Инструкция для бабушки по видеочату

Grandmother's guide to video chat - Official Gmail Blog

.NET vs Delphi: the "as" operator


public object Execute(object request) {
if (request is Request)
return service.Execute(request as Request);
else
throw new NotImplementedException();
}


CA1800 : Microsoft.Performance : 'request', a parameter, is cast to type 'Request' multiple times in method 'Wrapper.Execute(object)'. Cache the result of the 'as' operator or direct cast in order to eliminate the redundant isint instruction.<br />

Microsoft хочет, чтобы было так:


public object Execute(object request)
{
var r = request as Request;
if (r!=null)
return service.Execute(r);
else
throw new NotImplementedException();
}


потому что, как оказывается, "the "as" operator never throws an exception. Instead, if the indicated conversion is not possible, the resulting value is null."

Javatar .Not

YouTube - Javatar .Not


See also "RailsEnvy.com: All Ruby on Rails Commercials"

Update 9-JuL-2010. С YouTube видео уже убрали: "This video is no longer available due to a copyright claim by Alley Music Corp." Однако по запросу "javatar .not" Google находит "about 44,200 results" in "0.35 seconds". Например, на New JavaZone2010.

Объяcнение шутки про Scala Johanson: http://www.scala-lang.org/