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On Duplicate Key Update same as insert
.... My question is quiet simple: Do I really need to specify all the fields (and values in my first example) if they are the same as in the insert? I just want to insert all or if there is a unique value match: update all.
– Roy
Jan 17 '13 at 16:36
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Split a vector into chunks in R
...along(d)/20))
More details: I think all you need is seq_along(), split() and ceiling():
> d <- rpois(73,5)
> d
[1] 3 1 11 4 1 2 3 2 4 10 10 2 7 4 6 6 2 1 1 2 3 8 3 10 7 4
[27] 3 4 4 1 1 7 2 4 6 0 5 7 4 6 8 4 7 12 4 6 8 4 2 7 6 5
[53] 4 5 ...
Func with out parameter
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ref and out are not part of the type parameter definition so you can't use the built-in Func delegate to pass ref and out arguments. Of course, you can declare your own delegate if you want:
delegate V MyDelegate<T,U,V>(T ...
What does “exited with code 9009” mean during this build?
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Did you try to give the full path of the command that is running in the pre- or post-build event command?
I was getting the 9009 error due to a xcopy post-build event command in Visual Studio 2008.
The command "xcopy.exe /Y C:\projectpath\project.config C:\compile...
Add a “hook” to all AJAX requests on a page
...every single AJAX request (either as it's about to get sent, or on events) and perform an action. At this point I'm assuming that there are other third-party scripts on the page. Some of these might use jQuery, while others do not. Is this possible?
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Pimpl idiom vs Pure virtual class interface
...would make a programmer to choose either Pimpl idiom or pure virtual class and inheritance.
10 Answers
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Why does C# have break if it's not optional? [duplicate]
...it fall-through behavior is often used to reduce the amount of code needed and often isn't an issue the first time that code is written. However, as code moves from the initial development phase into a maintenance phase, the code above can lead to subtle errors that are very hard to debug. These e...
What does MissingManifestResourceException mean and how to fix it?
...roblem was to right-click the Resources.resx file in the Solution Explorer and click Run Custom Tool. This re-generates the auto-generated Resources.Designer.cs file.
If the .resx file was added to the project manually, the Custom Tool property of the file must be set to "ResXFileCodeGenerator".
T...
VIM Disable Automatic Newline At End Of File
So I work in a PHP shop, and we all use different editors, and we all have to work on windows. I use vim, and everyone in the shop keeps complaining that whenever I edit a file there is a newline at the bottom. I've searched around and found that this is a documented behavior of vi & vim... but I w...
Difference between initLoader and restartLoader in LoaderManager
I'm completely lost regarding the differences between the initLoader and the restartLoader functions of the LoaderManager :
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