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How can I use numpy.correlate to do autocorrelation?
...eve exactly what the A. Levy proposed. The body of the function could then read return numpy.correlate(x, x, mode='same')
– David Zwicker
Dec 2 '11 at 16:32
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Unpacking, extended unpacking and nested extended unpacking
...unpack
*(a,b), c = 1,2,3 # a = 1, b = 2, c = 3
I've already explained above why the first line throws an error. The second line is silly but here's why it works:
(*(a, b), c) = (1, 2, 3)
As previously explained, we work from the ends. 3 is assigned to c, and then the remainin...
Is < faster than
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@jontejj I'm very much aware of that. Did you even read my answer? I didn't state anything about the same number of instructions, I stated that they are compiled to essentially the exact same instrutcions, except one jump instruction is looking at one flag, and the other jump...
How best to determine if an argument is not sent to the JavaScript function
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@Cristoph: after reading your comment, I asked around. I was able to prove that string comparison is surely not (only) by pointer comparison since comparing a gigantic string takes longer than a small string. However, comparing two gigantic ...
What does O(log n) mean exactly?
... phone number. Take some white-out and remove each zero.
O(n · n!): We're ready to load the phonebooks onto the shipping dock. Unfortunately, the robot that was supposed to load the books has gone haywire: it's putting the books onto the truck in a random order! Even worse, it loads all the books o...
When to use symbols instead of strings in Ruby?
...ime you reference the symbol, saving memory. So every time the interpreter reads :my_key it can take it from memory instead of instantiate it again. This is less expensive than initializing a new string every time.
You can get a list all symbols that are already instantiated with the command Symbo...
Ruby on Rails: how to render a string as HTML?
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You can also use simple_format(@str) which removes malicious code. Read more here: http://api.rubyonrails.org/classes/ActionView/Helpers/TextHelper.html#method-i-simple_format
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How to stop a program running under Eclipse?
... that sine wave all the time. I have to go to DDMS, hunt down the right thread, select it, then find the STOP icon. Very lame.
– Vagrant
Mar 2 '11 at 5:58
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Akka or Reactor [closed]
...anguage choice, even if we are strongly committed to Groovy, people have already started Clojure and Kotlin ports. Add to this mix the fact that some requirements are driven by Spring XD and Grails.
Many thanks for your witnessed interest, hopefully you'll have more comparison points in a couple of...
xcodebuild says does not contain scheme
...comes unruly especially as project files are added, then removed, and then readded to the same workspace. All schemes, autogenerated or manually created, default to being 'private' schemes visible only to the current user even when .xcuserdata files are committed with the project's data and configur...
