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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...
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...
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?
...
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...
Hidden features of Android development?
...dden, hidden features - but here's some of the less well known and non-intuitive features available for Android that will definitely make your life easier and your apps better.
All the source code for the platform and all the non-Google native apps is available for you to browse, download, borrow,...
What is the difference between a database and a data warehouse?
...RDMS). This is done to reduce redundant data and to save storage space.
Entity – Relational modeling techniques are used for RDMS database design.
Optimized for write operation.
Performance is low for analysis queries.
Data Warehouse
Used for Online Analytical Processing (OLAP). This reads th...
How to get Linux console window width in Python
... determine the width of the console? I mean the number of characters that fits in one line without wrapping, not the pixel width of the window.
...
How to detect page zoom level in all modern browsers?
...
Now it's an even bigger mess than it was when this question was first asked. From reading all the responses and blog posts I could find, here's a summary. I also set up this page to test all these methods of measuring the zoom le...