Programming

Invisible reCAPTCHA

Invisible reCAPTCHA I’ve previously used the Google one click reCAPTCHA in sites but as the new invisible version is out I figured I’d have a go at getting it to work. Previously I had the one click reCAPTCHA working as below where the result populated an invisible required field validated Read more…

Programming

X-FRAME-OPTIONS Response Header

X-FRAME-OPTIONS Response Header I hadn’t previously realised this but MVC adds an X-FRAME-OPTIONS: SAMEORIGIN header to site page responses as part of a security measure to prevent sites running in iframes. These can be removed in ASP.NET 5 applications by modifying the relevant option in Startup.cs public void ConfigureServices(IServiceCollection services) Read more…

Programming

ASP.NET 5 Middleware

The ability to create your own middleware comes in pretty handy when creating MVC 6 APIs as it allows the inspection and processing of the requests/responses flowing into and out of the application. A few of the most useful ones I’ve used are below, a good guide to using middleware Read more…

Programming

UK Postcode RegEx

UK Postcode RegEx Recently I needed to validate UK postcodes for a site I was building, after a bit of hunting around this seemed to be the best one that I could find, hopefully this will save me some Googling in future! ^([Gg][Ii][Rr] 0[Aa]{2})|((([A-Za-z][0-9]{1,2})|(([A-Za-z][A-Ha-hJ-Yj-y][0-9]{1,2})|(([A-Za-z][0-9][A-Za-z])|([A-Za-z][A-Ha-hJ-Yj-y][0-9]?[A-Za-z]))))\s?[0-9][A-Za-z]{2})$