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Erratic hole type resolution
I recently found out that type holes combined with pattern matching on proofs provides a pretty nice Agda-like experience in Haskell. For example:
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When to encode space to plus (+) or %20?
...m-urlencoded content, such as the query part of a URL:
http://www.example.com/path/foo+bar/path?query+name=query+value
In this URL, the parameter name is query name with a space and the value is query value with a space, but the folder name in the path is literally foo+bar, not foo bar.
%20 is a...
Get domain name from given url
...ritten fails for the valid URLs:
httpfoo/bar -- relative URL with a path component that starts with http.
HTTP://example.com/ -- protocol is case-insensitive.
//example.com/ -- protocol relative URL with a host
www/foo -- a relative URL with a path component that starts with www
wwwexample.com -- ...
How do I include related model fields using Django Rest Framework?
...d, since the teachers field is a reverse relationship.
If you've got more complex requirements (eg. include reverse relationships, nest some fields, but not others, or nest only a specific subset of fields) you can nest serializers, eg...
class TeacherSerializer(serializers.ModelSerializer):
c...
Is there a way to zoom the Visual Studio text editor with a keyboard shortcut?
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Thank you! The period/comma didn't seem to be very meaningful, until this http://blogs.msdn.com/b/zainnab/archive/2013/09/10/zooming-in-and-out-of-text-in-the-editor.aspx pointed out it's also </>, "greater than" and "less than", which makes...
powershell 2.0 try catch how to access the exception
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vs in Generics
...interfaces was added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error.
After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T>. Since IEnumerable<out T> only uses the elements within it, and never adds/changes them, it's safe for i...
Does Git Add have a verbose switch
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For some git-commands you can specify --verbose,
git 'command' --verbose
or
git 'command' -v.
Make sure the switch is after the actual git command. Otherwise - it won't work!
Also useful:
git 'command' --dry-run
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Where should I put tags in HTML markup?
...o, since the JavaScript will have to be parsed before the page is rendered completely (or something like that). This seems to leave the end of the <body> section as a logical place for <script> tags.
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Very simple log4j2 XML configuration file using Console and File appender
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For completeness, use of immediateFlush="false" is especially recommended when using Async Loggers or AsyncAppender.
– Remko Popma
Jan 19 '14 at 2:33
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