大约有 41,000 项符合查询结果（耗时：0.0595秒） [XML]
Quickly reading very large tables as dataframes
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438
An update, several years later
This answer is old, and R has moved on. Tweaking read.table to...
What is the optimal length for an email address in a database?
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134
The maximum length of an email address is 254 characters.
Every email address is composed of tw...
Change bootstrap navbar collapse breakpoint without using LESS
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edited Apr 4 '16 at 15:55
Julian E.
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Is log(n!) = Θ(n·log(n))?
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edited Mar 4 '18 at 0:38
nbro
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C++ sorting and keeping track of indexes
...aume Jacquenot
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answered Sep 13 '12 at 4:10
Łukasz WiklendtŁukasz Wiklendt
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jquery live hover
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jQuery 1.4.1 now supports "hover" for live() events, but only with one event handler function:
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How do I determine if a port is open on a Windows server? [closed]
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Assuming that it's a TCP (rather than UDP) port that you're trying to use:
On the server itse...
No module named MySQLdb
I am using Python version 2.5.4 and install MySQL version 5.0 and Django. Django is working fine with Python, but not MySQL. I am using it in Windows Vista.
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Easiest way to convert int to string in C++
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#include <string>
std::string s = std::to_string(42);
is therefore the shortest way I can think of. You can even omit naming the type, using the auto keyword:
auto s = std::to_string(42);
Note: see [string.conversions] (21.5 in n3242)
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Mongoose subdocuments vs nested schema
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answered May 11 '13 at 4:53
AndyLAndyL
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