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Foreign Key to multiple tables
...ticketOwnerName FROM Ticket t INNER JOIN Party p ON t.Owner=p.PartyId LEFT OUTER JOIN User u ON u.ID=p.PartyId LEFT OUTER JOIN Group g on g.ID=p.PartyID; In the result you would have every ticket subject and owner name.
– Corey McMahon
Sep 15 '17 at 15:59
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What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
...ake file.
Config mode (install)
<package>Config.cmake file located outside and produced by install
command of other project (Foo for example).
foo library:
> cat CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
project(Foo)
add_library(foo Foo.hpp Foo.cpp)
install(FILES Foo.hpp DEST...
What should I use Android AccountManager for?
...dapter and ContentProvidergo together.
You cannot have a SyncAdapter without an Account in the AccountManager.
You cannot have a SyncAdapterwithout a ContentProvider.
But you can:
use the ContentProvider without the others.
use the AccountManager without the others (but you cannot use an Accou...
Proper practice for subclassing UIView?
...View, the closest methosds I have are `awakeFromNib , drawRect , and layoutSubviews . (I'm thinking in terms of setup and teardown callbacks.) In my case, I'm setting up my frame and internal views in layoutSubviews , but I'm not seeing anything onscreen.
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In HTML5, should the main navigation be inside or outside the element?
In HTML5, I know that <nav> can be used either inside or outside the page's masthead <header> element. For websites having both secondary and main navigation, it seems common to include the secondary navigation as a <nav> element inside the masthead <header> element ...
Better explanation of when to use Imports/Depends
...nd checking of examples in .Rd files are indeed subtle and worth knowing about.
– Josh O'Brien
Dec 27 '11 at 6:31
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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
... other than a whole candidate key.
So to solve this, we take Topping Type out of the Pizzas table and make it a non-key attribute in a Toppings table.
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Named colors in matplotlib
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Thanks for the plot! Out of curiosity, is 'y' really different from 'yellow'? The first plot has them as different colors.
– ComputerScientist
Jul 26 '16 at 14:01
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Does using “new” on a struct allocate it on the heap or stack?
...I can make this any clearer.
Firstly, Ash is right: the question is not about where value type variables are allocated. That's a different question - and one to which the answer isn't just "on the stack". It's more complicated than that (and made even more complicated by C# 2). I have an article on...
REST, HTTP DELETE and parameters
...it must not rely on confirmations by holding any server-side information about of a request).
Two examples how to do this in UI would be to:
pre-HTML5:* show a JS confirmation dialog to the user, and send the request only if the user confirms it
HTML5:* use a form with action DELETE where the for...