大约有 15,210 项符合查询结果（耗时：0.0381秒） [XML]
Dump Mongo Collection into JSON format
...V. You can specify a filter for the query, or a list of fields to output
Read more here: http://www.mongodb.org/display/DOCS/mongoexport
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Get element from within an iFrame
...innerDoc = iframe.contentDocument || iframe.contentWindow.document; //more readable and means the same
– David Snabel-Caunt
Jul 6 '09 at 18:40
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An example of how to use getopts in bash
...rguments to avoid confusion and clarify the options we are parsing so that reader of the commands can understand what's happening.
What is getopt?
getopt is used to break up (parse) options in command lines for easy parsing by shell procedures, and to check for legal options. It uses the GNU getop...
Pointers vs. values in parameters and return values
...ices, you don't need to pass a pointer to change elements of the array. io.Reader.Read(p []byte) changes the bytes of p, for instance. It's arguably a special case of "treat little structs like values," since internally you're passing around a little structure called a slice header (see Russ Cox (rs...
How do I repeat an edit on multiple lines in Vim?
...ptures initial whitespace and saves it into a register, which you can then read with \1.
– Svante
Dec 10 '08 at 12:59
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How can I stop a running MySQL query?
... then I run a SELECT query that is too big. It prints and prints and I already know this is not what I meant. I would like to stop the query.
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How to update column with null value
...ause PHPMyAdmin claimed there was an unrecognised keyword near NULL. After reading your answer, I ran the query and it executed as intended.
– dading84
Aug 2 '16 at 10:06
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unix diff side-to-side results?
...hen it's not immediately obvious from diff.
IMHO, its output is much more readable than diff -y.
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Android Lint contentDescription warning
... attribute to specify a textual description of the widget such that screen readers and other accessibility tools can adequately describe the user interface.
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MySQL - force not to use cache for testing speed of query
...out mysql Query cache. How to setup and see the cache in action! Worth the read. databasejournal.com/features/mysql/article.php/3110171/…
– Adrian P.
Feb 20 '14 at 18:03
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