大约有 48,000 项符合查询结果（耗时：0.0650秒） [XML]
Using Emacs to recursively find and replace in text files not already open
...ld be easy, that especially stops me from getting more used to using Emacs and instead starting up the editor I'm already familiar with. I use the example here fairly often in editing multiple files.
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val() vs. text() for textarea
I am using jQuery, and wondering if I should use val() or text() (or another method) to read and update the content of a textarea.
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When is CRC more appropriate to use than MD5/SHA1?
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CRC works fine for detecting random errors in data that might occur, for example, from network interference, line noise, distortion, etc.
CRC is computationally much less complex than MD5 or SHA1. Using a hash function like MD5 is probably overkill for r...
TypeError: 'dict_keys' object does not support indexing
.... . . Or just list(d) which will give you a list of keys on both python2.x and python3.x without making any copies :-)
– mgilson
Aug 28 '14 at 5:15
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How to import a module given its name as string?
I'm writing a Python application that takes as a command as an argument, for example:
11 Answers
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How to save a data.frame in R?
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There is also dump and files created would be source()-ed, although the help(dump) page says save is "safer".
– IRTFM
Dec 1 '11 at 17:44
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Using forked package import in Go
Suppose you have a repository at github.com/someone/repo and you fork it to github.com/you/repo . You want to use your fork instead of the main repo, so you do a
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Why is exception.printStackTrace() considered bad practice?
...() writes the stack trace to System.err PrintStream. The System.err stream and the underlying standard "error" output stream of the JVM process can be redirected by
invoking System.setErr() which changes the destination pointed to by System.err.
or by redirecting the process' error output stream. ...
Long-held, incorrect programming assumptions [closed]
I am doing some research into common errors and poor assumptions made by junior (and perhaps senior) software engineers.
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drag drop files into standard html file input
These days we can drag & drop files into a special container and upload them with XHR 2. Many at a time. With live progress bars etc. Very cool stuff. Example here.
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