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SQLAlchemy - Getting a list of tables

... All of the tables are collected in the tables attribute of the SQLAlchemy MetaData object. To get a list of the names of those tables: >>> metadata.tables.keys() ['posts', 'comments', 'users'] If you're using the...
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How do I add a margin between bootstrap columns without wrapping [duplicate]

... Sep 25 '13 at 17:00 Charles IngallsCharles Ingalls 4,22755 gold badges2020 silver badges3232 bronze badges ...
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Navigation in django

... I like this idea a lot, especially for flexibility, but it comes with the less-DRY trade-off. I did start using this in a site though. – anonymous coward Sep 22 '09 at 14:47 ...
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How can I get nth element from a list?

... Personally I can't comprehend how an at-index accessor that doesn't return a Maybe type is acceptable as idiomatic Haskell. [1,2,3]!!6 will give you a runtime error. It could very easily be avoided if !! had the type [a] -> Int ...
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Installation Issue with matplotlib Python [duplicate]

I have issue after installing the matplotlib package unable to import matplotlib.pyplot as plt . Any suggestion will be greatly appreciate. ...
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How to unit test a Node.js module that requires other modules and how to mock the global require fun

...inject mocks for required modules. Proxyquire has a very simple api which allows resolving the module you are trying to test and pass along mocks/stubs for its required modules in one simple step. @Raynos is right that traditionally you had to resort to not very ideal solutions in order to achieve...
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How can I delete all Git branches which have been merged?

...anches which have already been merged? Is there an easy way to delete them all instead of deleting them one by one? 45 Answ...
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How to get all subsets of a set? (powerset)

...owerset([4, 5, 6]))) Using yield means that you do not need to calculate all results in a single piece of memory. Precalculating the masks outside the main loop is assumed to be a worthwhile optimization. share | ...
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Difference between \w and \b regular expression meta characters

...chor like the caret and the dollar sign. It matches at a position that is called a "word boundary". This match is zero-length. There are three different positions that qualify as word boundaries: Before the first character in the string, if the first character is a word character. After the last ...
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Is it better in C++ to pass by value or pass by constant reference?

... It used to be generally recommended best practice1 to use pass by const ref for all types, except for builtin types (char, int, double, etc.), for iterators and for function objects (lambdas, classes deriving from std::*_function). This was es...