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DD2016 – videoJune 12, 2016 – 4:31 pm
A video from my DD2016 talk has been uploaded and can be viewed here:
Random gamedev ramblings
A video from my DD2016 talk has been uploaded and can be viewed here:
A few days ago I came back from the Digital Dragons 2016 conference. I've been in talks with these guys in the past years, but timing was never quite right, this time I finally could make it. Luckily for me, it was the same year they invited John Romero, David Brevik and Chris Avellone. In December 1993 my classmate brought an old floppy disc to school. He claimed it contained the best game ever. Obviously, at that time, pretty much any new game was 'best ever', so we took it with grain of salt. I still copied it and tried it at home. It was unlike anything I've seen before, I just couldn't put it down. This was Wolfenstein 3D. This is one of my most vivid gaming memories, New Year's Eve of 1993, sneaking upstairs to keep playing, much to chagrin of my mom. I think I was "programming" a little bit at that point, but it was mostly limited to printing "Maciej rules" on the screen. If you had told me that one day I'd actually speak at the same conference as John Romero, I'd probably have fainted. Almost 25 years later and here we are :). DD2016 was fun, ppl compare it to 'early GDC' and while my first GDC was 2005 (already huge), I can see where they're coming from. It's still relatively "fresh", not too many sponsored sessions, you don't have to pay for every little thing, very strong indie vibe. I definitely hope it keeps growing (within reason).
It was nice to meet my heroes and my old friends, but I was primarily there to present. I think organizers plan to upload videos soon, but for the time being, you can find my slides here. The presentation title is: "Debugging Multiplayer Games. Lessons from Warframe". It's probably a little bit too packed for 45 minutes (I had to talk really fast) and I should have removed more slides than I did (some extra slides left), but oh well. If slides feel to cryptic, feel free to ping me.
You have probably heard about an AI algorithm defeating a human professional in a game of Go. The algorithm itself has been developed by Deep Mind, an English company that's now owned by Google. One of the founders is Demis Hassabis. If you were playing Bullfrog games in the late 90s, the name might ring a bell, he's one of the designers of Theme Park. Back in the day I remember reading a column in Edge magazine titled "The Elixir Diaries". It was the diary of Elixir Studios, a game company Hassabis started after leaving Bullfrog. The DeepMind news made me think of that and wanted to refresh my memory and go through the diaries again. It turned out to be a little bit more difficult than expected (I didn't really remember the exact name, so my Google search phrases weren't very precise), but I eventually found them here. Pretty cool read, especially if you're interested in the realities of making a game back in 90s/00s (the McD for breakfast story was painfully familiar…)
Recently, we've been collectively complaining on Twitter about going crazy in C++ (as we do every few weeks). This reminded me of my dark period around 2002 when I was *really* excited about templates and metaprogramming. I tried finding my old code, but turned out my previous website was completely gone. Fortunately (?), good folks from The Wayback Machine had some copies. I moved some of my articles to a new server. I don't think they're of much use nowadays, but thought they could be interesting if only as a historical curiosity. Without further ado:
I'm playing in a fantasy football league with some coworkers this year. I have always liked all kinds of sports, but it's a little bit challenging to follow NFL from Europe. There's not too many stations that actually show it (except for the Super Bowl) and even if they do, the time difference make it difficult to watch. I still followed major news and managed to catch a game every now and then, but I was very far from expert. Basically, only knew big names and the most popular teams. It did get a little bit better after I moved here, but I'm still very ignorant. My only chance not to embarrass myself completely was to follow the steps of Mark Watney and 'science the shit out of this'.
If you're not familiar with the concept of fantasy football, Wikipedia has a fairly detailed description , but a TLDR; version is this:
There's plenty of draft strategies, but I feel it's still the most "random" point of the season. You can only go by past data and projections, but it's hard to say how it'll translate to current seasons. I'm not going to talk about draft here. My system comes into play after few weeks after we've collected some samples from the new season. We want to see who to grab from the waiver wire and who to sit/play. Again, it's a matter of personal preferences, but I'm fairly risk averse, so I was mostly interested in finding most "consistently decent" players. For example, consider these 2 stat lines:
Player A gets more points on average (12.25 vs 11.375), but I'd take player B. He's way more reliable. I can plan my team better, I know (roughly) what to expect. Player A is the type that you sit, he gets 18, you let him play next week and he gets 5. My quest was to find players who're not necessarily the most flash and bring the most points, but to find who's the most consistent and should bring at least X pts every week. Before we start, a small disclaimer: my methodology here has almost nothing to do with actual science. Sample sizes are laughably small and fantasy points distribution definitely isn't guaranteed to be normal. I basically tweaked various factors until I got results that made sense.
My idea was simple: grab data from some site, calculate mean/variance/std deviation for every player, reject outliers, recalculate, compute the "floor" (mean – std dev * some_weight). Our "floor" is basically telling us the minimum number of points we can reasonably expect. As mentioned, I'm fairly conservative, so I actually had an option to only reject "positive outliers" (that is, outliers that are greater than mean + std dev, we still keep samples where player underperformed). In our example, it'd keep all the samples for players B, but reject 21 points for player A. After rejection, player A's average drops to 9.33 (new std dev is 5.86).
Spent some time trying to find the best source of stats and opted for FF Today. They update their stats quite often and format is fairly easy to parse. I couldn't find an aggregate version, so I simply visit category stats and then traverse all the top players pages. My go-to combo for simple web scraping is Python+Beautiful Soup. ~100 lines of code later I had the first version of my script ready. My first hit was Stefon Diggs, but you could argue he wasn't a real sleeper after Week 7 (script actually pointed him out after W6, but it was also due to super small sample size…). I got him from the waiver wire, but didn't trust him enough to let him play (not enough data) and that turned out to be a good decision (his last two games were not that great). Week 10 brought a more serious try — I had to find a new kicker (my main kicker Matt Bryant didn't play that week). Based on expert prediction I should have gone with Greg Zuerlein or Caleb Sturgis (these were the highest ranked kickers that were still available in my league). However, the script had the following to say:
1. Connor Barth 11.1004809472
2. Nick Folk 5.47483805032
3. Chandler Catanzaro 5.47186593476
4. Stephen Gostkowski 5.46112639465
5. Brandon McManus 5.24049168899
6. Dan Bailey 4.91128425904
7. Dustin Hopkins 4.61254139118
8. Steve Hauschka 4.60733909541
9. Blair Walsh 4.15430405875
10. Josh Lambo 4.0
12. Greg Zuerlein 3.82037546488
14. Caleb Sturgis 2.69765682193
Most of the highest ranked kickers were not available/injured, but Dustin Hopkins was still for grabs. As you can see, he's expected to bring more points than both Zuerlein and Sturgis. Experts ranked him around 20th place this week, so not much confidence. I'm not entirely sure why tbh, I think it's mostly no one really cares much about kickers. He's only missed one FG this season (~92%). He plays for a mediocre team, but that factor is actually 'encoded' in the score above, he was playing for the same team when earning fantasy points so far. I decided to go with Hopkins and it ended way better than I could expect — he got me 17 pts this week. Now, if I want to be fair, I have to admit this was completely unexpected, based on his history his expected max score was around 12, but I'll take it. It is a "positive outlier" I mentioned before, though so my algorithm will reject it when evaluating it in the future.
Hopefully it's obvious, but I'd like to stress that this is just pure data analysis. Algorithm cares only about fantasy points. It has no idea about matchups, injuries and team strategy. In theory, fantasy points encode all these and ideally we're looking for players "immune" to these factors, but some domain knowledge is recommended. For example, if you run the script with my default settings (stddevweight=1, rejectonlyposoutliers), top RBs look like:
python.exe nfl_crawler2.py –pos rb –rejectonlyposoutliers
1. Jamaal Charles — 10.66
2. Karlos Williams — 9.93
3. Mark Ingram — 9.01
4. LeSean McCoy — 8.83
5. Todd Gurley — 8.26
6. Devonta Freeman — 8.19
It can surprising to see Gurley and Freeman so low (and Miller is nowhere to be found), but it makes more sense if you remember Gurley had a very short outing in his first game (1.4pts) and Freeman's actually fairly volatile (still brilliant) and that affects his deviation (he also had a 4.7pts game). Miller is not even in the top 10 because he wasn't getting many touches with the old coach. If we run the same script with different options (reject all outliers, not only positives and only consider last 6 games, results are a little bit different):
python.exe nfl_crawler2.py –pos rb –lastn 6
1. Todd Gurley — 14.91
2. Devonta Freeman — 13.46
3. Chris Ivory — 11.79
4. Lamar Miller — 11.15
5. LeSean McCoy — 10.96
6. Adrian Peterson — 10.54
7. Karlos Williams — 9.93
