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Does Python optimize tail recursion?
... @jwg So... What? You have to write a language before you can comment on poor design decisions? Hardly seems logical or practical. I assume from your comment that you have no opinion about any features (or lack thereof) in any language ever written?
– Basic
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Best way to select random rows PostgreSQL
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Given your specifications (plus additional info in the comments),
You have a numeric ID column (integer numbers) with only few (or moderately few) gaps.
Obviously no or few write operations.
Your ID column has to be indexed! A primary key serves nicely.
The query below does n...
Retrieve specific commit from a remote Git repository
Is there any way to retrieve only one specific commit from a remote Git repo without cloning it on my PC? The structure of remote repo is absolutely same as that of mine and hence there won't be any conflicts but I have no idea how to do this and I don't want to clone that huge repository.
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What is PECS (Producer Extends Consumer Super)?
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What should be in my .gitignore for an Android Studio project?
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Updated to Android Studio 3.0
Please share missing items in comments.
A late answer but none of the answers here and here was right on the money for us...
So, here's our gitignore file:
#built application files
*.apk
*.ap_
# files for the dex VM
*.dex
# Java class files
*.class
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Logical operators for boolean indexing in Pandas
...== (1 & a['y']) == 10 which would in turn be equivalent to the chained comparison (a['x'] == (1 & a['y'])) and ((1 & a['y']) == 10). That is an expression of the form Series and Series.
The use of and with two Series would again trigger the same ValueError as above. That's why the parent...
Recursion in Angular directives
...a couple of popular recursive angular directive Q&A's out there, which all come down to one of the following solutions:
9 A...
vs vs for inline and block code snippets
... cases where the pre element could be used:
Including fragments of computer code, with structure indicated according to the conventions of that language.
[…]
To represent a block of computer code, the pre element can be used with a code element; to represent a block of compute...
Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
...dmit; I remember it being the subject of intense debate some years ago, on comp.lang.c++.moderated.
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Modify request parameter with servlet filter
...If you try to pass anything else to doFilter, some servlet containers will complain that you have violated the spec, and will refuse to handle it.
A more elegant solution is more work - modify the original servlet/JSP that processes the parameter, so that it expects a request attribute instead of a...