What are the best practices to do transactions in C# .Net 2.0. What are the classes that should be used? What are the pitfalls to look out for etc. All that commit and rollback stuff. I'm just starting a project where I might need to do some transactions while inserting data into the DB. Any respons...

I have a specific project where I need to wrap every code line at 65 characters. I have set up the eclipse Java code formatter properly for this. But what I really want is a vertical line to be drawn in the editor showing where the max line width while I am typing, not just when I run the formmater....

Do properties in Objective-C 2.0 require a corresponding instance variable to be declared? For example, I'm used to doing something like this: ...

I just had some very strange behavior with a simple php script I was writing. I reduced it to the minimum necessary to recreate the bug: ...

In the following piece of code (taken from the Groovy Semantics Manual page ), why prefix the assignment with the keyword def ? ...

Could anybody give an example to demonstrate the usage of the Invariant Culture ? I don't understand what the documentation describes. ...

I would like to add some C# "debug only" code that only runs if the person debugging requests it. In C++, I used to do something similar to the following: ...

...atic Reference Counting in iOS 5. Now the first part of this question should be easy: 2 Answers ...

When I visit chesseng.herokuapp.com I get a response header that looks like 4 Answers ...

...ce of the points in the plot. I'm making scatterplots with tens of thousands of points and prefer a small, but not too small dot. Basically, I find pch='.' to be too small, but pch=19 to be too fat. Is there something in the middle or some way to scale the dots down somehow? ...