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How to save an HTML5 Canvas as an image on a server?
...feeScript syntax.
if you want to use javascript, please paste the code to http://js2.coffee
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Capybara Ambiguity Resolution
...ick_link(link_name, match: :first)
You can find more information here:
http://taimoorchangaizpucitian.wordpress.com/2013/09/06/capybara-click-link-different-cases-and-solutions/
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Call a function after previous function is complete
...dit: Updated blog link:
Rebecca Murphy had a great write-up on this here: http://rmurphey.com/blog/2010/12/25/deferreds-coming-to-jquery/
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How to create has_and_belongs_to_many associations in Factory girl
...n updated and now includes callbacks to solve this problem. Take a look at http://robots.thoughtbot.com/post/254496652/aint-no-calla-back-girl for more info.
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Recursion in Angular directives
...use ng-repeat then you will not have to manually remove elements.
Demo: http://jsfiddle.net/KNM4q/113/
.directive('tree', function ($compile) {
return {
restrict: 'E',
terminal: true,
scope: { val: '=', parentData:'=' },
link: function (scope, element, attrs) {
var templa...
Comparing date part only without comparing time in JavaScript
...
I know this is an old question, but it comes up first in google when searching. Be careful with this answer. This will give incorrect answers if the user is not in the same time zone as the creator of the date object. For example, change the timezone on your computer's OS to East C...
What are the -Xms and -Xmx parameters when starting JVM?
...ady been addressed above.
Just adding part of the default values.
As per http://docs.oracle.com/cd/E13150_01/jrockit_jvm/jrockit/jrdocs/refman/optionX.html
The default value of Xmx will depend on platform and amount of memory available in the system.
...
Unique Key constraints for multiple columns in Entity Framework
...ome time to do it. I will just show you the idea behind it:
In this link http://code.msdn.microsoft.com/CSASPNETUniqueConstraintInE-d357224a
you can find the code for unique key data annotation:
[UniqueKey] // Unique Key
public int FirstColumn { get; set;}
[UniqueKey] // Unique Key
public i...
How to access parent scope from within a custom directive *with own scope* in AngularJS?
...t access the scope in the directive's compile function (as mentioned here: https://github.com/angular/angular.js/wiki/Understanding-Directives). You can access the directive's scope in the link function.
Watching:
For 1. and 2. above: normally you specify which parent property the directive needs...
Handling colon in element ID with jQuery
...t a bit more readable and then output to the page.
Here's the jbin link:
http://jsbin.com/ujajuf/14/edit.
Also, I ran it with more iterations
Iterations:1000000
Results:
12794 $("#annyoing\\:colon")
12954 $("[id='annyoing:colon']"
754 $(document.getElementById("annyoing:colon"))
3294 ...