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Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
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Instances of Buffer are also instances of Uint8Array in node.js 4.x and higher. Thus, the most efficient solution is to access the buf.buffer property directly, as per https://stackoverflow.com/a/31394257/1375574. The Buffer constructor also takes an ArrayBufferView argument if you need to ...
Performance of FOR vs FOREACH in PHP
First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and...
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Easy way of running the same junit test over and over?
...est as a parametrized test (annotate with an @RunWith(Parameterized.class) and add a method to provide 10 empty parameters). That way the framework will run the test 10 times.
This test would need to be the only test in the class, or better put all test methods should need to be run 10 times in the...
Python `if x is not None` or `if not x is None`?
...he if not x is None version to be more clear, but Google's style guide and PEP-8 both use if x is not None . Is there any minor performance difference (I'm assuming not), and is there any case where one really doesn't fit (making the other a clear winner for my convention)?*
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curl -GET and -X GET
...efixed with a X, but also offers the same methods without. I've tried both and I can't seem to figure out the difference. Can someone explain to me quickly how these two operations differ?
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What is the exact meaning of Git Bash?
...I know now the basic operations such as commit , push , pull , fetch , and merge . But I still don't know what Git Bash itself actually is!
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Keyboard shortcut for Jump to Previous View Location (Navigate back/forward) in IntelliJ IDEA
...(the Recently Edited Files pop-up).
Mac users, replace Ctrl with ⌘ (command) and Alt with ⌥ (option).
Update In v12.0 it's Alt + Shift +← (Left Arrow) instead of Alt + Ctrl + ← (Left Arrow).
Update 2 In v14.1 (and possibly earlier) it's Ctrl + [
Update 3 In IntelliJ IDEA 2016.3 it's C...
What is more efficient? Using pow to square or just multiply it with itself?
What of these two methods is in C more efficient? And how about:
7 Answers
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Does Haskell require a garbage collector?
...ser types "clear"; so the lifetime of this must be determined dynamically, and this is why dynamic memory management is necessary.
So in this sense, automated dynamic memory allocation is necessary, and in practice this means: yes, Haskell requires a garbage collector, since garbage collection is t...
ssh remote host identification has changed
I've reinstalled my server and I am getting these messages:
28 Answers
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