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How do I add more members to my ENUM-type column in MySQL?
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There's more than one column in my carmake table. Could that have anything to do with it?
– Zaid
Oct 1 '09 at 5:14
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Difference between a theta join, equijoin and natural join
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data.table vs dplyr: can one do something well the other can't or does poorly?
...operations together, it allows to easily optimise operations for speed and more importantly memory usage, and also provide some powerful features, all while maintaining the consistency in syntax.
1. Speed
Quite a few benchmarks (though mostly on grouping operations) have been added to the question...
jQuery .hasClass() vs .is()
...ou can for example do is('.class'), is(':checked'), etc which means is has more to do where is hasClass is limited which only checks for a class being set or not.
Hence, hasClass should be faster if performance at any level is your priority.
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Removing multiple keys from a dictionary safely
... in entries:
if key in the_dict:
del the_dict[key]
A more compact version was provided by mattbornski using dict.pop()
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Sorting an array of objects in Ruby by object attribute?
...y {|obj| obj.attribute}
Especially if attribute may be calculated.
Or a more concise approach:
objects.sort_by(&:attribute)
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Should I use Java's String.format() if performance is important?
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Moreover as you don't ever get out of main JIT cannot kick in.
– Jan Zyka
Jun 20 '14 at 8:13
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How to compare software version number using js? (only number)
...of just digits (e.g. "1.0a")?
What should happen if one version string has more parts than the other? Most likely "1.0" should be considered less than "1.0.1", but what about "1.0.0"?
Here's the code for an implementation that you can use directly (gist with documentation):
function versionCompar...
What is the difference between application server and web server?
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How to pass the value of a variable to the stdin of a command?
...r which the APPLICATION USAGE section of the echo specification touches on more briefly) it's a perfectly reasonable answer.
– Charles Duffy
Feb 21 at 16:07
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