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What is the difference between float and double?
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Here is what the standard C99 (ISO-IEC 9899 6.2.5 §10) or C++2003 (ISO-IEC 14882-2003 3.1.9 §8) standards say:
There are three floating point types: float, double, and long double. The type double provides at least as much precision as float, and the type long double provides at l...
淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
...性。
最后，关于异步方面的讨论，我可以 推荐大家一些资源：
1 . J2EE meets web2.0
2. Ebay架构特点(HPTS 2009)
六、非结构化数据存储 ( TFS,NOSQL)
在 一个大型的互联网应用当中，我们会发现并不是所有的数据都是结构化的，比如一...
Do the parentheses after the type name make a difference with new?
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In C++1998 there are 2 types of initialization: zero and default
In C++2003 a 3rd type of initialization, value initialization was added.
Assume:
struct A { int m; }; // POD
struct B { ~B(); int m; }; // non-POD, compiler generated default ctor
struct C { C() : m() {}; ~C(); int m; }; // non-...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...stoayboard,xib可视化实现是比较简单的，但是对于一些“iOS老程序员”而言，都喜欢使用代码实现UI，并且可能UI层次还比较复杂。这样就给我们新接手项目的开发者带来很多困扰。如何快速查看一个复杂UI的界面层次和布局，最快...
.NET 4.0 build issues on CI server
...is worth noting the Supported operating systems: Windows 7, Windows Server 2003 R2 Standard Edition (32-bit x86), Windows Server 2003 R2 Standard x64 Edition , Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows XP Service Pack 3
– Aligma
Nov 7 ...
Match whitespace but not newlines
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U+1680 OGHAM SPACE MARK
U+2000 EN QUAD
U+2001 EM QUAD
U+2002 EN SPACE
U+2003 EM SPACE
U+2004 THREE-PER-EM SPACE
U+2005 FOUR-PER-EM SPACE
U+2006 SIX-PER-EM SPACE
U+2007 FIGURE SPACE
U+2008 PUNCTUATION SPACE
U+2009 THIN SPACE
U+200A HAIR SPACE
U+202F NARROW NO-BREAK SPACE
U+205F MEDIUM MATHEMATICAL...
Difference between Visual Basic 6.0 and VBA
... for use as COM Addins.
This functionality was removed in later versions (2003 and 2007) with the advent of the VSTO (VS Tools for Office) software, although obviously you could still create COM addins in a similar fashion without the use of VSTO (or VS.Net) by using VB6 IDE.
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Why does String.valueOf(null) throw a NullPointerException?
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A bug, numbered 4867608 was filed for this way back in 2003, which was resolved as "won't fix" with this explanation.
We can't change this due to compatibility constraints. Note that it is
the public static String valueOf(char data[]) method which ends up
being invoked and it do...
Authenticating in PHP using LDAP through Active Directory
...authentication-php/.
I have tested this connecting to both Windows Server 2003 and Windows Server 2008 R2 domain controllers from a Windows Server 2003 Web Server (IIS6) and from a windows server 2012 enterprise running IIS 8.
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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...割一个应用为固定数目的功能块。想象一个由账务和人力资源功能组合的大应用。这儿，一个单独的盒子不能处理这样的负载，编程人员也许决定分割为账务功能和人力资源功能为独立执行部分，这样它们运行在两个盒子上：
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