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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++实现一款简单完整的聊天室服务器+客户端Linux下select函数实现的聊天服务器消息缓冲区类MessageBuffer，接收线程将受到的消息放入缓冲区，发送线程从缓冲区中取出消息MessageBuffe...目录：
Linux下select函数实现的聊天服务器
基...
Is a GUID unique 100% of the time?
...ow you could get the same guid in the right situation.
https://ericlippert.com/2012/04/24/guid-guide-part-one/
https://ericlippert.com/2012/04/30/guid-guide-part-two/
https://ericlippert.com/2012/05/07/guid-guide-part-three/
...
How to include route handlers in multiple files in Express?
In my NodeJS express application I have app.js that has a few common routes. Then in a wf.js file I would like to define a few more routes.
...
Programmatically retrieve memory usage on iPhone
... you can do something like the example below. However, you really should become familiar with the various profiling tools as well as they are designed to give you a much better picture of usage over-all.
#import <mach/mach.h>
// ...
void report_memory(void) {
struct task_basic_info info;
...
Windows batch file file download from a URL
I am trying to download a file from a website (ex. http://www.example.com/package.zip ) using a Windows batch file. I am getting an error code when I write the function below:
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Changing one character in a string
What is the easiest way in Python to replace a character in a string?
11 Answers
11
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When to use nested classes and classes nested in modules?
... will try to load X::Y after that.
See this article for more information: https://blog.jetbrains.com/ruby/2017/03/why-you-should-not-use-a-class-as-a-namespace-in-rails-applications/
In Ruby 2.5:
Top level constant lookup removed.You may use nested classes without fear of encountering this bug.
...
What is the quickest way to HTTP GET in Python?
What is the quickest way to HTTP GET in Python if I know the content will be a string? I am searching the documentation for a quick one-liner like:
...
How can I create a directly-executable cross-platform GUI app using Python?
...The latter is less mature, but can be used for free.
Complete list is at http://wiki.python.org/moin/GuiProgramming
Single executable (all platforms)
PyInstaller - the most active(Could also be used with PyQt)
fbs - if you chose Qt above
Single executable (Windows)
py2exe - used to be the m...
Can dplyr package be used for conditional mutating?
... a == 4 | a == 3 | c == 4 ~ 3
))
Using dplyr 0.7.4
The manual: http://dplyr.tidyverse.org/reference/case_when.html
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