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转：postfix安装Q&A 原文地址：http: bbs.chinaunix.net viewthread.php?tid=770141执照wangmingda老大的资料安装成功postfix（地址在这里http: www.extmail....
原文地址：http://bbs.chinaunix.net/viewthread.php?tid=770141
执照wangmingda老大...
How can I get file extensions with JavaScript?
...? '' : filename.split('.').slice(1).pop() || ''; This takes care of .file (Unix hidden, I believe) kind of files too. That is if you want to keep it as a one-liner, which is a bit messy to my taste.
– kooker
Jun 21 '14 at 4:00
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How to “log in” to a website using Python's Requests module?
... SSL certificates.
Extra:
To run this script from the command line on a UNIX based system place it in a directory, i.e. home/scripts and add this directory to your path in ~/.bash_profile or a similar file used by the terminal.
# Custom scripts
export CUSTOM_SCRIPTS=home/scripts
export PATH=$CUS...
How do I find out which settings.xml file maven is using
...F-8
OS name: "linux", version: "2.6.32-32-generic", arch: "i386", family: "unix"
[INFO] Error stacktraces are turned on.
[DEBUG] Reading global settings from /usr/java/apache-maven-3.0.3/conf/settings.xml
[DEBUG] Reading user settings from /home/myhome/.m2/settings.xml
...
In this output, you can ...
Argument list too long error for rm, cp, mv commands
I have several hundred PDFs under a directory in UNIX. The names of the PDFs are really long (approx. 60 chars).
27 Answers...
How can I explicitly free memory in Python?
.... and a why it isn't released is here.
I have heard people on Linux and Unix-type systems forking a python process to do some work, getting results and then killing it.
This article has notes on the Python garbage collector, but I think lack of memory control is the downside to managed memory
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Multiple commands on a single line in a Windows batch file
In Unix, we can put multiple commands in a single line like this:
1 Answer
1
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How can I delete a newline if it is the last character in a file?
...://pubs.opengroup.org/onlinepubs/009696799/utilities/echo.html and https://unix.stackexchange.com/a/65819)
A guide to the other answers:
If Perl is available, go for the accepted answer - it is simple and memory-efficient (doesn't read the whole input file at once).
Otherwise, consider ghostdo...
How do I include a file over 2 directories back?
... whether absolute (starting with a drive letter
or \ on Windows, or / on Unix/Linux systems) or relative to the
current directory (starting with . or ..) — the include_path will be
ignored altogether.
share
...
Get just the filename from a path in a Bash script [duplicate]
...
Most UNIX-like operating systems have a basename executable for a very similar purpose (and dirname for the path):
pax> a=/tmp/file.txt
pax> b=$(basename $a)
pax> echo $b
file.txt
That unfortunately just gives you the ...