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Prepend a level to a pandas MultiIndex
I have a DataFrame with a MultiIndex created after some grouping:
5 Answers
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Source code highlighting in LaTeX
I need to highlight source code in LaTeX. The package listings seems to be the best choice for most use-cases and for me it was, until now.
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How do I undo 'git add' before commit?
I mistakenly added files to Git using the command:
36 Answers
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Custom Adapter for List View
I want to create a custom adapter for my list view. Is there any article that can walk me through how to create one and also explain how it works?
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How can I check if a string represents an int, without using try/except?
Is there any way to tell whether a string represents an integer (e.g., '3' , '-17' but not '3.14' or 'asfasfas' ) Without using a try/except mechanism?
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Entity Attribute Value Database vs. strict Relational Model Ecommerce
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10 Answers
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Determining type of an object in ruby
I'll use python as an example of what I'm looking for (you can think of it as pseudocode if you don't know Python):
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How do I expire a PHP session after 30 minutes?
I need to keep a session alive for 30 minutes and then destroy it.
15 Answers
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Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
First off, it may seem that I'm asking for subjective opinions, but that's not what I'm after. I'd love to hear some well-grounded arguments on this topic.
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string sanitizer for filename
I'm looking for a php function that will sanitize a string and make it ready to use for a filename. Anyone know of a handy one?
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