Williams is probably the biggest surprise here, but he's been posting great numbers so far (if not injured). His worst game was 9.7pts and while his ceiling might be lower than other guys he's actually very consistent (dev of 4.5). His main problem is named McCoy (#5) who's Buffalo's RB1.
Without further ado, here's a list for wide receivers:
python.exe nfl_crawler2.py –pos wr –rejectonlyposoutliers
1. Eric Decker — 9.71
2. Brandon Marshall — 8.08
3. DeAndre Hopkins — 7.53
4. Allen Hurns — 7.06
5. Larry Fitzgerald — 6.96
6. Jarvis Landry — 6.58
7. Julio Jones — 6.43
8. Allen Robinson — 6.30
9. Julian Edelman — 6.04
10. Demaryius Thomas — 5.43
11. Odell Beckham Jr. — 5.41
12. Keenan Allen — 5.15
13. Stefon Diggs — 5.10
14. Calvin Johnson — 5.07
15. Amari Cooper — 4.80
16. Rishard Matthews — 4.72
17. Alshon Jeffery — 4.66
18. T.Y. Hilton — 4.35
19. A.J. Green — 4.20
20. Travis Benjamin — 4.10
21. Mike Evans — 3.76
22. Antonio Brown — 3.74
Again, it can be a little bit surprising (especially Brown at 22, but he really suffered while Big Ben was away), but that's an ultra conservative setting, it's easy to adjust the script to match different preferences (e.g. stddevweight=0 gives just the average, doesn't subtract deviation). It's probably best to run the script with different settings, decide what's important for us and cross reference the results.
Github project can be found here (requires Python 2.7 + Beautiful Soup).
I've been debugging a rare memory corruption bug recently and – as usual – it turned out to be an exercise in frustration. This time only part of that was because of the bug itself, the other was because methods I chose were not very helpful (in my defense, it's been a while, so I was a little bit rusty).
The bug itself was fairly boring – sometimes, when leaving a certain UI screen game would crash. It was usually one of few places – either our UI drawing/updating code or some memory manager function. All traces lead to memory corruption. Fortunately for me, it was quite consistent and the UI crash was almost always happening because the exact same element was getting corrupted. To be more precise, UI code keeps an array of pointers to elements to tick/draw. One of the pointers (usually index 2 or 3) was getting modified. The object itself was still there, it's just the pointer that was now pointing to some other address (not far from the object, too). I'll describe the process briefly, hopefully it'll save someone from going down the dead end route and wasting time.
I knew the array was OK shortly after initialization, so it was getting corrupted at some point before shutting down the movie. My first thought was to use VirtualAlloc+VirtualProtect to protect the region (we were not writing to the array again), but I dismissed it quickly. This would give us a completely different address range then when using our mem manager, so whoever was corrupting the memory would probably now just stomp over something else. I still tried that, but as expected – came short (it was not an easy repro, but I could usually get it within 5-10 minutes of constant open/close loop).
My next idea was to use debug registers. They are my go-to tool when trying to track small, localized corruptions like this. I quickly hacked something and to my surprise — the game eventually crashed, but my single-step exception has never been thrown! I started digging and to my dismay quickly confirmed that debug registers are pretty much useless in a multi-threaded environment. You could kinda expect that, seeing as we use thread context to control them, but making them work only from single thread seemed so bizarre I went with it anyway. It seems like I'm not that the only one that got that impression. Maybe they used to work differently in the past, but as of VS2012, if you enable them in thread A and thread B comes along writing to your protected address — it'll go through without a single peep. I tried a half-hearted approach of sprinkling the same code over our other threads, but I had a feeling it was some thread that was being spawned later/not by us that was triggering the crash. Further tests seemed to confirm that theory.
This basically means we're down to a good, old brute force method – debugger data breakpoints. They do use debug registers, but debugger will actually take a snapshot of all running threads and set debug registers for all of them (plus also any threads that are spawned afterwards). This is something you can maybe do yourself as well, but I was running it on a platform that didn't have toolhelp32 functionality exposed (..and that still doesn't solve a problem for threads that are forked later). Once again, this turned out to be a little bit more cumbersome than it should. Back in the old good days of VS2008 you could run macros from a breakpoint (ie. 'run when hit'). I actually had a bunch of macros for cases like this (enable/disable next bp etc). At some point Microsoft had decided to remove it and only left an option to print a message (shame). I guess you can still do it if you write your own add-in, but that seemed like an overkill. Added some code detecting my case, put an ordinary breakpoint and then kept enabling my data breakpoint by hand. 20 minutes of keyboard mashing later I finally found my culprit (as expected, it wasn't coming from a thread that's been spawned by us (callback was ours, though)).
The whole thing took me way longer than it should have and in the end it turned out to be something fairly straightforward (recent modification to an async handler that wasn't flushed before destroying a parent object, so it could have been released/reallocated in the meantime. We were only writing to one byte, but that was enough, obviously), but at least I learned a few things on the way (mostly not to rely on debug registers for stuff like that).
An entertaining head-scratcher from today. Application has suddenly started crashing at launch, seemingly inside steam_api.dll. It'd be easy to blame external code, but as mentioned – it's a new thing, so most likely related to our changes. To make things more interesting, it's only 32-bit build that crashes, 64-bit seems fine. High-level code looks like (simplified):
struct tester { virtual bool foo(); virtual void bar() { } virtual void lol() { if(!foo()) { printf("Failed\n"); return; } bar(); } };
Crash occurs when trying to call bar() [the original code was actually crashing 'inside' bar, which debugger claimed to be inside aforementioned DLL]:
00199FB3 8B 06 mov eax,dword ptr [esi] 00199FB5 8B 10 mov edx,dword ptr [eax] 00199FB7 FF D2 call edx 00199FB9 84 C0 test al,al 00199FBB 75 10 jne tester::lol+1Dh (199FCDh) [...] 00199FCD 8B 06 mov eax,dword ptr [esi] 00199FCF 8B 50 04 mov edx,dword ptr [eax+4] *** 00199FD2 8B CE mov ecx,esi 00199FD4 5E pop esi 00199FD5 FF E2 jmp edx
Crash line marked with stars – Access violation reading location 0x00000018, EAX=0x14 at this point. That'd suggest something's wrong with our vtable. How can this be, though, we have just called another virtual method (foo) and it's been fine! As you might have guessed, it's foo itself that's wreaking havoc. It's been modified recently and now contains the following code:
static BOOL MyCallback(LPVOID, PENUM_PAGE_FILE_INFORMATION, LPCTSTR); virtual bool foo() { EnumPageFiles(MyCallback, NULL); return true; }
EnumPageFiles is a system function, so we'll ignore it for now. Perhaps there's something in the MyCallback that causes problems. Let's remove everything and try running with empty callback function. Still crashes. Remove call to EnumPageFiles altogether – works fine…
Did some more poking and discovered that the vtable itself is actually OK and never modified by our code (data breakpoint at EAX+4 before calling foo). It's the value of ESI that changes! See the 2 places where we move [ESI] to EAX? ESI differs between these 2 points. It's like foo doesn't restore it properly! Let's keep digging… Deep inside the EnumPageFiles there is a push/pop esi pair, so it should be fine, right? The problem is, ESP doesn't match. When trying to pop, it's 12 bytes less than it should be, so we're popping a completely unrelated value (in the original code it happened to point to the middle of some function in Steam DLL). You can probably guess where this is going. Stack mismatches like that are usually as sign of calling convention issues. Quick inspection of the code that executes our callback confirms it's the problem:
75C08D83 50 push eax 75C08D84 8D 45 E0 lea eax,[ebp-20h] 75C08D87 50 push eax 75C08D88 FF 75 0C push dword ptr [ebp+0Ch] 75C08D8B FF 55 08 call dword ptr [ebp+8] ... // Callback body (return true): 003C9F90 B8 01 00 00 00 mov eax,1 003C9F95 C3 ret
As you can see, caller pushes 3 arguments to the stack (12 bytes!), but there's no code that pops them (we expect callee to clean-up). Consulting the documentation confirms our findings, callback function is supposed to follow the stdcall convention. We're not done yet, adding
static BOOL CALLBACK MyCallback(LPVOID, PENUM_PAGE_FILE_INFORMATION, LPCTSTR)
doesn't seem to cut it, compiler complains:
EnumPageFilesW' : cannot convert parameter 1 from 'BOOL (__stdcall *)(LPVOID,PENUM_PAGE_FILE_INFORMATION,LPCTSTR)' to 'PENUM_PAGE_FILE_CALLBACKW'
As it turns out, the PENUM_PAGE_FILE_CALLBACKW type doesn't actually include __stdcall… Let's try to force it nonetheless:
PENUM_PAGE_FILE_CALLBACKW cb = (PENUM_PAGE_FILE_CALLBACKW)MyCallback; EnumPageFiles(cb, NULL); ... // Callback code: 00D99F90 B8 01 00 00 00 mov eax,1 00D99F95 C2 0C 00 ret 0Ch
As you can see, MyCallback now cleans everything up properly and – as expected – code runs without crashing. Not sure where does the discrepancy between system headers and documentation come from.
Now, you might wonder – why did the x64 build worked fine?
Well, we've been lucky. Callback function has only 3 arguments and x64 calling convention will pass them all in registers (r8, rdx, rcx) so that stack stays untouched. If it had just 1 more — we'd run into trouble. (Correction: as pointed by Ofek, this would still be fine, there's 1 calling convention on x64 anyway). Interestingly enough, debug version worked "fine" as well (or at least was hiding the problem more effectively, as it was using more registers so one of the top functions was saving/restoring ESI too).
