This is supposed to be a working project from my friend. He demonstrated the project right in front of me, and then I copied the project, imported it as an existing maven project (I'm using m2eclipse plugin). ...

I want a value to be set to NULL if nothing is put into the text box in the form I'm submitting. How can I make this happen? I've tried inserting 'NULL' but this just adds the word NULL into the field. ...

I'm trying to load a html file into my UIWebView but it won't work. Here's the stage: I have a folder called html_files in my project. Then I created a webView in interface builder and assigned an outlet to it in the viewController. This is the code I'm using to append the html file: ...

I installed all of my gems using bundler via the Gemfile. I thought (mistakenly) that if I deleted a gem from my Gemfile and ran 'bundle install' that the deleted gems would be uninstalled. I've looked at the bundler help file and, so far as I can tell, it does not have a way to uninstall gems. ...

I need to detect when I have network connectivity over WIFI. What broadcast is sent to establish that a valid network connection has been made. I need to validate that a valid network connection for HTTP exists. What should I listen for and what additional tests do I need to make to know that a v...

Which is more widely supported: window.onload or document.onload ? 9 Answers 9 ...

I just came home from my exam in network-programming, and one of the question they asked us was "If you are going to stream video, would you use TCP or UDP? Give an explanation for both stored video and live video-streams" . To this question they simply expected a short answer of TCP for stored vid...

Here are the brief definitions of encapsulation and abstraction. 13 Answers 13 ...

Is there a way to find how many values an array has? Detecting whether or not I've reached the end of an array would also work. ...

For templates I have seen both declarations: 6 Answers 6 ...