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Checking if a double (or float) is NaN in C++
...f current C++ standard ISO/IEC 14882:1998 neither its update ISO/IEC 14882:2003.
In 2005 Technical Report 1 was proposed. The TR1 brings compatibility with C99 to C++. In spite of the fact it has never been officially adopted to become C++ standard, many (GCC 4.0+ or Visual C++ 9.0+ C++ implementat...
那些年 O2O创业我踩了十个坑 - 资讯 - 清泛网 - 专注C/C++及内核技术
...资经验，最重要的，了解了很多行业、积累了大量的人脉资源，这为我下次的创业之路做了很好的铺垫。
作为一名连续创业者，在我的字典里没有失败，只有暂时停止成功，2016，我将原来的一切放下，再次扬帆轻松上阵，奔向...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...心跳间隔，从而达到减少安卓微信因心跳引起的空中信道资源消耗，减少心跳Server的负载，以及减少部分因心跳引起的耗电。
主要方法是参考WhatsApp和Line中有价值的做法，结合影响TCP连接寿命的因素，实现Android微信后台自适应...
node.js global variables?
...launch-9Ga0PT/Render',
USER: 'ddopson',
COMMAND_MODE: 'unix2003',
SSH_AUTH_SOCK: '/tmp/launch-sD905b/Listeners',
__CF_USER_TEXT_ENCODING: '0x12D732E7:0:0',
PATH: '/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:~/bin:/usr/X11/bin',
PWD: '/workspace/zd/zga...
What is a “static” function in C?
..._LOCAL is documented on the ELF spec at http://www.sco.com/developers/gabi/2003-12-17/ch4.symtab.html:
STB_LOCAL Local symbols are not visible outside the object file containing their definition. Local symbols of the same name may exist in multiple files without interfering with each other
whi...
Regular expression to match DNS hostname or IP Address?
... 256 characters -- http://www.ops.ietf.org/lists/namedroppers/namedroppers.2003/msg00964.html
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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...char*)strstring.c_str(); //string---->char*
strCString="2003-10-27 6:24:37"; //CString--->COleDateTime
COleVariant vtime(strCString);
vtime.ChangeType(VT_DATE);
COleDateTime time4=vtime;
COleDateTime time1(1977,4,16,2,2,2); //COleDataT...
Non-type template parameters
...mp> //reference to object
void g();
See §14.1/6,7,8 in C++ Standard (2003).
Illustration:
template <std::string * temp> //pointer to object
void f()
{
cout << *temp << endl;
}
template <std::string & temp> //reference to object
void g()
{
cout << ...
How do I detect unsigned integer multiply overflow?
... Unsigned integers don't strictly overflow in C++ either (ISO/IEC 14882:2003 3.9.1.4). My use of 'overflow' in the question was the more colloquial meaning, intended to include the well-defined wrapping of unsigned types, since I was interested in unsigned ints representing mathematical positive ...
What is the best practice for “Copy Local” and with project references?
...faultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
... snip ...
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
<Import Project="[relative path to Common.targets]" />
<!-- To modif...