大约有 47,000 项符合查询结果(耗时:0.0578秒) [XML]

https://stackoverflow.com/ques... 

T-SQL datetime rounded to nearest minute and nearest hours with using functions

In SQL server 2008, I would like to get datetime column rounded to nearest hour and nearest minute preferably with existing functions in 2008. ...
https://stackoverflow.com/ques... 

Matplotlib - global legend and title aside subplots

... | edited Mar 13 at 17:30 answered Feb 10 '12 at 0:47 orb...
https://stackoverflow.com/ques... 

How do I install the OpenSSL libraries on Ubuntu?

I'm trying to build some code on Ubuntu 10.04 LTS that uses OpenSSL 1.0.0. When I run make, it invokes g++ with the "-lssl" option. The source includes: ...
https://stackoverflow.com/ques... 

Convert list of dictionaries to a pandas DataFrame

... 1044 Supposing d is your list of dicts, simply: df = pd.DataFrame(d) Note: this does not work with...
https://stackoverflow.com/ques... 

Create an index on a huge MySQL production table without table locking

... [2017] Update: MySQL 5.6 has support for online index updates https://dev.mysql.com/doc/refman/8.0/en/innodb-online-ddl-operations.html#online-ddl-index-syntax-notes In MySQL 5.6 and higher, the table remains available for...
https://stackoverflow.com/ques... 

What is a regular expression for a MAC Address?

... The standard (IEEE 802) format for printing MAC-48 addresses in human-friendly form is six groups of two hexadecimal digits, separated by hyphens - or colons :. So: ^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$ ...
https://stackoverflow.com/ques... 

How can I replace a regex substring match in Javascript?

... 140 var str = 'asd-0.testing'; var regex = /(asd-)\d(\.\w+)/; str = str.replace(regex, "$11$2"); c...
https://stackoverflow.com/ques... 

How to use sed to replace only the first occurrence in a file?

...ript--- or, if you prefer: Editor's note: works with GNU sed only. sed '0,/foo/s//bar/' file Source share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Regex how to match an optional character

...e letter optional. {1} is redundant. (Of course you could also write [A-Z]{0,1} which would mean the same, but that's what the ? is there for.) You could improve your regex to ^([0-9]{5})+\s+([A-Z]?)\s+([A-Z])([0-9]{3})([0-9]{3})([A-Z]{3})([A-Z]{3})\s+([A-Z])[0-9]{3}([0-9]{4})([0-9]{2})([0-9]{2}) ...
https://stackoverflow.com/ques... 

How to determine if a point is in a 2D triangle? [closed]

... d2 = sign(pt, v2, v3); d3 = sign(pt, v3, v1); has_neg = (d1 < 0) || (d2 < 0) || (d3 < 0); has_pos = (d1 > 0) || (d2 > 0) || (d3 > 0); return !(has_neg && has_pos); } share ...