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Django: Display Choice Value
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Matplotlib Legends not working
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Explain the concept of a stack frame in a nutshell
...ynamic languages also have their call stacks, don't they? I mean, if, say, Python wants to execute some procedure, the data about this procedure is stored inside of some Python interpreter's structure, am I correct? So I mean that call stack is present not only at a low level.
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What is the rationale for all comparisons returning false for IEEE754 NaN values?
... the nonreflexivity of NaNs has created no end of pain for languages like Python, with its equality-based containment semantics. You really don't want equality to fail to be an equivalence relation when you're trying to build containers on top of it. And having two separate notions of equality is...
Add a column to existing table and uniquely number them on MS SQL Server
...I would alter the table to add the column then write a db script in groovy/python/etc to read in the data and update the id with a sequence. Once the data has been set, I would add a sequence to the table that starts after the top number. Once the data has been set, set the primary keys correctly.
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Design patterns to avoid [closed]
...del should not need to be stored in a database; what about storing them as XML or accessing them using web services? How easy would it be to change the storage mechanism of your models?
That said, Active Record is not always bad and is perfect for simpler applications where the other options would ...
Find indices of elements equal to zero in a NumPy array
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I am trying to remember Python. Why does where() return a tuple? numpy.where(x == 0)[1] is out of bounds. what is the index array coupled to then?
– Zhubarb
Jan 7 '14 at 12:52
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When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
...long time - just the term is new. Some examples are graph, object, column, XML and document databases.
For your 2nd question: Is it okay to use both on the same site?
Why not? Both serves different purposes right?
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argparse module How to add option without any argument?
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Group by & count function in sqlalchemy
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