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Ruby on Rails: how do I sort with two columns using ActiveRecord?
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edited Aug 27 '10 at 20:28
answered Aug 27 '10 at 20:22
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Get specific line from text file using just shell script
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208
sed:
sed '5!d' file
awk:
awk 'NR==5' file
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How do I create test and train samples from one dataframe with pandas?
...ow I would be able to split the dataframe into two random samples (80% and 20%) for training and testing.
23 Answers
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Labels for radio buttons in rails form
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Matt HaleyMatt Haley
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What is the usefulness of PUT and DELETE HTTP request methods?
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For the full specification visit:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
Since current browsers unfortunately do not support any other verbs than POST and GET in HTML forms, you usually cannot utilize HTTP to it's full extent with them (you can still hijack their submissio...
How do you track record relations in NoSQL?
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answered Nov 18 '10 at 0:25
Bill KarwinBill Karwin
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How to add jQuery in JS file
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Tom Dee
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answered Jul 16 '09 at 21:31
Daniel MouraDani...
iOS app, programmatically get build version
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The value you set in the Xcode target summary's "Version" field is in here:
Swift 3
let vers...
Using reflect, how do you set the value of a struct field?
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2 Answers
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