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sed or awk: delete n lines following a pattern
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How to restore the permissions of files and directories within git if they have been modified?
...and 120000, which specifies a symbolic link. The mode is taken from normal UNIX modes but is much less flexible — these three modes are the only ones that are valid for files (blobs) in Git (although other modes are used for directories and submodules).
– esmail
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How do I determine if a port is open on a Windows server? [closed]
...listening.
From outside, just use telnet host port (or telnet host:port on Unix systems) to see if the connection is refused, accepted, or timeouts.
On that latter test, then in general:
connection refused means that nothing is running on that port
accepted means that something is running on tha...
Android SDK installation doesn't find JDK
...ndows haters that coded this never bothered to actually test it, and their Unix forwardslashes weren't converted to Windows backslashes.
– Kenton Price
May 20 '12 at 1:38
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How to use glob() to find files recursively?
...ing with a dot (.); like files in the current directory or hidden files on Unix based system, use the os.walk solution below.
os.walk
For older Python versions, use os.walk to recursively walk a directory and fnmatch.filter to match against a simple expression:
import fnmatch
import os
matches = []...
Getting a list of files in a directory with a glob
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Unix has a library that can perform file globbing operations for you. The functions and types are declared in a header called glob.h, so you'll need to #include it. If open up a terminal an open the man page for glob by typ...
How to rename a file using Python
... It's worth noting that this will silently overwrite files on Unix-like systems but fail with OSError on Windows systems. os.path.exists should be used to check if the target exists before renaming. This does create a "Time Of Check to Time Of Use" bug, but it's unlikely to cause issues...
Why does Vim save files with a ~ extension?
...off those files, just add these lines to .vimrc (vim configuration file on unix based OS):
set nobackup #no backup files
set nowritebackup #only in case you don't want a backup file while editing
set noswapfile #no swap files
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socket.error: [Errno 48] Address already in use
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@seokhoonlee: also see the Unix signal article on Wikipedia.
– Martijn Pieters♦
Mar 17 '16 at 10:56
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What does collation mean?
...e, if you want all letters to be different (say, if you store filenames in UNIX), you use UTF8_BIN collation:
SELECT 'A' COLLATE UTF8_BIN = 'a' COLLATE UTF8_BIN
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If you want to ignore case and diacritics differences (say, for a search engine), you use UTF8_GENERAL_CI collation:
SELECT 'A...