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Alvin Liu

Software Developer in Toronto
Browser Extension

History Cleaner Pro 1.7.0 Release Note

History Cleaner Pro is a browser extension designed to help protect your privacy by removing browser history records. I spent a significant amount of time studying how Chrome handles browsing history and “last opened pages” in order to design a more thorough and reliable deletion mechanism. This allows History Cleaner Read more

By Alvin Liu, 1 day2026-02-18 ago
AI

AI DBA: Cursor Access Oracle Database MCP Tool

Cursor requires stdin MCP tool to access database. I have implemented one with Golang. It was tested by production level Database migration. Welcome to try! https://github.com/kjstart/cursor_oracle_mcp_server Features

By Alvin Liu, 1 week2026-02-10 ago
Browser Extension

Your Browser’s Crime Scense Cleanner

Have you ever experienced this awkward situation? You’re sharing your screen, and suddenly some irrelevant browsing history appears in Chrome’s autocomplete suggestions. Chrome actively syncs browsing history across all your devices – even for sites you never visited on your work computer. There’s no time to explain, and honestly, you Read more

By Alvin Liu, 2 weeks2026-02-02 ago
My Recent Certifications from Oracle
AI

My Recent Certifications from Oracle

Thank Oracle for granting me the following certifications:

By Alvin Liu, 2 months2026-01-02 ago
AI Summary Tool for Chrome
AI

AI Summary Tool for Chrome

Have you busy to read online posts? Please try my AI Summary plugin for Chrome. You need to have a OpenAI or compatible API key to use this service. The key only stored in your local Chrome browser. The tool proviced built in prompt to guide AI to summary the Read more

By Alvin Liu, 2 months2026-01-02 ago
General Conversion Tool convertt.top
uncategorized

General Conversion Tool convertt.top

Welcome to try out my new website ConverTT https://www.convertt.top This online toolkit provides a variety of conversion functions for your convenience.

By Alvin Liu, 10 months2025-04-24 ago
Database

SQL Developer Code Templates Autocomplete

Using the short keyword to fill complex SQL in Oracle SQL Developer to make your work more efficient. Follow those simple steps to complete this setup in 5 minutes: Id Usage Template ss Search keyword in stored procedures SELECT * FROM USER_SOURCE WHERE lower(TEXT) LIKE lower(‘%[keyword]%’); st Search tables by Read more

By Alvin Liu, 2 years2024-02-16 ago
Oracle Database Java Stored Procedure
Database

Oracle Database Java Stored Procedure

Oracle database has an user JVM to run Java program on the database server, which is much powerful than normal stored procedure. It can bind with standard stored procedure interface to integrate with other database functions. I will show a quick example here, and full document can be found at Read more

By Alvin Liu, 3 years2023-06-16 ago
Android 13 bypass Restricted Setting without root
Misc

Android 13 bypass Restricted Setting without root

Android 13 introduced a new security feature to block user apps to read notifications. I got this issue when I setup Huawei Health app for my band. Android 13 has built in solution for this limitation. Go to Settings -> Apps, open the app setting with this issue. There are Read more

By Alvin Liu, 3 years2023-06-10 ago
Misc

Backup your Mac without time machine

Time machine is a powerful tool to protect all files on Mac, but maybe sometime you only need a simple alternative way. Here I want to share a way to use build-in rsync command backup a folder to antoher place. You only need one command line: Here work/AU is source Read more

By Alvin Liu, 3 years2023-05-31 ago

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Android Babel Blog Cache cursor Database database mcp Distributed System Dynamo Golang HA Heap JCS JVM Kubernetes Lens Linux Management Memory OCI Oracle Performance Planning Traefik Typescript Ubuntu Webpack WordPress

Post
  • History Cleaner Pro 1.7.0 Release Note
  • AI DBA: Cursor Access Oracle Database MCP Tool
  • Your Browser’s Crime Scense Cleanner
  • My Recent Certifications from Oracle
  • AI Summary Tool for Chrome
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  • Browser Extension
  • Database
  • Distributed System
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  • Golang
  • High Performance
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Comments
  1. Alvin on AI DBA: Cursor Access Oracle Database MCP Tool
  2. martine on Use Lens to connect Kubernetes through SSH Tunnel
  3. kjstart on ES6 – ES13 新特性列表
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