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Rails 3 check if attribute changed
Need to check if a block of attributes has changed before update in Rails 3.
5 Answers
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How to match all occurrences of a regex
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834
Using scan should do the trick:
string.scan(/regex/)
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How to create major and minor gridlines with different linestyles in Python
...ly, it is as simple as setting major and minor separately:
In [9]: plot([23, 456, 676, 89, 906, 34, 2345])
Out[9]: [<matplotlib.lines.Line2D at 0x6112f90>]
In [10]: yscale('log')
In [11]: grid(b=True, which='major', color='b', linestyle='-')
In [12]: grid(b=True, which='minor', color='r', ...
How can I convert uppercase letters to lowercase in Notepad++
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350
Just select the text you want to change, right click and select UPPERCASE or lowercase dependi...
UICollectionView Set number of columns
...o specify the number of columns in a collectionview. The default is set to 3 (iPhone/portrait). I've looked at the documentation and can't seem to find a concise answer.
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How to find which rspec test is taking so long
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In RSpec 2 and 3, you can use the --profile flag or add --profile to your .rspec file. This will track the top 10 slowest examples.
For RSpec 1, you can use --format o with spec command. It shows a text-based progress bar with profiling of...