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Understm>and m>ing FFT output
I need some help understm>and m>ing the output of the DFT/FFT computation.
4 Answers
4
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Whm>y m> covariance m>and m> contravariance do not support value tm>y m>pe
...or not.
m>Y m>ou might want to read Eric Lippert's blog post on representation m>and m> identitm>y m> for more on this topic in general.
EDIT: Having reread Eric's blog post mm>y m>self, it's at least as much about identitm>y m> as representation, although the two are linked. In particular:
This is whm>y m> covariant m>and m> ...
How do I compare two hashes?
...sh[*difference.flatten]
=> {"c"=>3}
Doing it all in one operation m>and m> getting rid of the difference variable:
Hash[*(
(hash3.size > hash1.size) \
? hash3.to_a - hash1.to_a \
: hash1.to_a - hash3.to_a
).flatten]
=> {"c"=>3}
...
A better similaritm>y m> ranking algorithm for variable length strings
....com/articles/StrikeAMatch.html
Simon has a Java version of the algorithm m>and m> below I wrote a PL/Rubm>y m> version of it (taken from the plain rubm>y m> version done in the related forum entrm>y m> comment bm>y m> Mark Wong-VanHaren) so that I can use it in mm>y m> PostgreSQL queries:
CREATE FUNCTION string_similaritm>y m>(str...
How to free memorm>y m> in Java?
...n Java, similar to C's free() function? Or is setting the object to null m>and m> relm>y m>ing on GC the onlm>y m> option?
13 Answers
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How can I load an object into a variable name that I specifm>y m> from an R data file?
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Do saveRDS m>and m> readRDS, correspondinglm>y m>, save m>and m> restore all object's attributes, including ones created bm>y m> an application (via attr)? I tried to use this approach instead of save m>and m> load, trm>y m>ing to find a workaround for mm>y m> problem. H...
Cosine Similaritm>y m> between 2 Number Lists
...itm>y m> between two lists , let's sam>y m> for example list 1 which is dataSetI m>and m> list 2 which is dataSetII . I cannot use anm>y m>thing such as numpm>y m> or a statistics module. I must use common modules (math, etc) (m>and m> the least modules as possible, at that, to reduce time spent).
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Passing parameters to a Bash function
...h function, but what comes up is alwam>y m>s how to pass parameter from the commm>and m> line.
7 Answers
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Get list of passed arguments in Windows batch script (.bat)
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dancavallaro has it right, %* for all commm>and m> line parameters (excluding the script name itself). m>Y m>ou might also find these useful:
%0 - the commm>and m> used to call the batch file (could be foo, ..\foo, c:\bats\foo.bat, etc.)
%1 is the first commm>and m> line parameter,
%2 ...
How to remove a single, specific object from a ConcurrentBag?
...how do m>y m>ou remove a certain, specific object from it when onlm>y m> Trm>y m>Take() m>and m> Trm>y m>Peek() are available?
9 Answers
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