大约有 44,500 项符合查询结果（耗时：0.0275秒） [XML]
How to profile a bash shell script slow startup?
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If you have GNU date (or another version that can output nanoseconds), do this at the beginning ...
How to attach javadoc or sources to jars in libs folder?
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Count number of occurences for each unique value
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182
Perhaps table is what you are after?
dummyData = rep(c(1,2, 2, 2), 25)
table(dummyData)
# dumm...
How to find the kth largest element in an unsorted array of length n in O(n)?
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Regular expressions in C: examples?
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238
Regular expressions actually aren't part of ANSI C. It sounds like you might be talking about ...
What would cause an algorithm to have O(log log n) complexity?
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The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or
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Find which version of package is installed with pip
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As of pip 1.3, there is a pip show command.
$ pip show Jinja2
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Name: Jinja2
Version: 2.7.3
Location: /path/to/virtualenv/lib/python2.7/site-packages
Requires: markupsafe
In older versions, pip freeze and grep should do the job nicely.
$ pip freeze | grep Jinja2
Jinja2==2.7.3
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php中json_decode()和json_encode()的使用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...code()和json_encode()的使用方法1.json_decode()json_decode(PHP 5 >= 5.2.0, PECL json >= 1.2.0)json_decode — 对 JSON 格式的字符串进行编码说明mixed jso...1.json_decode()
(PHP 5 >= 5.2.0, PECL json >= 1.2.0)
对 JSON 格式的字符串进行编码
说明：
mixed json_decod...
Understanding the map function
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myildirim
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answered Jun 11 '12 at 1:51
davedave
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