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Does JavaScript guarantee object property order?
... iteration order is a combination of the insertion order for strings keys, and ascending order for number-like keys:
// key order: 1, foo, bar
const obj = { "foo": "foo", "1": "1", "bar": "bar" }
Using an array or a Map object can be a better way to achieve this. Map shares some similarities with O...
Why is the minimalist, example Haskell quicksort not a “true” quicksort?
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The true quicksort has two beautiful aspects:
Divide and conquer: break the problem into two smaller problems.
Partition the elements in-place.
The short Haskell example demonstrates (1), but not (2). How (2) is done may not be obvious if you don't already know the technique!...
{version} wildcard in MVC4 Bundle
...d, they clearly explain it here! asp.net/mvc/overview/performance/bundling-and-minification Thank you!
– Jon Koeter
Sep 12 '16 at 7:23
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sh...
Facebook development in localhost
...o use FB authentication for a localhost website.
I find it more scalable and convenient to set up a second Facebook app. If I'm building MyApp, then I'll make a second one called MyApp-dev.
Create a new app at https://developers.facebook.com/apps
(New 2/15/2012) Click the Website checkbox under...
How to have a default option in Angular.js select box
I have searched Google and can't find anything on this.
23 Answers
23
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How do I specify “close existing connections” in sql script
I'm doing active development on my schema in SQL Server 2008 and frequently want to rerun my drop/create database script. When I run
...
How do I fix “Failed to sync vcpu reg” error?
...HAX x86 emulator for Windows (8, if that matters). I installed everything and created an AVD for the android version, and everything appears correct, but when I run it, I get this output:
...
css rotate a pseudo :after or :before content:“”
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Inline elements can't be transformed, and pseudo elements are inline by default, so you must apply display: block or display: inline-block to transform them:
#whatever:after {
content:"\24B6";
display: inline-block;
-webkit-transform: rotate(30deg);...
Flask-SQLalchemy update a row's information
...like this 'db.add(user)' then 'dv.session.commit()'. Why do the both work? and what's the difference?
– pocorschi
Jul 15 '11 at 7:21
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PHP: How to send HTTP response code?
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I just found this question and thought it needs a more comprehensive answer:
As of PHP 5.4 there are three methods to accomplish this:
Assembling the response code on your own (PHP >= 4.0)
The header() function has a special use-case that detects...