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Array vs. Object efficiency in JavaScript
...The short version: Arrays are mostly faster than objects. But there is no 100% correct solution.
Update 2017 - Test and Results
var a1 = [{id: 29938, name: 'name1'}, {id: 32994, name: 'name1'}];
var a2 = [];
a2[29938] = {id: 29938, name: 'name1'};
a2[32994] = {id: 32994, name: 'name1'};
var o = ...
SPA best practices for authentication and session management
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+50
This question has been addressed, in a slightly different form, at length, here:
RESTful Authentication
But this addresses it from ...
Encode html entities in javascript
... code would look something like this:
var encodedStr = rawStr.replace(/[\u00A0-\u9999<>\&]/gim, function(i) {
return '&#'+i.charCodeAt(0)+';';
});
This code will replace all characters in the given range (unicode 00A0 - 9999, as well as ampersand, greater & less than) with th...
Calculating days between two dates with Java
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UPDATE: The original answer from 2013 is now outdated because some of the classes have been replaced. The new way of doing this is using the new java.time classes.
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd MM yyyy");
String inputString1 = "23 0...
Sort objects in an array alphabetically on one property of the array
...UpperCase();
return (textA < textB) ? -1 : (textA > textB) ? 1 : 0;
});
note: changing the case (to upper or lower) ensures a case insensitive sort.
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The smallest difference between 2 Angles
...his gives a signed angle for any angles:
a = targetA - sourceA
a = (a + 180) % 360 - 180
Beware in many languages the modulo operation returns a value with the same sign as the dividend (like C, C++, C#, JavaScript, full list here). This requires a custom mod function like so:
mod = (a, n) ->...
How to remove trailing whitespaces with sed?
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How can I convert tabs to spaces in every file of a directory?
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edited Jun 20 at 9:12
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answered Jun 19 '12 at 4:35
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How do I create a right click context menu in Java Swing?
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edited Mar 19 '19 at 17:06
Ahmed Ashour
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