大约有 3,285 项符合查询结果(耗时:0.0240秒) [XML]
Count the number occurrences of a character in a string
...tly is that Counter calculates all the counts ONE TIME, which is almost as fast as doing mystring.count('a') one time. Thus, if you do this 20 times, you are saving maybe 10 times the computation time. Counter also can tell you if an item is in the string: for example, if 'a' in counter:
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Remove duplicate lines without sorting [duplicate]
...andomly placed) duplicate lines that the result is only 39KB. Sufficiently fast.
– ynn
Jul 24 '19 at 14:09
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XMLHttpRequest status 0 (responseText is empty)
... status=0 and the server is not running but the error's alert is showed me fast....how much time passes for "request time out"?
– user11751709
Dec 21 '19 at 16:39
add a commen...
Deleting Objects in JavaScript
...he background ->
http://coding.smashingmagazine.com/2012/11/05/writing-fast-memory-efficient-javascript/
It appears it may be better to null the reference than to delete it as that may change the behind-the-scenes 'class' Chrome uses.
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Scala Doubles, and Precision
...ed the problem that @ryryguy pointed out. (Thanks!)
If you want it to be fast, Kaito has the right idea. math.pow is slow, though. For any standard use you're better off with a recursive function:
def trunc(x: Double, n: Int) = {
def p10(n: Int, pow: Long = 10): Long = if (n==0) pow else p10(...
Print newline in PHP in single quotes
... I haven't tested it but I would bet that using double quotes is faster than using printf or string catenation in general.
– Mikko Rantalainen
May 8 '13 at 6:10
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How to append data to div using JavaScript?
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If you want to do it fast and don't want to lose references and listeners use: .insertAdjacentHTML();
"It does not reparse the element it is being used on and thus it does not corrupt the existing elements inside the element. This, and avoiding ...
Java / Android - How to print out a full stack trace?
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I fast did now a recursive function which will iterate the throwable and throwable.getCause().
That's because every "throwable.getCause()" return to you a new exception message with some lines repeated and new lines.
So the the...
Any good, visual HTML5 Editor or IDE? [closed]
...Aptana Studio 3 beta supports the latest HTML5 specifications and is quite fast (compared to version 2). There is a standalone and an Eclipse pug-in version available.
UPDATE: Final release available (same link)
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Cocoa Core Data efficient way to count entities
...is in the simulator with a 400,000+ object count and the result was fairly fast (though not instantaneous).
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