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...eerEngineer
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How can I round to whole numbers in JavaScript?
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edited Aug 6 '11 at 16:10
Jeremy
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answered Aug 6 ...
Difference between no-cache and must-revalidate
...t the response becomes stale right away.
If a response is cacheable for 10 seconds, then must-revalidate kicks in after 10 seconds, whereas no-cache implies must-revalidate after 0 seconds.
At least, that's my interpretation.
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Rails: Get Client IP address
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answered Dec 16 '10 at 21:35
loosecannonloosecannon
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How to check whether a string is Base64 encoded or not
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Renaming columns in pandas
...he .columns attribute:
>>> df = pd.DataFrame({'$a':[1,2], '$b': [10,20]})
>>> df.columns = ['a', 'b']
>>> df
a b
0 1 10
1 2 20
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What is this operator in MySQL?
...e the regular = operator, two values are compared and the result is either 0 (not equal) or 1 (equal); in other words: 'a' <=> 'b' yields 0 and 'a' <=> 'a' yields 1.
Unlike the regular = operator, values of NULL don't have a special meaning and so it never yields NULL as a possible outco...
Return first match of Ruby regex
...Name[/regular expression/]. This is an example output from irb:
irb(main):003:0> names = "erik kalle johan anders erik kalle johan anders"
=> "erik kalle johan anders erik kalle johan anders"
irb(main):004:0> names[/kalle/]
=> "kalle"
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YouTube Video Embedded via iframe Ignoring z-index?
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Resize UIImage by keeping Aspect ratio and width
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The method of Srikar works very well, if you know both height and width of your new Size.
If you...