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how perform grep operation on all files in a directory
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If you decide to use find, pipe the output through xargs rather than using -exec this will be much faster, because -exec spawns a new process for each grep, and the overhead becomes significant with a large number of files. Standard warnings about spac...
Performance optimization strategies of last resort [closed]
...mory, can cause a certain pathological behavior that causes the entire CPU pipeline to clear on a load op. Find places where floats, vectors, and ints are being cast to one another and eliminate them. Use __restrict liberally to promise the compiler about aliasing.
Microcoded operations. Most proces...
Is there a command to list SVN conflicts?
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On Linux, if you want to see only the conflicts, pipe the status through grep.
svn status | grep -P '^(?=.{0,6}C)'
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为什么说自媒体到了最危险的时期? - 资讯 - 清泛网 - 专注C/C++及内核技术
...,写作者肯定得费一番精力的。所以注定佳作频出很难,无法成为一个常态。著名编剧、微博大v史航说:“写不出稿子或本子的时候,我就对生活更增加热爱,一般会去逛旧书店,买很多书,像你们女人失恋了就去买衣服买鞋...
中关村服务辐射百万创业者 - 资讯 - 清泛网 - 专注C/C++及内核技术
...总规模10亿元的科创资本·崂山新兴产业基金;发布了TMT-PIPE基金,第一期规模10亿元。
“如果创业者对此类投融资方式不感兴趣,还可以尝试科创资本与中科招商携手打造的‘零一股权众筹平台’,以及‘科创小额贷...
How to merge YAML arrays?
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Clever. I'm using it in our Bitbucket pipeline now. Thanks
– Dariop
Oct 9 '19 at 14:03
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How to strip leading “./” in unix “find”?
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You can use \0 instead of \n if you want to pipe it to xargs -0 (eg in case filenames contain whitespace), eg find -type f -printf '%P\0' | xargs -0 head
– seanf
Jun 2 '17 at 3:05
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Go to beginning of line without opening new line in VI
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There is another way:
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That is the "pipe" - the symbol found under the backspace in ANSI layout.
Vim quickref (:help quickref) describes it as:
N | to column N (default: 1)
What about wrapped lines?
If you have wrap lines enabled, 0 and | will ...
What are the differences between the threading and multiprocessing modules?
...iprocessing.Queue objects explicitly. (There are plenty of other options—pipes, sockets, files with flocks, … but the point is, you have to do something manually if the automatic magic of an Executor is insufficient.)
But what if you can't even rely on message passing? What if you need two jobs...
Add a prefix string to beginning of each line
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Don't forget you can also use sed in a pipeline, e.g. foo | sed -e 's/^/x /' | bar.
– zigg
Mar 13 '14 at 18:11
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