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Debugging in Clojure? [closed]
...selected functions.
(use 'clojure.contrib.trace)
(defn fib[n] (if (< n 2) n (+ (fib (- n 1)) (fib (- n 2)))))
(dotrace [fib] (fib 3))
produces the output:
TRACE t4425: (fib 3)
TRACE t4426: | (fib 2)
TRACE t4427: | | (fib 1)
TRACE t4427: | | => 1
TRACE t4428: | | (fib 0...
Is there a way to pass optional parameters to a function?
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The Python 2 documentation, 7.6. Function definitions gives you a couple of ways to detect whether a caller supplied an optional parameter.
First, you can use special formal parameter syntax *. If the function definition has a formal p...
How can I add new keys to a dictionary?
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edited Jun 11 at 8:28
cs95
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answered ...
Format output string, right alignment
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232
Try this approach using the newer str.format syntax:
line_new = '{:>12} {:>12} {:>...
Benchmarking (python vs. c++ using BLAS) and (numpy)
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jfsjfs
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How to do what head, tail, more, less, sed do in Powershell? [closed]
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edited Mar 31 '16 at 5:42
answered Mar 13 '12 at 10:51
Jo...
How to change Vagrant 'default' machine name?
... to test all of them to see exactly what they do.
I'm using VirtualBox 4.2.16-r86992 and Vagrant 1.3.3.
I created a directory called nametest and ran
vagrant init precise64 http://files.vagrantup.com/precise64.box
to generate a default Vagrantfile. Then I opened the VirtualBox GUI so I could...
How to create empty text file from a batch file?
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238
echo. 2>EmptyFile.txt
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How can I check the system version of Android?
Does anyone know how can I check the system version (e.g. 1.0 , 2.2 , etc.) programatically?
13 Answers
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How do I raise the same Exception with a custom message in Python?
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12 Answers
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