大约有 40,000 项符合查询结果（耗时：0.0805秒） [XML]
AngularJS directive with default options
...set of default options for my (element) directive, which can be overridden by specifying the option value in an attribute.
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Select something that has more/less than x character
...owever, because the index might not be very selective for your condition. By this I mean the following: you're asking for rows where the name's length is more than 4. Let's assume that 80% of the employee names in that table are longer than 4. Well, then the database is likely going to conclude (...
Call static method with reflection
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You could really, really, really optimize your code a lot by paying the price of creating the delegate only once (there's also no need to instantiate the class to call an static method). I've done something very similar, and I just cache a delegate to the "Run" method with the help ...
How to generate service reference with only physical wsdl file
...and look at the top. If you see lines that have an import in them followed by a schemaLocation that points to an xsd path, you'll need those xsd files as well.
– Lynn Crumbling
Oct 3 '12 at 14:44
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How to parse XML to R data frame
... answer. If anybody else stumbles across it, here's the link to a tutorial by Hadley on using xml2: blog.rstudio.com/2015/04/21/xml2
– Richard Erickson
Feb 1 '18 at 15:30
add ...
Best way to do nested case statement logic in SQL Server
... was suprised to find that it does. So if condition1 checked for a divide by zero, it appears that it's safe to do it in condition2. Not sure if this is guaranteed.
– Cade Roux
Feb 3 '09 at 3:34
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Run a single test method with maven
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Fixed the "No Tests Were Executed" error by downgrading to surefire 2.9
– qwerty
Jul 18 '12 at 7:58
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javac : command not found
...install java-devel or java-1.6.0-openjdk-devel, which both include javac.
By the way: you can find out which package provides javac with a yum search, e.g.
su -c 'yum provides javac'
on more recent releases of CentOS e.g. 6 the command changes to
su -c 'yum provides */javac'
Another note: usi...
Do I need to manually close an ifstream?
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No, this is done automatically by the ifstream destructor. The only reason you should call it manually, is because the fstream instance has a big scope, for example if it is a member variable of a long living class instance.
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What is the most efficient way to store tags in a database?
... tagname.
For displaying a list of tags, you simply use DISTINCT or GROUP BY, and of course you can count how many times a tag is used easily, too.
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