大约有 48,000 项符合查询结果(耗时:0.0823秒) [XML]
String.replaceAll single backslashes with double backslashes
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207
The String#replaceAll() interprets the argument as a regular expression. The \ is an escape ch...
MongoDB: How to query for records where field is null or not set?
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answered May 14 '12 at 21:55
jdijdi
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MySQL/SQL: Group by date only on a Datetime column
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294
Cast the datetime to a date, then GROUP BY using this syntax:
SELECT SUM(foo), DATE(mydate) F...
How to start an application without waiting in a batch file?
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JoeyJoey
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17
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How to pass a user defined argument in scrapy spider
...tp://doc.scrapy.org/en/latest/topics/spiders.html#spider-arguments
Update 2013: Add second argument
Update 2015: Adjust wording
Update 2016: Use newer base class and add super, thanks @Birla
Update 2017: Use Python3 super
# previously
super(MySpider, self).__init__(**kwargs) # python2
Update...
How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...thin a Python program as the variable
sys.path.
http://docs.python.org/2/using/cmdline.html#envvar-PYTHONPATH
What you're looking for is PATH.
export PATH=$PATH:/home/randy/lib/python
However, to run your python script as a program, you also need to set a shebang for Python in the first li...
How to go up a level in the src path of a URL in HTML?
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answered Jan 26 '11 at 22:43
lonesomedaylonesomeday
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Check if a string contains one of 10 characters
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213
The following would be the simplest method, in my view:
var match = str.IndexOfAny(new char[]...
ASP.NET MVC: Unit testing controllers that use UrlHelper
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202
Here is one of my tests (xUnit + Moq) just for similar case (using Url.RouteUrl in controller)...
Remove Select arrow on IE
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325
In IE9, it is possible with purely a hack as advised by @Spudley. Since you've customized heig...
