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What is the Linux equivalent to DOS pause?
...5 -n1 -r -p 'Press any key in the next five seconds...' key
if [ "$?" -eq "0" ]; then
echo 'A key was pressed.'
else
echo 'No key was pressed.'
fi
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The 3 different equals
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answered Jan 14 '10 at 10:43
gnarfgnarf
99.4k2424 gold badges122122 silver badges158158 bronze badges
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How to check if character is a letter in Javascript?
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edited Sep 15 '14 at 13:06
answered Mar 25 '12 at 21:21
b...
How to use java.net.URLConnection to fire and handle HTTP requests?
...ookies) {
connection.addRequestProperty("Cookie", cookie.split(";", 2)[0]);
}
// ...
The split(";", 2)[0] is there to get rid of cookie attributes which are irrelevant for the server side like expires, path, etc. Alternatively, you could also use cookie.substring(0, cookie.indexOf(';')) instead...
How to pass a function as a parameter in Java? [duplicate]
...ing
}
then call it, perhaps using an anonymous inner class:
dansMethod(100, new Callable<Integer>() {
public Integer call() {
return methodToPass();
}
});
Keep in mind this is not a 'trick'. It's just java's basic conceptual equivalent to function pointers.
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How to use the IEqualityComparer
...f the function causes a big delay from the function without distinct, from 0.6 sec to 3.2 sec!
6 Answers
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How do I set vertical space between list items?
...n use margin. See the example:
http://jsfiddle.net/LthgY/
li{
margin: 10px 0;
}
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Difference between case object and object
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109
Case classes differ from regular classes in that they get:
pattern matching support
default i...
Rails: How can I set default values in ActiveRecord?
...n which you find the model. If you just want to initialize some numbers to 0 then this is not what you want.
Defining defaults in your migration also works part of the time... As has already been mentioned this will not work when you just call Model.new.
Overriding initialize can work, but don't for...
ffmpeg - Converting MOV files to MP4 [closed]
...as mentioned in the comments, which re-encodes with best quaility (-qscale 0):
ffmpeg -i input.mov -q:v 0 output.mp4
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