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orderBy multiple fields in Angular
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Created Pipe for sorting. Accepts both string and array of strings, sorting by multiple values. Works for Angular (not AngularJS). Supports both sort for string and numbers.
@Pipe({name: 'orderBy'})
export class OrderBy implements P...
Is there a WebSocket client implemented for Python? [closed]
...nt how to handle the case when the server disconnects, as in i get broken pipe errors - writing to a closed pipe/socket/fd (probably the client disconnected) !!!
– Kanwal Prakash Singh
Apr 20 '16 at 8:54
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Bash history without line numbers
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Can we pipe in the output from the history command instead of reading the file?
– cwd
Aug 18 '11 at 15:45
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How can I select random files from a directory in bash?
...random sample of N files through using either a bash script or a list of piped commands?
12 Answers
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Removing colors from output
...|K] should probably be (m|K) or [mK], because you're not trying to match a pipe character. But that's not important right now.)
If you switch that final match in your command to [mGK] or (m|G|K), you should be able to catch that extra control sequence.
./somescript | sed -r "s/\x1B\[([0-9]{1,3}(;[...
Split output of command by columns using Bash?
...; done
will then output the 3rd column. As indicated in my comment...
A piped read will be executed in an environment that does not pass variables to the calling script.
out=$(ps whatever | { read a b c d; echo $c; })
arr=($(ps whatever | { read a b c d; echo $c $b; }))
echo ${arr[1]} # wil...
内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...用（实际上，一些 malloc 实现只能将内存归还给程序，而无法将内存归还给操作系统）。
物理内存和虚拟内存
要理解内存在程序中是如何分配的，首先需要理解如何将内存从操作系统分配给程序。计算机上的每一个进程都认...
Is there a Unix utility to prepend timestamps to stdin?
...p awk adds will be the time that the end of the line appeared on its input pipe.
If awk shows errors, then try gawk instead.
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how to show lines in common (reverse diff)?
...mm -1 -2 file1.sorted file2.sorted
# where file1 and file2 are sorted and piped into *.sorted
Here's the full usage of comm:
comm [-1] [-2] [-3 ] file1 file2
-1 Suppress the output column of lines unique to file1.
-2 Suppress the output column of lines unique to file2.
-3 Suppress the output col...
Best way to convert text files between character sets?
...d close file
filename.txt : path to the file
" : qotes are here because of pipes. (otherwise bash will use them as bash pipe)
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