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Does the join order matter in SQL?
...R joins, yes, the order matters - and (updated) things are much more complicated.
First, outer joins are not commutative, so a LEFT JOIN b is not the same as b LEFT JOIN a
Outer joins are not associative either, so in your examples which involve both (commutativity and associativity) properties:
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Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
...views, and that's done with those properties:
edgesForExtendedLayout
Basically, with this property you set which sides of your view can be extended to cover the whole screen. Imagine that you push a UIViewController into a UINavigationController. When the view of that view controller is laid out, ...
Why would finding a type's initializer throw a NullReferenceException?
...ystem.Reflection.BindingFlags, System.Reflection.Binder, System.Reflection.CallingConventions, System.Type[], System.Reflection.ParameterModifier[])+0xa3:
000007fe`e5735403 488b4608 mov rax,qword ptr [rsi+8] ds:00000000`00000008=????????????????
Trying to load from [rsi+8] when @rsi is ...
Mongodb Explain for Aggregation framework
Is there an explain function for the Aggregation framework in MongoDB? I can't see it in the documentation.
3 Answers
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Why is it possible to recover from a StackOverflowError?
... of the currently active function
delete its stack frame, proceed with the calling function
abort the execution of the caller
delete its stack frame, proceed with the calling function
and so on...
... until the exception is caught. This is normal (in fact, necessary) and independent of which excep...
How does Git handle symbolic links?
...T that does not support symbolic links, and your repository uses them, you can set core.symlinks configuration variable to false, and symlinks would be checked out as small plain text files that contain the link text.
– Jakub Narębski
Jun 5 '09 at 9:42
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
... Package Manager Console.
NuGet 2.0 doesn't handle re-targeting your applications very well. In order to change your packages' target frameworks, you must uninstall and reinstall the packages (taking note of the packages you had installed so that you can reinstall each of them).
The reason packag...
How to publish a website made by Node.js to Github Pages?
...static HTML pages. No server side technology is supported, so Node.js applications won't run on GitHub pages. There are lots of hosting providers, as listed on the Node.js wiki.
App fog seems to be the most economical as it provides free hosting for projects with 2GB of RAM (which is pretty good if...
What exactly do “IB” and “UB” mean?
..., but requires that it be defined.
Using implementation-defined behaviour can be useful, but makes your code less portable.
UB: Undefined Behaviour. The standard does not specify how a program invoking undefined behaviour should behave. Also known as "nasal demons" because theoretically it could m...
What arguments are passed into AsyncTask?
... should I put, and where exactly will it go? Do I need to include all 3 or can I include 1,2,20?
5 Answers
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