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Exit codes in Python
...ode.
It's fairly likely that the script is never calling the exit method, and that 0 is the default exit code.
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Disable output buffering
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# reopen stdout file descriptor with write mode
# and 0 as the buffer size (unbuffered)
import io, os, sys
try:
# Python 3, open as binary, then wrap in a TextIOWrapper with write-through.
sys.stdout = io.TextIOWrapper(open(sys.stdout.fileno(), 'wb', 0), write_throug...
Linux equivalent of the Mac OS X “open” command [closed]
I've found the "open" command in Mac OS X very handy in the command line. From "man open":
7 Answers
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记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
记录一些Mac OS X技巧用了几个月Mac OS X，发现很多东西不记录下来就会找不到，于是就有了这篇日志。重启Finder有些设置更改以后需要重启Finder才能生效，最简...用了几个月Mac OS X，发现很多东西不记录下来就会找不到，于是就有...
How can I programmatically determine if my app is running in the iphone simulator?
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Watch the #if and #ifdef difference. For me it was the cause of incorrect behavior.
– Anton
Jan 9 '10 at 9:32
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How to get current CPU and RAM usage in Python?
...(current CPU, RAM, free disk space, etc.) in Python? Bonus points for *nix and Windows platforms.
15 Answers
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How to set NODE_ENV to production/development in OS X
...it in your runtime file, since it's not easy to open up VIM in your server and change it to production. You can make a config.json file in your directory and everytime your app runs, it reads from it and sets the configuration.
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Why is creating a Thread said to be expensive?
...a fair bit of work involved:
A large block of memory has to be allocated and initialized for the thread stack.
System calls need to be made to create / register the native thread with the host OS.
Descriptors need to be created, initialized and added to JVM-internal data structures.
It is also e...
Java system properties and environment variables
What's the difference between system properties System.getProperties() and environment variables System.getenv() in a JVM?
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Seeing escape characters when pressing the arrow keys in python shell
... use the arrow keys to move around in the current line or get previous commands (with arrow-up) etc.
23 Answers
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