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Using Apollo GraphQL with Vue

Last time, I wrote a simple Vue application using dummy data in our components. Today, we’re going to link it to the Apollo GraphQL API that I wrote earlier. As said before, Apollo has both a server-component that can integrate with Express, but also a client component that can integrate with Angular, React but also […]

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Routing with Vue

In the previous tutorial, I made a very simple Vue application. However, the goal of the Q&A application that I’m trying to write is to have multiple pages within our application. To be able to get multiple pages to work client-side (Single-Page Applications), I need a router. The nice thing about Vue is that many […]

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Getting started with Vue and AT UI

Vue.js gained quite some popularity over the past few years. As a JavaScript framework, it positions itself next to React, Angular and a few other libraries to provide a component-based application structure. In this example, I’ll create a Q&A application… with Vue!

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Using custom scalar types with GraphQL and Apollo

Last time, we created a GraphQL API with Node.js, Express, Mongoose and Apollo. However, one of the fields we tried to use was the createdAt date. Since GraphQL doesn’t come with a date-based scalar type, we used a simple String. However, the result of that is that it calls the Date.prototype.toString() function which returns a […]

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Writing a GraphQL API with Node.js, Express and Apollo

A while back, I wrote a tutorial about creating a GraphQL API using Java, followed by a web application using Angular and Apollo. Back then, I also mentioned that Apollo has a server-side part as well, which allows you to create GraphQL API’s on Node.js. And today, we’re going to explore that option!

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Working with Spring Data Solr repositories

Spring Data is the go-to framework when trying to get access to a database within a Spring application. Next to relational databases it also provides support for a wide variety of noSQL databases, including document-based databases like Apache Solr. In this tutorial I’ll explore the various possibilities of using Spring Data Solr.

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Running a Spring batch at a schedule

Last time, I wrote a Spring batch application to index local markdown files into Apache Solr. While the default configuration of Spring batch is great, I don’t want to re-run the application to re-index all documents. In this tutorial I’ll show you how you can run a batch job at a certain schedule.

Validating the input of your REST API with Spring

When handling input of a user, validation is a common task. In fact, it’s so common, that there’s even a specification for it called JSR 303 bean validation and JSR-380 which contains version 2 of the same specification. With Spring, we can utilize this specification to the fullest extent, and make validation an easier task.

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Indexing documents with Spring batch

Batch processing of information is a common thing to do when developing applications. Spring has its own framework to handle batch processing, called Spring batch. In this tutorial, I’ll use Spring batch to index markdown documents on my local disk onto Solr to make them easier to search for.

Setting up Apache Solr with Tika using Docker

When indexing documents, Apache Solr is a possible solution. Combined with Apache Tika, you can also use Solr to index various types of documents, such as PDFs, Word documents, HTML files, … . In this tutorial, I’ll be setting up Solr with Tika using Docker compose.