ReactNative Learn to use Firebase with React Native: Part 3 If you’ve been following along so far, you should have built an app that can operate without an internet connection and is connected with Firebase. In this tutorial, you’ll be working on CRUD operations with Firebase; starting with learning how to insert data.
Java Concurrency and Improvements in Java 8: Part 1 When Java 8 was introduced, lambda expressions and the Stream API were among the most talked about features in this release. However, Java 8 has also added a class called ‘CompletableFuture’ in the Concurrency API...
ReactNative Learn to use Firebase with React Native: Part 2 In Part 2 of this tutorial, you’ll be working on a connection between your app and Firebase itself.
django How to Dockerise your Django Application According to most, Microservices is the hot new thing in application architecture. So what’s the fuss?
ReactNative Learn to use Firebase with React Native Whilst you can deploy an application using Heroku or various AWS services, at hackajob, believe that Firebase is one of the easiest and most documented platforms to integrate with any app.
Java File IO in Java 8: The Rundown At hackajob HQ, we’re big fans of the improvements made in Java 8. In this article, we’re going to be exploring some of the improvements made to File IO, including reading and writing a file, as well as listing the contents of a directory.
Java Using the Optional Feature in Java 8 At hackajob HQ, one of our favourite features in Java 8 is the Optional Feature. Helping to avoid unexpected errors and write clean code, in today’s article, we’ll be covering it in detail.
ReactNative How to Create a Launch Screen & Icons Whilst we seem to have multiple tutorials available on our blog that detail how to develop a brand new app from scratch, we feel it’s important to take some additional time and learn what to do with an app after it’s been created; such as creating a launch screen and configuring launch icons.
Python Creating a Flask App with SQLAlchemy, PostgreSQL, and Alembic Flask is one of the most popular web frameworks for Python. A key contrast between Flask and Django (the other framework) is that the latter comes with several out-of-the-box tools that make configuration much quicker.
ReactNative Using Custom Fonts in React Native Follow along and learn how to add Custom Fonts to an existing React Native project.
Java Collectors in Java 8 In our previous Java 8 article, we spoke about the benefits of the Collection API. In today’s write-up, we’ll be taking a closer look at Collectors and how to use them in Java 8.
ReactNative A Brief Introduction to React Native Hooks If you’ve been keeping up with all-things React Native, you’re likely to have heard about ‘hooks’. And in all honesty, there’s a big hype about about them.
Python How to Use Inbuilt Modules in Python At hackajob HQ, our internal engineers often debate which coding languages are best and for our back-end team, Python is a subject that comes up regularly. In fact, they believe that Python’s inbuilt modules make their lives as programmers so much easier...
Java The Benefits of the Collection API in Java 8: Part 2 In part one of this article, we covered the ‘forEach’ method, the ‘Collection.removeIf’ method, the ‘Iterator.forEachRemaining’ method and the ‘SplitIterator’ interface. For part two, we’ll be looking at the improvements made on both the ‘List’ and ‘Map’ interfaces.
ReactNative Creating a Movie-Themed List App: Part 2 Welcome back to the second part of our movie-themed list app tutorial. If you missed what we worked on last time, make sure to take a look before continuing...
django The Importance of Creating Clean Code Architecture Before we begin discussing the importance of creating clean code architecture, we want to stress that we don’t believe that the concept of clean architecture actually means making your programme ‘clean’.
Python Searching and Sorting Algorithms in Python There’s a common joke that software engineers always use the word ‘algorithm’ when they’ve done something they can’t explain. Although it has a pretty simple meaning, such is the mystic associated with the term...
ReactNative Creating a Movie-themed List App: Part I Today we’re going to be building a fully functional ‘movie-themed’ app. Using some concepts shown in our previous tutorials such as Lists, Redux, React Navigation and Swipe buttons, we’ll be implementing this app in three parts:
ReactNative How to Create a Progress Indicator using React Native Probably one of the most important parts of any app, a Progress Indicator is integral to the overall user experience.
Java The Benefits of the Collection API in Java 8: Part 1 Java 8 has made some significant improvements to the Collection API and in part 1 of this article, we’ve decided to jump right in.
Java How to use the DateTime API in Java 8: Part 2 Following on from our previous tutorial, today we’re going full steam ahead with part 2, this time focusing on ‘ZonedDateTime’.
ReactNative Redux for React Native When implementing an app, it’s easy enough to manage some states if the app in question is simple to manage or is a single-pager, but when adding some layers, screens and generally more complex elements, the states can start to get out of hand or become too complex to stay ‘integer’.
Hiring Google Hire Calls it a Day At hackajob, we hate to see good products go, and it's sad to see Google Hire call it a day - after all, we all love competition.
django Django's New Database Constraints In April 2019, Django released version 2.2. Offering long term support, this new version marks the end of mainstream support for Django 2.1. This new version comes with several updates that are aimed at making things easier for those who work with Django.
Java How to Use the DateTime API in Java 8: Part 1 One of the latest features to be introduced in Java 8 is the ‘DateTime API’. Enabling users to easily perform date and time manipulation, this new feature is one of Java 8’s most exciting to date (it’s certainly loved by the hackajob team!).
