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Why can't I have abstract static methods in C#?

...stantiated as such, they're just available without an object reference. A call to a static method is done through the class name, not through an object reference, and the Intermediate Language (IL) code to call it will call the abstract method through the name of the class that defined it, not nece...
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What are the advantages of using nullptr?

...oid f(char const *ptr); void f(int v); f(NULL); //which function will be called? Which function will be called? Of course, the intention here is to call f(char const *), but in reality f(int) will be called! That is a big problem1, isn't it? So, the solution to such problems is to use nullptr: ...
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How to redirect cin and cout to files?

...out << word << " "; //output to the file out.txt f(); //call function std::cin.rdbuf(cinbuf); //reset to standard input again std::cout.rdbuf(coutbuf); //reset to standard output again std::cin >> word; //input from the standard input std::cout <&lt...
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Using Mockito to test abstract classes

..." subclass - the Mock is the subclass. use Mockito.mock(My.class, Mockito.CALLS_REAL_METHODS), then mock any abstract methods that are invoked. Example: public abstract class My { public Result methodUnderTest() { ... } protected abstract void methodIDontCareAbout(); } public class MyTest { ...
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What does this gdb output mean?

...o the issue you have posted above. This issue is filed by Apple under Bug ID# 10555404. I did file a report myself which has finally been identified as a dupe of the mentioned bug id. The issue currently persists up until and including Xcode Version 4.4.1 (4F1003), iOS SDK 5.1. Update This issue...
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PHP Fatal error: Using $this when not in object context

... @Sarfraz No offense, but it is still wrong. You can call an instance method with ::. It is against E_STRICT, but it does work as long as the method body does not reference the instance scope, e.g. uses $this. Also, self::foo will not point to $this->foo. It references a cla...
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How can I access “static” class variables within class methods in Python?

...: return foo bar = get_foo() Traceback (most recent call last): File "<pyshell#11>", line 1, in <module> class B(object): File "<pyshell#11>", line 5, in B bar = get_foo() File "<pyshell#11>", line 4, in get_foo return foo NameError: g...
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Differences between Intent and PendingIntent

...licationContext() or use it when you want it strictly, just read - when-to-call-activity-context-or-application-context (stackoverflow.com/questions/7298731/…). – My God Jun 17 '14 at 7:50 ...
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create multiple tag docker image

...ple tags on your images via the command line. Use this to list your image ids: $ docker images Then tag away: $ docker tag 9f676bd305a4 ubuntu:13.10 $ docker tag 9f676bd305a4 ubuntu:saucy $ docker tag eb601b8965b8 ubuntu:raring ... ...
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How to sort findAll Doctrine's method?

...d before reading this answer I ultimately used DQL to achieve this, but I didn't want to use DQL at the beginning because my controller did not have any DQL in it, and I wanted to stick to the code style the controller already had. This solutions works really good for me! – ILi...