What is the difference between hardware and software breakpoints? Are hardware breakpoints are said to be faster than software breakpoints, if yes then how, and also then why would we need the software breakpoints at all?This article provides a good

What is the difference between trunc() and as.integer()? Why is as.integer faster? Can anyone explain a bit what goes on behind the curtain? Why does trunc() return class double instead of integer? x <- c(-3.2, -1.8, 2.3, 1.5, 1.500000001, -1.4999999

What is the difference between Trap and Interrupt? If the terminology is different for different systems, then what do they mean on x86?A trap is an exception in a user process. It's caused by division by zero or invalid memory access. It's also the

What are the differences between #import and #include in Objective-C and are there times where you should use one over the other? Is one deprecated? I was reading the following tutorial: http://www.otierney.net/objective-c.html#preamble and its parag

What's the difference between struct and class in .NET? I'm looking for a clear, concise and accurate answer. Ideally as the actual answer, although links to good explanations are welcome.In .NET, there are two categories of types, reference types an

In following function, void swap(int * a, int * b) { int t; t = *a; // = *a *a = *b; // a* = *b = t; } What is the difference between = *a and *a =? I've heard that the * operator in = *a is a de-referencing(or in-directing) operator which fetches(?)

This question already has an answer here: What do lazy and greedy mean in the context of regular expressions? 8 answers Differences between (.*) and (.*?) [duplicate] 4 answers What is the difference between (.*) and (.*?) in regular expressions? I u

I was wondering what is the difference between __construct() and init() functions in a PHP application, more particularly in a Zend Framework application.init() is called by the constructor. init() isn't defined in the specification of PHP, it's only

My question is similar to "What is the difference between include and extend in Ruby?". What's the difference between require and include in Ruby? If I just want to use the methods from a module in my class, should I require it or include it?Wha

What is the Difference between SQL and SQL*Plus?SQL* Plus is a command line tool proprietary to Oracle. You can send SQL queries to the server using the tool. It can also help you format the result of a query. You should get a good head start on SQL*

I am trying to create a WPF database application. There seems to be a few good components that I can use for showing the data in the database tables. ListView and GridView seems to be popular for this usage. But for a novice, it's hard to see the dif

What is the difference between ndarray and array in Numpy? And where can I find the implementations in the numpy source code?Well, np.array is just a convenience function to create an ndarray, it is not a class itself. You can also create an array us

Possible Duplicate: In C# what is the difference between String and string In C# there are two string types. (The same for booleans, object, ect.). One that begins with uppercase and one lowercase. String and string. They seem to have the same method

What is the difference between XElement and XDocument and when do you use each?XDocument represents a whole XML document. It is normally composed of a number of elements. XElement represents an XML element (with attributes, children etc). It is part