Blog



UX design - drag n drop
Remember using jQuery UI’s Draggable and Droppableplugins, for building drag and drop features in web applications? Awesome, wasn’t it? Now, what if we could implement drag and drop functionality just as easily in Angular projects? Over the last months, I have been improving my drag and drop implementations in Angular several times. During […]

Drag and drop in Angular (new #tutorial series!): introduction



angular-app with trackBy
This blog is part of an Angular instructional / tutorial series, please find the first edition here: Angular structural directives demystified. Optimize your Angular app using trackBy When rendering lists using Angulars ngFor directives, objects are compared by reference. This is fast, but can result in unwanted DOM manipulations. Luckily, you can avoid these using […]

Optimize your Angular app using trackBy #tutorial


angular
This blog is part of an Angular instructional / tutorial series, please find the second edition here: Optimise your Angular app using trackBy. Angular structural directives demystified As Angular developers, we use structural directives like ngIf and ngFor all the time. But how do structural directives actually work? Structural directives are responsible for adding, removing, […]

Angular structural directives demystified #tutorial



Java10
From Java 9, Oracle will release a new version of Java every 6 months, starting with Java 10, which is to be released on march 20, 2018. This blog highlights the major language and API changes in Java 10. Local variable type inference For local variables, specifying the type is […]

Java 10 in 5 minutes


Courier carrier Uber software web application
In the summer of 2015 I started building a web application for a friend who owns a small courier company, named Smart Express. Smart Express picks up packages at a specified locations and delivers them to other locations. Additional services and options aside, prices are based on distance, weight and […]

Smart Express, a hobby project



bol.com is een webwinkel in Nederland en België die in 1999 werd opgericht door het Duitse mediaconcern Bertelsmann AG. Het hoofdkantoor staat in Utrecht. Na een aantal moeizame beginjaren is bol.com ondertussen uitgegroeid tot de Beste webwinkel van Nederland en in 2014-2015 zelfs tot Beste webwinkel van Europa. Door deze enorm toegenomen populariteit is het […]

Van bolle monoliet tot futuristische microservices




fork angular http
Most AngularJS developers are probably familiar with the concept of HTTP interceptors: a mechanism for modifying request and responses. This feature is commonly used for cross-cutting concerns such as authentication, logging and error handling. When Angular 2 was introduced it became clear there (initially) would be no equivalent for HTTP […]

Fork your HTTP client: supporting non-global HTTP interceptors in Angular


Boys will be boys - LEGOlisering bij NS
Op het NS kantoor in Amersfoort wordt hard gewerkt aan het project B@M, een systeem dat in geval van calamiteiten op het spoor zorgt voor aanpassingen in de dienstregeling. We werken daar Agile, in SCRUM-sprints van twee weken. Dat is af en toe flink aanpoten, maar gelukkig geldt hier ook: […]

LEGOlisering bij NS



Workshop Kotlin Reactive Programming
Op 8 december organiseert Craftsmen samen met Thales een meetup over Kotlin en Reactive Programming (RxJS). Thales Nederland is gespecialiseerd in het ontwerpen en produceren van hightech elektronica voor defensie- en beveiligingstoepassingen, zoals radar- en communicatiesystemen. Ultramoderne maatwerkapplicaties ontwikkeld met diverse open source-technologieën. Tijdens deze meetup bieden we twee workshops tegelijkertijd aan. […]

Meetup & workshop @ Thales


Coming Wednesday till Friday you can find all our Craftsmen co-workers / Software Engineers at Devoxx. Hopefully we have the opportunity to meet you in Antwerp! Please note that our co-worker Michel Schudel is presenting two talks: Subject: No-frills REST API testing with REST Assured Theme: Tools in Action Date: […]

Let’s Meet At Devoxx 2017




J-Fall
Tomorrow the yearly Dutch Software Engineering Conference J-Fall opens its doors at 08.00 am (for the early birds ;-)) A great event to get inspired with the latest technologies and to meet/greet Software Engineering professionals, geeks and gurus. Such as our colleague Michel Schudel! Who will present a session on REST: […]

Ready 4 J-Fall? -> Session No-frills REST-api testing with REST-assured



1
Craftsmen doet dit jaar mee aan de Masters of Java 2017 – georganiseerd door de NLJUG. Tijdens deze contest binden Gerard de Leeuw en Dirk Luijk de strijd aan met de beste programmeurs van Nederland. Dat belooft vuurwerk! De wedstrijd bestaat uit verschillende rondes, met telkens een uitdagende programmeeropdracht, die je […]

Knallen op Java Masters 2017 – The Day Before