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Checking if a string array contains a value, and if so, getting its position
...ringArray, value);
if (pos > -1)
{
// the array contains the string and the pos variable
// will have its position in the array
}
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Angular.js: How does $eval work and why is it different from vanilla eval?
... $scope.$eval you so often see in directives, so I checked out the source and found the following in rootScope.js :
3 Ans...
What are “decorators” and how are they used?
...on online for decorators save for a blurb in the AngularJS documentation and a brief (albeit interesting) mention in a youtube video .
...
Union of dict objects in Python [duplicate]
...shahjapan This is not complex, this is great use of Python dict structure. And this is different from update (this solution is not updating anything).
– lajarre
Sep 13 '12 at 9:09
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Making a triangle shape using xml definitions?
...
In this post I describe how to do it. And here is the XML defining triangle:
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item>
<rotate
android:fromD...
How to dynamically compose an OR query filter in Django?
...eries there is also the option to use built in Q() object's constants Q.OR and Q.AND together with the add() method like so:
list = [1, 2, 3]
# it gets a bit more complicated if we want to dynamically build
# OR queries with dynamic/unknown db field keys, let's say with a list
# of db fields that c...
jQuery ajax error function
...
The required parameters in an Ajax error function are jqXHR, exception and you can use it like below:
$.ajax({
url: 'some_unknown_page.html',
success: function (response) {
$('#post').html(response.responseText);
},
error: function (jqXHR, exception) {
var msg = ...
Resizing an image in an HTML5 canvas
I'm trying to create a thumbnail image on the client side using javascript and a canvas element, but when I shrink the image down, it looks terrible. It looks as if it was downsized in photoshop with the resampling set to 'Nearest Neighbor' instead of Bicubic. I know its possible to get this to lo...
Is it possible to use the instanceof operator in a switch statement?
...en you can simply call do() on this.
If you are not free to change A, B, and C, you could apply the visitor pattern to achieve the same.
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Platform independent size_t Format specifiers in c?
...t), l (for long), ll (for long long), j (for intmax_t), t (for ptrdiff_t), and L (for long double). See §7.19.6.1 (7) of the C99 standard.
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