Hello there! This is a sample post for gist.io, a super-lightweight writing soapbox for hackers.
Now look up. Further. Above the post title. See that grey text with the gist ID?
What about some Ruby code:
rb() {
if [[ $# -lt 1 ]]; then
rbenv shell --unset
| int ledPin = 9; // LED connected to digital pin 9 | |
| void setup() { | |
| // nothing happens in setup | |
| } | |
| void loop() { | |
| // fade in from min to max in increments of 5 points: | |
| for(int fadeValue = 0 ; fadeValue <= 255; fadeValue +=5) { | |
| // sets the value (range from 0 to 255): |
| // http://rentzsch.tumblr.com/post/40806448108/ns-poor-mans-namespacing-for-objective-c | |
| #ifndef NS | |
| #ifdef NS_NAMESPACE | |
| #define JRNS_CONCAT_TOKENS(a,b) a##_##b | |
| #define JRNS_EVALUATE(a,b) JRNS_CONCAT_TOKENS(a,b) | |
| #define NS(original_name) JRNS_EVALUATE(NS_NAMESPACE, original_name) | |
| #else | |
| #define NS(original_name) original_name | |
| #endif | |
| #endif |
| // first version - code demonstrating the basic idea. | |
| // see below for a fuller-featured implementation | |
| import std.string; | |
| import std.range; | |
| import std.stdio; | |
| /* A very simple string templating system. Placeholders of the form | |
| * %{variable} are replaced by the corresponding variable in the current | |
| * scope. |