Archives: backend development

A Quick Guide to Implement a Cross-Browser AngularJS Pull-to-refresh Directive

What made me do this? As a newbie in frontend development, I have to admit, a few months ago I couldn’t even imagine myself writing my own UI component. In those good days, I just carelessly included other, ready-to-use components and never thought about why and how they really work. Sometimes these plugins caused me […]

Deploying a Play! app to Azure via Jenkins

Here at Wanari, we use Play Framework for many of our projects and maintain products on our own servers. Not too long ago, a client of ours requested to move such product to Azure Cloud. After a bit of research we found 3 options: We create a Virtual Machine on which we arrange the environment we use on […]

Monday Morning with a Content-Security-Policy HTTP Response Header

The story Mondays are always a unique mixture of a new beginning and unexpected surprises in every office. Sometimes you find a solution for a long-standing problem, but you never know what awaits you in your mailbox after a long, unclouded weekend. The Monday morning, on which my story begins, is a good example for […]

CouchBase: how can you make a filterable list in SpringData?

Sure it’s not Instagram filters; Couchbase filters are to be created here: What is Couchbase? Couchbase Server is a NoSQL document database with a distributed architecture for performance, scalability, and availability. It enables developers to build applications easier and faster by leveraging the power of SQL with the flexibility of JSON. http://www.couchbase.com/nosql-databases/couchbase-server Why do you […]

Sharing code-love with youngsters

a.k.a. I WANT THEM TO LEARN AND NOT JUST PLAY MINECRAFT ALL DAY I’m writing my post mainly to moderately desperate parents seeing their children in front of computer screens flooded with seemingly useless games. I’m also writing my post to excited older brothers/older sisters/uncles/aunts whose lives’ are devoted (~committed, ha ha.) to making the world […]

Adventures of a First Time Junior Dev

Being on the verge of employment for me was a rather scary situation as a wannabe developer. There were so many doubts in my mind – most of which in retrospect were absolutely irrational. As of now, I’ve been working at Wanari for 3 months. Here I will write about my fears as a student, […]

Working with Microservices in an Ideal World

Generally, microservices are great. In theory, they are divided up well, they are scalable, and they can be maintained easily. With one word, they are great. However, there are some challenges you will most probably encounter when working with microservices. This post will help you get a grip on the world of microservice-development, its challenges, and […]

Play Framework WebSocket in Java

What is WebSocket? When should I use it? WebSocket is an amazingly fast, easy to use and full-duplex way to communicate between client and server. WebSocket is recommended if you want a fast real-time application like a bid application, or a real time poker game. It’s easy to broadcast messages between users (or just send […]

Java8 orElse versus orElseGet – easily misused

So, the Java8 Optional has two really cool (and similar) functions: the orElse() and the orElseGet(). If we quickly read the javadoc for each, we will only see a small difference; one of them has a T type as a parameter and the other has a function which must return with T (as a parameter). […]