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How do I reference a Django settings variable in my models.py?
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Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
JavaScript checking for null vs. undefined and difference between == and ===
...lso be true if a is null.
Now, despite the above, the usual way to check for those is to use the fact that they're falsey:
if (!a) {
// `a` is falsey, which includes `undefined` and `null`
// (and `""`, and `0`, and `NaN`, and [of course] `false`)
}
This is defined by ToBoolean in the s...
Why do table names in SQL Server start with “dbo”?
...ould not have to use the fully qualified name, though there is a slight performance gain in doing so and is considered a best practice. "
– Carl G
Oct 9 '12 at 16:33
7
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GitHub - List commits by author
...nd ?author=<theusername> or ?author=<emailaddress> to the URL. For example, https://github.com/jquery/jquery/commits/master?author=dmethvin or https://github.com/jquery/jquery/commits/master?author=dave.methvin@gmail.com both give me:
For authors without a GitHub account, only filteri...
JavaScript arrays braces vs brackets
...1 and 3 have the same effect. Sometimes, however, they behave differently. For example, if var a = new Array(5) and var b = [5], then a ≠ b (since a.length = 5 while b.length = 1, a[0] is undefined while b[0] is 5, and so on.)
– Hunan Rostomyan
Feb 7 '15 at 2...
Extract TortoiseSVN saved password
...sted from this previous answer they are:
svn.simple contains credentials for basic authentication (username/password)
svn.ssl.server contains SSL server certificates
svn.username contains credentials for username-only authentication (no password needed)
The first directory is the one of interest...
PhpStorm wrap/surround selection?
...certain part of text. Is there any shortcut to wrap the current selection, for example:
4 Answers
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warning about too many open figures
...ith all its axes, but leaves the window opened, such that it may be reused for other plots.
plt.close() closes a window, which will be the current window, if not specified otherwise. plt.close('all') will close all open figures.
The reason that del fig does not work is that the pyplot state-machin...
'str' object does not support item assignment in Python
...'t change their characters in-place.
You can, however, do the following:
for i in str:
srr += i
The reasons this works is that it's a shortcut for:
for i in str:
srr = srr + i
The above creates a new string with each iteration, and stores the reference to that new string in srr.
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nuget 'packages' element is not declared warning
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You can always make simple xsd schema for 'packages.config' to get rid of this warning. To do this, create file named "packages.xsd":
<?xml version="1.0" encoding="utf-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qua...