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How to get key names from JSON using jq
curl http://testhost.test.com:8080/application/app/version | jq '.version' | jq '.[]'
7 Answers
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How to encode a URL in Swift [duplicate]
...rSet.urlQueryAllowed)
let urlpath = String(format: "http://maps.googleapis.com/maps/api/geocode/json?address=\(escapedAddress)")
Use stringByAddingPercentEncodingWithAllowedCharacters:
var escapedAddress = address.stringByAddingPercentEncodingWithAllowedCharacters(NSCharacterSet.URLQueryAllowedC...
How do I pick randomly from an array?
...m glad you pointed out the versioning; I am using 1.9.2. apidock (mladen's comment) does not have sample; neither does ruby-doc. In your opinion, what is the best reference for Ruby, updated to 1.9?
– Paul Hoffer
Aug 15 '10 at 1:15
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How to join two JavaScript Objects, without using JQUERY [duplicate]
...orEach(key => result[key] = obj2[key]);
3 - Object.assign():
(Browser compatibility: Chrome: 45, Firefox (Gecko): 34, Internet Explorer: No support, Edge: (Yes), Opera: 32, Safari: 9)
const result = Object.assign({}, obj1, obj2);
4 - Spread Operator:
Standardised from ECMAScript 2015 (6th ...
Using Git with an existing Xcode project
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GitHub has some very good git tutorials at help.github.com.
to do the initial setup of a repository, open up a terminal window, and CD to the project directory. once there, type
git init
git add .
git commit -m "Initial commit"
Restart Xcode.
The repository should now be se...
How to use concerns in Rails 4
...with code reuse as in the example below. Basically, the idea is to extract common and / or context specific chunks of code in order to clean up the models and avoid them getting too fat and messy.
As an example, I'll put one well known pattern, the taggable pattern:
# app/models/product.rb
class P...
Locking a file in Python
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As noted by a comment at the blog post, this solution isn't "perfect", in that it's possible for the program to terminate in such a way that the lock is left in place and you have to manually delete the lock before the file becomes accessi...
jQuery - Trigger event when an element is removed from the DOM
...s very helpful. I learned that this functionality is within the "Widget" component of jQuery UI if you aren't looking to download the whole UI library.
– Neil
May 10 '13 at 16:47
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How to force file download with PHP
...out built-in PHP function readfile
$file_url = 'http://www.myremoteserver.com/file.exe';
header('Content-Type: application/octet-stream');
header("Content-Transfer-Encoding: Binary");
header("Content-disposition: attachment; filename=\"" . basename($file_url) . "\"");
readfile($file_url);
Also...