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Get top 1 row of each group
I have a table which I want to get the latest entry for each group. Here's the table:
20 Answers
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Delete all the queues from RabbitMQ?
I installed rabbitmqadmin and was able to list all the exchanges and queues. How can I use rabbitmqadmin or rabbitmqctl to delete all the queues.
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How to make/get a multi size .ico file? [closed]
I simply want to have an .ico file that has multiple sizes of the icon image contained within it. I'd like it for use in a cross-platform desktop application (so that, e.g. on Windows, the 16x16 size is used for the app's top bar but a 32x32 size version is used when the various open apps are shown...
How can I find the data structure that represents mine layout of Minesweeper in memory?
I'm trying to learn about reverse engineering, using Minesweeper as a sample application. I've found this MSDN article on a simple WinDbg command that reveals all the mines but it is old, is not explained in any detail and really isn't what I'm looking for.
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How do I check if a number evaluates to infinity?
I have a series of Javascript calculations that (only under IE) show Infinity depending on user choices.
7 Answers
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Error: free(): invalid next size (fast):
What is this strange error I'm getting? I'm compiling C++ using g++ on Ubuntu 10.10. It pops up randomly when I run the executable (maybe 2 times in 8 hours, with 10 compiles an hour). However, if I make clean and recompile it goes away most of the time.
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How will I know when to create an interface?
I'm at a point in my development learning where I feel like I must learn more about interfaces.
24 Answers
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Can I write into the console in a unit test? If yes, why doesn't the console window open?
I have a test project in Visual Studio. I use Microsoft.VisualStudio.TestTools.UnitTesting .
12 Answers
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Execute raw SQL using Doctrine 2
I want to execute raw SQL using Doctrine 2
8 Answers
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How do you disable the unused variable warnings coming out of gcc in 3rd party code I do not wish to
I'd like to know what switch you pass to the gcc compiler to turn off unused variable warnings? I'm getting errors out of boost on windows and I do not want to touch the boost code:
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