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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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Double vs. BigDecimal?
... precision. Working with doubles of various magnitudes (say d1=1000.0 and d2=0.001) could result in the 0.001 being dropped alltogether when summing as the difference in magnitude is so large. With BigDecimal this would not happen.
The disadvantage of BigDecimal is that it's slower, and it's a bit ...
Group query results by month and year in postgresql
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select to_char(date,'Mon') as mon,
extract(year from date) as yyyy,
sum("Sales")...
What is WEB-INF used for in a Java EE web application?
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The Servlet 2.4 specification says this about WEB-INF (page 70):
A special directory exist...
How do I get the entity that represents the current user in Symfony2?
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Symfony 4+, 2019+ Approach
In symfony 4 (probably 3.3 also, but only real-tested in 4) you ca...
Difference between signed / unsigned char [duplicate]
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answered Dec 2 '10 at 16:25
AnTAnT
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JavaScript: What are .extend and .prototype used for?
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modeeb
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answered Sep 23 '10 at 18:27
meder omuralievmeder omuraliev
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How do I use vimdiff to resolve a git merge conflict?
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codebox
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answered Feb 15 '13 at 23:36
chepnerchepner
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curl POST format for CURLOPT_POSTFIELDS
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edited Mar 7 '11 at 20:40
answered Mar 7 '11 at 20:35
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How to wrap text around an image using HTML/CSS
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edited Apr 20 '15 at 21:58
answered Oct 4 '13 at 10:56
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