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Invert “if” statement to reduce nesting

...cked this code from the refactoring catalog. This specific refactoring is called: Replace Nested Conditional with Guard Clauses. share | improve this answer | follow ...
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Programmatically stop execution of python script? [duplicate]

... You could raise SystemExit(0) instead of going to all the trouble to import sys; sys.exit(0). share | improve this answer | follow | ...
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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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Enabling HTTPS on express.js

... All is written here: github.com/visionmedia/express/wiki/Migrating-from-2.x-to-3.x Paragraph Application function – codename- Jul 31 '12 at 16:50 ...
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Removing transforms in SVG files

...ditor Find "transform" attributes in layers and delete them How to move all objects altogether without creating another transform attributes Go to Edit -> Select All in All Layers Go to Object -> Transform In Transform panel Uncheck Relative move and check Apply to each object separately...
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pytest: assert almost equal

... I noticed that this question specifically asked about py.test. py.test 3.0 includes an approx() function (well, really class) that is very useful for this purpose. import pytest assert 2.2 == pytest.approx(2.3) # fails, default is ± 2.3e-06 assert 2.2 == pyte...
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jQuery Validate Plugin - Trigger validation of single field

I've got a form that can optionally be pre-populated via facebook connect. Once a user connects, their name and email are automatically filled in. The problem is that this doesn't trigger the remote validation to check if the email already exists. ...
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Check whether a path is valid in Python without creating a file at the path's target

... I need to test if the file-name is a valid, e.g. if the file-system will allow me to create a file with such a name. The file-name has some unicode characters in it. ...
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Using mixins vs components for code reuse in Facebook React

...inning to use Facebook React in a Backbone project and so far it's going really well. However, I noticed some duplication creeping into my React code. ...
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Cleaner way to update nested structures

...scalaz.TreeLoc). It turns out that the structure of the zipper is automatically derivable from the original data structure, in a manner that resembles symbolic differentiation of an algebraic expression. But how does this help you with your Scala case classes? Well, Lukas Rytz recently prototyped a...