I've been doing some micro-optimizations recently. One of the things I've been trying is eliminating virtual method calls in 'leaf' types. Consider the following snippet (simplified):
struct Bar { virtual bool Func1() { return false; } }; struct Foo : public Bar { virtual bool Func1() { return true; } virtual void Func2() { if (Func1()) printf("Hello"); } }; void DoSomething(Foo& f) { f.Func2(); }
Calling DoSomething will result in 2 virtual method calls – and rightly so, there's no way to tell if Func1/Func2 were not modified in some class that's derived from Foo.
It can be a little bit wasteful, especially if we – a programmer – know for a fact that nothing derives from Foo. Func2 calling Func1 will always, in every single case call just that – Func1. I used a not-so-sophisticated method to work around that:
if(this->Foo::Func1()) printf("Hello");
This works, but can be dangerous. Imagine one day some other programmer decides to derive from Foo and provide new implementation of Func1. He's in for a nasty surprise (and I'm in for some public shaming). Traditionally, C++ offers a few ways of preventing inheritance, but they're all fairly ugly (private constructors etc). Fortunately, C++ 11 introduced a new keyword – final – which does exactly what we want.
It also got me thinking – does it mean that compiler has additional knowledge it was lacking before. Couldn't it use it to employ the same optimizations we've just tried to force? Are my changes even necessary? Sadly, as it often happens, the answer is — it depends.
AFAICT, Visual Studio doesn't care much. Yes, it'll prevent inheritance, but doesn't seem like it affects code generation at all. Here's assembly for our code fragment (with final keyword added):
// struct Foo final : public Bar // DoSomething 000000013FE15460 48 8B 01 mov rax,qword ptr [rcx] 000000013FE15463 48 FF 60 08 jmp qword ptr [rax+8] *** virtual void Func2() 00000001407426D0 48 83 EC 28 sub rsp,28h if(Func1()) 00000001407426D4 48 8B 01 mov rax,qword ptr [rcx] 00000001407426D7 FF 10 call qword ptr [rax] *** 00000001407426D9 84 C0 test al,al 00000001407426DB 74 10 je Foo::Func2+1Dh (01407426EDh) printf("Hello"); 00000001407426DD 48 8D 0D 04 3B EF 00 lea rcx,[string "Hello" (01416361E8h)] 00000001407426E4 48 83 C4 28 add rsp,28h 00000001407426E8 E9 B3 FB 85 00 jmp printf (0140FA22A0h) 00000001407426ED 48 83 C4 28 add rsp,28h 00000001407426F1 C3 ret
As you can see – still 2 vtable accesses (lines marked with stars). Let's see if GCC/Clang does any better (Compiler Explorer to the rescue). Just look at this beauty (that's a body of DoSomething):
movl $.L.str, %edi xorl %eax, %eax jmp printf # TAILCALL .L.str: .asciz "Hello"
Not only did the compiler de-virtualize both calls, it also inlined them and sprinkled with a tailcall. Impressive.
Sadly, as mentioned – we can't rely on these optimizations being employed consistently, but at the very least – final will prevent another programmer from making a mistake he'd later regret.
I've been planning to write a post about debugging multiplayer games (post-mortem) for a while now, but it keeps getting bigger and bigger, so instead of waiting until I can get enough time to finish it, I thought it'd be easier to share some quick'n'easy tricks first.
I'd like to show a simple way of "instrumenting" a crash dump so that it gives us more info about the crime scene. Let's assume we've received a crash from the following piece of code (it's actually very close to a real-life scenario I encountered). Short side note first: I'm talking about crash dumps coming from public here and usually extremely rare cases, too. If this was something you could repro in-house, we wouldn't have this conversation.
struct SType { SType() : parentType(NULL) {} SType* parentType; }; struct SObj { SObj(SType* t) : type(t) {} SType* type; bool IsA(const SType* t) const; }; bool SObj::IsA(const SType* t) const { const SType* iter = type; while(iter) { if(iter == t) { return true; } // Crashes in the line below. Access Violation when reading 'iter->parentType' iter = iter->parentType; } return(false); }
Our crash dumps points to the line 23, obviously something's wrong with the 'iter' variable. Corresponding assembly code (just the while loop):
003A2172 3B 44 24 04 cmp eax,dword ptr [esp+4] 003A2176 74 0B je SObj::IsA+15h (3A2183h) 003A2178 8B 00 mov eax,dword ptr [eax] 003A217A 85 C0 test eax,eax 003A217C 75 F4 jne SObj::IsA+4 (3A2172h)
Crash happens in the mov eax, dword ptr [eax] line. Sadly, given only this dump, it's hard to form any solid theories. We don't even know what iteration is that, so can't tell if it's the object itself that's corrupted (so accessing obj->type) or the type chain. We suspect something wrote over either object instance or type definition, but most of the time, we can't see what's in memory corresponding to either of these objects (I've tried inspecting memory associated with ECX, but nothing interesting there, not included in the dump). Yes, you can try grabbing full memory dumps, but they're usually too huge to be practical (good luck having people send you gigs of data). Normal crash dumps only contain very limited information, registers, stack, call stacks and so on. Wait a moment, did I say "stack"? What if we instrument our function, so that it tries to store crucial information where we can find it? For the sake of this example let's assume our object is corrupted by the following code:
SType st; SObj obj(&st); static void Corrupt() { const char* str = "Hello world!"; memcpy(&obj, str, 10); }
Here's a temporarily modified version of the IsA method:
bool SObj::IsA(const SType* t) const { volatile unsigned int stackInfo[4]; const volatile unsigned int* fmem = reinterpret_cast<const volatile unsigned int*>(this); for(size_t i = 0; i < 4; ++i) { stackInfo[i] = fmem[i]; } // Everything else stays the same
Remember, this is temporary, diagnostic code, it doesn't need to be pretty. The idea is to store data associated with "this" pointer on the stack, so that we can take a look later. Yes, it comes with a slight performance hit, but it's less severe than most alternatives (e.g. logging). We deploy a new build and wait for fresh dumps. Finally, we can answer some of our questions:
(Immediate Window) > stackInfo 0x012afcc4 [0x0]: 0x6c6c6548 [0x1]: 0x6f77206f [0x2]: 0x00ee6c72 [0x3]: 0x00000000 > eax 0x6c6c6548
At this point we know it's actually memory associated with the object itself that's written over, we crashed during the first iteration (EAX == first 4 bytes of the object memory == obj.type). Let's see if we can get more info about the data that's in memory right now:
> (const char*)stackInfo 0x012afcc4 "Hello worl?�"
A-ha! We're being written over by a familiar looking string. Obviously, it's a contrived example, in real-life it rarely is that easy, but in my experience looking at "corrupted" memory can often give you valuable hints (is it a string, maybe some common floating-point bit pattern like 0x3f800000 etc).
Tricks like this are most valuable in a scenario, where we have a luxury of regular, frequent deployments (so that we can push instrumented build & the fix) and, sadly, are less helpful for more traditional, boxed products. Even then, it's good to remember that you can stuff some of your crucial info (global state) in the stack space of your main loop as well. This can be especially helpful on consoles, where dumps are often all you get (no log files). In most cases you can get 90% of what you need from a raw dump, but having a way to get the extra few % when needed can be priceless. It did save my sanity many times in the past.
A nice thing about Twitter is that single tweet can bring so many memories. It all started when Fiora posted this. It reminded me of an old bug I encountered few years ago when working on a multi-platform (PC/X360/PS3) title. One day we started getting strange bug reports. Apparently, if you jumped down the roof at a very specific position, player would start to slide across the map. To make things more interesting, this was only happening on consoles, PC version was fine. After few minutes of investigation I narrowed it down to a fragment of code that looked roughly like this (don't have access to the original code anymore, trying to recreate it from memory, that was player movement module):
float x = y / sfactor; float vx = fmax(0.0001f, fmin(x, MAX_RESPONSE));
Looks innocent, but it'd break completely for y==0.0. The whole block has been added recently and the 'sfactor' property was exposed to the editor and controlled by designers. As it turned out, it's been set to 0.0 as well. If y == 0.0 and sfactor == 0.0, then x is NaN. fmax and fmin are, as you probably have guessed, floating-point versions of the min/max functions. For PC we were using a naive/reference implementation, ie:
float fmax(float a, b) { return a > b ? a : b; } float fmin(float a, b) { return a < b ? a : b; }
Let's see what happens in our case. fmin(NaN, MAX_RESPONSE) returns MAX_RESPONSE, as any comparison against NaN returns false. It'll be fed to fmax and since it's greater than 0.0001f, vx = MAX_RESPONSE.
Things are a little bit more interesting on PPC, though. If you coded for PowerPC, you're aware of two facts:
The usual way of implementing fmin & fmax using fsel would be:
float fmax(float a, float b) { return fsel(a - b, a, b); } float fmin(float a, float b) { return fsel(a - b, b, a); }
You can probably spot a problem already. If not, refer to this bit of fsel description (+my notes): "If the value in FRA [a – b in our case] is less than zero or is a NaN, floating point register FRT is set to the contents of floating-point register FRB [3rd argument]". Think about what happens as our NaN flows through the fmin & fmax functions in this case:
In this case, NaN would just go through both functions and we ended up with an invalid vx. In this particular case it was an unfortunate coincidence that the original author used fmin(x, MAX_RESPONSE) — fmin(MAX_RESPONSE, x) would have been "fine", but at least it helped us find the actual problem which was invalid value of the 'sfactor' property (..and incompatibilities between fmin/fmax on different platforms).


