大约有 45,000 项符合查询结果(耗时:0.0300秒) [XML]

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sed or awk: delete n lines following a pattern

How would I mix patterns and numeric ranges in sed (or any similar tool - awk for example)? What I want to do is match certain lines in a file, and delete the next n lines before proceeding, and I want to do that as part of a pipeline. ...
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How does the extend() function work in jQuery?

...arameter. Returns the first parameter. This is useful for combining user and default option-objects together to get a complete set of options: function foo(userOptions) { var defaultOptions = { foo: 2, bar: 2 }; var someOtherDefaultOptions = { baz: 3 }; var allOptions = jQu...
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Why is the Windows cmd.exe limited to 80 characters wide?

...my terminal on unix. What is the history or reason behind windows lame command line? 14 Answers ...
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Is JavaScript guaranteed to be single-threaded?

...aded in all modern browser implementations, but is that specified in any standard or is it just by tradition? Is it totally safe to assume that JavaScript is always single-threaded? ...
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How to monitor network calls made from iOS Simulator

...rk request, displaying extended request details, including support for SSL and various request/reponse format, like JSON, etc... You can also configure it to sniff only requests to specific servers, not the whole traffic. It's commercial software, but there is a trial, and IMHO it's definitively a...
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How can I split a text into sentences?

...Russian -- see can NLTK/pyNLTK work “per language” (i.e. non-english), and how?. – martineau Jan 2 '11 at 0:28 ...
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How can I view live MySQL queries?

... You can run the MySQL command SHOW FULL PROCESSLIST; to see what queries are being processed at any given time, but that probably won't achieve what you're hoping for. The best method to get a history without having to modify every application using ...
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How to Decrease Image Brightness in CSS

...ticle about it here: http://www.html5rocks.com/en/tutorials/filters/understanding-css/ An another: http://davidwalsh.name/css-filters And most importantly, the W3C specs: https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html Note this is something that's only very recently coming into CSS a...
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What does “&” at the end of a linux command mean?

I am a system administrator and I have been asked to run a linux script to clean the system. 4 Answers ...
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find first sequence item that matches a criterion [duplicate]

What would be the most elegant and efficient way of finding/returning the first list item that matches a certain criterion? ...