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What is polymorphism, what is it for, and how is it used?
What is polymorphism, what is it for, and how is it used?
28 Answers
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How to find the sum of an array of numbers
Given an array [1, 2, 3, 4] , how can I find the sum of its elements? (In this case, the sum would be 10 .)
43 Answers
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JMS Topic vs Queues
I was wondering what is the difference between a JMS Queue and JMS Topic.
9 Answers
9
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DDD - the rule that Entities can't access Repositories directly
In Domain Driven Design, there seems to be lots of agreement that Entities should not access Repositories directly.
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Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]
I am doing a website for a Women's Abuse Resource Center. A lot of centers like this have what is referred to by the centers as a "Panic Button". An example of a basic one is found here at the top of every page in the green bar.
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Is MVC a Design Pattern or Architectural pattern
According to Sun and Msdn it is a design pattern.
10 Answers
10
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Performing Breadth First Search recursively
Let's say you wanted to implement a breadth-first search of a binary tree recursively . How would you go about it?
21 Answ...
Why is using “for…in” for array iteration a bad idea?
I've been told not to use for...in with arrays in JavaScript. Why not?
27 Answers
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Difference between __str__ and __repr__?
What is the difference between __str__ and __repr__ in Python?
23 Answers
23
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Can you animate a height change on a UITableViewCell when selected?
I'm using a UITableView in my iPhone app, and I have a list of people that belong to a group. I would like it so that when the user clicks on a particular person (thus selecting the cell), the cell grows in height to display several UI controls for editing the properties of that person.
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