File Extension Change Shortcut
Changing the extension of a file seems like something you would do often enough to know how to do it from command line. One annoying part of moving a file is repeating the file name a second time when all I want to do is change the extension. A minor annoyance but an annoyance nonetheless.
I recently found that you can quickly change a file's extension with this handy shortcut:
# mv filename.{old,new}
mv code.{txt,js}
The braced syntax provides a way to quickly swap out the file extension without needing to repeat the file name. Sweet!
![5 Awesome New Mozilla Technologies You’ve Never Heard Of]()
My trip to Mozilla Summit 2013 was incredible. I've spent so much time focusing on my project that I had lost sight of all of the great work Mozillians were putting out. MozSummit provided the perfect reminder of how brilliant my colleagues are and how much...
![Regular Expressions for the Rest of Us]()
Sooner or later you'll run across a regular expression. With their cryptic syntax, confusing documentation and massive learning curve, most developers settle for copying and pasting them from StackOverflow and hoping they work. But what if you could decode regular expressions and harness their power? In...
![MooTools onLoad SmoothScrolling]()
SmoothScroll is a fantastic MooTools plugin but smooth scrolling only occurs when the anchor is on the same page. Making SmoothScroll work across pages is as easy as a few extra line of MooTools and a querystring variable.
The MooTools / PHP
Of course, this is a...
![CSS pointer-events]()
The responsibilities taken on by CSS seems to be increasingly blurring with JavaScript. Consider the -webkit-touch-callout CSS property, which prevents iOS's link dialog menu when you tap and hold a clickable element. The pointer-events property is even more JavaScript-like, preventing:
click actions from doing...
This does not only work for file extensions. You can generally use the curly braces syntax to “generate” multiple words/arguments for a bash command: http://www.gnu.org/software/bash/manual/bashref.html#Brace-Expansion