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How to get indices of a sorted array in Python
...ing like next:
>>> myList = [1, 2, 3, 100, 5]
>>> [i[0] for i in sorted(enumerate(myList), key=lambda x:x[1])]
[0, 1, 2, 4, 3]
enumerate(myList) gives you a list containing tuples of (index, value):
[(0, 1), (1, 2), (2, 3), (3, 100), (4, 5)]
You sort the list by passing it to...
Programmatically generate video or animated GIF in Python?
...t I want to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I can render to a wxDC or I can save the images to files, like PNG. Is there a Python library that will allow me to create either a vid...
Which characters are valid in CSS class names/selectors?
...haracters and any ISO 10646
character as a numeric code (see next item). For instance, the
identifier "B&W?" may be written as "B\&W\?" or "B\26 W\3F".
Identifiers beginning with a hyphen or underscore are typically reserved for browser-specific extensions, as in -moz-opacity.
1 It's ...
TypeScript typed array usage
...re not giving me errors.
It is also the suggested method from typescript for array declaration.
By using the Array<Thing> it is making use of the generics in typescript. It is similar to asking for a List<T> in c# code.
// Declare with default value
private _possessions: Array<T...
Preserving signatures of decorated functions
Suppose I have written a decorator that does something very generic. For example, it might convert all arguments to a specific type, perform logging, implement memoization, etc.
...
When to use setAttribute vs .attribute= in JavaScript?
...
You should always use the direct .attribute form (but see the quirksmode link below) if you want programmatic access in JavaScript. It should handle the different types of attributes (think "onload") correctly.
Use getAttribute/setAttribute when you wish to deal with ...
Alternatives to gprof [closed]
... As Mike Dunlavey recommends, Valgrind counts the fraction of instructions for which a procedure is live on the stack, although I'm sorry to say it appears to become confused in the presence of mutual recursion. But the visualizer is very nice and light years ahead of gprof.
...
Why does “pip install” inside Python raise a SyntaxError?
...
Thanks for the clarification, but I still can't get it to run. Where exactly is it? It is giving me a "pip is not recognized" error (because I'm not the right dir). It was installed in \site-packages but I'm looking thought it and I...
Add spaces before Capital Letters
...ringHasNoSpacesButItDoesHaveCapitals" what is the best way to add spaces before the capital letters. So the end string would be "This String Has No Spaces But It Does Have Capitals"
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round() for float in C++
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there is also lround and llround for integral results
– sp2danny
Feb 23 '15 at 11:55
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