Yesterday I stumbled over this when I modified PHP code written by someone else. I was baffled that a simple comparison ( if ($var ==! " ") ) didn't work as expected. After some testing I realized that whoever wrote that code used ==! instead of !== as comparison operator. I've never seen ==! ...

...am new to rails and I am using an ubuntu machine and the rubymine IDE. The problem is that I am unable to stop the rails server. I tried to stop the server by killing the rails process. But, when I run pgrep -l rails , no such process is found. So, I am only able to kill ruby processes, but, the se...

I'm using rsync to make a backup of my server files, and I have two questions: 4 Answers ...

How can I select all tr elements except the first tr in a table with CSS? 10 Answers ...

...de?(9) # => false If you mean something else, check the Ruby Array API share | improve this answer | follow | ...

Given a property in a class, with attributes - what is the fastest way to determine if it contains a given attribute? For example: ...

... There are a few pieces to this that allow all of these combinations of operators to work the same way. The fundamental reason why all of these work is that a function (like foo) is implicitly convertible to a pointer to the function. This ...

I have seen that chrome puts a thicker border on :focus but it kind of looks off in my case where I've used border-radius also. Is there anyway to remove that? ...

I can get the shell to recognize changes to .bash_profile by exiting and logging back in but I would like to be able to do it on demand. ...

... <meta http-equiv="refresh" content="3;url=http://www.google.com/" /> share | improve this answer | follo...