text: We really enjoyed our stay, and our talks over breakfast with Monica.The rooms are nice, very large for Europe, we had two balconies that let the breeze and the beautiful countryside in. The place is pretty, and the art and sculpture keep it interesting. It's very clean. The pool was beautiful, but since it was mid-September, a little too chilly... More

subset: commoncrawl


text:
Rabbit Action Alerts wants to
Ask Rock to the Rescue to honor their mission statement
No Animal Deserves to be torn apart alive in captivity by another animal
No Animal Deserves to be torn apart alive in captivity by another animal
Because some of the most iconic species of animals are in danger of going extinct if we don't act immediately.
Escribo estas líneas para hacerles llegar la total oposición del mundo "civilizado" a tan brutal medida llevada por
Please help us with our mission to STOP the killing of Pit Bulls and their hapless lookalikes in New Zealand.
We are animal rights activist against vivisection ... this ours protest is one of the protests and is based on the
Petition Letter I just signed the following petition addressed to: Cristina Kirschner. ---------------- Prohibir la


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Here's a World of Warcraft Horde wedding ceremony, in the heart of the enemy faction's capital city, in Stormwind Cathedral.
Fan Restores World of Warcraft's Oldest Zones
Quel'Thalas was added in 2007, but never got the facelift that other, older zones received in 2010. And while there are no plans to revamp anything in these parts of Azeroth, YouTuber Hayven played with the idea for the duration of a short clip.
World of Warcraft's Duskwood is Chilling in Unreal Engine 4
Duskwood, a World of Warcraft zone almost all Alliance players visit while leveling, got the Unreal Engine treatment by Daniel L, who's slowly recreating all the classic Eastern Kingdoms zones.
The biggest change in World of Warcraft: Legion? No, it's not the redesigned PvP system. There'll be a new gold cap, increased from 999,999 gold to 9,999,999.
Things To Do In World of Warcraft Before Legion Comes Out
World of Warcraft: Legion comes out on August 30, which means we won't see a new update in the coming months. But that doesn't mean there's nothing to do in WoW. It's the perfect time to prepare for all the gameplay changes.
World of Warcraft Is Getting New Challenge Modes, Similar To Diablo's
A new, revamped Challenge Mode is coming to dungeons in World of Warcraft: Legion, with multiple difficulty levels and some really nasty affixes. It's something similar to Diablo III's Greater Rifts.
When Players Nail World of Warcraft's PvP
World of Warcraft's PvP can be nothing else but dozens of players mindlessly massing each other. Especially in Ashran lately. But sometimes, as YouTuber Bajheera's clip shows, awesome duels can happen where both sides try to do their best.
Borderlands Online Lands In China in 2015
Earlier this morning, China time, the fine folks at Shanda Games dropped a bombshell. They're bringing Borderlands to China. That's right, they've announced Borderlands Online, a made for China action RPG/online shooter.
The Ten Most Useless NPCs in World of Warcraft
Not everyone sells epic mounts and top-tier PvP gear in Azeroth. Some NPCs just stand in the middle of busy cities, and besides getting one or two pointless items from them, their presence is absolutely pointless. Wowcrendor collected ten of the most useless ones in his latest video.
If Real Life Was An MMO...
Ever heard of "Outside," a free-to-play MMORPG developed by Deity Games? No? Huh, that's weird. It's the most popular game out there, with over 7 billion active players! Hey, wait a minute...
Thirteen Types of Ridiculous Female Armor In MMORPGs
It's no secret that female armor in games can sometimes be ridiculous and unrealistic. The Repair Her Armor Tumblr recently put together a list of thirteen types of ridiculous female armor you come to expect in MMORPGs—the commentary being less serious than it is for fun.
What Video Games Teach Us About Marriage
Roughly two million couples in the United States get married each year, give or take a hundred thousand. Every pair does it for their own reasons, from the idea of a fairy tale happily-ever-after to the decidedly more prosaic need to share health insurance costs.
Karma Wins the Battle Between Guild Wars 2 and World of Warcraft, or Does It?
In the Game of Thrones MMORPG, You Win or You Grind
Popular fantasy franchise Game of Thrones will become a browser-based massively multiplayer online game this fall, publisher Bigpoint said today.


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text: San Bernardino County, Ca, January 25, 2012, 12:00pm - Earlier this month the San Bernardino County Supervisors voted to decrease their benefits in order to align their benefits with other sister counties, and to save tax payers money. Supervisor Neil Derry suggested that benefits be cut for the other four elected positions in the county. "The … [Read more...]


