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Clang vs GCC for my Linux Development project
I'm in college, and for a project we're using C. We've explored GCC and Clang, and Clang appears to be much more user friendly than GCC. As a result, I'm wondering what the advantages or disadvantages are to using clang, as opposed to GCC, for developing in C and C++ on Linux?
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Why does Python use 'magic methods'?
...rical roots.
Here's a quote from the FAQ:
Why does Python use methods for some
functionality (e.g. list.index()) but
functions for other (e.g. len(list))?
The major reason is history. Functions
were used for those operations that
were generic for a group of types and
which were i...
How do I profile memory usage in Python?
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Official guppy documentation is a bit minimial; for other resources see this example and the heapy essay.
– tutuDajuju
Jul 1 '15 at 18:30
14
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How update the _id of one MongoDB Document?
...oing the delete first, but that is a bad idea because if your insert fails for some reason your data is now lost. You must instead drop your index, perform the work, then restore the index.
– skelly
Jun 2 '14 at 19:52
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How to remove an element from a list by index
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del is overloaded. For example del a deletes the whole list
– Brian R. Bondy
Mar 9 '09 at 18:36
34
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Getting the class name of an instance?
... classes). Your code might use some old-style classes. The following works for both:
x.__class__.__name__
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Principal component analysis in Python
I'd like to use principal component analysis (PCA) for dimensionality reduction. Does numpy or scipy already have it, or do I have to roll my own using numpy.linalg.eigh ?
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What is the most efficient string concatenation method in python?
...robably fast enough and has the benefit of being idiomatic and thus easier for other python programmers to understand.
Finally, the golden rule of optimization: don't optimize unless you know you need to, and measure rather than guessing.
You can measure different methods using the timeit module. ...
pip broke. how to fix DistributionNotFound error?
Whenever i try to use pip I get an error. For exampple:
11 Answers
11
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Placeholder in UITextView
...want the UITextView to have a placeholder similar to the one you can set for an UITextField .
62 Answers
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