I tested the above code in Chrome's console and for some reason, a() returns true, b() returns true, and c() returns false. ...

When and Why does some one decide that they need to create a View in their database? Why not just run a normal stored procedure or select? ...

I have recently learned the Ruby programming language, and all in all it is a good language. But I was quite surprised to see that it was not as simple as I had expected. More precisely, the "rule of least-surprise" did not seem very respected to me (of course this is quite subjective). For examp...

I read the other threads that had to do with this error and it seems that my problem has an interesting distinct difference than all the posts I read so far, namely, all the other posts so far have the error in regards to either a user created class or a builtin system resource. I am experiencing th...

What is the difference between a deep copy and a shallow copy? 31 Answers 31 ...

In R, I'd like to retrieve a list of global variables at the end of my script and iterate over them. Here is my code 6 Answ...

I'm creating a database table and I don't have a logical primary key assigned to it. So, I'm thinking about leaving it without a primary key, but I'm feeling a bit guilty about it. Should I? ...

I'm trying to create a daemon in python. I've found the following question , which has some good resources in it which I am currently following, but I'm curious as to why a double fork is necessary. I've scratched around google and found plenty of resources declaring that one is necessary, but not ...

I understand the diamond problem, and above piece of code does not have that problem. 5 Answers ...

Does anyone have a regular expression handy that will match any legal DNS hostname or IP address? 21 Answers ...