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22 Reviews
Definitely a winner ~ should take top prize for best of the best!
If you are looking for a real nice tasting light curry sauce, this is the recipe to try. I used some cut up button mushrooms which I had tossed on top of the dish prior to baking... and they added to the dish. I would doubled the amount of mild curry powder for a slightly richer taste next time. I also added some chopped up cilentro with the tomatoes when served... along with plain white rice. This is a wonderful presentation dish with the yellow curry sauce and red chopped up tomatoes. Try it!
I love this recipe, and everyone else eating did too! The instructions were clear and the result was mmmm mmmm good! This was so good. I hope it wins the contest!
This is FABULOUS! I definitely know what I'll serve if I have a dinner party any time in the near future. This is so lovely! Im a curry finatic, so I used just a tad more curry powder, hehe and just a touch more cayenne :-) I made only 3 servings, because I have a picky family! haha. This is beautiful and delcious. Definitely a recipe for my perm. file :-) thanks!! GOOD LUCK!
Well I think I found the winner!! This was just outstanding, of all the recipes I tried, this is the one I'll be doing for company. From begining to end the taste was marvelous. The stuffing has just enough heat to make it interesting, the chicken was cooked perfectly, still moist and the sauce brought the whole thing together. And what a perfect ending, scrumptious Swiss cheese. The topping of tomatoes and parsley was a great choice to finish it off, the coolness against the heat of the stuffing and sauce. The butter and the wine made a special addition to the taste, the curry was just right, not overpowering. I used immitation crab and 2% milk, I can imagine it would have been even richer with cream, (although it didn't call for cream) and real crab, maybe next time. I have only one complaint (very small), the recipe said 30 minutes prep time, that was way off, it took me an hour to get it to the oven, maybe I'm slow, in any case next time I'll make it in the morning or even the night before and by the way it was worth every extra minute it took to prepare. The cook time was right on perfect. The instructions were very clear and easy to follow. Thank-you for a perfectly wonderful dinner, this one will go in my hard copy.
This is completely delicious. There were just the two of us here for dinner tonight, so I scaled it for two. Worked very well, but I found I needed to cook it for maybe 5 minutes less as a result. DH says that it's restaurant quality. Good luck in the contest!
This was an easy recipe to follow- just make sure you have all the ingredients before you begin! It helps to slice the chicken breasts to make them thinner, as well as pounding them. Bigger breasts would work better for the rolling step.(that sounds weird!) I had extra "filling" which I plan on freezing and saving to use as a filling for fish. I also used toothpicks to help hold them together. My husband and I liked this dish, but our 14 yr. old son was freaked out by the curry!
Just a bit to long to prepare for me but the taste is great. I love curry so I added and bit more.Did not have white wine so added chicken broth. That may have changed the flavor a little, but still good.
This is a recipe that you could serve at the most elegant dinner party or just for someone special at home. The presentation is beautiful - the taste equals the presentation. The chicken was moist, beautifully browned on top & the finishing touch with red tomato and parsley. just set it off! The curry sauce was not a strong flavor but rather melded into the other herbs and enhaced the flavor. I cut the recipe in half - no problem. The instructions were very clear - easy step by step instruction turned this gourmet recipe into an easy do at home feast.. An added bonus was the ability to cook this recipe in a toaster oven ( it has been very hot here). I loosely covered the chicken with foil just floating loosely on top for the first half hour - and for the last 15-20 minutes uncovered it to get the chicken and the cheese golden. The only difference I made to the recipe was that I used Madiera wine not white. This recipe will be a regular for special guests - Thank-you super creative chef
This was very good. The crabmeat stuffing was great! The curry sauce needed a little something, but I can't put my finger on it..pretty good none the less. I made one breast without the cheese topping and one with...good both ways but I think I preferred without, as the curry sauce is pretty thick and didnt really need the extra melted cheese. Fairly simple to make and not time consuming. However, I did cook mine only about 40 minutes and I they were slightly overdone for my liking, so you may want to watch the cook time. I will try this dish again and will definetly use the stuffing again.


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- Product Dimensions: 4 x 9 x 21.7 cm
- Shipping Weight: 91 g
- Item model number: HX7002/60
- Date first available at Amazon.ca: Jan. 1 2011
- Average Customer Review: 59 customer reviews
- Amazon Bestsellers Rank: #13,156 in Health & Personal Care (See Top 100 in Health & Personal Care)
Philips Sonicare Elite (e series) STANDARD Toothbrush Heads (Twin-pack)
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I was so happy I could get it on Amazon at the same price as a store. It arrived in a couple of days, and it was the right one.
Easy to replace. Good toothbrush.
Therefore, I will collect my Mom's two brushes, which are terribly noisy and do not vibrate along with my two brushes and return to Amazon.ca for a full refund...this is in the works.
UPDATE: Other four heads are just as bad as my first. The magnets are low quality and will rust and fall off the mounting resulting in the very loud vibration. I would avoid this product.
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Works perfect with my new Phillips Sonicare 5600. I like the stiff bristles, good cleaning and utrasonic power.Published 8 months ago by David MacLaurin
These get moldy inside. Don't buy these... go buy a new toothbrush!Published 10 months ago by Chicka
First one was noisy and wore out quickly. The 2nd one is great. These are hard to find so I was happy to see it listedPublished 11 months ago by jan
best toothbrush ever so of course I am going to buy the head replacements and Amazon has THE best pricePublished 12 months ago by Quin
cheap made. broke easily. the print on it tells you right away this is not authentic. low price and get what you paid for.Published 18 months ago by H.Qin


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An Introduction to Planetary Atmospheresby Agustin Sanchez-Lavega
Pub. Date: 09/08/2010
Publisher: Taylor & Francis
Planetary atmospheres is a relatively new, interdisciplinary subject that incorporates various areas of the physical and chemical sciences, including geophysics, geophysical fluid dynamics, atmospheric science, astronomy, and astrophysics. Providing a much-needed resource for this cross-disciplinary field, An Introduction to Planetary Atmospheres presents/b>
Planetary atmospheres is a relatively new, interdisciplinary subject that incorporates various areas of the physical and chemical sciences, including geophysics, geophysical fluid dynamics, atmospheric science, astronomy, and astrophysics. Providing a much-needed resource for this cross-disciplinary field, An Introduction to Planetary Atmospheres presents current knowledge on atmospheres and the fundamental mechanisms operating on them. The author treats the topics in a comparative manner among the different solar system bodieswhat is known as comparative planetology.
Based on an established course, this comprehensive text covers a panorama of solar system bodies and their relevant general properties. It explores the origin and evolution of atmospheres, along with their chemical composition and thermal structure. It also describes cloud formation and properties, mechanisms in thin and upper atmospheres, and meteorology and dynamics. Each chapter focuses on these atmospheric topics in the way classically done for the Earth's atmosphere and summarizes the most important aspects in the field.
The study of planetary atmospheres is fundamental to understanding the origin of the solar system, the formation mechanisms of planets and satellites, and the day-to-day behavior and evolution of Earth's atmosphere. With many interesting real-world examples, this book offers a unified vision of the chemical and physical processes occurring in planetary atmospheres. Ancillaries are available at www.ajax.ehu.es/planetary_atmospheres/
Product Details
- 9781420067323
- Publisher:
- Taylor & Francis
- Publication date:
- 09/08/2010
- Edition description:
- New Edition
- Pages:
- 629
- Product dimensions:
- 6.30(w) x 9.30(h) x 1.30(d)
Table of Contents
Introduction to Planets and Planetary Systems
Planetary Systems
Orbital Motion
Gravitational Field and the Shape of Planets and Major Satellites
Primary Energy Sources on Planets
Internal Structure of Planets and Satellites
The Magnetic Field
Origin and Evolution of Planetary Atmospheres
Origin of the Solar System
Thermal Evolution of the Planets
Origin of Planetary Atmospheres
Atmospheric Evolution Processes
Variability of the Earth's Atmosphere
Observed Atmospheric Changes in Other Planets
Spectroscopy and Composition
Atmospheric Composition: Fundamentals
Planetary Spectrum: The Continuum
Atomic Spectrum
Molecular Spectrum
Atmospheric Composition Definitions
Vertical Temperature Structure
Vertical Structure of the Atmospheres
Radiative Transfer
Radiative Equilibrium in Atmospheres
Thermal Tides: Temperature Oscillations
Adiabatic Lapse Rate
Clouds in Planets
Chemistry and Surface Processes
Clouds Properties
Radiative Transfer in Clouds
Observed Cloud Properties: Overview
Upper and Tenuous Atmospheres
Upper Atmospheres: Introduction
Photoionization: Ionospheres
Upper Atmospheres Heating Balance
Diffusion Processes
Airglow and Aurora
Gas Production Mechanisms in Tenuous Atmospheres
Overview of the Tenuous Atmospheres
Global Atmospheric Motions
Equations of Atmospheric Motions
Momentum Equation: Balances
The Planetary Boundary Layer and Turbulent Motions
Observed Large-Scale Motions in the Planets
The General Circulation of Planetary Atmospheres
Atmospheric Dynamics-I: Waves
Wave Characteristics
Acoustic Waves
Gravity Waves
Rossby Waves
Planetary-Scale Equatorial Waves
Thermal Tides: Dynamics
QBO-QQO and SAO Oscillations
Atmospheric Dynamics-II: Instability
Scales of Motion and Dimensionless Numbers
Vertical Instability: Convective Motions
Hydrodynamical Instability: Vortices
Types of Hydrodynamical Instabilities
Vortices in the Giant Planets
Other Dynamical Phenomena
Polar Dynamics
Atmospheric Effects of the Impact of Comet Shoemaker-Levy 9 with Jupiter
The July 19th 2009 Impact
Appendix: Methods to Study Planetary Atmospheres
Problems appear at the end of each chapter.
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2005 will get underway with something we saw a lot of in 2004, media attention for Google.
At the moment, the company is scheduled to profiled in a 60 Minutes (a top-rated news program in America) segment this Sunday.
A "text version" with highlights from the 60 Minutes piece was posted this afternoon on the CBS News web site. However, I just noticed that the text of the article is no longer available online. Perhaps it was first posted by mistake.
Here are a few of my notes from the now unavailable article.
Searchblog's John Battelle offers comments throughout the article.
+ How after the IPO Sergey purchased a new car and t-shirt.
+ That Brin and Page still share one "tiny" office.
+ How Sergey wants to finish his Ph.D.
+ What's Eric Schmidt's daily worry? Managing a company that's growing as fast as Google. Human resources issues at Google were recently blogged about in this post.
+ Schmidt is also quoted saying that the search business isn't a zero-sum game.
+ The company has never run a television commercial. Btw, Danny mentioned about a week ago that Cindy McCaffrey, one of the key people in Google's marketing/branding success, has decided to leave the company.
+ The good food at the Googleplex. Note: Google is looking for chefs!
+ Brin and Page?s breakthrough was a series of algorithms — software code — that created a ranking system by relevance for the Internet.
Yes, the Google Guys deserve plenty of credit but so do Jon Kleinberg, Eugene Garfield, and others.
+ A mention of Google's "don't do evil" philosophy.
+ Google has teams working on all sorts of change-the-world ideas.
"Change-the-world ideas" include machine translation and video search. Yes, of course, many other companies have also been working on these types of technolgies for many years. It will be interesting to see if they mention this fact during the broadcast.
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Last week ClickZ Intelligence held its webinar on The What, Why and How of Digital Transformation in association with Marketo.
Google launches imported call conversions
If the internet killed the phone call, the smartphone has revived it.
Will Pokémon GO become a marketing platform for local businesses?
Nintendo's Pokémon Go, a free augmented reality (AR) mobile game, is on fire.
Five most interesting search marketing news stories of the week
Welcome to our weekly round-up of all the latest news and research from around the world of search marketing and beyond.


