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How to access array elements in a Django template?
I am getting an array arr passed to my Django template. I want to access individual elements of the array in the array (e.g. arr[0] , arr[1] ) etc. instead of looping through the whole array.
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Ruby 'require' error: cannot load such file
I've one file, main.rb with the following content:
13 Answers
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Android: How to stretch an image to the screen width while maintaining aspect ratio?
...it so that it fills the screen horizontally, and stretches vertically to maintain the aspect ratio of the image, on any screen size. Here is my (non-working) code. It stretches the image horizontally, but not vertically, so it is squashed...
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Big O, how do you calculate/approximate it?
Most people with a degree in CS will certainly know what Big O stands for .
It helps us to measure how well an algorithm scales.
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How to access the correct `this` inside a callback?
...t you should know about this
this (aka "the context") is a special keyword inside each function and its value only depends on how the function was called, not how/when/where it was defined. It is not affected by lexical scopes like other variables (except for arrow functions, see below). Here are so...
Entity Framework and SQL Server View
For several reasons that I don't have the liberty to talk about, we are defining a view on our Sql Server 2005 database like so:
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Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
I'm having trouble exporting an app for Ad Hoc Distribution on Xcode 6 beta 2:
27 Answers
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Invalid date format specification in gemspec
I am getting the following error when I try to use gems in windows, and I also referred to
this stackoverflow post and updated rubygems and rails. But nothing could solve the problem.
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Character reading from file in Python
In a text file, there is a string "I don't like this".
8 Answers
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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
I see this a lot in tutorials, with navigation properties as ICollection<T> .
9 Answers
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