大约有 16,199 项符合查询结果(耗时:0.0303秒) [XML]
Check if a row exists, otherwise insert
I need to write a T-SQL stored procedure that updates a row in a table. If the row doesn't exist, insert it. All this steps wrapped by a transaction.
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Convert Linq Query Result to Dictionary
I want to add some rows to a database using Linq to SQL, but I want to make a "custom check" before adding the rows to know if I must add, replace or ignore the incomming rows.
I'd like to keep the trafic between the client and the DB server as low as possible and minimize the number of queries.
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iOS 7 status bar back to iOS 6 default style in iPhone app?
In iOS 7 the UIStatusBar has been designed in a way that it merges with the view like this:
25 Answers
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How do I migrate a model out of one django app and into a new one?
I have a django app with four models in it. I realize now that one of these models should be in a separate app. I do have south installed for migrations, but I don't think this is something it can handle automatically. How can I migrate one of the models out of the old app into a new one?
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Constructors in Go
I have a struct and I would like it to be initialised with some sensible default values.
11 Answers
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log4j configuration via JVM argument(s)?
What variables do I have to set/pass as arguments to the JVM to get log4j to run properly? And by properly I mean not complain and print to the console. Can I see a typical example?
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How to use CSS to surround a number with a circle?
I would like to surround a number in a circle like in this image:
18 Answers
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ADB Install Fails With INSTALL_FAILED_TEST_ONLY
I am having issues installing an apk to my device.
25 Answers
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What's the nearest substitute for a function pointer in Java?
I have a method that's about ten lines of code. I want to create more methods that do exactly the same thing, except for a small calculation that's going to change one line of code. This is a perfect application for passing in a function pointer to replace that one line, but Java doesn't have func...
Java RegEx meta character (.) and ordinary dot?
...out the difference between . (dot) the meta character and the normal dot as we using in any sentence. How to handle this kind of situation for other meta characters too like ( * , + , \d ,...)
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