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...

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 ...

What is the pythonic way to split a string before the occurrences of a given set of characters? 16 Answers ...

Let's take an example 11 Answers 11 ...