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How to sort an array of hashes in ruby
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374
Simples:
array_of_hashes.sort_by { |hsh| hsh[:zip] }
Note:
When using sort_by you need to ...
Change R default library path using .libPaths in Rprofile.site fails to work
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173
I generally try to keep all of my packages in one library, but if you want to add a library why ...
How to convert 1 to true or 0 to false upon model fetch
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edited May 17 at 8:39
answered May 1 '13 at 6:03
Vit...
What is mattr_accessor in a Rails module?
... phil pirozhkov
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answered Oct 9 '08 at 1:49
AvdiAvdi
17.8k66 gold badges5151...
Equation for testing if a point is inside a circle
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edited Jun 23 '13 at 15:31
answered Jan 26 '09 at 20:09
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Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
...d meaning (while multiplying a string and an integer has a meaning: "AB" * 3 is "ABABAB"; how much is "L" * 3.14 ? Please do not reply "LLL|"). You need to parse the string to a numerical value.
You might want to try:
salesAmount = float(raw_input("Insert sale amount here\n"))
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CocoaPods and GitHub forks
...> 'https://github.com/getaaron/TTTAttributedLabel.git', :commit => 'd358791c7f593d6ea7d6f8c2cac2cf8fae582bc1'
After that, pod update will update this particular commit from your fork. If you want, you can also make a podspec for your fork, but I find this approach simpler and I don't make c...
Multiplication on command line terminal
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KurzedMetalKurzedMetal
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add a comment
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How to print binary tree diagram?
...nteger> n22 = new Node<Integer>(6);
Node<Integer> n23 = new Node<Integer>(3);
Node<Integer> n24 = new Node<Integer>(6);
Node<Integer> n31 = new Node<Integer>(5);
Node<Integer> n32 = new Node<Integer>(8);
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What Xcode keyboard shortcuts do you use regularly? [closed]
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edited Feb 8 '17 at 14:33
community wiki
5 r...