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Aldora L

Aldora L

How to Replace a Bean During Startup In Spring

There are circumstances in that we need to override a bean's methods which is from an external package but keep the same bean name. We can achieve this by replacing bean definition during application startup using BeanFactoryPostProcessor. BeanFactoryPostProcessor A BeanFactoryPostProcessor may interact with and modify bean definitions, but

Remove Duplicate Value from Associative Array

Although array_unique can remove duplicate values from an array, in some situations, the array you need to deal with is quite complex and totally doesn't fit in array_unique. The following array is an associate array with a duplicate value in a nested array: $arr = [ [ 'name&

Online Sql Schema to Entity Schema Tool

Online Sql Schema to Entity Schema Tool

Sometimes during development, I have to manually create new entity classes according to sql schema, which costs time and is boring. There are online tools doing this, but they don't have all the features I want, so I develop my own online convert tool: converter. It has the

Manually Deploy Next.js on AWS EC2 with Shell Script

Do you want to know how to manually deploy an application without all advanced tools, just use shell script on Linux? Before we have CI/CD, Github Actions, AWS Codedeploy, etc. developers need to manually execute scripts to deploy, and I will show you brief steps to complete it. Let

spring bean lifecycle

Spring Bean Lifecycle with Executable Code

Lifecycle code example @Component public class LifeCycleDemoBean implements InitializingBean, DisposableBean, BeanNameAware, BeanFactoryAware, ApplicationContextAware { public LifeCycleDemoBean() { System.out.println("## 1. I'm in the LifeCycleBean Constructor"); } /** * {@link BeanNameAware} */ @Override public void setBeanName(String name) { System.out.println("## 2. My Bean Name is: " + name); }

First Initialization and Execution of ObjectMapper.readValue is Slow

I happened to find that first initialization and execution of ObjectMapper.readValue of an application is slow, no matter if I reuse static objectMapper or use new objectMapper instance every time, the first-time cost won't disappear. But overall, static objectMapper is faster than instance. The first execution would

Dockerize Laravel with One Line Code

Dockerize Laravel with One Line Code

Just one-line code: $sudo ./setup-docker.sh, you can execute the Laravel application in LNMP(Linux, Nginx, Mysql, PHP) environment. * The tutorial works for Mac M1 Prerequisites * Docker installed Quick Start 1. Clone the repository: $ git clone https://github.com/ShakalakaB/laravel-docker.git 2. Enter the directory root you just cloned: