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Most efficient way to cast List to List
...ot behave the same as arrays in Java. Arrays are covariant; that is, it is allowed to do this:
SubClass[] subs = ...;
BaseClass[] bases = subs;
This is allowed, because the array "knows" the type of its elements. If someone attempts to store something that isn't an instance of SubClass in the arr...
Visual Studio - Shortcut to Navigate to Solution Explorer
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Oh sorry, by selected I thought you meant actually opened. Escape will return to document, whilst keeping the selection, but it won't open the file. (Similar to ctrl + tab). Enter will actually open the file.
– keyboardP
Jun 4 '11 a...
What's is the difference between include and extend in use case diagram?
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@Blaze - All parts of the login flow, including those steps.
– Doug Knesek
Jan 21 '15 at 19:09
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How do I install PyCrypto on Windows?
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If you don't already have a C/C++ development environment installed that is compatible with the Visual Studio binaries distributed by Python.org, then you should stick to installing only pure Python packages or packages for which a Windows binary is available.
Fortunately, there are Py...
What to gitignore from the .idea folder?
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The doc recommends "share all the .iml module files", so a .gitignore with the following two lines should be fine: .idea/workspace.xml .idea/tasks.xml
– Kevin Ortman
Dec 30 '12 at 20:38
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Angular HttpPromise: difference between `success`/`error` methods and `then`'s arguments
According to AngularJS doc , calls to $http return the following:
6 Answers
6
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What is object slicing?
...uestions/274626#274636 for an example of how slicing occurs during method calls (which underscores the danger a little better than the plain assignment example).
– Blair Conrad
Nov 8 '08 at 13:53
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Hibernate throws MultipleBagFetchException - cannot simultaneously fetch multiple bags
...t<Child> is more appropriate than List<Child>, so unless you really need a List - go for Set
But remind that with using sets you won't eliminate the underlaying Cartesian Product as described by Vlad Mihalcea in his answer!
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MongoDB relationships: embed or reference?
...) size limit on a single document. In a world of GB of data this sounds small, but it is also 30 thousand tweets or 250 typical Stack Overflow answers or 20 flicker photos. On the other hand, this is far more information than one might want to present at one time on a typical web page. First cons...
How can a Metro app in Windows 8 communicate with a backend desktop app on the same machine?
... If anything this is the rule I would think that might be quoted "3.9 All app logic must originate from, and reside in, your app package You app must not attempt to change or extend the packaged content through any form of dynamic inclusion of code or data that changes how the application inter...