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Analyze audio using Fast Fourier Transform
...ts real and imaginary components. That is, if your coefficient is a + b*j, then its magnitude is sqrt(a^2 + b^2).
Once you have calculated the magnitude of each FFT coefficient, you need to figure out which audio frequency each FFT coefficient belongs to. An N point FFT will give you the frequency ...
Pass variables to Ruby script via command line
...
Something like this:
ARGV.each do|a|
puts "Argument: #{a}"
end
then
$ ./test.rb "test1 test2"
or
v1 = ARGV[0]
v2 = ARGV[1]
puts v1 #prints test1
puts v2 #prints test2
share
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WebDriver: check if an element exists? [duplicate]
...seconds, but also an other value, one sould store the old value first, and then leate reset it. But unfortunaly you can set the value, but not read it -- cool api
– Ralph
Jan 9 '12 at 15:02
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What is a clean, pythonic way to have multiple constructors in Python?
...thods (the normal ones), which have an instance object referenced as self. Then there are class methods (using @classmethod) which have a reference to the class object as cls. An finally there are static methods (declared with @staticmethod) which have neither of those references. Static methods are...
How do I use the lines of a file as arguments of a command?
...? Put Hello World on one line. You'll see it first run some_command Hello, then some_command World, not some_command "Hello World" or some_command Hello World.
– Charles Duffy
Aug 16 '19 at 2:26
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Is there a destructor for Java?
...rce it handles over a larger period of time, across multiple method calls, then try-with-resources won't help. Unless it's ok to close and reopen said resource at the rate said methods get called at - not a general fact.
– Eric
Nov 3 '15 at 17:36
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django templates: include and extends
... an include I write the exact data twice in both page1.html and page2.html then of course it does work. But I want to factor out that commonality into commondata.html.
– Net Citizen
Sep 11 '09 at 4:17
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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
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Suppose I generate the diagram and then update one of the source tables. How do I "refresh" the diagram to show the change I made to the source table?
– takanuva15
Oct 16 '17 at 0:22
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C# generic “where constraint” with “any generic type” definition?
...les the underlying generic type (e.g. it handles a property of said type), then it needs to know the type, which requires you to specify the type, which is option 1 (the only viable option then). However, if IGarrage<TCar> does not directly handle the underlying generic type (all the IGarrage&...
Difference between save and saveAndFlush in Spring data jpa
...her transactions. If a transaction's isolation level is READ_UNCOMMITTED，then it will see what has been flushed but not yet committed by other transactions.
– Gab是好人
Jan 31 '17 at 9:46
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