text:
Election 2008
Traveling In Ohio, Va., Obama Pans Bush's Iraq Plan
President Bush's announcement Tuesday that he would bring home 8,000 troops from Iraq early next year did not win over Barack Obama. The Democratic presidential nominee said the move just "kicks the can down the road" to the next president.
Obama was in Dayton, Ohio, pushing his education reform plan Wednesday when the president announced the troop redeployment. Obama said the plan continues to give Iraq's leaders a "blank check" instead of pressing them to take responsibility.
"What has been clear throughout this process is that until we have a political reconciliation and stabilization, that we are going to continue to have problems in Iraq," he said. "And the fact that this deployment — redeployment — is small and isn't taking place for five months, the bulk of it, I think indicates the degree to which the central problem still has not been solved."
Obama spent the rest of his day in rural southwest Virginia, courting mostly white working-class voters in a congressional district that has an interesting presidential voting record — voting twice for Bill Clinton and then twice for George W. Bush. Trying to bring these voters back into the Democratic fold, Obama left the stage and hit the streets of historic Abingdon to shake hands and hobnob in an old-fashioned soda shop.
Later, in a steamy high school gymnasium in Lebanon, Va., Obama reaffirmed his belief in the Second Amendment right to own guns.
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- I'm done, close this
Enter Our Ultimate Summer Tech Giveaway!
That's right - we are giving away a Summer Tech Package that includes a high-tech Fuego Element grill, Monster Superstar Backfloat waterproof speaker, and a mobile charging bank from iFrogz! Head on over to our giveaway page in order to enter. Good luck!
Thursday June 18, 2009 6:31 pm
iPhone 3GS AT&T in-store launch details
Posted by Andru Edwards - Categories: Apple, Cell Phones, Handhelds, Portable Audio / Video, Videos
If you are looking to pick up an iPhone 3GS from an AT&T Store tomorrow morning, you'll want to check out the video above to details on how everything is going to flow tomorrow morning. Basically, stores open at 7:00 AM, and you'll be able to enter first if you have a pre-ordered phone waiting for you. As soon as the pre-order line is done, you can enter to purchase an iPhone 3GS if you did not pre-order. That second line is good for both current and new AT&T customers, but if you are new, you should head to the AT&T iPhone page first so you can get through the process a bit quicker, since you'll be pre-qualified.
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Over the past decade, there have been significant expansions in policies that support low-income working families, such as refundable tax credits, health insurance, child support enforcement, child care subsidies, and nutritional supports. These programs help hard working families who struggle to meet basic needs due to low wages, irregular hours and lack of benefits. However, this safety net is incomplete. CLASP advocates for improvements in individual programs and in the service delivery system to help ensure low-income families have the support they need to stay employed and provide for their families.
Jul 22, 2016 | PERMALINK »
SNAP Proposals to Ban "Junk Food" Ignore Realities of Food Insecurity
In June, Maine Governor Paul LePage made headlines by threatening to end his state's participation in the Supplemental Nutrition Assistance Program (SNAP, formerly known as food stamps). LePage said he'd withdraw from the program unless Maine was permitted to ban SNAP recipients from using their benefits for "junk" food. According to participation data released by the Food and Nutrition Service (FNS), nearly 190,000 Maine residents currently receive SNAP. Governor LePage's irresponsible threat to suspend the program would severely worsen food insecurity for these families and individuals.
Many low-income families struggle to afford healthy food, but denying them SNAP benefits would only exacerbate this problem. Healthy food is more costly than low-nutrition options, leaving low-income families struggling to afford quality meals. The average SNAP benefit for a household is just $254, an amount that many of us would find challenging to stretch over a month. Cutting off benefits would turn a significant problem into a major crisis.
In 2013, the Food Research and Action Center (FRAC) released a report on strengthening SNAP's role in improving nutrition and food security. More recently, the Urban Institute addressed common misconceptions about the food choices of SNAP beneficiaries, while the Center on Budget and Policy Priorities (CBPP) explained how increasing SNAP benefits can improve the diets of low-income households.
There are many evidence-based strategies to improve nutrition among low-income and SNAP households:
- Increasing SNAP participation decreases the number of food-insecure households, allowing families and individuals to better afford healthy meals.
- Increasing monthly SNAP allotments provides households the purchasing power to make healthy food choices. A recent study found that an additional $30 per month can significantly improve consumption of vegetables and other healthy foods.
- Promoting fruit and vegetable purchases with incentives and money-back offers increases consumption, as evidenced by local programs that allow SNAP households to get more for their SNAP dollars at grocery stores and to use their benefits at farmer's markets.
- Enhancing nutrition education and healthy food practices in local communities benefits SNAP recipients, low-income households, and the community at large. As FRAC highlights, a California study found that local education improved attitudes, knowledge, and behavior, resulting in increased fruit and vegetable consumption.
Proposals like Maine's are grounded in false stereotypes that SNAP recipients prefer to purchase junk food over healthier options. However, a study completed by the USDA indicates that—while SNAP recipients are more likely to be obese than other low-income households as well as higher-income households—SNAP recipients are less likely to consume sweets, desserts, and salty snacks than higher-income individuals. Further, their diets overall are only slightly less healthy than that of all Americans, based on the Office of Disease Prevention and Health Promotion dietary guidelines.
LePage's proposal is only the latest attempt to restrict how SNAP benefits can be used. While the governor has proposed to eliminate "junk food" (mentioning candy and soda specifically), proposals in New York and Missouri have tried to limit access to steak, seafood, and other foods categorized as "luxury."
If we are truly concerned about the health and wellness of SNAP recipients and low-income families, we should consider the evidence rather than stigmatizing them. We know what works. There are practical solutions that will allow SNAP recipients and low-income households to make healthy food choices for themselves and their families.
Work Support Strategies: Streamlining Access, Strengthening FamiliesThe Work Support Strategies initiative provides a select group of states the opportunity to design, test, and implement more effective, streamlined, and integrated approaches to delivering key supports for low-income working families. READ MORE »
Advancing Strategies to Align Programs
The Advancing Strategies to Align Programs (ASAP) initiative helps state advocates promote increased enrollment in work support programs, particularly Medicaid and SNAP, through program alignment and information sharing. It draws on the lessons of the Work Support Strategies initiative.READ MORE »
- Cemeré James | Apr 04, 2016 Work Support Strategies Initiative: 12 Lessons on Program Integration and Innovation
- Amy Ellen Duke-Benfield | Dec 15, 2015 Bolstering Non-Traditional Student Success: A Comprehensive Student Aid System Using Financial Aid, Public Benefits, and Refundable Tax Credits
- Sep 10, 2015 Work Support Strategies Forum: Next Steps in Health and Human Services Integration after King v. Burwell
- Elizabeth Lower-Basch | Jul 17, 2015 Comments on Discussion Draft of TANF Reauthorization Bill
- Olivia Golden | Jun 25, 2015 Testimony by Olivia Golden on Work Incentives and the Safety Net
- Elizabeth Lower-Basch | Jul 27, 2016 Modernizing Benefit Systems: Opportunities and Challenges
- Elizabeth Lower-Basch | Jul 27, 2016 Q and A: Pay for Success
- Nune Phillips | Jul 26, 2016 CLASP Comments on Proposal on Request for Information on SNAP Data Exchange Standardization
- Olivia Golden | May 24, 2016 Moving America's Families Forward: Setting Priorities for Reducing Poverty and Expanding Opportunity
- Elizabeth Lower-Basch and Anna Cielinski | May 19, 2016 CLASP Comments on SNAP Employment and Training Program Monitoring, Oversight and Reporting Measures


