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Find all storage devices attached to a Linux machine [closed]
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/proc/partitions will list all the block devices and partitions that the system recognizes. You can then try using file -s <device> to determine what kind of filesystem is present on the partition, if any.
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How do I create a comma-separated list from an array in PHP?
I know how to loop through items of an array using foreach and append a comma, but it's always a pain having to take off the final comma. Is there an easy PHP way of doing it?
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Detect enter press in JTextField
...r while typing in a JTextField in java? Without having to create a button and set it as the default.
10 Answers
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PostgreSQL disable more output
...t, run it with -q or set QUIET=1 in the environment.
To produce results and throw them away you can redirect stdout to /dev/null with:
psql db -f sql.sql >/dev/null
You can redirect both stdout and stderr with:
psql db -f sql.sql >&/dev/null
but I don't recommend that, as it'll th...
What does 'wb' mean in this code, using Python?
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File mode, write and binary. Since you are writing a .jpg file, it looks fine.
But if you supposed to read that jpg file you need to use 'rb'
More info
On Windows, 'b' appended to the mode
opens the file in binary mode, so
there ar...
Setting an object to null vs Dispose()
I am fascinated by the way the CLR and GC works (I'm working on expanding my knowledge on this by reading CLR via C#, Jon Skeet's books/posts, and more).
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How to get the last value of an ArrayList
...seem very efficient to me. I come from C++, where there are actual front() and back() methods on the list object, that are internally implemented with head and tail references. Is there a similar mechanism in Java?
– Brady
Oct 13 '14 at 9:18
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Add centered text to the middle of a -like line
...he compatibility is not that bad (you can add all of old flexbox syntaxes) and it degrades gracefully.
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Stash changes while keeping the changes in the working directory in Git
Is there a git stash command that stashes your changes, but keeps them in the working directory too? So basically a git stash; git stash apply in one step?
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Is there a Subversion command to reset the working copy?
Is there a single Subversion command that would “reset” a working copy exactly to the state that’s stored in the repository? Something like git reset --hard or (ha, hard Git reset does not remove unversioned files either!) rm -rf wc && svn co <url> wc .
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