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How to run cron job every 2 hours
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398
Just do:
0 */2 * * * /home/username/test.sh
The 0 at the beginning means to run at the 0t...
What's the difference between lists and tuples?
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1032
Apart from tuples being immutable there is also a semantic distinction that should guide their ...
How can I upgrade specific packages using pip and a requirements file?
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63
I'm not sure if it's exactly your problem, but in my case, I wasn't able to upgrade Django to 1....
What does __FILE__ mean in Ruby?
...o.rb, __FILE__ would be interpreted as "foo.rb".
Edit: Ruby 1.9.2 and 1.9.3 appear to behave a little differently from what Luke Bayes said in his comment. With these files:
# test.rb
puts __FILE__
require './dir2/test.rb'
# dir2/test.rb
puts __FILE__
Running ruby test.rb will output
test.rb
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Likelihood of collision using most significant bits of a UUID in Java
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213
According to the documentation, the static method UUID.randomUUID() generates a type 4 UUID.
Th...
What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
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243
Curly braces. Passing keyword arguments into dict(), though it works beautifully in a lot of sce...
Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
...f central has elapsed or updates are forced -> [Help 1]
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Had maven 3.0.5, eclipse Kepler with JBoss Dev Studio 7 installed. Computer sitting on internal network with proxy to the internet. Here's what I did.
0. Check the maven repositiory server is up
1. Check Proxy is set up and working
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Is there a way to use SVG as content in a pseudo element :before or :after
...lt;/div>
And my test.svg looks like this:
<svg xmlns="http://www.w3.org/2000/svg">
<circle cx="100" cy="50" r="40" stroke="black" stroke-width="2" fill="red"/>
<polyline points="20,20 40,25 60,40 80,120 120,140 200,180" style="fill:none;stroke:black;stroke-width:3"/>
&l...
Creating my own Iterators
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Chinasaur
1,96222 gold badges1313 silver badges1717 bronze badges
answered Sep 29 '08 at 15:34
RoelRoel
17.8...
Convert NSData to String?
... example if data does not represent valid data for encoding).
Prior Swift 3.0
String(data: yourData, encoding: NSUTF8StringEncoding)
Swift 3.0 Onwards
String(data: yourData, encoding: .utf8)
See String#init(data:encoding:) Reference
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