Software Development

Email reminder notifications with Nodejs, Mongodb and cron jobs

November 2, 2022

Email reminder notifications with Nodejs, Mongodb and cron jobs

NodeJS applications mostly use the nodemailer module for simple email sending. An essential item of sending emails using the nodemailer module is creating a transporter for sending emails (an explanation will be provided in the form of comments in the code of the function for sending emails). In order to send an…

Lejla Mujic 0

Love10

October 21, 2022

Converting logical expressions into ElasticSearch’s Java API using QueryBuilders class

In this Tech Bite, we will see how to use ElasticSearch's Java API to perform some of the common Elasticsearch queries. Elasticsearch query types The queries in Elasticsearch can be broadly classified into leaf and compound queries. Leaf queries search for specific values in a certain field (or fields) and…

Kerim Kadusic 0

Love12

September 28, 2022

How to start learning DevOps?

What is the DevOps? (Theory part) You can read every day about DevOps in almost every type of media. The term DevOps has become familiar now and is very established in the Job market. But the DevOps practices are still young and are evolving. Every company defines the DevOps roles,…

Adnan Selimovic 0

September 22, 2022

Using text-overflow: ellipsis

When we deal with long text, we often want to truncate it so that it fits our UI design. Typically, we need whatever is too long to be displayed nicely to be replaced by an ellipsis, which is a set of dots (…) indicating that there is the text being…

Sara Spahic Tiric 0

September 9, 2022

Structuring APIs and unit tests in Express

Introduction to Structuring APIs and unit tests in Express This tech bite will show you how to structure your JavaScript back-end code in such a way it is easier to search through, modular, scalable, and allows for writing unit tests. Writing APIs using Express.js initially seems quick and easy: it’s…

Dejan Anđelić 0

Building a dynamic crawler with Puppeteer and Headless Chrome

August 25, 2022

Building a dynamic crawler with Puppeteer and Headless Chrome

Introduction to Web Crawling Web crawling has existed since the beginning of the internet. Almost twenty years of gathering publicly available data has made the internet the biggest existing data resource. In this blog, we will focus on gathering information from the internet by crawling dynamic pages along with scraping…

Emina Mirvic - Adna Karkelja 0

Implementing CI/CD pipeline using Argo Workflows and Argo Events

August 22, 2022

Implementing CI/CD pipeline using Argo Workflows and Argo Events

What is Argo Workflows? Argo Workflows is a general solution to the spectrum of problems. Any problem which requires defining workflow and steps can use Argo workflows as a ready-made solution. The pipeline is an excellent example of that case. The benefit of the Argo Workflows is that you are…

Adnan Selimovic 0

Pattern matching for instanceof and switch in Java

July 22, 2022

Pattern Matching for instanceof and Switch in Java

Since Java 10, there has been a release cycle with two new releases each year, one in March and another in September. Each new release brings some new features. In 2021 there were two related features, pattern matching for instanceof, and for switch statements. Pattern matching was a preview feature…

Rajko Pavlovic 0

Elasticsearch - Aggregation pagination with Composite aggregation

July 21, 2022

Elasticsearch – Aggregation pagination with Composite aggregation

Elasticsearch provides a simple way to execute all kinds of complex aggregations. Often, the result of those aggregations contains a large number of buckets, so it would be good to paginate those buckets efficiently. That's where Composite aggregation comes in handy. Composite aggregation Composite aggregation provides a way to stream all buckets…

Dino Kopic 0

July 19, 2022

Java-based Migrations

It is important to develop a well-designed schema at the beginning of the project, but with the new requirements, changing your initial schema is hard to avoid. These changes must be carefully applied to avoid compromising existing data but also to meet new expectations. Migration group changes that modify database…

Azra Balic 0