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Unix command to prepend text to a file
..."to be prepended") < text.txt | sponge text.txt
EDIT: Looks like this doesn't work in Bourne Shell /bin/sh
Here String (zsh only)
Using a here-string - <<<, you can do:
<<< "to be prepended" < text.txt | sponge text.txt
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Running code in main thread from another thread
... your code
};
mainHandler.post(myRunnable);
2. If your background thread does not have (or need) a Context object
(suggested by @dzeikei):
// Get a handler that can be used to post to the main thread
Handler mainHandler = new Handler(Looper.getMainLooper());
Runnable myRunnable = new Runnable()...
stop all instances of node.js server
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thanks @hexacyanide . I am developing on windows. Does that make killall node an invalid command because I cannot use it from command line.
– Kiran Ambati
Feb 9 '13 at 20:10
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'transform3d' not working with position: fixed children
...n the spec as far as I can tell. See Bug 16328 - Use of "containing block" does not match CSS2.1 definition.
– thirdender
Dec 11 '14 at 11:07
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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 do I apply the for-each loop to every character in a String?
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Elegant, but unfortunately it doesn't work if any elements of the string being split() map to more than one Java character, which is the case for almost all emoticons. For example, this variation of your example will loop four times rather than three: for...
Cast List to List
...y code from using List<T> to use IEnumerable<T>. Although this does not answer the OP's original question of How can I cast List<Client> to List<IDic>, it does avoid the need to do so and thus may be helpful to others who encounter this issue. This of course assumes that the ...
Change Bootstrap input focus blue glow
Does anyone know the how to change Bootstrap's input:focus ? The blue glow that shows up when you click on an input field?
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Maven plugins can not be found in IntelliJ
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Run a Force re-import from the maven tool window. If that does not work, Invalidate your caches (File > Invalidate caches) and restart. Wait for IDEA to re-index the project.
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Try/Catch block in PHP not catching Exception
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Yes! also: "use \Exception as Exception;" at the top does the same thing.
– sivann
Mar 16 '16 at 15:28
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