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What is the best way to compute trending topics or tags?
Many sites offer some statistics like "The hottest topics in the last 24h". For example, Topix.com shows this in its section "News Trends". There, you can see the topics which have the fastest growing number of mentions.
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How do I extract a sub-hash from a hash?
...in other answers, but to sum them in one place:
x = {a: 1, b: 2, c: 3, d: 4}
# => {:a=>1, :b=>2, :c=>3, :d=>4}
x.slice(:a, :b)
# => {:a=>1, :b=>2}
x
# => {:a=>1, :b=>2, :c=>3, :d=>4}
x.except(:a, :b)
# => {:c=>3, :d=>4}
x
# => {:a=>1, :b=>...
Find files containing a given text
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Andrew Schwartz
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answered May 27 '11 at 14:03
bear24rwbear24rw
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How to correctly iterate through getElementsByClassName
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Albert XingAlbert Xing
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Ruby: What is the easiest way to remove the first element from an array?
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edited May 26 '14 at 11:15
answered Sep 1 '10 at 7:05
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Bootstrap right Column on top on mobile view
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edited Mar 20 '19 at 17:43
answered Jan 7 '14 at 18:35
Sc...
Postgres - FATAL: database files are incompatible with server
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413
If you recently upgraded to 11 or 12 from 10.x you can run the below command to upgrade your p...
Should *.xccheckout files in Xcode5 be ignored under VCS?
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edited Apr 2 '14 at 14:35
Ben Collins
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What is the best way to create constants in Objective-C
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Peter HoseyPeter Hosey
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