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Defeating a Poker Bot
...iness appears to survive and remain healthy, only losing well educated and winning players (of which there are not many). This increases the proportion of less skilled players to the network, which in turn attracts the good players back. It's a good ol' fashioned catch 22. An excellent argument f...
Setting a system environment variable from a Windows batch file?
...to set a environment variable at the system level from a command prompt in Windows 7 (or even XP for that matter). I am running from an elevated command prompt.
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How does a debugger work?
...end on what you are debugging, and what the OS is. For native debugging on Windows you can find some details on MSDN: Win32 Debugging API.
The user tells the debugger which process to attach to, either by name or by process ID. If it is a name then the debugger will look up the process ID, and init...
浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...小，也就是说最大值是64KB，如果超过它，就需要使用tcp_window_scaling机制。参考：TCP Windows and Window Scaling。
Linux中通过配置内核参数里接收缓冲的大小，进而可以控制接收窗口的大小：
shell> sysctl -a | grep mem
net.ipv4.tcp_rmem = <MIN>...
When should I mock?
...ect to return exactly what you want during a test. That also includes throwing expected exceptions within tests.
A mock replaces that dependency. You set expectations on calls to the dependent object, set the exact return values it should give you to perform the test you want, and/or what excepti...
How to get an element's top position relative to the browser's viewport?
...l.getBoundingClientRect();
// these are relative to the viewport, i.e. the window
var top = viewportOffset.top;
var left = viewportOffset.left;
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Format number to 2 decimal places
...fix it. I will still get useful for everyone, and it will be 100% correct. Win-win :)
– Benoit Duffez
Dec 22 '14 at 9:21
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Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...M overhead, in practice the limit can be much lower. On most modern 32-bit Windows systems the maximum heap size will range from 1.4G to 1.6G. On 32-bit Solaris kernels the address space is limited to 2G. On 64-bit operating systems running the 32-bit VM, the max heap size can be higher, approaching...
Mercurial error: abort no username supplied
Problem on WindowsXP (likely will happen on all Win installs), first time using Mercurial. I found the answer in an inobvious place so I'm asking/answering the question myself so others don't have to search like I did.
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What does [STAThread] do?
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The STAThreadAttribute is essentially a requirement for the Windows message pump to communicate with COM components. Although core Windows Forms does not use COM, many components of the OS such as system dialogs do use this technology.
MSDN explains the reason in slightly more detail...