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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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Differences between fork and exec
... edited Mar 21 '19 at 22:32
DaytimeWind
1133 bronze badges
answered Oct 31 '09 at 4:31
paxdiablopaxdiablo
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What is the difference between sigaction and signal?
... its first action. It also opens up a window of vulnerability between the time when the signal is detected and the handler is reinstalled during which if a second instance of the signal arrives, the default behaviour (usually terminate, sometimes with prejudice - aka core dump) occurs.
The exact be...
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 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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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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Is delete this allowed?
...cally. Others consider it a perfectly reasonable idiom, and use it all the time. Personally, I'm somewhere in the middle: I rarely use it, but don't hesitate to do so when it seems to be the right tool for the job.
The primary time you use this technique is with an object that has a life that's alm...
how to pass an integer as ConverterParameter?
...you to specify. Not exactly sure whether this is really used by at compile-time or run-time at all. In terms of the original posters question he specified that "i need it to be an integer. of course i can parse the string, but do i have to?" So my answer alleviates that in that there is no parsing o...