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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...
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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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...
How to insert tab character when expandtab option is on in Vim
... next character.
If you need to do this often, @Dee`Kej suggested (in the comments) setting Shift+Tab to insert a real tab with this mapping:
:inoremap <S-Tab> <C-V><Tab>
Also, as noted by @feedbackloop, on Windows you may need to press <CTRL-Q> rather than <CTRL-V>...
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...
How do I change the highlight style in Vim spellcheck?
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Can I comment out a line in a .git/config file?
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Yes, you can comment lines out of Git config files using # or ;.
From the documentation:
Syntax
The syntax is fairly flexible and permissive; whitespaces are mostly ignored. The # and ; characters begin comments to the end of li...
What is the theoretical maximum number of open TCP connections that a modern Linux box can have
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Inside the TCP stack, these four fields are used as a compound key to match up packets to connections (e.g. file descriptors).
If a client has many connections to the same port on the same destination, then three of those fields will be the same - only source_port varies to diff...
How to save a git commit message from windows cmd?
I run git from the command line.
6 Answers
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