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static linking only some libraries
...2 -Wl,-Bdynamic -ld1 -ld2
you can also use: -static-libgcc -static-libstdc++ flags for gcc libraries
keep in mind that if libs1.so and libs1.a both exists, the linker will pick libs1.so if it's before -Wl,-Bstatic or after -Wl,-Bdynamic. Don't forget to pass -L/libs1-library-location/ before call...
Can I call memcpy() and memmove() with “number of bytes” set to zero?
...nst unsigned char *src = _src;
while(len-- > 0)
*dst++ = *src++;
return _dst;
}
you should not even have any performance penality other than the function call; if the compiler supports intrinsics/inlining for such functions, the additional check may even make the code a micro-li...
How do I call Objective-C code from Swift?
...
I wrote a simple Xcode 6 project that shows how to mix C++, Objective-C and Swift code:
https://github.com/romitagl/shared/tree/master/C-ObjC-Swift/Performance_Console
In particular, the example calls an Objective-C and a C++ function from the Swift.
The key is to create a sha...
How to split strings across multiple lines in CMake?
... resulting options are passed to the compiler in quotes
/usr/lib64/ccache/c++ -DGTEST_CREATE_SHARED_LIBRARY=1 -Dgtest_EXPORTS -I../ThirdParty/googletest/googletest/include -I../ThirdParty/googletest/googletest -std=c++11 -fno-rtti -fno-exceptions -fPIC -std=c++11 -fno-rtti -fno-exceptions -Wall...
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...el.handsome = false
haoel.name=nil
上面看上去像C/C++中的结构体，但是name,age, handsome, website都是key。你还可以像下面这样写义Table：
1
t = {[20]=100, ['name']="ChenHao", [3.14]="PI"}
这样就更像Key Val...
Programmatically Determine a Duration of a Locked Workstation?
... the Lock State for a given session.
I found my answer here but it was in C++ so i translated as much as i can to C# to get the Lock State.
So here goes:
static class SessionInfo {
private const Int32 FALSE = 0;
private static readonly IntPtr WTS_CURRENT_SERVER = IntPtr.Zero;
privat...
How do I match any character across multiple lines in a regular expression?
...nds [\d\D] / [\w\W] / [\s\S] (demo): s.match(/([\s\S]*)<FooBar>/)[1]
c++ (std::regex) Use [\s\S] or the JS workarounds (demo): regex rex(R"(([\s\S]*)<FooBar>)");
vba vbscript - Use the same approach as in JavaScript, ([\s\S]*)<Foobar>. (NOTE: The MultiLine property of the
RegExp o...
std::shared_ptr of this
...
Not the answer you're looking for? Browse other questions tagged c++ this shared-ptr this-pointer or ask your own question.
When should assertions stay in production code? [closed]
There's a discussion going on over at comp.lang.c++.moderated about whether or not assertions, which in C++ only exist in debug builds by default, should be kept in production code or not.
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Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
Is there a faster way than x >= start && x <= end in C or C++ to test if an integer is between two integers?
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