I was under the impression that accessing a union member other than the last one set is UB, but I can't seem to find a solid reference (other than answers claiming it's UB but without any support from the standard). ...

I want to create an iPhone app that uses a navigation scene similar to the one pictured in the link 10 Answers ...

How to print line numbers to the log. Say when outputting some information to the log, I also want to print the line number where that output is in the source code. As we can see in the stack trace, it displays the line number where the exception has occurred. Stack trace is available on the excepti...

Under which circumstances would you want to use code of this nature in c++? 6 Answers ...

In Bash, what is the simplest way to test if an array contains a certain value? 35 Answers ...

I've just introduced a friend to GNU Screen and they're having a hard time getting used to it. That makes me think about the essential things he needs to know about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What ar...

How do I convert a large Bitmap (photo taken with the phone's camera) to a Base64 String? 7 Answers ...

I'm looking for an ExecutorService implementation that can be provided with a timeout. Tasks that are submitted to the ExecutorService are interrupted if they take longer than the timeout to run. Implementing such a beast isn't such a difficult task, but I'm wondering if anybody knows of an existi...

I needed to reformat my computer and now I'm having trouble copying the settings/profiles over. 6 Answers ...

I'm looking for a free face recognition library for a university project. I'm not looking for face detection . I'm looking for actual recognition. That means finding images that contain specified faces or libraries that calculate distances between specific faces. ...