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Argparse optional positional arguments?
I have a script which is meant to be used like this:
usage: installer.py dir [-h] [-v]
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Split list into multiple lists with fixed number of elements
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What's best SQL datatype for storing JSON string?
What's the best SQL datatype for storing JSON string?
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How to ignore whitespace in a regular expression subject string?
...egular expression pattern? For example, if my search is for "cats", I would want "c ats" or "ca ts" to match. I can't strip out the whitespace beforehand because I need to find the begin and end index of the match (including any whitespace) in order to highlight that match and any whitespace nee...
How to invoke a Linux shell command from Java
I am trying to execute some Linux commands from Java using redirection (>&) and pipes (|). How can Java invoke csh or bash commands?
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What is the meaning of polyfills in HTML5?
What is the meaning of polyfills in HTML5? I saw this word in many sites about HTML5, e.g. HTML5-Cross-Browser-Polyfills.
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What is the difference between 'java', 'javaw', and 'javaws'?
What is the difference between java , javaw , and javaws ?
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How can I check that a form field is prefilled correctly using capybara?
I have a field with a proper label that I can fill in with capybara without a problem:
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What does “atomic” mean in programming?
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Calling a Method From a String With the Method's Name in Ruby
How can I do what they are talking about here , but in Ruby?
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