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How do I create directory if none exists using File class in Ruby?
...to(tokens.size - 1) do |n|
# Builds directory path one folder at a time from top to bottom
unless n == (tokens.size - 1)
new_dir << "#{tokens[n].to_s}/" # All folders except innermost folder
else
new_dir << "#{tokens[n].to_s}" # Innermost folder
end
# Creates director...
Algorithm for Determining Tic Tac Toe Game Over
... the pieces in the corresponding row, column, or diagonal, where
A piece from player A has value (1,0)
A piece from player B has value (0,1)
When a player places a piece, update the corresponding row pair, column pair, and diagonal pairs (if on the diagonals). If any newly updated row, column, o...
What is the difference between instanceof and Class.isAssignableFrom(…)?
..., you need to know the class of B at compile time. When using isAssignableFrom() it can be dynamic and change during runtime.
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Can an ASP.NET MVC controller return an Image?
...ass a file name (path) like this means they could potentially access files from anywhere on the server. Might want to warn people not to use it as-is.
– Ian Mercer
Jan 28 '11 at 7:53
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Text overflow ellipsis on two lines
...of me, that it
requires a strong moral principle to prevent me from deliberately stepping
into the street, and methodically knocking people's hats off – then, I account
it high time to get to sea as soon as I can.
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</div>
</div>...
How do I determine if my python shell is executing in 32bit or 64bit?
I need a way to tell what mode the shell is in from within the shell.
18 Answers
18
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Converting JavaScript object with numeric keys into array
I have an object like this coming back as a JSON response from the server:
16 Answers
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How to pass the value of a variable to the stdin of a command?
...that the first line(s) will be the contents of $var but the rest will come from cat reading its standard input. If the command does not do anything too fancy (try to turn on command line editing, or run like vim does) then it will be fine. Otherwise, you need to get really fancy - I think expect o...
How do I calculate someone's age in Java?
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@HoàngLong: From the JavaDocs: "This class does not represent a day, but the millisecond instant at midnight. If you need a class that represents the whole day, then an Interval or a LocalDate may be more suitable." We really do want to ...
Is it possible to implement a Python for range loop without an iterator variable?
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I understand now. The difference comes from the GC overhead, not from the "algorithm". By the way, I run a quick timeit benchmark and the speedup was ~1.42x.
– Cristian Ciupitu
Sep 27 '09 at 0:28
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