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How do I reset the scale/zoom of a web app on an orientation change on the iPhone?
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Deleting DataFrame row in Pandas based on column value
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Ruby - test for array
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edited Mar 30 at 18:35
siery
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answered Oct 6 '09 at 20:23
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Getting the first and last day of a month, using a given DateTime object
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How to get the difference between two arrays in JavaScript?
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Tool to read and display Java .class versions
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Use the javap tool that comes with the JDK. The -verbose option will print the version number ...
Reverse a string in Python
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How about:
>>> 'hello world'[::-1]
'dlrow olleh'
This is extended slice syntax. It works by doing [begin:end:step] - by leaving begin and end off and specifying a step of -1, it reverses a string.
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Can hash tables really be O(1)?
It seems to be common knowledge that hash tables can achieve O(1), but that has never made sense to me. Can someone please explain it? Here are two situations that come to mind:
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Lambda function in list comprehensions
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The first one creates a single lambda function and calls it ten times.
The second one doesn't ca...