digiguru

## trello_embeds.md

      
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                danlec
                / trello_embeds.md
            
            
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              July 31, 2013 18:52
            
              
                Examples of embedding images of public trello boards/cards in GitHub markdown
              
          
    A Trello Board

[![Trello Development Board](https://trello.com/b/nC8QJJoZ.png)](https://trello.com/b/nC8QJJoZ)


A Trello Card


## CorsEnabledAttribute.cs
namespace Mvc.Cors
{
    using System.Linq;
    using System.Web.Http.Filters;

    public class CorsEnabledAttribute : ActionFilterAttribute
    {
        private string[] allowedDomains;

        public CorsEnabledAttribute()

## javascript aspect ratio calculation (with GCD)
/* euclidean GCD (feel free to use any other) */
function gcd(a,b) {if(b>a) {temp = a; a = b; b = temp} while(b!=0) {m=a%b; a=b; b=m;} return a;}

/* ratio is to get the gcd and divide each component by the gcd, then return a string with the typical colon-separated value */
function ratio(x,y) {c=gcd(x,y); return ""+(x/c)+":"+(y/c)}

/* eg:
> ratio(320,240)
"4:3"
> ratio(360,240)
	namespace Mvc.Cors
	{
	using System.Linq;
	using System.Web.Http.Filters;

	public class CorsEnabledAttribute : ActionFilterAttribute
	{
	private string[] allowedDomains;

	public CorsEnabledAttribute()
	/* euclidean GCD (feel free to use any other) */
	function gcd(a,b) {if(b>a) {temp = a; a = b; b = temp} while(b!=0) {m=a%b; a=b; b=m;} return a;}

	/* ratio is to get the gcd and divide each component by the gcd, then return a string with the typical colon-separated value */
	function ratio(x,y) {c=gcd(x,y); return ""+(x/c)+":"+(y/c)}

	/* eg:
	> ratio(320,240)
	"4:3"
	> ratio(360,240)