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Check existence of directory and create if doesn't exist

... is there a reason you use paste( ... ) vs file.path(mainDir, subDir). Also if you did a path<- file.path(mainDir, subDir) you could reuse it 5 times making the if statements more readable. – MikeF Feb 26 '18...
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Prevent automatic browser scroll on refresh

...unload in this example does not triggered properly, even with jQuery 1.9.1 vs jQuery 1.8.3. onunload is unreliable. jsfiddle.net/6s4jhdug/3 (1.8.3) jsfiddle.net/frt45ue9 (1.9.1) – Telvin Nguyen Feb 13 '19 at 8:51 ...
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How to reference constants in EL?

...ou can classify the constants more neatly? eg: applicationScope.config.url vs applicationScope.url. – theyuv Aug 8 '17 at 14:58 ...
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android.content.res.Resources$NotFoundException: String resource ID #0x0

...ll setText to set it to the String value of this int. setText (int resid) vs setText (CharSequence text) share | improve this answer | follow | ...
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How do you iterate through every file/directory recursively in standard C++?

... FindNextFile functions. http://msdn.microsoft.com/en-us/library/aa365200(VS.85).aspx For recursive traversal of directories you must inspect each WIN32_FIND_DATA.dwFileAttributes to check if the FILE_ATTRIBUTE_DIRECTORY bit is set. If the bit is set then you can recursively call the function with...
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Does JavaScript have a built in stringbuilder class?

... I just rechecked the performance on http://jsperf.com/javascript-concat-vs-join/2. The test-cases concatenate or join the alphabet 1,000 times. In current browsers (FF, Opera, IE11, Chrome), "concat" is about 4-10 times faster than "join". In IE8, both return about equal results. In IE7, "join...
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Why can't Python's raw string literals end with a single backslash?

...tring. The usage statistics must favor the two character sequence anywhere vs. the one-character sequence at the end. – hobs Jan 30 '12 at 21:50
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In Node.js, how do I “include” functions from my other files?

...sing properties I would use exports instead of module.exports. For exports vs module.exports : stackoverflow.com/questions/5311334/… – Farm Dec 15 '13 at 3:21 ...
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What is the best way to conditionally apply a class?

... Curious on the use of ng-class:className vs just using class="{{className}}" ? – Roi Aug 6 '15 at 23:29 ...
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Pad a number with leading zeros in JavaScript [duplicate]

...ess of an undefined property always returns undefined. See "5" in Array(5) vs "0" in [1] – Benjamin Gruenbaum Jul 24 '14 at 11:56 4 ...