Wayne's Talk - Page 12 of 17

1.9K views
6 minute read

Spring Boot

Spring Data JPA Custom Queries with Native SQL

ByWayne
13/09/2021

Spring Data JPA simplifies the operation of accessing the database. Developers can save writing a lot of simple query SQL. This article will introduces how to use Spring Data JPA with a native SQL to build a complex query SQL.

4.3K views
7 minute read

Implementing JWT Based Authentication in Go

ByWayne
20/07/2021

We will start by implementing a login REST API, verifying Username/Password, generating JWT Token, and verifying JWT Token.

4.0K views
7 minute read

Creating REST APIs with Go and Database

ByWayne
06/07/2021

Go has simplified syntax and great run-time efficiency. This article will explain how to create a backend application with Go, implementing REST APIs and connecting to the database.

7.6K views
4 minute read

Android

Using Retrofit with Kotlin Coroutine in Android

ByWayne
02/06/2021

We often use Retrofit as an HTTP client to communicate with RESTful APIs in Android. Kotlin coroutine can make Retrofit easier to use. This chapter will explain how to use Retrofit with coroutine.

11.5K views
3 minute read

Spring Boot

Sending Push Notifications Using FCM in Spring Boot

ByWayne
18/05/2021

Firebase Cloud Messaging (FCM) allows us to send messages to Android, iOS, or web applications, also known as push notifications. This article will introduce how to send push notifications via FCM in Spring Boot.

Photo by Vinicius "amnx" Amano on Unsplash

2.5K views
4 minute read

Android

Receiving Push Notifications Using FCM on Android

ByWayne
18/05/2021

Firebase Cloud Messaging (FCM) allows us to send messages to Android, iOS, or web applications, also known as push notifications. This article will introduce how to set up Firebase console and how to implement an Android app to receive push notifications.

1.2K views
2 minute read

Spring Boot

Customize Exception Handling in Spring Boot

ByWayne
06/05/2021

When developing Spring Boot, when we throw an exception, Spring Boot’s exception handler will help us deal with it and send back a JSON to the front end. In this article, we will explain how to customize the JSON content returned to the front end.

7.9K views
5 minute read

Python Candlestick Charts

ByWayne
23/03/2021

Candlestick charts are often used to show the trend of stock prices. A single candlestick can indicate four prices, which are the highest price, the opening price, the closing price, and the lowest price.

6.1K views
4 minute read

Python Regression Line Plots

ByWayne
03/03/2021

When analyzing data, regression lines can help us understand the trend of data. In this article, we will introduce how to use Seaborn and Plotly Express to plot regression lines.

4.6K views
3 minute read

Python Choropleth Map

ByWayne
18/02/2021

Choropleth Map displays spatial variations of quantities of data on a map. In this article, we will introduce how to use Python’s Plotly Express package to plot a choropleth map.

Get source code of posts.

Spring Data JPA Custom Queries with Native SQL

Implementing JWT Based Authentication in Go

Creating REST APIs with Go and Database

Using Retrofit with Kotlin Coroutine in Android

Sending Push Notifications Using FCM in Spring Boot

Receiving Push Notifications Using FCM on Android

Customize Exception Handling in Spring Boot

Python Candlestick Charts

Python Regression Line Plots

Python Choropleth Map

Bradley-Terry Model

Entropy

Byte-Pair Encoding

Policy Gradient

On-Policy Control with Approximation

Spring Security JWT Authentication with Google Sign-In Explained

How to Backup and Restore MySQL Databases in Spring Boot

Sending Push Notifications Using FCM in Spring Boot

Python Pie/Donut/Sunburst Charts

Kotlin Coroutine Flow Tutorial

Spring Security JWT Authentication with Google Sign-In Explained

How to Backup and Restore MySQL Databases in Spring Boot

Sending Push Notifications Using FCM in Spring Boot

Python Pie/Donut/Sunburst Charts