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What is the lifetime of a static variable in a C++ function?
...2
Created in foo
Created in if
Destroyed in if
Destroyed in foo
[0] Since C++98[2] has no reference to multiple threads how this will be behave in a multi-threaded environment is unspecified, and can be problematic as Roddy mentions.
[1] C++98 section 3.6.3.1 [basic.start.term]
[2] In C++11 statics...
How would one write object-oriented code in C? [closed]
...ymorphism then yes, you can, we were doing that sort of stuff years before C++ came about.
Basically you use a struct to hold both the data and a list of function pointers to point to the relevant functions for that data.
So, in a communications class, you would have an open, read, write and close...
Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
...实现周期运行,所以我们再介绍两个新参数
指向timer的指针
一个int*来指向计数器
void print(const asio::error& /*e*/,
asio::deadline_timer* t, int* count)
{
我们打算让这个函数运行6个周期,然而你会发现这里没有显式的方法来...
手握利器，直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...
...(InstructionPtr，仅x86处理器，用于决定帧的堆栈回朔的指令指针)不存在于任何已知的模块中，下面的帧可能出现错误”。这个意思的解释已超出本文讨论范围，笔者仅告诉大家，这行文字下面的一行右侧的模块是系统蓝屏崩溃时...
How to calculate a time difference in C++
What's the best way to calculate a time difference in C++? I'm timing the execution speed of a program, so I'm interested in milliseconds. Better yet, seconds.milliseconds..
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What is “runtime”?
I have heard about things like "C Runtime", "Visual C++ 2008 Runtime", ".NET Common Language Runtime", etc.
14 Answers
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Measuring execution time of a function in C++
I want to find out how much time a certain function takes in my C++ program to execute on Linux . Afterwards, I want to make a speed comparison . I saw several time function but ended up with this from boost. Chrono:
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Compiling C++ on remote Linux machine - “clock skew detected” warning
I'm connected to my university's small Linux cluster via PuTTY and WinSCP, transferring files using the latter and compiling and running them with the former. My work so far has been performed in the university's labs, but today I have been doing some work at home that generated an interesting warn...
Placement of the asterisk in pointer declarations
I've recently decided that I just have to finally learn C/C++, and there is one thing I do not really understand about pointers or more precisely, their definition.
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Check if a string contains a string in C++
...in std. And std::contains might very well exist in some future version of c++, which would break this program.
– Don Hatch
Oct 23 '19 at 8:06
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