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Use of “this” keyword in formal parameters for static methods in C#
...possible the really powerful LINQ query framework... .
it means that you can call
MyClass myClass = new MyClass();
int i = myClass.Foo();
rather than
MyClass myClass = new MyClass();
int i = Foo(myClass);
This allows the construction of fluent interfaces as stated below.
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Ruby: extend self
...dea of extend . However, what's happening in this segment of code? Specifically, what does extend do? Is it just a convenient way of making the instance methods into class methods? Why would you do it this way rather than specifying class methods from the beginning?
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How can I get the current language in Django?
How can I get the current language in the current thread in a model or in the admin?
6 Answers
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Read input from console in Ruby?
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you can also pass the parameters through the command line. Command line arguments are stores in the array ARGV. so ARGV[0] is the first number and ARGV[1] the second number
#!/usr/bin/ruby
first_number = ARGV[0].to_i
second_num...
How can I change Eclipse theme?
...ange the UI to a nice dark theme but to get the complete look and feel you can get the Eclipse Color Theme plugin from eclipsecolorthemes.org. The easiest way is to add this update URI to "Help -> Install New Software" and install it from there.
Eclipse Color Themes
This adds a "Color Theme" m...
Is there a “not in” operator in JavaScript for checking object properties?
... get if you did if ( ! somekey in someobj )
– mikemaccana
May 10 '12 at 11:32
3
Please note that ...
jquery $(window).width() and $(window).height() return different values when viewport has not been r
I am writing a site using jquery that repeatedly calls $(window).width() and $(window).height() to position and size elements based on the viewport size.
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When should I use ugettext_lazy?
...lazy()
In definitions like forms or models you should use ugettext_lazy because the code of this definitions is only executed once (mostly on django's startup); ugettext_lazy translates the strings in a lazy fashion, which means, eg. every time you access the name of an attribute on a model the str...
PostgreSQL disable more output
... QUIET=1 in the environment.
To produce results and throw them away you can redirect stdout to /dev/null with:
psql db -f sql.sql >/dev/null
You can redirect both stdout and stderr with:
psql db -f sql.sql >&/dev/null
but I don't recommend that, as it'll throw away error informati...
Regular expression search replace in Sublime Text 2
...ns in Sublime Text 2. The documentation on this is rather anemic. Specifically, I want to do a replace on groups, so something like converting this text:
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