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Easiest way to check for an index or a key in an array?
... "Correct usage: exists {key} in {array}"
return
fi
eval '[ ${'$3'[$1]+muahaha} ]'
}
For example
if ! exists key in array; then echo "No such array element"; fi
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Remove border radius from Select tag in bootstrap 3
...9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuMC1jMDYwIDYxLjEzNDc3NywgMjAxMC8wMi8xMi0xNzozMjowMCAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLX...
Remove duplicate rows in MySQL
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A really easy way to do this is to add a UNIQUE index on the 3 columns. When you write the ALTER statement, include the IGNORE keyword. Like so:
ALTER IGNORE TABLE jobs
ADD UNIQUE INDEX idx_name (site_id, title, company);
This will drop all the duplicate rows. As an added benefit...
Enabling HTTPS on express.js
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In express.js (since version 3) you should use that syntax:
var fs = require('fs');
var http = require('http');
var https = require('https');
var privateKey = fs.readFileSync('sslcert/server.key', 'utf8');
var certificate = fs.readFileSync('sslcert/ser...
Node.js: Difference between req.query[] and req.params
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edited Mar 24 '17 at 16:33
answered Jan 19 '13 at 19:37
J...
ActionBar text color
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blbaker
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answered May 4 '11 at 10:08
rnowayrnoway
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Lost my schema.rb! Can it be regenerated?
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231
If you run a rake -T it will list all possible rake tasks for your Rails project. One of them i...
Connection to SQL Server Works Sometimes
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edited Jun 4 '14 at 15:39
Matt
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answered...
How to find NSDocumentDirectory in Swift?
...iesInDomains(.DocumentDirectory, .UserDomainMask, true)[0]
and for Swift 3:
let documentsPath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
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