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Convert data.frame column to a vector?
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[..., drop = F] will always return a data frame
– hadley
Aug 16 '11 at 18:19
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Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
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edited Aug 11 '15 at 19:18
nlucaroni
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answered M...
How to parameterize @Scheduled(fixedDelay) with Spring 3.0 expression language?
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answered Apr 8 '10 at 19:08
Grzegorz OledzkiGrzegorz Oledzki
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Use IntelliJ to generate class diagram
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edited Aug 3 '18 at 18:27
answered Jan 20 '12 at 14:29
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Ruby/Rails: converting a Date to a UNIX timestamp
...xample:
>> Date.new(2009,11,26).to_time
=> Thu Nov 26 00:00:00 -0800 2009
>> Date.new(2009,11,26).to_time.to_i
=> 1259222400
>> Time.at(1259222400)
=> Thu Nov 26 00:00:00 -0800 2009
Note that the intermediate DateTime object is in local time, so the timestamp might be a...
What is the Invariant Culture?
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answered Mar 11 '10 at 8:05
Andrew BezzubAndrew Bezzub
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Java 8 Lambda function that throws exception?
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8
An even more generic way to do it is to define the checked function like this @FunctionalInterface public interface CheckedFunction<T, R...
Intersection of two lists in Bash
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answered Apr 23 '10 at 3:58
ghostdog74ghostdog74
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