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Automatically capture output of last command into a variable using Bash?
...;2) because the standard output of tee must be redirected back to standard error.
– Hugues
Jan 30 '17 at 6:03
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OS X: equivalent of Linux's wget
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edited Sep 3 '17 at 20:05
Mark Amery
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an...
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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Shell command to sum integers, one per line?
...od times. :)
– L S
Mar 7 '12 at 16:05
2
just used this for a: count all documents’ pages scrip...
淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...行记录操作的并发度，同时也能控制单个商品占用数据库连接的数量，防止热点商品占用太多数据库连接。
数据库层做排队。应用层只能做到单机排队，但应用机器数本身很多，这种排队方式控制并发仍然有限，所以如果能...
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...
What is a Python equivalent of PHP's var_dump()? [duplicate]
...ort.
– Paul Biggar
Dec 21 '09 at 18:05
yep, var_export in php and repr in python are somewhat related - that's if you ...
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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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...