大约有 35,100 项符合查询结果(耗时:0.0506秒) [XML]

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How do I convert a float number to a whole number in JavaScript?

I'd like to convert a float to a whole number in JavaScript. Actually, I'd like to know how to do BOTH of the standard conversions: by truncating and by rounding. And efficiently, not via converting to a string and parsing. ...
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JavaScript curry: what are the practical applications?

I don’t think I’ve grokked currying yet. I understand what it does, and how to do it. I just can’t think of a situation I would use it. ...
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while (1) Vs. for (;;) Is there a speed difference?

...perl -MO=Concise -e 'for(;;) { print "foo\n" }' a <@> leave[1 ref] vKP/REFC ->(end) 1 <0> enter ->2 2 <;> nextstate(main 2 -e:1) v ->3 9 <2> leaveloop vK/2 ->a 3 <{> enterloop(next->8 last->9 redo->4) v ->4 - <@> ...
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What's the Android ADB shell “dumpsys” tool and what are its benefits?

I'm looking for the full list of ADB shell dumpsys commands with a full explanation of all of the commands. 4 Answers ...
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Truncate (not round) decimal places in SQL Server

... JimmyJimmy 77.8k1616 gold badges113113 silver badges135135 bronze badges ...
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jquery IDs with spaces

Does anyone know how to select an item in the DOM by ID with jQuery, when that ID has a space? 11 Answers ...
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for each loop in Objective-C for accessing NSMutable dictionary

I am finding some difficulty in accessing mutable dictionary keys and values in Objective-C. 7 Answers ...
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How to print a float with 2 decimal places in Java?

... You can use the printf method, like so: System.out.printf("%.2f", val); In short, the %.2f syntax tells Java to return your variable (val) with 2 decimal places (.2) in decimal representation of a floating-point number (f) from the start of the format spe...
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]

...u DO need to use semicolons! jsfiddle.net/bTNc2 – jack Nov 15 '13 at 14:52 107 It's 2014 now, so ...
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Is there a simple, elegant way to define singletons? [duplicate]

...ways to define singletons in Python. Is there a consensus opinion on Stack Overflow? 21 Answers ...