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How can I remove the first line of a text file using bash/sed script?
...(which comes with OS X by default). When I switched to GNU tail, the tail call was 10 times faster than the sed call (and the GNU sed call, too). AaronDigulla is correct here, if you're using GNU.
– Dan Nguyen
Aug 18 '16 at 20:59
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How to find if directory exists in Python
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RanRagRanRag
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How do I import an SQL file using the command line in MySQL?
...ful about using the > to redirect the mysqldump output to a file, especially if you want control over the encoding. Instead, you probably want to use the --result-file parameter so that the encoding is not controlled by the shell/OS.
– Bernard Chen
Nov 29 '1...
Using Caps Lock as Esc in Mac OS X
...t for rebinding Caps Lock to Escape. Thus it is no longer necessary to install third-party software to achieve this.
Here's my attempt at a comprehensive, visual walk-through answer (with links) of how to achieve this using Seil (formerly known as PCKeyboardHack).
First, go into the System Pref...
How can I make one python file run another? [duplicate]
...retched over lots of files. Highly recommended. Note that if your file is called file.py, your import should not include the .py extension at the end.
The infamous (and unsafe) exec command: Insecure, hacky, usually the wrong answer. Avoid where possible.
execfile('file.py') in Python 2
exec(open(...
How do I update all my CPAN modules to their latest versions?
How do I update all my CPAN modules to their latest versions?
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[科普] __MACOSX是什么文件夹？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
[科普] __MACOSX是什么文件夹？（如图，一般的设计源文件都会有__MACOSX这个目录）以下为网上搜到的资料：MacOS作为他们的开发环境。例如，许多来自领先的网络框架组织的...
（如图，一般的设计源文件都会有__MACOSX这个目录）
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PDOException SQLSTATE[HY000] [2002] No such file or directory
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ukautzukautz
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Integrating MySQL with Python in Windows
...rrently, I would recommend using PyMySQL. It's pure python, so it supports all OSes equally, it's almost a drop-in replacement for mysqldb, and it also works with python 3. The best way to install it is using pip. You can install it from here (more instructions here), and then run:
pip install pymy...
How safe is it to store sessions with Redis?
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Redis is perfect for storing sessions. All operations are performed in memory, and so reads and writes will be fast.
The second aspect is persistence of session state. Redis gives you a lot of flexibility in how you want to persist session state to your hard-dis...