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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 ...
Using PUT method in HTML form
Can I use a PUT method in an HTML form to send data from the form to a server?
7 Answers
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Advantage of switch over if-else statement
...e more obscure your decision process becomes, the more value you'll derive from having it in an isolated function.
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When to use a Content Provider
...come with implementing your own Content Provider, so you shouldn't drop it from consideration just because your app doesn't share its data.
– Alex Lockwood
Jun 27 '12 at 18:34
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What is the difference between and ?
...e page.
<div>, on the other hand, does not convey any meaning, aside from any found in its class, lang and title attributes.
So no: using a <div> does not define a section in HTML.
From the spec:
<section>
The <section> element represents a generic section of a document or a...
Python set to list
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answered Jul 26 '11 at 10:38
phihagphihag
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Revert to a commit by a SHA hash in Git? [duplicate]
... you have no uncommitted changes that you want to keep
git reset --hard 56e05fced
# Move the branch pointer back to the previous HEAD
git reset --soft HEAD@{1}
git commit -m "Revert to 56e05fced"
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SHA1 vs md5 vs SHA256: which to use for a PHP login?
... prevent people that already have or somehow gained access to the database from just reading out loud the password. If it is someone unauthorized to on the database then you have bigger issues to worry about that's why Sony got took because they thought an encrypted password protected everything in...
How to show math equations in general github's markdown(not github's blog)
... to find a website similar to yuml.me which can generate on-the-fly images from by parsing the provided URL querystring.
Update
I've found some sites providing users with such service: codedogs.com (no longer seems to support embedding) or iTex2Img.
You may want to try them out. Of course, others ...
Versioning SQL Server database
...database upgrade scripts that contain the DDL necessary to move the schema from version N to N+1. (These go in your version control system.) A _version_history_ table, something like
create table VersionHistory (
Version int primary key,
UpgradeStart datetime not null,
UpgradeEnd date...