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WOBURN, Mass. -– For the first time in about three weeks, Rufus Rushins was delivering, not absorbing, the pain.
Back for the first time since dislocating his elbow three weeks ago in a Division 5 North first round matchup with rival St. Mary's of Lynn, the 6-foot-1, 230-pound junior was back to his old self for undefeated Bishop Fenwick. With his aggressively physical north-south running style that has brutalized many a defender this fall, Rushins led an onslaught of 35 unanswered points as the Crusaders cruised past South champion Abington, 35-8, in the D5 Eastern Mass. final at James Connolly Stadium.
With the win, the Crusaders punch their ticket to the state championship on Dec. 7 at Gillette Stadium.
"For Rufus being out the last two, three weeks, they didn't miss a beat," Fenwick head coach Dave Woods said. "They worked great on the mesh, great on the zone reads. Rufus has a little bit of rust early, but he rushed it off and had a great game."
Said quarterback Nick Bona of Rushins' efforts, "It definitely brings us momentum, and opens up the field for the rest of us. It works out pretty good."
Coming into tonight's contest, Rushins led the Crusaders (11-0) in rushing with 1,142 yards and 18 touchdowns, averaging an impressive 8.5 yards per carry. Tonight it was another workmanlike performance, carrying 21 times for 154 yards and two scores.
With their patented scheme using power personnel in spread-based looks, the Crusaders pounded the rock early and often between the tackles.
After the Green Wave (9-2) got on the scoreboard first with a 20-yard scoring strike from Brian Dwyer to Vincent Picardi, hitting the senior split end in stride on a deep out route, the Crusaders responded immediately to cut the lead to 8-6 late in the first quarter. With starting field positing at the Abington 48 thanks to a nice kickoff return, they needed just three plays to score, capping it with a 38-yard Rushins score on an inside veer. Rushins burst through to the second level, cut once and shed a few arm tackles towards paydirt.
The Crusaders failed to convert the two-point try, and came up short on its first two fourth-down conversions of the game. But on their third try, on their final drive of the first half, they were successful, with Bona keeping the ball on a zone read for a new set of downs. Four plays later, eligible lineman David Hurley lumbered in from five yards out, then switched to a skill number and caught the two-point pass rolling to the near pylon, for a 14-8 lead with 56 ticks to go before the half.
"At the time, I was saying, we've got three turnovers and we're losing 8-6. That's not good, we need to capitalize," Woods said. "That score at the end of the half was huge. To get that scoring point at the halftime with the lead was really big.
"It was great for David [too]. He works hard on the offensive line, he works hard on defense, and to pound one in is nice."
The defense sewed it up in the second half, holding the Green Wave to under 30 yards of offense over the final 22 minutes, led by Bona in the back at safety, as well as lineman Dustin McCauley, linebacker Kevin Hannon, and defensive backs Charlie Mastrellis, Eric Razney and Tommy Parsons.
"That was an unbelievable defense," Woods said. "I thought [assistant coach Dave] Dugan had an unbelievable gameplan. These kids watched game film all week, they knew tendencies, they played hard. They got after it."
Bona made it 21-8 late in the third quarter, capping a 12-play, 82-yard, six-minute drive with a five-yard option keeper. That was followed by Rushins' second score, accounting for all 34 yards on a three-play drive after Abington failed to convert on fourth down in its own territory. Bona then closed out the scoring late with a 30-yard interception return, the Crusaders' fourth pick of the night and fifth turnover of the game.
Fenwick will face the winner of tomorrow's other state semifinal between West champion Hoosac Valley and Central champion Northbridge, on Dec. 7 at Gillette Stadium.
"We knew they were gonna come right at us, they're a hard, physical team," Bona said. "And I think we out-physicaled them tonight."
Easing back into it
Dislocating one's elbow sounds like a painful injury, but Rushins has an admittedly high threshold. Asked to rate the daily pain on a scale of one to 10, he gave it a four.
"It feels good, it doesn't really hurt so much," he said. "I'm gonna go home, ice it, put a nice heating pad on it, and do some physical therapy."
He later added, "I have a high tolerance for pain, so it wasn't really that much. I just took some ibuprofen. You know, even when I woke up, all I could think about was, 'When could I get back on the field?' That was my goal."
However, Rushins says he will be sitting out next Thursday's Thanksgiving Day battle with Pingree, to get rested up for Dec. 7's state championship. Rushins also excels as a defensive end, with some of the Division 1 schools showing interest for him at a position along the defensive line. Tonight he only went one way, and was unsure if he would play on the line the rest of the season.
"I think we're gonna scrap the d-line rest of the year, but we'll see how my elbow is doing," he said. "Who knows, maybe I'll play some defense."


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UPDATE: I had a phone conversion with Brett Shearing, Business Development Manager at Commission Junction, who told me the search marketing services will only be offered to their vendors. UPDATE
Seems affiliate marketing giant Commission Junction wants to start offering search marketing services, according to an email I received today.
It states they have been offering this to an exclusive group of advertisers for the past three years.
Very interesting… it almost seems too good to be true. A service that has the affiliate programs for you to sell and will take charge of the selling process too…. hmmm. The ultimate turnkey operation – pick a product and then tell them how much you want to make and they cut you a check!
Obviously not that simple but somehow it seems weird. The email is below:
I would like to have 2 minutes of your time to introduce Commission Junction's, CJ Search Group. You may not be aware, but CJ has been providing Search Engine Marketing Services to an exclusive group of Advertisers for the last 3 years. We are now expanding this offering to allow all advertisers to take advantage of our Best in Class approach to Search Engine Marketing.
Over the last three years, we have developed a Best in Class Search Engine Marketing Methodology, built one of the industry most sophisticated Bid Management Platforms (in fact our tracking components are used by eBay), and assembled the brightest team of Search Engine Marketers in the industry. We are experts in Paid Search, Paid Inclusion, SEO and Shopping Portals.
We offer the following benefits to our clients:
– Aggressive Paid Search (Pay Per Click) Optimization. We are experts in increasing ROAS, driving volume and optimizing for maximum efficiencies.
– Ability to gain no 1 ranking's naturally through SEO for highly competitive terms.
– A sophisticated Bid Management platform able to optimize effectively for CTR and bid price and ROAS, not just bid price and ROAS.
– A true understand of the interdependence of Affiliate marketing and Search Engine Marketing. We are the industry leaders in working Search and Affiliates to maximize ROAS.
– A dedicated customer focused team. We seek to understand your business objectives, provide effective communication and deliver superior results.
– Ability to track multiple cookie conversions. This includes search retargeting.
– Performance based pricing model. We are rewarded for increasing ROAS, not by increasing spend.
Related reading
15 data visualisation tools to help you present ideas effectively
The number of digital skills you need in order to be a functional and useful member of your organisation are increasing at a rate you might be struggling to keep up with.
Tie your web, and mobile properties together in Search Console, plus three more recent changes
Since writing our comprehensive and barn-stormingly popular complete guide to Search Console a couple of weeks ago, Google has since released a few updates to make webmasters lives a darn sight easier.
Google launches Firebase Analytics for mobile apps
Google has launched Firebase Analytics, a new analytics solution for mobile apps, at this year's I/O 2016 developer conference.
Google Search Console: a complete overview
The Search Console (or Google Webmaster Tools as it used to be known) is a completely free and indispensably useful service offered by Google to all webmasters to help optimise their sites for search.


