How to open a pdf downloaded from an API with JavaScript
On my most recent assignment I was faced with the challenge of downloading a pdf file from an API and displaying it in the browser. Normally, the API would provide a json-object…
Expandable FAQ items with no JavaScript
Recently I needed to create an FAQ page on a ReactJS based single page application. The page should have expandible/collapsible question/answer pairs. I took to Google to see how others…
Conference report from ngVikings 2017
Since Jayway sponsored ngVikings 2017 I got the opportunity to attend "The main Angular conference in the Nordics", which was a delight. The venue was the main hall of the…
6 Reasons Isomorphic Web Apps is not the Silver Bullet You’re Looking For
During the last two years, I've heard the term Isomorphic Web Apps mentioned in a positive way more and more frequently. Also during this time, I've done some thinking myself…
TypeScript, web and the illusive type-safety-advantage
TypeScript makes us .NET developers comfortable with JavaScript. When you come from c#, coding JavaScript feels like walking on a tightrope without a safety net. With TypeScript comes a typesystem, a compiler…
Impressions from Microsoft Build – day 2
This year we are three developers representing Jayway at Microsofts Build conference. This blog-post summarizes just some of the stuff we’ve seen on day two of the conference. Microsoft Cognitive…
Impressions from Microsoft Build – day 1
This year we are three developers representing Jayway at Microsofts Build conference. This blog-post summarizes just some of the stuff we've seen on day one of the conference. Cross-Platform Mobile…
Brace yourself, ASP.NET Core 1.0 is coming!
I recently did a tech talk and lab session at our latest internal conference here at Jayway and would like to share a summary of its context here in a blog…
Trainee Program
Just over two months have now passed since we joined the Trainee Program at Jayway. During this time we have all gained many new experiences, including a workshop at the…
Simple load testing using Siege
In a recent project we replaced an existing webapp with a new implementation. The old app got around 300 requests/second so we wanted to make sure that the new implementation…
Scaling out with Spring Session
Stateless architecture has become increasingly popular during resent years and for good reasons. However, stateful session based applications continue to play an important role, for example when issuing CSRF tokens…
Configure a Windows Azure cloud service to use your self signed certificates for IIS client certificate mapping authentication
This blog post will explain how to use self signed certificates with a Windows Azure cloud service and how to configure the Azure IIS server by code in the web…
Playing with css animations
As a full-stack .net web-developer I have been doing a lot of html, css and EcmaScript. Often projects start out with a dedicated front-end developer doing his thing, but normally projects…
Check in your NuGet packages
NuGet is really nice. It's almost magical. Just run a simple command and all kinds of packages can get added to your project. Template code files are added. Your web.config…
Using React with ECMAScript 2015
So you like React, and you want to tinker with it using the shiny new features of ECMAScript 2015. Here's a little walkthrough on how to get started using them together…