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JavaScript equivalent of PHP's in_array()
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There is now Array.prototype.includes:
The includes() method determines whether an array includes a certain
element, returning true or false as appropriate.
var a = [1, 2, 3];
a.includes(2); // true
a.includes(4); // false
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Are there constants in JavaScript?
...swer is still highly ranked by Google in 2015 it should be said that it is now obsolete. The const keyword is now officially part of the language and is supported by every browser. According to statcounter.com only a few percent of internet users still use old browser versions that didn't support co...
OpenShift rhc setup using multiple accounts
.... username?? OR password??... I think it would be nicer to clearly let us know that you mean <openshift-username>
– SourceVisor
Jun 5 '16 at 16:33
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jQuery UI sliders on touch devices
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Now I can move the slider-handle all over the page!! This is ridiculous.
– dezman
May 24 '13 at 15:17
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C# XML Documentation Website Link
... works in VS 16.4.2. Not sure what version it was added, only that you can now click links in the method info window.
– JB06
Jan 9 at 17:35
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Swift and mutating struct
...e manner with proper performance. They may add this feature later, but not now at least.
For Objective-C programmers, mutable/immutable concepts are very familiar. In Objective-C we had two separated classes for each concept, but in Swift, you can do this with one struct. Half work.
For C/C++ prog...
Retrieve a single file from a repository
... particular file.
Open the file in the browser and click on "Raw" button. Now refresh your browser, copy the url and do a wget or curl on it.
wget example:
wget 'https://github.abc.abc.com/raw/abc/folder1/master/folder2/myfile.py?token=DDDDnkl92Kw8829jhXXoxBaVJIYW-h7zks5Vy9I-wA%3D%3D' -O myfile....
Check if an array is empty or exists
...ypeof array.length; // => "number"
Case Empty Array
Now since we tested all other possibilities, we're talking to an instance of Array. In order to make sure it's not empty, we ask about number of elements it's holding, and making sure it has more than zero elements.
firstArr...
Why is exception handling bad?
...hose statements just randomly doesn't run, you end up in a world of pain. Now take away locks and concurrency, and think about each method like that. Think of each method as a transaction of permutations on object state, if you will. At the start of your method call, the object should be clean st...
What's this =! operator? [duplicate]
...ls' operator. This usage was deprecated by the creation of Standard C, so now it means 'assign the logical inverse', as in a = !b. This is a good argument for always surrounding binary operators with spaces, just to make it clear to the humans reading the code what the compiler is thinking.
I'm a...