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What must I know to use GNU Screen properly? [closed]
I've just introduced a friend to GNU Screen and they're having a hard time getting used to it. That makes me think about the essential things he needs to know about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What ar...
CSS horizontal centering of a fixed div?
I know this question is a million times out there, however I can't find a solution to my case.
I've got a div, which should be fixed on the screen, even if the page is scrolled it should always stay CENTERED in the middle of the screen!
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Permutations in JavaScript?
I'm trying to write a function that does the following:
35 Answers
35
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How to see top processes sorted by actual memory usage?
I have a server with 12G of memory. A fragment of top is shown below:
12 Answers
12
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How to pass in password to pg_dump?
I'm trying to create a cronjob to back up my database every night before something catastrophic happens. It looks like this command should meet my needs:
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decompiling DEX into Java sourcecode
How can one decompile Android DEX (VM bytecode) files into corresponding Java sourcecode?
17 Answers
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git rebase, keeping track of 'local' and 'remote'
When doing a git rebase, I often have difficulty working out what is happening with the 'local' and 'remote' when resolving conflicts. I sometimes have the impression that they swap sides from one commit to the next.
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How do I use vimdiff to resolve a git merge conflict?
...; fix conflicts and then commit the result. Now I ran git mergetool and vimdiff opened with the image below. I don't know how to use vimdiff. What does each panel here mean and how should I proceed to fix the merge conflict?
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ExecutorService, how to wait for all tasks to finish
What is the simplest way to to wait for all tasks of ExecutorService to finish? My task is primarily computational, so I just want to run a large number of jobs - one on each core. Right now my setup looks like this:
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