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Linux环境离线安装docker&docker-compose - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...过程。【https://geuj9lut.mirror.aliyuncs.com】就是阿里云提供的一个Docker镜像镜像站点。
# 配置docker服务自定义设置
sudo mkdir -p /etc/docker
sudo mkdir -p /data/app/dockerWork
sudo vim /etc/docker/daemon.json
...
How can I output a UTF-8 CSV in PHP that Excel will read properly?
...
To quote a Microsoft support engineer,
Excel for Mac does not currently support UTF-8
Update, 2017: This is true of all versions of Microsoft Excel for Mac before Office 2016. Newer versions (from Office 365) do now support UTF-8.
In...
Increasing (or decreasing) the memory available to R processes
...acity.
You may also set the amount of
available memory manually. Close R,
then right-click on your R program
icon (the icon on your desktop or in
your programs directory). Select
``Properties'', and then select the
``Shortcut'' tab. Look for the
``Target'' field and after the clo...
When to make a type non-movable in C++11?
...gave a good example of a type which shouldn't be movable: std::mutex.
The OS's native mutex type (e.g. pthread_mutex_t on POSIX platforms) might not be "location invariant" meaning the object's address is part of its value. For example, the OS might keep a list of pointers to all initialized mutex ...
Is System.nanoTime() completely useless?
As documented in the blog post Beware of System.nanoTime() in Java , on x86 systems, Java's System.nanoTime() returns the time value using a CPU specific counter. Now consider the following case I use to measure time of a call:
...
Mocking python function based on input arguments
...h in ['/var/log', '/var/log/apache2', '/var/log/tomcat']
with mock.patch('os.path.isdir') as os_path_isdir:
os_path_isdir.side_effect = mock_isdir
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rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
... many blogs with install_name_tool, which won't work for me because I'm on OSX Lion:
sudo install_name_tool -change libmysqlclient.18.dylib /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/local/bin/indexer
sudo install_name_tool -change libmysqlclient.18.dylib /usr/local/mysql/lib/libmysqlclient....
What is the easiest way to make a C++ program crash?
... crash reliably! So I want to make a quick C++ program that crashes on purpose but I don't actually know the best and shortest way to do that, does anyone know what to put between my:
...
How do I find which rpm package supplies a file I'm looking for?
...s to be more efficient than yum whatprovides--no need to get updates from possibly slow repositories.
– 80x25
May 21 '14 at 15:30
1
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Why does running the Flask dev server run itself twice?
...use_reloader to False you'll see the behaviour go away, but then you also lose the reloading functionality:
app.run(port=4004, debug=config.DEBUG, host='0.0.0.0', use_reloader=False)
You can disable the reloader when using the flask run command too:
FLASK_DEBUG=1 flask run --no-reload
You can ...