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Parse JSON in JavaScript? [duplicate]
... 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.fruit, obj....
Control cannot fall through from one case label
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answered Apr 25 '19 at 12:12
OuissalOuissal
98211 gold badge1010 silver badges3333 bronze badges
...
How to save an HTML5 Canvas as an image on a server?
...en from canvas tutorial)
<canvas id="myCanvas" width="578" height="200"></canvas>
<script>
var canvas = document.getElementById('myCanvas');
var context = canvas.getContext('2d');
// begin custom shape
context.beginPath();
context.moveTo(170, 80);
context.bezierCu...
Visually managing MongoDB documents and collections [closed]
...B (Core version is free for personal and non-commercial use). Last commit: 2017-Jul-24
Robo 3T – acquired by Studio 3T. A shell-centric cross-platform open source MongoDB management tool. Shell-related features only, e.g. multiple shells and results, autocomplete. No export/ import or other featur...
How do I compile and run a program in Java on my Mac?
...gt;makePlainText.
– Lewis Black
Mar 20 '17 at 11:55
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show 1 more comment
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How can one check to see if a remote file exists using PHP?
...ch, CURLINFO_HTTP_CODE);
// $retcode >= 400 -> not found, $retcode = 200, found.
curl_close($ch);
Anyway, you only save the cost of the HTTP transfer, not the TCP connection establishment and closing. And being favicons small, you might not see much improvement.
Caching the result locally s...
Postgres: INSERT if does not exist already
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Postgres 9.5 (released since 2016-01-07) offers an "upsert" command, also known as an ON CONFLICT clause to INSERT:
INSERT ... ON CONFLICT DO NOTHING/UPDATE
It solves many of the subtle problems you can run into when using concurrent operation, which ...
Team city unmet requirement: MSBuildTools12.0_x86_Path exists
I have a TeamCity install on x32 Server2008 windows machine. I've run the .net 4.5 web install. I've also copied over the files from my x64 machine based on this article so that I didn't need to install vs2012 (though, I did have the change the path to remove x86 on the 32bit machine):
...
Find all controls in WPF Window by type
...bj
– Johannes Wanzek
Oct 7 '14 at 5:25
1
@JohannesWanzek Don't forget you would also need to chan...
Python Dictionary Comprehension
...
Boris
4,69255 gold badges4242 silver badges5252 bronze badges
answered Jan 24 '13 at 17:53
mgilsonmgilson
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