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How to import a Python class that is in a directory above?

I want to inherit from a class in a file that lies in a directory above the current one. 7 Answers ...
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Is it fine to have foreign key as primary key?

I have two tables: 8 Answers 8 ...
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Is Redis just a cache?

I have been reading some Redis docs and trying the tutorial at http://try.redis-db.com/ . So far, I can't see any difference between Redis and caching technologies like Velocity or the Enterprise Library Caching Framework ...
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What's the -practical- difference between a Bare and non-Bare repository?

I've been reading about the bare and non-bare / default repositores in Git. I haven't been able to understand quite well (theoretically) about the differences between them, and why I should "push" to a bare repository. Here's the deal: ...
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Is it possible for a computer to “learn” a regular expression by user-provided examples?

Is it possible for a computer to "learn" a regular expression by user-provided examples? 10 Answers ...
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What does tree-ish mean in Git?

I'm very confused about how to use git archive . 6 Answers 6 ...
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Default implementation for Object.GetHashCode()

How does the default implementation for GetHashCode() work? And does it handle structures, classes, arrays, etc. efficiently and well enough? ...
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Does a foreign key automatically create an index?

I've been told that if I foreign key two tables, that SQL Server will create something akin to an index in the child table. I have a hard time believing this to be true, but can't find much out there related specifically to this. ...
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Is an empty href valid?

One of our web developers uses the following html as a placeholder for styling a drop down list. 10 Answers ...
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Binary search (bisection) in Python

Is there a library function that performs binary search on a list/tuple and return the position of the item if found and 'False' (-1, None, etc.) if not? ...