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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
... using a transaction model to keep track all the events going through the system
2 Answers
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Why can I initialize a List like an array in C#?
Today I was surprised to find that in C# I can do:
6 Answers
6
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How many constructor arguments is too many?
Let's say you have a class called Customer, which contains the following fields:
15 Answers
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How does RewriteBase work in .htaccess
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In my own words, after reading the docs and experimenting:
You can use RewriteBase to provide a base for your rewrites. Consider this
# invoke rewrite engine
RewriteEngine On
RewriteBase /~new/
# add trailing slash if ...
How to return result of a SELECT inside a function in PostgreSQL?
...nction in PostgreSQL, but I don't know how to return the result of the query:
2 Answers
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Check if an apt-get package is installed and then install it if it's not on Linux
I'm working on a Ubuntu system and currently this is what I'm doing:
22 Answers
22
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Return array in a function
I have an array int arr[5] that is passed to a function fillarr(int arr[]) :
19 Answers
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What's the purpose of git-mv?
From what I understand, Git doesn't really need to track file rename/move/copy operations, so what's the real purpose
of git mv ? The man page isn't specially descriptive...
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Mediator Vs Observer Object-Oriented Design Patterns
I have been reading the Gang Of Four , in order to solve some of my problems and came across the Mediator pattern.
8 Ans...
How to pass command line arguments to a rake task
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Options and dependencies need to be inside arrays:
namespace :thing do
desc "it does a thing"
task :work, [:option, :foo, :bar] do |task, args|
puts "work", args
end
task :another, [:option, :foo, :bar] do |task, args|
puts "another #{args}"
Rake::T...