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Different types of thread-safe Sets in Java
... copies the array. Iterations and other accesses which are running at this time continue with the old array, avoiding necessity of synchronization between readers and writers (though writing itself needs to be synchronized). The normally fast set operations (especially contains()) are quite slow her...
How to comment out a block of Python code in Vim
I was wondering if there was any key mapping in Vim to allow me to indent certain lines of code (whether those lines have been selected in visual mode, or n lines above/below current cursor position).
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How to make an alert dialog fill 90% of screen size?
...hen they are set. (I guess that the layout engine must set them the first time the dialog is shown, or something.)
It would be better to do this by extending Theme.Dialog, then you wouldn't have to play a guessing game about when to call setAttributes. (Although it's a bit more work to have the ...
Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
...create an object
Object writeLock = new Object();
And from now on every time a producers wants to add a new message we just lock on that:
synchronized(writeLock){
// do something
}
So consumers may still read, and producers will be locked.
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django order_by query set, ascending and descending
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models.somModalName.all().order_b('-date/time')
– Shedrack
Apr 29 at 10:32
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How to fluently build JSON in Java?
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unfortunately not in maven central at this time, see github.com/HknL/JsonBuilder/issues/8
– dschulten
May 21 '18 at 5:44
add a comment
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How to turn NaN from parseInt into 0 for an empty string?
Is it possible somehow to return 0 instead of NaN when parsing values in JavaScript?
18 Answers
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Removing whitespace from strings in Java
I have a string like this:
35 Answers
35
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Does Swift support reflection?
...e debugging in Xcode. Protocol Mirror actually quotes the word IDE several times.
– Sulthan
Jun 6 '14 at 7:50
7
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Creating a byte array from a stream
...ther the optimisation makes sense in your context is the comparison of the time taken to do millions of type conversions against the time taken to copy the one that's a MemoryStream into another MemoryStream.
– Nathan Phillips
Sep 22 '15 at 14:47
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