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How can I extract audio from video with ffmpeg?
...dec copy output-audio.aac
-vn is no video.
-acodec copy says use the same audio stream that's already in there.
Read the output to see what codec it is, to set the right filename extension.
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How does database indexing work? [closed]
...en that indexing is so important as your data set increases in size, can someone explain how indexing works at a database-agnostic level?
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What's the difference between isset() and array_key_exists()? [duplicate]
...always advocate only using isset() because I think that NULL should always mean exactly the same as NO VALUE or NOT SET, to avoid ambiguousness.
– jgivoni
Mar 27 '12 at 9:50
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MySQL case insensitive select
Can anyone tell me if a MySQL SELECT query is case sensitive or case insensitive by default? And if not, what query would I have to send so that I can do something like:
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How to properly exit a C# application?
...thly then I was bombarded by a lot of child windows with which I have put MessageBox Alerts.
8 Answers
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How to add images to README.md on GitHub?
Recently I joined GitHub . I hosted some projects there.
32 Answers
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Moving Git repository content to another repository preserving history
...out master
git remote add r1remote **url-of-repo1**
git fetch r1remote
git merge r1remote/master --allow-unrelated-histories
git remote rm r1remote
After that repo2/master will contain everything from repo2/master and repo1/master, and will also have the history of both of them.
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Unix shell script find out which directory the script file resides?
...hell script file location, how can I change the current directory to the same directory as where the script file resides?
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javax vs java package
...thing - if a package is introduced as an addition to an existing JRE, it comes in as javax. If it's first introduced as part of a JRE (like NIO was, I believe) then it comes in as java. Not sure why the new date and time API will end up as javax following this logic though... unless it will also be ...
jQuery get mouse position within an element
... mouse, then let up on the mouse in order to indicate how long they want something to be. (This is for a calendar control, so the user will be indicating the length, in time, of a certain event)
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