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What is the 'cls' variable used for in Python classes?
Why is cls sometimes used instead of self as an argument in Python classes?
5 Answers
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Where does Jenkins store configuration files for the jobs it runs?
I'm adding continuous integration to an EC2 project at work using Jenkins. The Jenkins machine itself is kept on an EC2 machine - one that might need to be taken offline and brought back on an entirely different EC2 instance at any point. We have a bunch of Puppet manifests allowing us to easily rei...
Why is MySQL's default collation latin1_swedish_ci?
What is the reasoning behind setting latin1_swedish_ci as the compiled default when other options seem much more reasonable, like latin1_general_ci or utf8_general_ci ?
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What is the “-d” in “npm -d install”?
...a -d argument. For example, this issue refers to doing npm -d install coffee-script . There are a few other pages that also refer to this syntax, including the install instructions for at least one npm package.
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Method overloading in Objective-C?
As far as my knowledge, Objective-C does not support method overloading. What can be the alternative for this in Objective-C? Or should I always use different method name?
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Remove a character from the end of a variable
Bash auto completion appends a / at the end of a directory name. How I can strip this off from a positional parameter?
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How to break out or exit a method in Java?
The keyword break in Java can be used for breaking out of a loop or switch statement. Is there anything which can be used to break from a method?
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Creating an empty file in Ruby: “touch” equivalent?
What is the best way to create an empty file in Ruby?
5 Answers
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PostgreSQL query to return results as a comma separated list
Let say you have a SELECT id from table query (the real case is a complex query) that does return you several results.
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