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Applications are expected to have a root view controller at the end of application launch
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community wiki
sho
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How to prevent a dialog from closing when a button is clicked
I have a dialog with EditText for input. When I click the "yes" button on dialog, it will validate the input and then close the dialog. However, if the input is wrong, I want to remain in the same dialog. Every time no matter what the input is, the dialog should be automatically closed when I clic...
Can multiple different HTML elements have the same ID if they're different elements?
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No.
Element IDs should be unique within the entire document.
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Python debugging tips [closed]
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PDB
You can use the pdb module, insert pdb.set_trace() anywhere and it will function as a breakpoint.
>>> import pdb
>>> a="a string"
>>> pdb.set_trace()
--Return--
> <stdin>(1)<module>()->None
(Pdb) p a
'a string'
(Pdb)
To continue execution us...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
What should be the HttpClient lifetime of a WebAPI client?
Is it better to have one instance of the HttpClient for multiple calls?
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JQuery - $ is not defined
...You have a botched version of jQuery. This could happen because someone edited the core file, or a plugin may have overwritten the $ variable.
You have JavaScript running before the page is fully loaded, and as such, before jQuery is fully loaded.
First of all, ensure, what script is call properl...
Parse JSON in JavaScript? [duplicate]
... to parse JSON in JavaScript is JSON.parse()
The JSON API was introduced with ES5 (2011) and has since been implemented in >99% of browsers by market share, and Node.js. Its usage is simple:
const json = '{ "fruit": "pineapple", "fingers": 10 }';
const obj = JSON.parse(json);
console.log(obj.fr...
Most efficient way to prepend a value to an array
...ise:
var a = [1, 2, 3, 4];
a.unshift(0);
a; // => [0, 1, 2, 3, 4]
[Edit]
This jsPerf benchmark shows that unshift is decently faster in at least a couple of browsers, regardless of possibly different big-O performance if you are ok with modifying the array in-place. If you really can't mutat...
Why is the Fibonacci series used in agile planning poker? [closed]
... of estimation grows much slower than the precision of estimation. In fact it grows as a logarithmic function. This is the reason for the higher uncertainty for larger items.
Determining the most optimal base of the exponential scale (normalization) is difficult in practise. The base corresponding ...
AngularJS - How to use $routeParams in generating the templateUrl?
...ce (which I would assume would be a better solution) I tried this thinking it might work:
angular.module('myApp', []).
config(function ($routeProvider, $routeParams) {
$routeProvider.when('/:primaryNav/:secondaryNav', {
templateUrl: 'resources/angular/templates/nav/'+$routeP...