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C libcurl get output into a string
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for C++ std::string go here
– Trevor Boyd Smith
Sep 4 '18 at 14:40
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从一个开发的角度看负载均衡和LVS - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ce-and-lvs-briefly在大规模互联网应用中，负载均衡设备是必不可少的一个节点，源于互联网应用的高并发和大流量的冲击压力，我们通常会在服务端部署多个无状态...在大规模互联网应用中，负载均衡设备是必不可少的一个节点，...
What is “missing” in the Visual Studio 2008 Express Editions?
...ling or test framework support
No MFC/ATL support
No support for compiling C++ to 64-bit images (workaround is to install Windows SDK which is free)
NOTE: it is often said that the Express EULA does not permit commercial development - that is not true (Visual Studio Express FAQ Item 7)
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Overloading member access operators ->, .*
...ry dereferencing operator * (i.e. the first part of what -> does).
The C++ -> operator is basically the union of two steps and this is clear if you think that x->y is equivalent to (*x).y. C++ allows you to customize what to do with the (*x) part when x is an instance of your class.
The s...
How to remove the arrow from a select element in Firefox
...set the select box's opacity to 0.
.select {
opacity : 0;
width: 200px;
height: 15px;
}
<select class='select'>
<option value='foo'>bar</option>
</select>
this is so you can still click on it
Then make div with the same dimensions as the select box. ...
How to vertically align an image inside a div
...
This might be useful:
div {
position: relative;
width: 200px;
height: 200px;
}
img {
position: absolute;
top: 0;
bottom: 0;
margin: auto;
}
.image {
min-height: 50px
}
share
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How to suppress GCC warnings from library headers?
...ou're trying to do this in XCode then stick -isystem path into your "other C++ flags" in the "custom compiler flags" in your target build settings.
– Matt Parkins
Dec 11 '13 at 12:08
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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...