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deciding among subprocess, multiprocessing, and thread in Python?
...le descriptors directly --- though I don't know if this is portable to non-UNIX platforms.
(Update: 7 August 2019: Python 3 support for ayncio subprocesses: asyncio Subprocessses)
subprocess has almost no event handling support ... though you can use the signal module and plain old-school UNIX/Linux...
Socket 错误返回码详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...因通常是開啟一個不具有開啟權限的檔案或socket。例如在UNIX上，一般的使用者不能開啟 SOCK_RAW的socket，通常是超級使用者(super user)才有此權限。如果一般的使用者企圖開啟SOCK_RAW的socket，將會得到這個錯誤訊息。
對於WinSock API...
Retrieve a single file from a repository
..., but it's not as fast as I'd like it to be (and it still requires running unix2dos or similiar on Windows machines since we store files with Unix line endings in the Git repository).
– Frerich Raabe
Mar 10 '14 at 19:47
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'git status' shows changed files, but 'git diff' doesn't
...ample, from 777 to 700.
The line feed style changed from CRLF (DOS) to LF (UNIX)
The easiest way to find out what happened is to run git format-patch HEAD^ and see what the generated patch says.
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How do I change the default port (9000) that Play uses when I execute the “run” command?
...bution:
sbt stage
For Play 2.0.x and 2.1.x use the target/start script (Unix Only):
target/start -Dhttp.port=8080
For Play 2.2.x & 2.3.x use the appropriate start script in the target/universal/stage/bin directory:
target/universal/stage/bin/[appname] -Dhttp.port=8080
With Play 2.2.x &a...
How can I iterate over files in a given directory?
... pathnames matching a specified pattern according to the rules used by the Unix shell, although results are returned in arbitrary order. No tilde expansion is done, but *, ?, and character ranges expressed with [] will be correctly matched.
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How do I resolve ClassNotFoundException?
...tioned here:
on Windows
java -classpath .;yourjar.jar YourMainClass
on UNIX/Linux
java -classpath .:yourjar.jar YourMainClass
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How to recursively find the latest modified file in a directory?
... to keep everything in memory.
%T@ gives you the modification time like a unix timestamp, sort -n sorts numerically, tail -1 takes the last line (highest timestamp), cut -f2 -d" " cuts away the first field (the timestamp) from the output.
Edit: Just as -printf is probably GNU-only, ajreals usage o...
Tracking the script execution time in PHP
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On unixoid systems (and in php 7+ on Windows as well), you can use getrusage, like:
// Script start
$rustart = getrusage();
// Code ...
// Script end
function rutime($ru, $rus, $index) {
return ($ru["ru_$index.tv_sec"]*10...
How to save a Python interactive session?
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@ubershmekel - Looks like it only works on Unix
– Joel B
Feb 5 '15 at 15:04
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