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How do I check if a directory exists? “is_dir”, “file_exists” or both?
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Both would return true on Unix systems - in Unix everything is a file, including directories. But to test if that name is taken, you should check both. There might be a regular file named 'foo', which would prevent you from creating a directory name '...
Iterate over each line in a string in PHP
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To match Unix LF (\n), MacOS<9 CR (\r), Windows CR+LF (\r\n) and rare LF+CR (\n\r) it should be: /((\r?\n)|(\n?\r))/
– Waiting for Dev...
Mar 7 '12 at 16:09
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How can I detect if a file is binary (non-text) in python?
...ess_types is based on the file name extension, not the real content as the Unix command "file" would do.
– Eric H.
Jun 20 '17 at 7:00
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Need a good hex editor for Linux [closed]
...at out. On a somewhat-related note, you can change the file format between unix/max/windows by using :set ff=[unix/mac/dos], to ensure vim uses the correct line endings for the target system.
– Braden Best
Feb 3 '18 at 5:24
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How do I set the proxy to be used by the JVM
...g your JVM on the command line.
This is usually done in a shell script (in Unix) or bat file (in Windows). Here's the example with the Unix shell script:
JAVA_FLAGS=-Dhttp.proxyHost=10.0.0.100 -Dhttp.proxyPort=8800
java ${JAVA_FLAGS} ...
When using containers such as JBoss or WebLogic, my solutio...
How to pass in password to pg_dump?
...but still unable to succesfully create my backup file. Please see my link: unix.stackexchange.com/questions/257898/… . Thank you.
– alyssaeliyah
Jan 27 '16 at 1:56
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How to avoid .pyc files?
...ipfile to your sys.path and then import them.
If you're building this for UNIX, you might also consider packaging your script using this recipe: unix zip executable, but note that you might have to tweak this if you plan on using stdin or reading anything from sys.args (it CAN be done without too ...
Windows recursive grep command-line
I need to do a recursive grep in Windows, something like this in Unix/Linux:
8 Answers
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Group vs role (Any real difference?)
... role admin or role engineer does that.
This is superficially similar to UNIX groups where a user can/might be able to assign himself to a group (via sudo of course.) When groups are assigned according to a security engineering process, the distinction blurs a bit, however.
Another important char...
Output to the same line overwriting previous output?
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unfortunately, curses is only available on Unix. the OP did not tell us which operating system his application is targeting...
– Adrien Plisson
Feb 4 '11 at 11:28
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