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What's the difference between :: (double colon) and -> (arrow) in PHP?
There are two distinct ways to access methods in PHP, but what's the difference?
6 Answers
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What does O(log n) mean exactly?
I am learning about Big O Notation running times and amortized times. I understand the notion of O(n) linear time, meaning that the size of the input affects the growth of the algorithm proportionally...and the same goes for, for example, quadratic time O(n2) etc..even algorithms, such as permu...
What is the difference between properties and attributes in HTML?
After the changes made in jQuery 1.6.1, I have been trying to define the difference between properties and attributes in HTML.
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Regular expression for floating point numbers
I have a task to match floating point numbers. I have written the following regular expression for it:
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JSON and XML comparison [closed]
I want to know which is faster: XML and JSON?
When to use which one ?
6 Answers
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How do I include inline JavaScript in Haml?
How can I write something like this to include in a template, but in Haml?
4 Answers
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What is the difference between i++ and ++i?
I've seen them both being used in numerous pieces of C# code, and I'd like to know when to use i++ or ++i ( i being a number variable like int , float , double , etc). Anyone who knows this?
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Why am I getting a “401 Unauthorized” error in Maven?
Why am I getting a "401 Unauthorized" error in Maven?
21 Answers
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SQL Server CTE and recursion example
I never use CTE with recursion. I was just reading an article on it. This article shows employee info with the help of Sql server CTE and recursion. It is basically showing employees and their manager info. I am not able to understand how this query works. Here is the query:
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