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How to limit the maximum value of a numeric field in a Django model?
Django has various numeric fields available for use in models, e.g. DecimalField and PositiveIntegerField . Although the former can be restricted to the number of decimal places stored and the overall number of characters stored, is there any way to restrict it to storing only numbers within a ...
Why does Python use 'magic methods'?
... playing around with Python recently, and one thing I'm finding a bit odd is the extensive use of 'magic methods', e.g. to make its length available, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
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What is this 'Lambda' everyone keeps speaking of?
What is this 'Lambda' everyone keeps speaking of? A lot of people seem to love it, but all I can gather from it is it is just a way of cramming lots of lines of code into a single expression.
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Passing arguments to “make run”
I use Makefiles.
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Why does ++[[]][+[]]+[+[]] return the string “10”?
This is valid and returns the string "10" in JavaScript ( more examples here ):
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Python datetime to string without microsecond component
I'm adding UTC time strings to Bitbucket API responses that currently only contain Amsterdam (!) time strings. For consistency with the UTC time strings returned elsewhere, the desired format is 2011-11-03 11:07:04 (followed by +00:00 , but that's not germane).
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format date with moment.js
I have a string in this format:
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SQL - HAVING vs. WHERE
I have the following two tables:
8 Answers
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How to convert a double to long without casting?
What is the best way to convert a double to a long without casting?
9 Answers
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ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'db'
I want to begin writing queries in MySQL.
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