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How do you set, clear, and toggle a single bit?
...it to either 1 or 0 can be achieved with the following on a 2's complement C++ implementation:
number ^= (-x ^ number) & (1UL << n);
Bit n will be set if x is 1, and cleared if x is 0. If x has some other value, you get garbage. x = !!x will booleanize it to 0 or 1.
To make this indepen...
Loader lock error
I am building on C++ dll, by writing code in C#.
9 Answers
9
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Static constant string (class member)
...definition) is only allowed with integral and enum types.
Starting from C++17 you have another option, which is quite similar to your original declaration: inline variables
// In a header file (if it is in a header file in your case)
class A {
private:
inline static const string RECTA...
Why .NET String is immutable? [duplicate]
...te, a new copy of the state class is created. This is more often used with C++ than C#, which is why it's std:string enjoys some, but not all, of the advantages of immutable types, while remaining mutable.
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How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
...ally take an int parameter. Its a fake parameter. But the designers of the C++ language had to define a way to distinguish between prefix and postfix function definitions. This is the design decision they made.
– Martin York
Sep 9 '17 at 5:41
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C/C++ line number
In the sake of debugging purposes, can I get the line number in C /C++ compilers?
(standard way or specific ways for certain compilers)
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How expensive is RTTI?
...o free.
Gritty details:
GCC prefers to use a particular "vendor-neutral" C++ ABI[1], and always uses this ABI for Linux and BSD targets[2]. For platforms that support this ABI and also weak linkage, typeid() returns a consistent and unique object for each type, even across dynamic linking boundari...
How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
In unmanaged C/C++ code, what are the best practices to detect memory leaks? And coding guidelines to avoid? (As if it's that simple ;)
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How to turn on (literally) ALL of GCC's warnings?
...o though, for instance some language-specific options are on the pages for C++ options or Obj-C options. To find them all you're better off looking at the Options Summary
Turning on everything would include -Wdouble-promotion which is only relevant on CPUs with a 32-bit single-precision floating-po...
Squid做透明代理，3.0以上不支持--enable-auth=\"basic,nltm\"配置项了吗？...
...fo_group" --enable-arp-acl
在2.7可以configure 完成，在3.0以上有问题，报“configure: error: unrecognized argument to --enable-auth: basic,ntlm，编译选项应该怎么写？
已解决：3.0以上版本写法变化，去掉后面“--enable-arp-acl”，改为--enable-auth。Squi...