Language Resources

Playing With Pandas DataFrames (With Missing Values Table Example)

Sometimes, you may want to concat two dataframes by column base or row base. For this action, you can use the concat function.

Updated February 4, 2020

by Zehra Can

· 10,547 Views · 2 Likes

Create user registration and login with Web API and React.

Updated February 3, 2020

by Sanwar Ranwa

CORE

· 103,271 Views · 5 Likes

Creating a Microservice With Quarkus, Kotlin, and Gradle

A closer look at creating microservices on the modern JVM frameworks: Quarkus, Kotlin, and Gradle. Learn about the processes and technologies.

February 3, 2020

by Roman Kudryashov

CORE

· 15,674 Views · 5 Likes

Principles to Handle Thousands of Connections in Java Using Netty

Learn common principles for building scalable applications that handle thousands of connections.

Updated January 31, 2020

by Petr Bouda

CORE

· 87,189 Views · 40 Likes

Implement GraphQL With Spring Boot by Connecting to Oracle

In this tutorial, see how to implement GraphQL with Spring Boot by connecting to Oracle DB.

January 31, 2020

by sai kumar javvaji

· 23,566 Views · 4 Likes

Reactive Messaging Examples for Quarkus

Quarkus provides different reactive messaging capabilities. Cloud-native-starter uses some of these capabilities in this sample application!

January 31, 2020

by Niklas Heidloff

CORE

· 12,221 Views · 6 Likes

How Do I Compare Strings in Java?

Learn more about comparing Strings in Java using the equals to (=) operator.

Updated January 31, 2020

by Gaurav Kukade

· 206,100 Views · 14 Likes

Contextual Validation in Java

In this post, we will consider the different ways to carry out validation, what is contextual validation, and why it beats all the other methods.

January 30, 2020

by Vadim Samokhin

· 14,508 Views · 4 Likes

Working With Temporary Files/Folders in Java

The Java NIO.2 API provides support for working with temporary folders/files. This tutorial demonstrates how to work with these files in Java.

January 30, 2020

by Anghel Leonard

CORE

· 75,115 Views · 14 Likes

The Anatomy of Good Unit Testing

Here is a collection of thoughts and tid-bits that the author finds useful when writing tests (with examples in C#).

Updated January 30, 2020

by Jason Fauchelle

· 19,143 Views · 6 Likes

Build a Web Application Based on Your Excel Files

In this article, build a web application based on your Excel files.

January 29, 2020

by Hawk Chen

CORE

· 32,483 Views · 7 Likes

An Efficient Object Storage for JUnit Tests

There are several limitations to store and fetch such data —to resolve the problem it was suggested to find more suitable data storage.

January 29, 2020

by Aleksandr Kirilenko

· 13,732 Views · 3 Likes

Java: Create a Map With Predefined Keys

In this article, we discuss how to use Lombok, Jackson, and enums to create a Map from a set of predefined keys.

January 27, 2020

by Taha Dalal

· 23,523 Views · 6 Likes

4 Data Sharding Strategies for Distributed SQL Analyzed

This article looks at four data sharding strategies for distributed SQL including algorithmic, range, linear, and consistent hash.

January 27, 2020

by Karthik Ranganathan

· 20,436 Views · 6 Likes

Using @RequestScope With Your API

A Zone Leader talks about how using Spring's @RequestScope allowed objects required at login to be re-used through the life of the request.

January 27, 2020

by John Vester

CORE

· 86,719 Views · 7 Likes

GraphQL With Spring Boot

In this article, learn more about GraphQL, see whether GraphQL is better than REST, and go through an example schema.

Updated January 24, 2020

by Sunitha Narayana

· 44,261 Views · 23 Likes

Electron With Typescript - File Explorer Desktop App

In this article, we demonstrate how to create a file explorer application with Electron and Typescript.

Updated January 23, 2020

by Nagappan Subramanian

CORE

· 13,447 Views · 4 Likes

Spring WebClient and Java Date-Time Fields

Learn more about using Spring's WebClient for Java date and time fields.

January 23, 2020

by Biju Kunjummen

· 21,921 Views · 6 Likes

How to Make Your Own Hamcrest Matchers in Kotlin

A Match made in Hamcrest-heaven!

January 23, 2020

by Jake Zimmerman

· 12,428 Views · 3 Likes

How to Use Augury to Check Lazy Loading in Angular 8

In this article, we discuss how to test lazy loading in an Angular application with Augury, an extension for Chrome.

January 23, 2020

by Siddharth Gajbhiye

· 11,538 Views · 6 Likes

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