Are JOIN queries faster than several queries? (You run your main query, and then you run many other SELECTs based on the results from your main query) ...

So i'm getting this error 7 Answers 7 ...

In a MySQL JOIN , what is the difference between ON and USING() ? As far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not identical. However, that difference is so minor, you'd think they'd just do away with USI...

I want to create unit tests easily by just selecting method. Is there a tool in eclipse that does that. It should support templates. I should be able to create positive test as well as negative tests. ...

How do I return a result from a function? 4 Answers 4 ...

A friend of mine downloaded some malware from Facebook, and I'm curious to see what it does without infecting myself. I know that you can't really decompile an .exe, but can I at least view it in Assembly or attach a debugger? ...

I have written a simple Java class to generate the hash values of the Windows Calculator file. I am using Windows 7 Professional with SP1 . I have tried Java 6.0.29 and Java 7.0.03 . Can someone tell me why I am getting different hash values from Java versus (many!) external utilities and/or ...

I already tried getting the current URL of my UIWebView with: webview.request.URL . Unfortunately the NSURL was empty. Anything wrong here? I am working with Xcode 3.2.2 beta 5. ...

What is the best/fastest way to upload a csv file into a mysql table? I would like for the first row of data be used as the column names. ...

Apple's docs specify that: 9 Answers 9 ...