大约有 43,072 项符合查询结果(耗时:0.0525秒) [XML]

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How to make “if not true condition”?

... | edited Jan 11 '17 at 5:06 heemayl 30.4k33 gold badges4242 silver badges5353 bronze badges ...
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Return positions of a regex match() in Javascript?

... 231 exec returns an object with a index property: var match = /bar/.exec("foobar"); if (match)...
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How to add calendar events in Android?

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convert '1' to '0001' in JavaScript [duplicate]

How can I convert convert '1' to '0001' in JavaScript without using any 3rd party libraries. I have done this in php using spritf: $time = sprintf('%04.0f',$time_arr[$i]); ...
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Benefits of using the conditional ?: (ternary) operator

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find without recursion

... I think you'll get what you want with the -maxdepth 1 option, based on your current command structure. If not, you can try looking at the man page for find. Relevant entry (for convenience's sake): -maxdepth levels Descend at most levels (a non-negative integer) leve...
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How to find the key of the largest value hash?

I have the following hash {"CA"=>2, "MI"=>1, "NY"=>1} 7 Answers 7 ...
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javascript remove “disabled” attribute from html input

... 201 Set the element's disabled property to false: document.getElementById('my-input-id').disabled =...
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What is that “total” in the very first line after ls -l? [closed]

... answered Sep 13 '11 at 12:18 MatMat 183k3333 gold badges357357 silver badges373373 bronze badges ...
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Replace specific characters within strings

... 410 With a regular expression and the function gsub(): group <- c("12357e", "12575e", "197e18",...