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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
..._WIN32__) || defined(__NT__)
//define something for Windows (32-bit and 64-bit, this part is common)
#ifdef _WIN64
//define something for Windows (64-bit only)
#else
//define something for Windows (32-bit only)
#endif
#elif __APPLE__
#include <TargetConditionals.h>
...
Why does volatile exist?
... @curiousguy it did not decide wrongly. It made the correct deduction based on the information given. If you fail to mark something volatile, the compiler is free to assume that it is not volatile. That's what the compiler does when optimizing code. If there is more information, namely, that sa...
Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i
After updating to Xcode 5.1, I can no longer build my project for the 64-bit simulator, receiving this error:
18 Answers
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What are allowed characters in cookies?
...page is used (locale-specific and never UTF-8);
Firefox (and other Mozilla-based browsers) use the low byte of each UTF-16 code point on its own (so ISO-8859-1 is OK but anything else is mangled);
Safari simply refuses to send any cookie containing non-ASCII characters.
so in practice you cannot u...
No ConcurrentList in .Net 4.0?
...f you need something similar to List<T> that uses old-skool, monitor-based synchronisation, there's SynchronizedCollection<T> hidden away in the BCL: msdn.microsoft.com/en-us/library/ms668265.aspx
– LukeH
Jul 6 '11 at 19:43
...
Git Bash is extremely slow on Windows 7 x64
... it is significantly faster on my machine, from ~0.75 s to 0.1 s.
This is based on this blog post.
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How to use Boost in Visual Studio 2010
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Run b2:
Win32: b2 --toolset=msvc-10.0 --build-type=complete stage ;
x64: b2 --toolset=msvc-10.0 --build-type=complete architecture=x86 address-model=64 stage
Go for a walk / watch a movie or 2 / ....
Go through steps 2 - 6 from the set of instruction above to set the environment varia...
Is this object-lifetime-extending-closure a C# compiler bug?
...
Eric LippertEric Lippert
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MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...：http://www.cnblogs.com/xianyunhe/archive/2011/09/02/2163842.html
8. Demo源码下载：MFC的多国语言界面的实现Demo.zip
9. 想了解内部实现原理的请参考：《基于MFC的中英文图形界面的实现》。MFC 多国语言 界面
Convert Rows to columns using 'Pivot' in SQL Server
...) src
pivot
(
sum(xcount)
for week in ([1], [2], [3])
) piv;
See SQL Demo
Then if you need to generate the week number dynamically, your code will be:
DECLARE @cols AS NVARCHAR(MAX),
@query AS NVARCHAR(MAX)
select @cols = STUFF((SELECT ',' + QUOTENAME(Week)
from yt...