大约有 10,900 项符合查询结果（耗时：0.0213秒） [XML]
MySQL - length() vs char_length()
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select length(_utf8 '€'), char_length(_utf8 '€')
--> 3, 1
As you can see the Euro sign occupies 3 bytes (it's encoded as 0xE282AC in UTF-8) even though it's only one character.
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Dynamic SELECT TOP @var In SQL Server
How can I have a dynamic variable setting the amount of rows to return in SQL Server? Below is not valid syntax in SQL Server 2005+:
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How to get svn remote repository URL?
I have an svn working copy on my local system. I want to get the remote repository URL. Is there some command for doing this?
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Remove leading and trailing spaces?
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You can use the strip() to remove trailing and leading spaces.
>>> s = ' abd cde '
>>> s.strip()
'abd cde'
Note: the internal spaces are preserved
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HQL ERROR: Path expected for join
I keep trying variations of this query and can't seem to make this happen. I've also referenced this post: Path Expected for Join! Nhibernate Error and can't seem to apply the same logic to my query. My User object has a UserGroup collection.
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Deprecated ManagedQuery() issue
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ops... no doesn't works in any case... if the uri starts with "file://" doesn't returns the right path
– AndreaF
Oct 3 '12 at 19:54
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Is it possible to set transparency in CSS3 box-shadow?
...ften isn't possible (a div that covers both a photo and white bg, in which case shadow looks pale on top of photo)
– jerclarke
Dec 16 '13 at 17:56
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How to compare types
...method for comparing them.
Note: If I remember correctly, there are some cases where this breaks down when the types involved are COM interfaces which are embedded into assemblies (via NoPIA). Doesn't sound like this is the case here.
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How to hide a View programmatically?
In my application, I have 2 LinearLayout 's right above each other. Via a menu option, I want to be able to make the bottom one disappear, and have the top one drop down over the disappeared LinearLayout .
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MVC3 Razor: Displaying html within code blocks
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You could use @: to escape:
@if(Model.foo)
{
@:Hello World
}
or the special <text> tag which is not outputted in the response:
@if(Model.foo)
{
<text>Hello World</text>
}
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