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How to write LaTeX in IPython Notebook?
...a nice way to print equation. Unfortunately, it's not performant and needs testing.
Example:
Granted, sympy is a great alternative and although prettyPy doesn't allow for evaluating expressions, variable initialization is not required.
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Iterating through a JSON object
...:
# example of json data object group with two values of key id
jsonstufftest = '{'group':{'id':'2','id':'3'}}
# always set your headers
headers = {'User-Agent': 'Moz & Woz'}
# the url you are trying to load and get json from
url = 'http://www.cooljson.com/cooljson.json'
# in python 3 you c...
Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
... me today when a user entered a letter in the input string and I failed to test that case.
– Jeff Mergler
Apr 2 '19 at 23:56
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Filter Java Stream to 1 and only 1 element
...s exactly one (no more, no fewer) matching element. After my code, one can test result.size() to make sure it equals 1. If it's 2, then there's more than one match, so it's an error. If the code instead did limit(1), more than one match would result in a single element, which can't be distinguished ...
SELECT * FROM X WHERE id IN (…) with Dapper ORM
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Here is possibly the fastest way to query a large number of rows with Dapper using a list of IDs. I promise you this is faster than almost any other way you can think of (with the possible exception of using a TVP as given in another answer, and whi...
constant pointer vs pointer on a constant value [duplicate]
... what entity is qualified, without the ability to run code on a machine to test it.
– rahmu
Apr 10 '12 at 16:08
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How do I find the location of my Python site-packages directory?
...ow <package> to show Debian-style package information:
$ pip show pytest
Name: pytest
Version: 3.8.2
Summary: pytest: simple powerful testing with Python
Home-page: https://docs.pytest.org/en/latest/
Author: Holger Krekel, Bruno Oliveira, Ronny Pfannschmidt, Floris Bruynooghe, Brianna Laugher...
Is there a VB.NET equivalent for C#'s '??' operator?
...orks like SQL COALESCE and is probably overkill for what you are trying to test, but it works.
''' <summary>
''' Returns the first non-null T based on a collection of the root object and the args.
''' </summary>
''' <param name="obj"></param>
''' <para...
How to remove illegal characters from path and filenames?
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I tested five methods from this question (timed loop of 100,000) and this method is the fastest one. The regular expression took 2nd place, and was 25% slower than this method.
– Brain2000
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What is Shelving in TFS?
...an incomplete task to someone else (poor soul) or if you have some sort of testing code you would never EVER check in that someone else needed to run. h/t to the other responses about using this for reviews, it is a very good idea.
Saving your progress: While you're working on a complex feature, you...