大约有 43,100 项符合查询结果（耗时：0.0769秒） [XML]
Iterate over the lines of a string
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144
Here are three possibilities:
foo = """
this is
a multi-line string.
"""
def f1(foo=foo): r...
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
...general_ci and you can't mix collations, so you have four options:
Option 1: add COLLATE to your input variable:
SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added
CALL updateProductUsers(@rUsername, @rProductID, @rPerm);
Option 2: add COLLATE to the WHERE clause:
CREATE PRO...
Storing custom objects in an NSMutableArray in NSUserDefaults
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177
For loading custom objects in an array, this is what I've used to grab the array:
NSUserDefau...
Getting “A potentially dangerous Request.Path value was detected from the client (&)”
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162
While you could try these settings in config file
<system.web>
<httpRuntime requ...
How to install a gem or update RubyGems if it fails with a permissions error
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You don't have write permissions into the /Library/Ruby/Gems/1.8 directory.
means exactly that, you don't have permission to write there.
That is the version of Ruby installed by Apple, for their own use. While it's OK to make minor modifications to that if you know what you're doin...
SSL Error: CERT_UNTRUSTED while using npm command
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319
You can bypass https using below commands:
npm config set strict-ssl false
or set the regist...
How do CDI and EJB compare? interact?
...s MVC framework (just example), and you are limited here, even using EJB 3.1 - you can't use @EJB annotation in Struts action, it is not managed by container. But when you add Struts2-CDI plugin, you can write there @Inject annotation for the same thing (so no more JNDI lookup needed). This way it e...
MySQL Great Circle Distance (Haversine formula)
... the closest 20 locations that are within a radius of 25 miles to the 37, -122 coordinate. It calculates the distance based on the latitude/longitude of that row and the target latitude/longitude, and then asks for only rows where the distance value is less than 25, orders the whole query by distanc...
Best practices for catching and re-throwing .NET exceptions
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