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Add unique constraint to combination of two columns
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answered Apr 3 '13 at 23:56
Aaron BertrandAaron Bertrand
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How can I convert NSDictionary to NSData and vice versa?
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edited Nov 5 '13 at 15:54
KIDdAe
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How do you clone a BufferedImage
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KlarkKlark
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Rebuild IntelliJ project indexes
IntelliJ IDEA 10.5.1 is reporting zero usages for all method, classes etc.
2 Answers
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Angular.js ng-repeat across multiple tr's
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GloopyGloopy
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Standardize data columns in R
I have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages.
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Generate random integers between 0 and 9
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Georgy
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answered Oct 22 '10 at 12:51
kovsheninkovshenin
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How do I select elements of an array given condition?
Suppose I have a numpy array x = [5, 2, 3, 1, 4, 5] , y = ['f', 'o', 'o', 'b', 'a', 'r'] . I want to select the elements in y corresponding to elements in x that are greater than 1 and less than 5.
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Install MySQL on Ubuntu without a password prompt
...-get -y install mysql-server
For specific versions, such as mysql-server-5.6, you'll need to specify the version in like this:
sudo debconf-set-selections <<< 'mysql-server-5.6 mysql-server/root_password password your_password'
sudo debconf-set-selections <<< 'mysql-server-5.6 m...