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How to check BLAS/LAPACK linkage in NumPy and SciPy?
... affairs?
– dmytro
Jan 19 '13 at 15:05
4
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Build an ASCII chart of the most commonly used words in a given text [closed]
...$<.read.downcase.scan(/[a-z]+/)-%w{the and of to a i it in or is}).group_by{|x|x}.map{|x,y|[-y.size,x]}.sort[0,22]
k,l=w[0]
puts [?\s+?_*m=76-l.size,w.map{|f,x|?|+?_*(f*m/k)+"| "+x}]
Instead of using any command line switches like the other solutions, you can simply pass the filename as argumen...
libpthread.so.0: error adding symbols: DSO missing from command line
...en I'm compiling openvswitch-1.5.0, I've encountered the following compile error:
14 Answers
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What is /dev/null 2>&1?
... I usually just use > for that reason.)
2>&1 redirects standard error (2) to standard output (1), which then discards it as well since standard output has already been redirected.
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How can I time a code segment for testing performance with Pythons timeit?
...e and after the block you want to time.
import time
t0 = time.time()
code_block
t1 = time.time()
total = t1-t0
This method is not as exact as timeit (it does not average several runs) but it is straightforward.
time.time() (in Windows and Linux) and time.clock() (in Linux) are not precise eno...
Reading a file line by line in Go
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From the same docs.. "If ReadString encounters an error before finding a delimiter, it returns the data read before the error and the error itself (often io.EOF)." So you can just check for io.EOF error and know your are done.
– eduncan911
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How to atomically delete keys matching a pattern using Redis
...ry in your Redis server, you'll run into the "too many elements to unpack" error. In that case, do:
for _,k in ipairs(redis.call('keys', ARGV[1])) do
redis.call('del', k)
end
As Kikito suggested.
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Learning Python from Ruby; Differences and Similarities
...se.
– Rafe Kettler
Jan 22 '11 at 23:05
5
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find -exec with multiple commands
...
TinkerTinker
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Move all files except one
... For ZSH user, instead of using shopt (which will give command not found error), add this to your .zshrc: setopt extended_glob then the syntax for glob will also change accordingly. Thus use mv ~/path/to/source^(exception) ~/path/to/target/folder should do
– Alex Xiong
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