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MacBook Air 15-inch landing in April?
Could a 15-inch MacBook Air be coming as early as next month? Yes, if a report from Electric Pig is anything to go by.
The Pig is reporting that an "anonymous vendor" at a UK accessories expo held in London on Tuesday spilled the beans on the new size Air and said that it was part of a "shake-up [that] will happen in April".
While we'll reserve judgement on whether we think there will be a bigger MacBook Air landing as soon as next month, it is worth noting that this isn't the first time we've heard murmurs of a 15-inch skinny Mac.
In July 2011, sources, as sources are want to do, told MacRumors that Apple was already working on a 15-inch super-skinny MacBook Pro. At the same time TUAW reported that Apple was also looking at releasing a 17-inch version, thereby covering all screen sizes.
Then, in November that year, Digitimes sources hinted at new 11, 13 and 15-inch versions of the MacBook Air and Slashgear reported that the new Air could make use of Intel's new Ivy Bridge processors.
Apple doesn't have a traditional launch month for its svelte laptops. The original MacBook Air landed in January 2008, followed by a refresh later that year. In mid-2009 the third generation landed and it was more than a year later, in October 2010, that we were treated to the new super-skinny design - a design that was once again revamped in July 2011.
So, while it's likely that a new MacBook Air range will land sometime in 2012, what month, what sizes and what this means for the MacBook Pro range remain to be seen.
Watch this space...
Acer Switch Alpha 12 review: Affordability is its ace
Windows 10 free upgrade ends 29 July: Here's how to get it now
Microsoft is about to stop giving out free Windows 10 upgrades
Now Lenovo offers a MacBook Air-like laptop, the Air 13 Pro
- Acer Switch Alpha 12 review: Affordability is its ace
- Windows 10 free upgrade ends 29 July: Here's how to get it now
- Microsoft is about to stop giving out free Windows 10 upgrades
- Now Lenovo offers a MacBook Air-like laptop, the Air 13 Pro
- My Passport Ultra hard drive lets you store up to 177 hours of 4K footage
- How to get MacOS Sierra right now and get it working on your Mac
- Acer's new all-metal X3 laptops aim at MacBook Air but for less
- Now Dell is hiking prices for all its products due to Brexit
- Xiaomi Mi Notebook is actually real and, yes, it looks like a MacBook
- Windows 10 Anniversary Update release date confirmed, 2 August
- Pokemon Go Gym tips: How to battle, train and win
- Pokemon Go: How to find and catch rare Pokemon like Charizard, Blastoise and Alakazam
- 13 secret WhatsApp tricks
- Apple iPhone 7 Pro: Will it happen and what's the story so far?
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- Apple iPhone 7 and iPhone 7 Plus: Release date, rumours and everything you need to know
- Acer Switch Alpha 12 review: Affordability is its ace
- Best battery cases for iPhone 6S: So you can Pokemon Go and Go and Go
- 17 Facebook Messenger tips and tricks you likely didn't know


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Connolly Marine
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The Hot Rod kit contains the capsules to install -6, -8, -10 hose into their respective sockets. To accommodate all the different manufacturer's fittings, spacers and sleeves are required to tighten up some of the sockets within the capsule. For the tool to perform at its best, the socket needs to be a snug fit into the funnel. Spacers are used in some -6's, -8's, and most -10's. If the socket seems loose in the tool, use a spacer to tighten it up.
See the instructions in the case for the proper spacer number.
*Not for use with Teflon-style hose.*
This welded steel prop puller is one of the finest prop pullers made.
Will accommodate 1" and 1 - 1/8" Prop Shafts
Just tighten onto prop, then smack the back side with your mallet hammer!
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Shirts are made with Hanes BEEFY T
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Kit includes new impeller and shear pin for the Neovane 3/4" water pump. For models V-505, V-755, H500, and V-750
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Made from 6061-T6 aluminum with a machined finish. They are approximately 2 1/2" diameter by 2 1/2" long. There is a lightly pressed in 2" diameter double sealed bearing with the inside diameter bored to 1.002" (to easily slip over your prop shaft). It's held in the aluminum housing by a snap ring for safety.
Inside the aluminum housing is a double lip cup seal to keep the water out and a grease zerk on the outside body to grease the seal. A standard size 1 3/4" hose fits from the rear, Also added rounded grooves to help the hose clamp bite into the housing and not slip off.
With this design there will be no more prop shaft wear of bushings to replace because it rides on a bearing!
Connolly Marine - 1505 Countryshire Ave. Suite C, Lake Havasu City AZ. 86403 - Phone 928-733-6013
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text:
Datalogic Aladdin 18.104.22.168Smart.it - Shareware
Datalogic Aladdin is a Shareware software in the category Miscellaneous developed by Smart.it.
It was checked for updates 126 times by the users of our client application UpdateStar during the last month.
The latest version of Datalogic Aladdin is 220.127.116.11, released on 02/18/2008. It was initially added to our database on 10/29/2007.
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The authors acknowledge Mr. Aki Kuitunen for assisting in experiment performances, Ms. Satu Pakarinen for providing the tones, two anonymous reviewers, and all participants. This research was supported by the Academy of Finland (200522) and the Centre of International Mobility (CIMO).
Psychosocial stress attenuates general sound processing and duration change detection
Version of Record online: 27 NOV 2006
DOI: 10.1111/j.1469-8986.2006.00476.x
Volume 44, Issue 1, pages 30–38, January 2007
Additional Information
How to Cite
Simoens, V. L., Istók, E., Hyttinen, S., Hirvonen, A., Näätänen, R. and Tervaniemi, M. (2007), Psychosocial stress attenuates general sound processing and duration change detection. Psychophysiology, 44: 30–38. doi: 10.1111/j.1469-8986.2006.00476.x
Publication History
- Issue online: 27 NOV 2006
- Version of Record online: 27 NOV 2006
- (Received July 8, 2006; Accepted September 28, 2006)
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Problem: The brand was outdated and kitschy.
Insight: Cheeburger Cheeburger offers unlimited toppings regardless of which burger you order.
Idea: Cheeburger Cheeburger offers the most toppings of any cheeseburger joint.
Previous Branding:
New Logo:
Online Banner (this walks you through how the animation would play):
Close up of menu:
Takeaway Bags:
Outdoor (station takeover):
[Click any image to zoom]


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Vitamins & Supplements Center
- Diabetes
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the right to food
Documentary video put together by our Poverty Media Unit.
You may not know it, but you, and everybody else in the UK, have a right to food.
In 1976, our Government made a binding commitment under international human rights law to secure the human right to adequate food for everyone in the UK.
Now, as increasing numbers are forced to depend on charitable food aid, people on low incomes are asking:
- Is the state taking responsibility for our right to food?
- How is it respecting, protecting and fulfilling that right?
- Is it acting against its obligations with the introduction of benefit conditionality and sanctions?
- What is the relationship between the state and the charities that provide emergency food?
- Is anyone being held accountable?
- If people knew they had a right to food, what difference would it make?
We're working with Dr Hannah Lumbie-Mumford of Sheffield University and two groups of people in Salford and Halifax who have experienced food poverty, to explore what a 'right to food' should look like and what is happening now, particularly in the context of current benefit changes.
Make a donation to help build the movement
See an introduction to the topic
The research report that launched this project
below the breadline
Find out more about our campaigns on food poverty


text:
Tracy López
Novelist and Freelance Writer in Washington, DC
Tracy López
Novelist and Freelance Writer in Washington, DC
Tracy López is a bilingual freelance writer and novelist living outside the DC metro area. She has written for online publications such as Fox News Latino, latinamom.me and VOXXI, in addition to print publications, SerPadres Magazine and Café Magazine; her translations have appeared in print magazine, Plaza Familia and on Procter & Gamble's Orgullosa website. Previous positions include contributing writer to Mamiverse, as well as Features Writer and Editorial Coordinator at SpanglishBaby.
Tracy's current positions include contributing writer to Latina Bloggers Connect, as well as Editor-in-Chief / Author of Latinaish.com - a blog nominated "Best Latin@ Bilingual Bloggger" by LATISM (Latinos in Social Media) in 2011 and chosen as a "Top Bloguera" by LATISM in 2012.
To view clips you can click the Wordpress icon below. If you wish to contact Tracy, you can do so via the "Hire Me" button at the top or at firstname.lastname@example.com.