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Overloading and overriding
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Overloading
Overloading is when you have multiple methods in the same scope, with the same name but different signatures.
//Overloading
public class test
{
public void getStuff(int id)
{}
public void getStuff(string name)
{}
}
Overriding
Overriding is a...
Implement Stack using Two Queues
... into queue2
dequeue and return the last item of queue1, then switch the names of queue1 and queue2
Version B (efficient pop):
push:
enqueue in queue2
enqueue all items of queue1 in queue2, then switch the names of queue1 and queue2
pop:
deqeue from queue1
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How do I do an OR filter in a Django query?
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@AlexisK Use something like reduce(lambda q, f: q | Q(creator=f), filters, Q()) to create the big Q object.
– Phob
Aug 21 '12 at 22:23
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How can I round a number in JavaScript? .toFixed() returns a string?
Am I missing something here?
11 Answers
11
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How to squash commits in git after they have been pushed?
...git push origin +master
Difference between --force and +
From the documentation of git push:
Note that --force applies to all the refs that are pushed, hence using
it with push.default set to matching or with multiple push
destinations configured with remote.*.push may overwrite refs o...
Node.js: what is ENOSPC error and how to solve?
...h takes up 540 bytes (32-bit system), or 1 kB (double - on 64-bit). This comes out of kernel memory, which is unswappable. So, assuming you set the max at 524288, and all were used (improbable), you'd be using approx. 256MB/512MB of 32-bit/64-bit kernel memory.
– Murali Krishna...
Reserved keywords in JavaScript
What JavaScript keywords (function names, variables, etc) are reserved?
8 Answers
8
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How to center canvas in html5
...w 800x600, it should resize as well(but that's not very important at the moment)
9 Answers
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Lombok annotations do not compile under Intellij idea [duplicate]
It seems everything is OK. But when I compile a test, errors come: can not find the methods getXXX and setXXX.
11 Answers
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Spring MVC: How to perform validation?
...nest and best way to perform form validation of user inputs. I have seen some developers implement org.springframework.validation.Validator . A question about that: I saw it validates a class. Does the class have to be filled manually with the values from the user input, and then passed to the vali...