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C++11 std::threads vs posix threads
...y is non-negotiable in Unix systems programming for the enterprise.
As at 2016, std::thread is a toy; simple as that.
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Using IPython notebooks under version control
...r.dropoutput_ipynb.clean ipython ~/bin/ipynb_output_filter.py
EDIT: May 2016 (updated February 2017): there are several alternatives to my script - for completeness, here is a list of those I know: nbstripout (other variants), nbstrip, jq.
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Automatically add all files in a folder to a target using CMake?
... A better way since v3.1 is suggested here: target_sources() crascit.com/2016/01/31/…
– Sheen
Feb 13 '18 at 17:19
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libevent+protobuf轻松搭建tcpserver - C/C++ - 清泛网 - 专注C/C++及内核技术
...ar*)&flag, sizeof(flag));
// 设置buffer event
// 假设client_t有一个类型为struct bufferevent*的域buf_ev
// total_len: 指示请求总长度
// cur_size: 指示当前已经接收的请求长度
// data: 请求数据本身
client_t *client = (...
Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
... for Configuring Optimal MySQL Memory Usage:
https://www.percona.com/blog/2016/05/03/best-practices-for-configuring-optimal-mysql-memory-usage/
How to Optimize MySQL Performance Using MySQLTuner:
https://www.linode.com/docs/databases/mysql/how-to-optimize-mysql-performance-using-mysqltuner/
Apa...
How to pass a user defined argument in scrapy spider
...nts
Update 2013: Add second argument
Update 2015: Adjust wording
Update 2016: Use newer base class and add super, thanks @Birla
Update 2017: Use Python3 super
# previously
super(MySpider, self).__init__(**kwargs) # python2
Update 2018: As @eLRuLL points out, spiders can access arguments as a...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...理解是很多高级 XML 应用的基础。1、最常见的XML数据类型有：Element, Attribute,Comment, Text.
Element, 指形如<Name>Tom<Name>的节点。它可以包括：Element, Text, Comment, ProcessingInstruction, CDATA, and EntityReference.
Attribute, 指在<Employee >中的粗体部...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...理解是很多高级 XML 应用的基础。1、最常见的XML数据类型有：Element, Attribute,Comment, Text.
Element, 指形如<Name>Tom<Name>的节点。它可以包括：Element, Text, Comment, ProcessingInstruction, CDATA, and EntityReference.
Attribute, 指在<Employee >中的粗体部...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...理解是很多高级 XML 应用的基础。1、最常见的XML数据类型有：Element, Attribute,Comment, Text.
Element, 指形如<Name>Tom<Name>的节点。它可以包括：Element, Text, Comment, ProcessingInstruction, CDATA, and EntityReference.
Attribute, 指在<Employee >中的粗体部...
C# Xml中SelectSingleNode方法中的xpath用法（Xml节点操作最佳方式） - 更...
...理解是很多高级 XML 应用的基础。1、最常见的XML数据类型有：Element, Attribute,Comment, Text.
Element, 指形如<Name>Tom<Name>的节点。它可以包括：Element, Text, Comment, ProcessingInstruction, CDATA, and EntityReference.
Attribute, 指在<Employee >中的粗体部...