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C#: Abstract classes need to implement interfaces?

... In C#, a class that implements an interface is required to define all members of that interface. In the case of an abstract class, you simply define those members with the abstract keyword: interface IFoo { void Bar(); } abstract class Foo : IFoo { public abstract void Bar(); } ...
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How to change past commit to include a missed file?

...s that the case even if I am the only user of the remote repo? Wouldn't it allow me to do git push -f if I am sure the upstream didn't change? – kolrie Jan 16 '13 at 22:48 1 ...
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How can you find out which process is listening on a port on Windows?

...Note Dane's recommendation for TCPView. It looks very useful! -a Displays all connections and listening ports. -b Displays the executable involved in creating each connection or listening port. In some cases well-known executables host multiple independent components, and in these cases the sequen...
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How to set .net Framework 4.5 version in IIS 7 application pool

I installed the Visual Studio 11 Beta and suddenly all the async action methods I had created under the VS 11 Developer preview started hanging (apparently this issue: http://blogs.msdn.com/b/pfxteam/archive/2012/03/03/10277166.aspx ). ...
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Difference between Big-O and Little-O Notation

... f ∈ O(g) says, essentially For at least one choice of a constant k > 0, you can find a constant a such that the inequality 0 <= f(x) <= k g(x) holds for all x > a. Note that O(g) is the set of all functions for which this condit...
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Should I be concerned about excess, non-running, Docker containers?

...running are not taking any system resources besides disk space. It is usually good to clean up after yourself, but if you have a lot of them sitting around it shouldn't slow down performance at all. If you do notice a slow down when running docker commands with lots of stopped containers, it mig...
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Batch file to copy directories recursively

... There are examples, 2/3 down the page. Of particular use is: To copy all the files and subdirectories (including any empty subdirectories) from drive A to drive B, type: xcopy a: b: /s /e share | ...
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What is the difference between include and extend in Ruby?

...end Mod. In this case the individual object gets Mod's methods even though all other objects with the same class as o do not. share | improve this answer | follow ...
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Finding the path of the program that will execute from the command line in Windows

Say I have a program X.EXE installed in folder c:\abcd\happy\ on the system. The folder is on the system path. Now suppose there is another program on the system that's also called X.EXE but is installed in folder c:\windows\ . ...
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How to open existing project in Eclipse

... Indeed - all the world's iOS programmers thank you! :) Now if I can only find an "AVD" ... – Fattie Nov 23 '13 at 18:08 ...