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Run JavaScript when an element loses focus
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From w3schools.com: Made compatible with Firefox Sept, 2016
<input type="text" onfocusout="myFunction()">
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How does Python manage int and long?
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From python 3.x, the unified integer libries are even more smarter than older versions. On my (i7 Ubuntu) box I got the following,
>>> type(math.factorial(30))
<class 'int'>
For implementation details refer ...
Apply style ONLY on IE
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Apart from the IE conditional comments, this is an updated list on how to target IE6 to IE10.
See specific CSS & JS hacks beyond IE.
/***** Attribute Hacks ******/
/* IE6 */
#once { _color: blue }
/* IE6, IE7 */
#doce { *co...
Move to another EditText when Soft Keyboard Next is clicked on Android
...'Next', the focus on the User EditText must be move to the Password. Then, from Password, it must move to the right and so on. Can you help me on how to code it?
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How to Sign an Already Compiled Apk
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Automated Process:
Use this tool (uses the new apksigner from Google):
https://github.com/patrickfav/uber-apk-signer
Disclaimer: Im the developer :)
Manual Process:
Step 1: Generate Keystore (only once)
You need to generate a keystore once and use it to sign your unsigned apk...
ListBox vs. ListView - how to choose for data binding
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A ListView is a specialized ListBox (that is, it inherits from ListBox). It allows you to specify different views rather than a straight list. You can either roll your own view, or use GridView (think explorer-like "details view"). It's basically the multi-column listbox, the cou...
Undoing a 'git push'
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The accepted solution (from @charles bailey) is highly dangerous if you are working in a shared repo.
As a best practice, all commits pushed to a remote repo that is shared should be considered 'immutable'.
Use 'git revert' instead:
http://www.k...
Case-Insensitive List Search
...word in the Text property, you can create a list of keywords and remove it from list of books:
List<Book> listToSearch = new List<Book>()
{
new Book(){
BookId = 1,
CreatedDate = new DateTime(2014, 5, 27),
Text = " test voprivreda...",
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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
...f the operator is falsy. Note that the result of myVariable3 below differs from myVariable3 above.
const myVariable = a?.b?.c || 'Some other value';
// Evaluates to 'Some other value'
const myVariable2 = null || 'Some other value';
// Evaluates to 'Some other value'
const myVariable3 = '' || 'Some...
Check if an array is empty or exists
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Short and quick! It took me a while coming from C# to get used to if(obj) to check for null, but now I love it: if(obj) // null check; if(array && array.length) // array null or empty check; if(array && !array.length) // array exists, but empty check; ...