I have had recently two telephone interviews where I've been asked about the differences between an Interface and an Abstract class. I have explained every aspect of them I could think of, but it seems they are waiting for me to mention something specific, and I don't know what it is. ...

How do I rename a file using C#? 18 Answers 18 ...

I am writing shell script for embedded Linux in a small industrial box. I have a variable containing the text pid: 1234 and I want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} does...

I have a question for all the hardcore low level hackers out there. I ran across this sentence in a blog. I don't really think the source matters (it's Haack if you really care) because it seems to be a common statement. ...

I am using a specific command in in my C# code, which works well. However, it is said to misbehave in "unmanaged" code. 13 ...

I have some demos that I downloaded and they come with a Makefile.win and a Makefile.sgi. How can I run these in Windows to compile the demos? ...

My Dockerfile is something like 4 Answers 4 ...

...g to get the x axis labels to be rotated 45 degrees on a barplot with no luck. This is the code I have below: 8 Answers ...

How can I get all the keys set in my memcached instance(s)? 6 Answers 6 ...

One of the basic data types in R is factors. In my experience factors are basically a pain and I never use them. I always convert to characters. I feel oddly like I'm missing something. ...