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When should I use Inline vs. External Javascript?
...y dominate transfer time by factor 20 or more, which is now your amortized window for server-side processing of the <dynamic> portion.
It takes about 50ms for the browser (chrome, rest maybe 20% slower) to process inline jquery + signalr + angular + ng animate + ng touch + ng routes + lodash....
How to detect Safari, Chrome, IE, Firefox and Opera browser?
...
Only use the browser detection method if it's truly necessary, such as showing browser-specific instructions to install an extension. Use feature detection when possible.
Demo: https://jsfiddle.net/6spj1059/
// Opera 8.0+
var isOpera = (!!window.opr && !!opr.addons) || !!window.opera ||...
Join vs. sub-query
...version-specific and query-specific.
Historically, explicit joins usually win, hence the established wisdom that joins are better, but optimisers are getting better all the time, and so I prefer to write queries first in a logically coherent way, and then restructure if performance constraints warr...
浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...以让IT组织中原本孤立的各个方面集中在一起，比如自动生成 准确的业务应用系统组件关系视图、关系视图实时更新、准确掌握应用访问逻辑关系等。APM工具可以帮助那些原本一直局限于监控自身领域的管理员，使他们成 长为...
Finding Number of Cores in Java
...
@universe blowing up and such : or the machine actually has more than 2,147,483,647 logical threads available ? ;)
– Pierre Henry
Oct 22 '12 at 13:08
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What exactly are unmanaged resources?
...inside does the "dirty work" (communicates with the operating system using Win32 dlls, calling low level functions or even assembler instructions) which really open the file. And this is, what .NET doesn't know about, unmanaged.
But you perhaps can open the file by yourself using assembler instructi...
项目管理实践教程二、源代码控制【Source Control Using VisualSVN Server ...
...的bin目录除外，但是web项目的bin目录中的引用其他项目而生成的dll不需要提交。
一个好习惯：如果项目中引用了其他的第三方的程序集，比如EnterpriseLibrary、FCKEditor等，这时候不要简单从他们的安装位置引用，而是在你的解决...
How is TeamViewer so fast?
...neric desktop usage is linear movement of elements (scrolling text, moving windows, etc. opposed to transformation of elements).
The DirectX 3D performance of 1 FPS seems to confirm my guess to some extent.
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git replacing LF with CRLF
Running git on a Windows XP machine, using bash. I exported my project from SVN, and then cloned a bare repository.
20 Answ...
What is the best way to create constants in Objective-C
...s defined in foundation and compiles to compatible formats for C, C++, and Win32.
As defined in NSObjCRuntime.h
#if defined(__cplusplus)
#define FOUNDATION_EXTERN extern "C"
#else
#define FOUNDATION_EXTERN extern
#endif
#if TARGET_OS_WIN32
#if defined(NSBUILDINGFOUNDATION)
#define FO...