When I use a specialized template in different object files, I get a "multiple definition" error when linking. The only solution I found involves using the "inline" function, but it just seems like some workaround. How do I solve that without using the "inline" keyword? If that's not possible, why? ...

Is there a best practice for defining custom error types in a Ruby library (gem) or Ruby on Rails application? Specifically: ...

...at possible? I know that I can see the list of open processes in activity monitor but I think it's happening to quickly for me to see it. The reason for this is I'm using a framework and I think the system version of the framework is being used instead of the debug version and I'd like to see whic...

I would like to change the format (class) of some columns of my data.frame object ( mydf ) from charactor to factor . 6 ...

So this doesn't seem like a terribly complicated question I have, but it's one I can't find the answer to. I'm confused about what the -p option does in Unix. I used it for a lab assignment while creating a subdirectory and then another subdirectory within that one. It looked like this: ...

What is the difference between @Column and @Basic annotations in JPA? Can they be used together? Should they be used together? Or does one of them suffice? ...

... Is there an easy way, in Python, to unescape the string? I could, for example, do: 4 Answers ...

What does an lambda expression like _=> expr mean? 5 Answers 5 ...

I've been working on a project, but unfortunately, I forgot to switch to my branch, and as such have been working on master ...

I have an old commit that I did a few weeks ago. I want to restore only a single file from that commit. What do I do? 4 Ans...