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What is the definition of “interface” in object oriented programming
Ok, a friend of mine go back and forth on what "interface" means in programming.
16 Answers
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How do you print in Sublime Text 2
...eems like a great editor. I just started using it a week ago in eval mode and it doesn't seem to have any printing functionality. This seems preposterous to me, but I can't find it anywhere.
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Which kind of pointer do I use when?
...wrote C++ for a living, std::auto_ptr was all the std lib had available, and boost::shared_ptr was all the rage. I never really looked into the other smart pointer types boost provided. I understand that C++11 now provides some of the types boost came up with, but not all of them.
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How to delete/create databases in Neo4j?
...raph database Neo4j like in MySQL? Or, at least, how to delete all nodes and relationships of an existing graph to get a clean setup for tests, e.g., using shell commands similar to rmrel or rm ?
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How to close IPython Notebook properly?
... notebook as a single-user application, where the user is free to stop it, and as a multi-user server, where only an admin should be able to stop it. We haven't quite worked out how to handle the differences yet.
(For future readers, this is the situation with 0.12 released and 0.13 in development....
Textarea onchange detection
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You will need to use onkeyup and onchange for this. The onchange will prevent context-menu pasting, and the onkeyup will fire for every keystroke.
See my answer on How to impose maxlength on textArea for a code sample.
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Redefining NULL
I'm writing C code for a system where address 0x0000 is valid and contains port I/O. Therefore, any possible bugs that access a NULL pointer will remain undetected and at the same time cause dangerous behaviour.
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How will I know when to create an interface?
...s();
c.Process();
d.Process();
why not have them implement IProcessable, and then do
List<IProcessable> list;
foreach(IProcessable p in list)
p.Process();
this will scale much better when you add, say, 50 types of classes that all do the same thing.
Another concrete problem:
Have...
Java serialization: readObject() vs. readResolve()
The book Effective Java and other sources provide a pretty good explanation on how and when to use the readObject() method when working with serializable Java classes. The readResolve() method, on the other hand, remains a bit of a mystery. Basically all documents I found either mention only one o...
WPF Blurry fonts issue- Solutions
Problem is described and demonstrated on the following links:
11 Answers
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