Coding Resources

Data Structures and Indexing for Operations on Deeply Nested Comments

In this post I demonstrate a schema, an entity, a DTO, and a continuous fraction index, for JPQL-only CRUD operations on deeply nested comments in relational databases.

October 6, 2020

by Alexander Eleseev

CORE

· 3,890 Views · 1 Like

Charsets and Unicode Identifiers in Java

Ever wanted to know exactly how characters and character sets work within a programming language? Check out this comprehensive article for more!

October 6, 2020

by Pravin Jain

· 10,954 Views · 5 Likes

8 Rules For Creating Useful Database Indexes

Creating databases indexes is easy, but creating useful database indexes is quite challenging.

October 6, 2020

by Anghel Leonard

CORE

· 15,835 Views · 3 Likes

How to Connect Python Programs to MariaDB

Find everything you need to know about connecting to MariaDB Platform from Python for retrieving, updating and inserting information.

October 6, 2020

by Rob Hedgpeth

· 24,248 Views · 3 Likes

Working With Documents Using Elastic-Search and Node

I am going to use ElasticSearch as document persistence mechanism and Node.js to work with elastic-search.

October 5, 2020

by Jawad Hasan Shani

CORE

· 9,550 Views · 3 Likes

Implement Redux-like Global Store With React Hooks and React Context

Introducing a new way to implement a global store step by step by using React Hooks and React Context. The example code is available in GitHub.

October 5, 2020

by Kunkka Li

· 9,805 Views · 3 Likes

3.6 Million Queries per Second on a Single VM Using MySQL With Dynimize

In this post I describe the various steps I took to reach 3.6 million queries per second on a single VM instance running MySQL 8.0 with Dynimize.

October 5, 2020

by David Yeager

· 5,583 Views · 1 Like

How to Run Spring-Boot App in Docker

A discussion of one of the most common looking and must-have skill for the folks who are working on Spring boot technologies and how to run app in container.

October 5, 2020

by Anil Manjappa

· 9,762 Views · 2 Likes

Determining a File Type In Java

See some of the best tools that Java has to offer for determining file types within an application, including Apache Tika.

October 5, 2020

by Ercan Zengin

· 31,294 Views · 3 Likes

Abstract Factory Pattern In Java

In this article, I will try to highlight the usage of the Abstract Factory Pattern along with the difference with the Factory Pattern.

October 5, 2020

by Brijesh Saxena

CORE

· 10,921 Views · 8 Likes

InOrder Traversal Algorithm in Java

In this article, you will learn what is inorder traversal algorithm and how you can use it to print nodes of binary tree in sorted order in Java.

October 5, 2020

by Javin Paul

· 10,131 Views · 3 Likes

Spring Boot: Strategy Design Pattern - Convenience and Limitations

See how to implement the Strategy Design Pattern in Spring Boot and understand its optimal and suboptimal use cases.

October 5, 2020

by Karl Heinz Marbaise

· 13,075 Views · 1 Like

How to Convert XLSX to CSV in Java

Convert any Excel document to CSV with support for both XLSX and XLSB file formats, as well as legacy formats such as XLS.

October 5, 2020

by Brian O'Neill

CORE

· 12,674 Views · 3 Likes

How to Merge PDFs in Java

Combine two or more PDF files (pdf) into a single PDF document, preserving the order of the input documents in the combined document

October 5, 2020

by Brian O'Neill

CORE

· 4,344 Views · 2 Likes

Security Logs: Cryptographically Signed Audit Logging for Data Protection

Logs, audit logs, and security events are secure system must-haves, helping monitor ongoing behavior and providing forensic evidence. Let's cut through complexity.

Updated October 5, 2020

by Anastasiia Voitova

· 3,773 Views · 2 Likes

Angular Tutorial: State Management with NgRx

A tutorial on how to use NgRx to work with state in an Angular appliation, with all the TypeScript you need to get started.

Updated October 5, 2020

by Rohana Liyanarachchi

· 216,132 Views · 13 Likes

Write a Kafka Producer Using Twitter Stream

With the newly open sourced Twitter HBC, a Java HTTP library for consuming Twitter’s Streaming API, we can easily create a Kafka twitter stream producer.

Updated October 5, 2020

by Saurabh Chhajed

· 38,649 Views · 13 Likes