I am using PuTTY and the vi editor. If I select five lines using my mouse and I want to delete those lines, how can I do that? ...

Suppose you have any image (PNG or JPG). This image has a white background and I need to make this background transparent. ...

I want to be able to add a range and get updated for the entire bulk. 12 Answers 12 ...

I just merged a branch into my master in git and I got Automatic merge failed; fix conflicts and then commit the result. Now I ran git mergetool and vimdiff opened with the image below. I don't know how to use vimdiff. What does each panel here mean and how should I proceed to fix the merge conf...

This question talks about different payment processors and what they cost, but I'm looking for the answer to what do I need to do if I want to accept credit card payments? ...

I am binding a click event with a button: 13 Answers 13 ...

What's the best resource for learning how to write C code for use with R? I know about the system and foreign language interfaces section of R extensions, but I find it pretty hard going. What are good resources (both online and offline) for writing C code for use with R? ...

I'd like to see all the events fired by an input field as a user interacts with it. This includes stuff like: 12 Answers ...

I'm looking for some input on how to implement custom eventhandling in jquery the best way. I know how to hook up events from the dom elements like 'click' etc, but I'm building a tiny javascript library/plugin to handle some preview functionality. ...

I'd like to create a shape that's like the following image: 5 Answers 5 ...