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How to check if a variable is null or empty string or all whitespace in JavaScript?
...mpty spaces or for that matter just blank.
So while yes, "white space" encompasses more than null, spaces or blank my answer is intended to answer op's specific question. This is important because op may NOT want to catch things like tabs, for example.
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Create a string with n characters
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The for loop will be optimized by the compiler. In such cases like yours you don't need to care about optimization on your own. Trust the compiler.
BTW, if there is a way to create a string with n space characters, than it's coded the same way like you just did....
How to create cron job using PHP?
...st explanation with code in PHP I have found so far:
http://code.tutsplus.com/tutorials/managing-cron-jobs-with-php--net-19428
In short:
Although the syntax of scheduling a new job may seem daunting at first glance, it's actually relatively simple to understand once you break it down. A cron job ...
What Android tools and methods work best to find memory/resource leaks? [closed]
...
Get the Eclipse Memory Analyzer ( http://www.eclipse.org/mat/)
Check http://kohlerm.blogspot.com/2010/02/android-memory-usage-analysis-slides.html
and http://kohlerm.blogspot.com/search/label/memory
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How do I replace a character at a particular index in JavaScript?
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How do I parse a string to a float or int?
...ed Dec 19 '08 at 1:54
Harley HolcombeHarley Holcombe
145k1515 gold badges6666 silver badges6262 bronze badges
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What's the best way to retry an AJAX request on failure using jQuery?
...ry on fail
$.ajax({
type : 'GET',
url : 'http://www.whatever123.gov',
timeout : 2000,
retries : 3, // <-------- Optional
retryInterval : 2000 // <-------- Optional
})
// Problem: "fail" will only be called once, and not for e...
This version of the application is not configured for billing through Google Play
...or the Google IAB testing.
Prerequisites:
AndroidManifest must include "com.android.vending.BILLING" permission.
APK is built in release mode.
APK is signed with the release certificate(s). (Important: with "App Signing by Google Play" it only works if you download directly from GooglePlayStore!)...
What are the most common non-BMP Unicode characters in actual use? [closed]
...codepoints, ranges outside the BMP (Basic Multilingual Plane) are the most common so far? These are the ones which require 4 bytes in UTF-8 or surrogates in UTF-16.
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Regular Expression to get a string between parentheses in Javascript
... +1 Nice, worked like a charm. I would like to add you to add this tinyurl.com/mog7lr3 in your for a visual explanation.
– Praveen
Sep 26 '13 at 6:59
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