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Automatically create an Enum based on values in a database lookup table?

... | 2 | Yellow | ---------------------------------- Construct a select to get the values you need: select * from enums e inner join enum_values ev on ev.enums_id=e.id where e.id=0 Construct the source code for the enum and you'll get something like: String enumSourceCode = "enum " + e...
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Group by with multiple columns using lambda

....Key.Country == "Ireland" && a.Key.Gender == "M") .SelectMany(a => a) .ToList(); Where CustomerGroupingKey takes the group keys: private class CustomerGroupingKey { public CustomerGroupingKey(string country, string gender) { ...
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Where is the warnings screen option in Android Studio?

...bar, you click Analyze -> Inspect Code; then in the window that pops up select how much of your project you want to inspect (I usually do Whole Project, but you might want to select a specific module), then click okay. Android Studio will work for a bit, then the inspection window will pop up f...
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Disable Automatic Reference Counting for Some Files

...t messages by any means (including timers and delayed performs, which use @selector) is banned in ARC code. So you can't do non-ARC in an ARC class (because the necessary messages are banned) and you can't do ARC in a non-ARC class (because ARC adds syntax elements that are invalid without ARC). Th...
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How to generate a random number in C++?

...me(CLOCK_REALTIME, &tm); return tm.tv_nsec; } int main (int argc, char* argv[]) { unsigned int dice_rolls = 12; random::mt19937 rng(current_time_nanoseconds()); random::uniform_int_distribution<> six(1,6); for(unsigned int i=0; i<dice_rolls; i++){ cout <...
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Paused in debugger in chrome?

...caught exceptions" is active. In your case, if you don't want to pause, select Don't pause on exceptions. To select, toggle the pause button till it become grey. share | improve this answer ...
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关于php的socket初探 - PHP - 清泛IT论坛,有思想、有深度

...连接的模型都应该被称为多路复用,目前比较常用的有 select/poll/epoll/kqueue 这些 IO 模型(目前也有像 Apache 这种每个连接用单独的进程/线程来处理的 IO 模型,但是效率相对比较差,也很容易出问题,所以暂时不做介绍了)。在...
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Why does Sql Server keep executing after raiserror when xact_abort is on?

... catch block will be executed on raiserror("message", 17, 1) begin catch select @ErrorNumber = ERROR_NUMBER(), @ErrorMessage = ERROR_MESSAGE(), @ErrorSeverity = ERROR_SEVERITY(), @ErrorState = ERROR_STATE(), @ErrorLine = ERROR_LINE(), @ErrorProcedure = ERROR_PROCEDURE(); inser...
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What does android:layout_weight mean?

... A much better explanation than the currently selected answer. – Shade Mar 17 '12 at 15:45 12 ...
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SVN checkout ignore folder

...to 1.5 I have found that if you checkout only the top most folder and then selectively update, from then on updates only effect what you have checked out. Ie. svn co -N foo cd foo svn up -N bar svn up The -N flag makes the operation non-recursive. The above will not check out anything else at the...