Using DataLoader in GraphQL
In my previous post on how to set up a GraphQL server, we briefly discussed the issue of duplicate request to a data source; also known as the N+1 problem…
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August 27, 2020
GraphQL Server – Apollo, KoaJS and Typescript implementation.
In this post we are going to learn how to set up a GraphQL server in NodeJs. If this is the first time you are learning about GraphQL, I suggest…
August 11, 2020
Using Typescript in NodeJS development
Recently, when starting out any new NodeJS project the first thing I install is typescript. This post covers how to set up your development environment with typescript. Typescript is a…
August 3, 2020
Building a Custom Content Slider (Carousel) in Angular
A common user interface(UI) component is a content carousel or slider. It is often used to display images on a site and the user interacts with it by clicking on…
July 20, 2020
Saza: Open Source mobile and desktop Stellar wallet release.
Today, I am excited to announce the release of a new open source Saza wallet on Android, Linux and Mac. It supports all the Stellar operations, including the sparsely supported…
May 1, 2020
Pre-authorized transaction on the Stellar network
The Stellar network is known for fast transaction times and low network fees. One feature that is less prominent is its ability to handle pre-authorized transactions. On Stellar you can…
April 15, 2020
Enums as arrays in PostgreSQL
What are Enums? Enumerated types (Enums) are a special kind of data type that consist of a set of predefined values. It is common in many programming languages and it…
April 5, 2020
Welcome!
Hi, welcome to oliha.dev! I am Peter Oliha, and I am a Software Developer. Here, I will be sharing tutorials and my experience on things that I am currently working…
April 2, 2020