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IN vs OR in the SQL WHERE Clause

...rding to the manual for MySQL if the values are constant IN sorts the list and then uses a binary search. I would imagine that OR evaluates them one by one in no particular order. So IN is faster in some circumstances. The best way to know is to profile both on your database with your specific dat...
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TypeLoadException says 'no implementation', but it is implemented

...wer This can happen if you add a method to an interface in one assembly, and then to an implementing class in another assembly, but you rebuild the implementing assembly without referencing the new version of the interface assembly. In this case, DummyItem implements an interface from another ass...
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How do I have to configure the proxy settings so Eclipse can download new plugins?

... I had the same problem. I installed Eclipse 3.7 into a new folder, and created a new workspace. I launch Eclipse with a -data argument to reference the new workspace. When I attempt to connect to the marketplace to get the SVN and Maven plugins, I get the same issues described in OP. After...
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INSERT with SELECT

...t a constant of the same type as gid in its place, not just 1, of course. And, I just made up the cid value. share | improve this answer | follow | ...
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Version of SQLite used in Android?

What is the version of SQLite used in Android? 5 Answers 5 ...
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How to replace a character with a newline in Emacs?

... to replace a character - say ; - with a new line using replace-string and/or replace-regexp in Emacs. 6 Answers ...
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Able to push to all git remotes with the one command?

...xargs -L1 -I R git push R master (Bonus) To make a git alias for the command: git config --global alias.pushall '!git remote | xargs -L1 git push --all' Running git pushall will now push all branches to all remotes. sha...
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Array initialization syntax when not in a declaration

...me of the array creation / initialization constructs were not in Java 1.0, and (IIRC) were added in Java 1.1. But "why" is immaterial ... the restriction is there, and you have to live with it. I know how to work around it, but from time to time it would be simpler. You can write this: AClas...
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Resize a large bitmap file to scaled output file on Android

...ap (say 3888x2592) in a file. Now, I want to resize that bitmap to 800x533 and save it to another file. I normally would scale the bitmap by calling Bitmap.createBitmap method but it needs a source bitmap as the first argument, which I can't provide because loading the original image into a Bitmap...
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注IT技能提升

...tly have had a need for a decent grid control that has the ability to edit and display numbers, among other things. The best one that I could come up with within my price range (free) was Chris Maunder's MFC Grid 2.25 [^]. But unfortunately, for me it needed some modifications to get it to work the...