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What does the “Just” syntax mean in Haskell?
I have scoured the internet for an actual explanation of what this keyword does. Every Haskell tutorial that I have looked at just starts using it randomly and never explains what it does (and I've looked at many).
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Template function inside template class
I have this code:
1 Answer
1
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Get type of a generic parameter in Java with reflection
Is it possible to get the type of a generic parameter?
18 Answers
18
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SQL SELECT WHERE field contains words
I need a select which would return results like this:
15 Answers
15
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What's the difference between deque and list STL containers?
What is the difference between the two? I mean the methods are all the same. So, for a user, they work identically.
8 Answ...
ScalaTest in sbt: is there a way to run a single test without tags?
I know that a single test can be ran by running, in sbt,
5 Answers
5
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Unicode equivalents for \w and \b in Java regular expressions?
Many modern regex implementations interpret the \w character class shorthand as "any letter, digit, or connecting punctuation" (usually: underscore). That way, a regex like \w+ matches words like hello , élève , GOÄ_432 or gefräßig .
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LINQ, Where() vs FindAll()
Can someone explain how the LINQ functions Where(..) and FindAll(..) differ? They both seem to do the same thing...
4 Answe...
Extracting just Month and Year separately from Pandas Datetime column
I have a Dataframe, df, with the following column:
11 Answers
11
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How does the String class override the + operator?
Why in Java you're able to add Strings with the + operator, when String is a class? In the String.java code I did not find any implementation for this operator. Does this concept violate object orientation?
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