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Difference between staticmethod and classmethod
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One more use for @staticmethod - you can use it to remove cruft. I am implementing a programming language in Python - library-defined functions use a static execute method, where user-defined functions require instance arguments ...
How should I ethically approach user password storage for later plaintext retrieval?
As I continue to build more and more websites and web applications I am often asked to store user's passwords in a way that they can be retrieved if/when the user has an issue (either to email a forgotten password link, walk them through over the phone, etc.) When I can I fight bitterly against thi...
'echo' without newline in a shell script
...ipt uses a version that doesn't recognize -n.
The printf command has much more consistent behavior. echo is fine for simple things like echo hello, but I suggest using printf for anything more complicated.
What system are you on, and what shell does your script use?
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
... Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent?
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How do I return early from a rake task?
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I like the second one best, too. The more I use rake, the more I like to keep non-trivial code outside of the task definition. Not a 100% firm rule, but seems to be a good guideline to work to.
– Mike Woodhouse
Feb 23 '10 a...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...ld also be written "${var}"bar, in which case you don't need the braces anymore, i.e. "$var"bar. However, if you have a lot of quotes in your string these alternative forms can get hard to read (and therefore hard to maintain). This page provides a good introduction to quoting in Bash.
Arrays ($var...
How to Sign an Already Compiled Apk
...ore my-release-key.keystore my_application.apk alias_name
check here for more info
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Is 0 a decimal literal or an octal literal?
... point being that a decimal-literal is a nonzero-digit followed by zero or more digit so there is no ambiguity.
– CB Bailey
Aug 1 '11 at 7:53
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Check to see if python script is running
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How to get the build/version number of your Android application?
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