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Fast check for NaN in NumPy
...se numpy.sum in place of numpy.min:
In [13]: %timeit np.isnan(np.min(x))
1000 loops, best of 3: 244 us per loop
In [14]: %timeit np.isnan(np.sum(x))
10000 loops, best of 3: 97.3 us per loop
Unlike min, sum doesn't require branching, which on modern hardware tends to be pretty expensive. This is ...
How can I remove duplicate rows?
...way to remove duplicate rows from a fairly large SQL Server table (i.e. 300,000+ rows)?
38 Answers
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How to handle checkboxes in ASP.NET MVC forms?
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answered Oct 20 '08 at 21:49
Dylan BeattieDylan Beattie
49.4k3030 gold badges117117 silver badges184184 bronze badges
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Why do I need to do `--set-upstream` all the time?
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1570
A shortcut, which doesn't depend on remembering the syntax for git branch --set-upstream 1 is to...
Fastest way to check a string contain another substring in JavaScript?
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320
You have two possibilites:
Regular expression:
(new RegExp('word')).test(str)
// or
/word/.te...
Database Structure for Tree Data Structure
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80
You mention the most commonly implemented, which is Adjacency List:
https://blogs.msdn.microsoft...
Split a module across several files
...some types from sub-modules are re-exported for use in std::io.
Edit (2019-08-25): the following part of the answer was written quite some time ago. It explains how to setup such a module structure with rustc alone. Today, one would usually use Cargo for most use cases. While the following is st...
How can I override the OnBeforeUnload dialog and replace it with my own?
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307
You can't modify the default dialogue for onbeforeunload, so your best bet may be to work with ...
How do I create a crontab through a script
...y it to the cron spool folder and make sure it has the right permissions (600).
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