The meaning of life is to explore the world

DNS

1. Diagnose existing problems
2. 2019-11-12

JavaScript

1. Error.message in try catch block in JS
2. 2024-12-23
1. JS has no overloading
2. 2024-12-23
1. Some tips for cookies in web requests
2. 2024-09-28
1. button tag vs input type="button" tag
2. 2024-09-28
1. npm install failed in Azure pipeline
2. 2024-03-31
1. JavaScript basics
2. 2020-12-30
1. Enhancement - java script
2. 2019-11-21

Java

1. Postgres connection maxed out for Hikari Connection Pool
2. 2024-04-28
1. Serialize enums to ints with Gson
2. 2023-06-25
1. Intellij basics
2. 2022-11-30
1. Java spring-boot configuration error reflect.InaccessibleObjectException
2. 2021-12-31
1. Email ID generation and usage
2. 2020-02-04
1. (Shifted from Jan.31) Email file names are generated from special data
2. 2020-02-01
1. Fixed the null properties issues for Special import
2. 2020-01-30
1. Fixed the bug in Excel writing
2. 2019-12-18
1. Production release, using jar instead of GitHub
2. 2019-12-03

project management

1. Code Signing Certificate
2. 2024-02-29
1. Product branding
2. 2020-01-23
1. Discussed and confirmed the email system logic
2. 2019-12-23
1. Discussion on the new architecture of the application
2. 2019-12-06
1. Reprioritization on business requirements
2. 2019-12-04

logging

1. Fixed logging issues
2. 2019-12-10
1. Added logger to the program
2. 2019-12-05

GitHub

1. Git branching tips
2. 2021-08-13
1. GitHub connection issue
2. 2020-08-13
1. GitHub tips on changing commit history
2. 2020-05-04
1. Review of the GitHub procedure
2. 2020-04-02
1. Added email state transitioning method
2. 2020-01-08
1. Merged MongoDB branch into master
2. 2019-12-11

MongoDB

1. MongoDB upgrade error in .NET
2. 2023-11-24
1. Studied about Mongo DB
2. 2019-12-17
1. Fixed MongoDB related issues
2. 2019-12-16

Thymeleaf

1. Fixed a Thymeleaf error in getting template
2. 2020-02-03
1. Fixed Thymeleaf parsing error on single quotation mark
2. 2020-01-29
1. Fixed a Thymeleaf parsing exception
2. 2020-01-24

Lombok

1. Updated email template and fixed a bug causing error to save special to DB
2. 2020-01-28

Linux

1. grep does not support UTF-16
2. 2022-07-31
1. How to fix: chmod doesn't work in WSL
2. 2020-11-29
1. Ubuntu Docker container missing Chinese
2. 2020-09-29
1. A few tips of using WSL
2. 2020-08-13
1. rsync usage
2. 2020-08-12
1. Pandoc
2. 2020-03-30
1. Install Ubuntu on Windows 10
2. 2020-03-29

ruby on rails

1. GitHub Dependabot alerts on old libraries
2. 2022-08-28
1. Ruby on rails basics
2. 2020-04-05

Algolia

1. Algolia implementation
2. 2020-04-06

C#

1. Null-coalesce operator
2. 2023-05-26
1. Returning null trap
2. 2023-03-31
1. Dependency injection via Unity Container
2. 2022-10-02
1. Dependency update mechanism
2. 2022-07-03
1. Async and await brief summary
2. 2022-04-30
1. Crash before class instantiation
2. 2022-03-20
1. IEnumerable and yield usage
2. 2021-06-24
1. Common programming characteristics
2. 2020-07-20
1. C# Dependency Injection and Singleton
2. 2020-05-01

AWS

1. AWS cheat sheet
2. 2020-06-02

C++

1. Setting up Qt, CMake with Visual Studio
2. 2020-08-03

Docker

1. Docker mistakes some files for folders, and folders for files.
2. 2020-10-21
1. Docker basics
2. 2020-09-29
1. Docker version issues
2. 2020-09-28

Ansible

1. Ansible variable precedence
2. 2021-02-21
1. Ansible tips
2. 2021-01-21
1. How to install Ansible on WSL
2. 2020-11-29

Azure

1. Azure pipeline pitfalls
2. 2023-09-29
1. Some hints for Azure pipeline
2. 2023-07-27
1. Microsoft Azure Administrator Associate
2. 2021-05-30
1. Microsoft Ignite Azure Admin Challenge
2. 2021-03-26

SQL

1. Postgres SQL skills
2. 2024-05-31
1. Move from MySql to PostgreSQL
2. 2024-01-31
1. SQL traps - DISTINCT and IN clauses
2. 2021-10-18
1. T-SQL practical tips
2. 2021-08-07
1. SQL table joining special skill
2. 2021-04-28

LINQ

1. LINQ outer join
2. 2021-09-12
1. LINQ compared with SQL
2. 2021-07-25

Jekyll

1. Code block highlight not working in Jekyll
2. 2021-11-28

Android

1. Tips for beginners using Kotlin in Android Studio
2. 2022-01-27

Powershell

1. Powershell tips
2. 2022-10-31

React

1. some tips of changing a class component to a functional component
2. 2024-10-31
1. React homepage setup
2. 2024-07-31
1. PUBLIC_URL in React is not dynamic
2. 2023-12-31
1. some ways to share data among React components
2. 2023-04-29
1. React state life cycle
2. 2023-02-27
1. React state pitfall
2. 2023-01-31
1. React.js basics for beginners
2. 2022-12-27

CSS

1. CSS table max height not working
2. 2023-08-28

docker

1. Docker-compose port mapping
2. 2023-10-30

MS Office

1. Outlook web add-in traps
2. 2024-06-30