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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
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Bash tool to get nth line from a file
...e are operations that you would expect to be heavily optimized in a modern Unix system.
To get an idea about the performance differences, these are the number that I get for a huge file (9.3G):
tail -n+N | head -1: 3.7 sec
head -N | tail -1: 4.6 sec
sed Nq;d: 18.8 sec
Results may differ, but th...
How can bcrypt have built-in salts?
... 10 does. To clear up other misinformation, PHP's crypt function uses the unix crypt library which is implemented in c.
– thomasrutter
Jul 3 '12 at 13:02
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How do BitTorrent magnet links work?
...ss you can test it by deleting the config files (~/.config/transmission on unix), and blocking all communication to dht.transmissionbt.com, and see what happens (wait 240 seconds at least).
So it appears the client has a bootstrap node built in to start with. Of course, once it has gotten into the ...
How to search file text for a pattern and replace it with a given value
...r version that doesn't worry about every possible edge case (if you are on Unix and don't care about writing to /proc):
#!/usr/bin/env ruby
require 'tempfile'
def file_edit(filename, regexp, replacement)
Tempfile.open(".#{File.basename(filename)}", File.dirname(filename)) do |tempfile|
File....
What is a patch in git version control?
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Patch is a Unix program that updates text files according to instructions contained in a separate file, called a patch file.
So, in other words it may mean the file with instructions or a program that processes that file and applies it...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
...协调地址和端口。然后可以双向传输数据。
注意：
在 UNIX 系统上，系统保留 1023（含）以下的端口号。这些限制已保留用于 LINUX，因此也用于 Android。使用这些端口号需要 root 授权。这同样适用于 Apple 的 iOS。
因此，此扩展无...
Where is Python's sys.path initialized from?
...(on Windows) or lib/pythonX.Y/site-packages
and then lib/site-python (on Unix and Macintosh). For each of the
distinct head-tail combinations, it sees if it refers to an existing
directory, and if so, adds it to sys.path and also inspects the newly
added path for configuration files.
...
Should I use SVN or Git? [closed]
... @Hugo as far as I know, Perforce client is available for Windows, Unix, Linux variants, Mac, Amiga, BeOS, Cygwin, HPUX, IBM AS/400, OS/2, DEC VMS and Novell File Server. Is there some relevant platform missing from the list?
– eis
Feb 14 '12 at 10:20
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Git - How to use .netrc file on Windows to save user and password
... the Windows OS someone wants to use a file like ".netrc" which is in like-Unix OS to add the option -n instead of -U <username> -P <password> for convenience. He/she can do it like this:
Check the home path on Windows OS: setx HOME %USERPROFILE%(refer to VonC's answer). It will save t...