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Installing libv8 gem on OS X 10.9+
... to use a pre-existing version of the V8 engine (en.wikipedia.org/wiki/V8_(JavaScript_engine)) rather than compiling one yourself. It's the compilation that is an issue in mavericks as the C++ compilers have changed. You can compile libV8 yourself using the instructions here (stackoverflow.com/a/196...
Passing arguments to angularjs filters
...
Extending on pkozlowski.opensource's answer and using javascript array's builtin filter method a prettified solution could be this:
.filter('weDontLike', function(){
return function(items, name){
return items.filter(function(item) {
return item.name != n...
Check if a string is null or empty in XSLT
...you can't simply check if CategoryName is instantiated, because unlike say Javascript
<xsl:if test="CategoryName">
Hello World.
</xsl:if>
Will return true for a null element.
share
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Origin is not allowed by Access-Control-Allow-Origin
...Are there any security concerns with this? This answer, for example, says "JavaScript is limited by the "same origin policy" for security reasons, For example, a malicious script cannot contact a remote server and send sensitive data from your site."
– JohnK
No...
Handle ModelState Validation in ASP.NET Web API
...s is using Good Old HTTP Status Codes like 200 OK and so on. That way your JavaScript can properly handle failures using the correct callbacks (error, success etc).
Here's a nice tutorial on a more advanced version of this method, using an ActionFilter and jQuery: http://asp.net/web-api/videos/gett...
Convert RGB to RGBA over white
...y:
0 = (m - 1) / a' + 1
-1 = (m - 1) / a'
-a' = m - 1
a' = 1 - m
So, in javascript (translating from 1 to 255 along the way):
function rgba(r, g, b) {
var a = 1 - Math.min(r, Math.min(g, b)) / 255;
return [255 + (r - 255) / a, 255 + (g - 255) / a, 255 + (b - 255) / a, a];
}
Note that I...
How to read from stdin line by line in Node
...statement with .on(), that code will run before any input is read, because JavaScript isn’t synchronous.
– Rory O'Kane
Jan 23 '16 at 10:31
...
jQuery “Does not have attribute” selector?
...
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How can I run a directive after the dom has finished rendering?
... Your linked explanations explain why the timeout trick works in JavaScript, but not in the context of AngularJS. From the official documentation: "[...] 4. The $evalAsync queue is used to schedule work which needs to occur outside of current stack frame, but before the browser's view rend...
angular.element vs document.getElementById or jQuery selector with spin (busy) control
...erySelector( '#some-id' ) );
You wrap the Document.querySelector() native Javascript call into the angular.element() call. So you always get the element in a jqLite or jQuery object, depending whether or not jQuery is available/loaded.
Official documentation for angular.element:
If jQuery is avail...