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LEFT OUTER joins in Rails 3

...In Rails 3, this is the only way to have true control over your joins and know exactly what's going on. – Joshua Pinter Jan 29 '18 at 16:26 add a comment  |...
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How can building a heap be O(n) time complexity?

...t of the nodes we are calling siftDown from the bottom of the tree, we are now calling siftDown from the top of the tree on each iteration! Although the tree is shrinking, it doesn't shrink fast enough: The height of the tree stays constant until you have removed the first half of the nodes (when yo...
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How is “int* ptr = int()” value initialization not illegal?

... @NeilG: This stays the same in C++11, though there is now also a nullptr, which you can use instead of 0 or NULL in new code. – Jerry Coffin Nov 9 '11 at 23:02 ...
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How and when to use ‘async’ and ‘await’

...t need the result of LongRunningOperationAsync can be done here //and now we call await on the task int result = await longRunningTask; //use the result Console.WriteLine(result); } public async Task<int> LongRunningOperationAsync() // assume we return an int from this long...
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How do I extend a class with c# extension methods?

... { public static DateTime Tomorrow { get { return DateTime.Now.AddDays(1); } } } Which you would use like this: DateTime tomorrow = DateTimeHelper.Tomorrow; share | improve t...
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NuGet auto package restore does not work with MSBuild

...n't dated that I can see and I don't see how it says it is not recommended now? I'm on VS2013 and that button appears to work fine. I did not have the problem referenced, "So, you clicked "Enable Nuget Package Restore" and now your stuff doesn't build. The steps to fix it are painful, but less painf...
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Declaration of Methods should be Compatible with Parent Methods in PHP

... This has changed in PHP 5.4, btw: * E_ALL now includes E_STRICT level errors in the error_reporting configuration directive. See here: php.net/manual/en/migration54.other.php – Duncan Lock Nov 17 '12 at 1:08 ...
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How to select only 1 row from oracle sql?

...d, even if you never delete a row from the table! Even if it works for you now, it is never guaranteed to work in future versions. – D. Mika May 22 '17 at 8:10 ...
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How do I import other TypeScript files?

... I feel completely lost right now, no matter what I do, the compiler generates a separate .js for each .ts file and there are no "require" code in either of them... also " import moo=module("moo"); " gives an error that the name moo does not exist in the ...
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How can I use speech recognition without the annoying dialog in android phones

... Thanks for your advice. I'll try now – Jim31837 Jun 11 '11 at 16:27 10 ...