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INSERT … ON DUPLICATE KEY (do nothing)

...). If you don't care about errors (conversion errors, foreign key errors) and autoincrement field exhaustion (it's incremented even if the row is not inserted due to duplicate key), then use INSERT IGNORE. share | ...
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How do I interpret precision and scale of a number in a database?

...rget that if you're using a system that allows you to pre-define precision and scale of an input for a percentage in something like Microsoft Access, you must consider the percent as it's whole number form. In this case, 25.5% would require precision 4 and scale of 3 (not one) since we have to cons...
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How do I show a Save As dialog in WPF?

I have a requirement in WPF/C# to click on a button, gather some data and then put it in a text file that the user can download to their machine. I can get the first half of this, but how do you prompt a user with a "Save As" dialog box? The file itself will be a simple text file. ...
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What is the entry point of swift code execution?

...ecution from somewhere. So what is the entry point of swift code execution and how is it decided? 5 Answers ...
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Example for sync.WaitGroup correct?

...rrect? It gives the expected result, but I am unsure about the wg.Add(4) and the position of wg.Done() . Does it make sense to add the four goroutines at once with wg.Add() ? ...
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How do I get AWS_ACCESS_KEY_ID for Amazon?

...ited Dec 17 '15 at 0:20 New Alexandria 6,07644 gold badges4747 silver badges6969 bronze badges answered Jan 29 '14 at 21:46 ...
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What is the difference between a .xib file and a .storyboard?

Can someone explain in simple words the difference between .xib and .storyboard? 6 Answers ...
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How to get jQuery to wait until an effect is finished?

... just the remove part. P.S. If any one is interested the book I read it in and have now found again is Learning JQuery - Better Interaction and Design. Thanks again – uriDium Jun 30 '09 at 20:23 ...
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How does Spring autowire by name when more than one matching bean is found?

...autowiring with qualifiers Since autowiring by type may lead to multiple candidates, it is often necessary to have more control over the selection process. One way to accomplish this is with Spring's @Qualifier annotation. This allows for associating qualifier values with specific arguments, narrow...
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Showing commits made directly to a branch, ignoring merges in Git

...anch then the easiest thing to do is to perform the merge on a local clone and then just look at the diff with the first parent before publishing the merge. share | improve this answer | ...