When it comes to testing RxJS observables, there are many aspects worth observing. How many events have been emitted? Has the stream completed yet? Did it result in an error? For advanced RxJS testing, RxJS Marble testing might be an interesting choice. Especially for asynchronous…
Enjoy off-the-shelf Angular Material tables!
Angular Material is a high-quality UI component framework for Angular. For example, its Table component has a lot of features including sorting and filtering data. However, this component also has some limitations (as well as solutions for those limitations). Some of the limitations are: Filtering…
Polyglot Maven: Kotlin instead of XML
What is Polyglot Maven? Most people assume that their Maven build logic should always be written in XML. What most people don’t know is that Maven allows extending the build tool itself using core extensions, which were significantly improved in Maven 3.3.1. Core extensions as…
Kleinste grote tech-conferentie van Nederland
Onlangs hadden we ons jaarlijkse strategieweekend. Koppen bij elkaar en nadenken over de plannen voor komend jaar. In een prachtige villa op de Veluwe konden we ons in alle rust focussen op de weg die voor ons ligt. En toen zagen we hem ineens. In…
An introduction to the Eclipse MicroProfile specification – part 2
This is the second part of my introduction to the Eclipse MicroProfile specification. In the first part I give a general introduction to the Eclipse MicroProfile specification (version 2.1) and explain the MicroProfile components Config, Metrics, Fault Toleration and Health Check. In this part I…
Secure your own application with Two Factor Authentication
— Hackers say ‘nay’ to 2FA — Security is a big thing these days. Hackers are becoming more and more professional. And your personal data (email, photos) and even your financial data (bank accounts, bitcoins) are at stake. Most of us agree using a username-password…
Craftsmen running for life
Craftsmen steunt kankeronderzoek door deelname Kika Run Utrecht Al na kort overleg werd een van onze te sponsoren doelen voor 2019 duidelijk: de Run for KiKa 2019. KiKa is een stichting die onderzoeken naar kinderkanker financiert om de behandelingen bij kinderen te verbeteren. Daarnaast zet…
Introduction to SpaCy
Processing and understanding large volumes of text SpaCy is a free open-source software library, written in Python and Cython, for advanced Natural Language Processing (NLP). The company behind SpaCy is Explosion AI, a studio specializing in artificial intelligence (AI) and NLP. Their philosophy is…
2 years of Angular: lessons learned
Over the past two years, we have been working at Malmberg to build an amazing new education platform: Bingel. In this blog I like to talk about our adventures, mainly with Angular, and the lessons we learned. Bingel is a new platform for digital primary…
Welkom in de wereld van Progressive Web Apps
“An innovative new way to create applications for mobile devices” Apps die naadloos integreren in elk device. Niet te onderscheiden van ‘native apps’. Gebouwd met één technologiestack. Te installeren zónder afhankelijk te zijn van een app store. Klinkt fantastisch? Dat is het! En het is…
Introduction to Eclipse MicroProfile
Craftsmen visited the Oracle Code One, formerly known as JavaOne, Conference in San Francisco in October. Apart from the extracurricular activities like a bike ride (across the Golden Gate Bridge and around the Bay) and a visit to the Google Headquarters, there were lots of…
Service stub met behulp van Pact
Voor het lokaal testen van een applicatie is het soms handig, of noodzakelijk, om externe services waar je applicatie gebruik van maakt te mocken of te stubben. Zodat een applicatie geïsoleerd getest kan worden zonder dat dit invloed heeft op de toestand van eventuele afhankelijke…