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How to sort a HashMap in Java [duplicate]
How are we able to sort a HashMap<key, ArrayList> ?
17 Answers
17
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Plot two histograms on single chart with matplotlib
I created a histogram plot using data from a file and no problem. Now I wanted to superpose data from another file in the same histogram, so I do something like this
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How to break out from a ruby block?
... next if line[0,1] == "#" # If this line is a comment, go to the next
puts eval(line)
end
When used in a block, break transfers control out of the block, out of the iterator that invoked the block, and to the first expression following the invocation of the iterator:
f.each do |line| ...
How to add images to README.md on GitHub?
Recently I joined GitHub . I hosted some projects there.
32 Answers
32
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List submodules in a Git repository
I have a Git repository that has several submodules in it. How do I list the names of all the submodules after git submodule init has been run?
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Should MySQL have its timezone set to UTC?
Follow up question of
https://serverfault.com/questions/191331/should-servers-have-their-timezone-set-to-gmt-utc
4 Answers...
Why is GHC so large/big?
Is there a simple answer: Why is GHC so big?
6 Answers
6
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C++: const reference, before vs after type-specifier
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No difference as const is read right-to-left with respect to the &, so both represent a reference to an immutable Fred instance.
Fred& const would mean the reference itself is immutable, which is redundant; when dealing with const pointers both Fred const* and Fred* c...
Javascript Thousand Separator / string format [duplicate]
Is there any function in Javascript for formatting number and strings ?
15 Answers
15
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Get string character by index - Java
...t the index of a certain character or number in a string, but is there any predefined method I can use to give me the character at the nth position? So in the string "foo", if I asked for the character with index 0 it would return "f".
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