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Walker • Feb 6, 2025 02:18 • Personal • 阅读 2160

I am Walker, born in the early 1980s, a journeyer through code and life. A full-stack development engineer, I navigate the boundaries between front-end and back-end, dedicated to the intersection of technology and art. Code is the language with which I weave dreams; projects are the canvas on which I paint the future. Amidst the rhythmic tapping of the keyboard, I explore the endless possibilities of technology, allowing inspiration to bloom eternally within the code. An avid coffee enthusiast, I am captivated by the poetry and ritual of every pour-over. In the rich aroma and subtle bitterness of coffee, I find focus and inspiration, mirroring my pursuit of excellence and balance in the world of development. Cycling...

I am Walker, born in the early eighties, a traveler of code and life. A full-stack development engineer, navigating the boundaries between frontend and backend, dedicated to the intersection of technology and art.

[Opening]

Code is the language in which I weave dreams; projects are the canvas on which I paint the future. Amidst the clatter of the keyboard, I explore the boundless possibilities of technology, allowing inspiration to bloom eternally within the code.

[Opening]

A deep coffee enthusiast, captivated by the poetry and ritual of every pour-over. Amidst the rich aroma and bitterness of coffee, I seek focus and inspiration, much like pursuing excellence and balance in the world of development.

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Cycling, running, and street workouts are my ways of conversing with nature. As tires roll and steps lighten, the rhythm of life resonates with my heartbeat, and the wind and freedom whisper in my ears.

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Life is an exploration without limits, and I aspire to be a traveler of time, writing my own story between code and scenery.

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主题测试文章，只做测试使用。发布者：Walker，转转请注明出处：https://walker-learn.xyz/archives/9

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Love sports, challenge limits, embrace nature.

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Go Engineer System Course 013 [Study Notes]

Order transactions, whether deducting inventory first or later, will both affect inventory and orders. Therefore, distributed transactions must be used to address business issues (e.g., unpaid orders). One approach is to deduct inventory only after successful payment (e.g., an order was placed, but there was no inventory at the time of payment). Another common method is to deduct inventory when the order is placed, but if payment isn't made, the order is returned/released upon timeout.

Transactions and Distributed Transactions
1. What is a transaction?
A transaction is an important concept in database management systems. It is a collection of database operations, which either all execute successfully, or all...

Walker
Personal Nov 25, 2025
224000
In-depth Understanding of ES6 006 [Study Notes]

Symbol and Symbol properties The 6th primitive data type: Symbol. Private names were originally designed to allow developers to create non-string property names, but general techniques cannot detect the private names of these properties. Creating a Symbol let firstName = Symbol(); let person = {} person[firstName] = "Nicholas"; cons…

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Personal Mar 8, 2025
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Go Engineering Systematic Course 014 [Study Notes]

RocketMQ Quick Start. Go to our various configurations (podman) to see how it's installed. Introduction to Concepts: RocketMQ is a distributed messaging middleware open-sourced by Alibaba and an Apache top-level project. Core components: NameServer: Service discovery and routing; Broker: Message storage, delivery, and fetching; Producer: Message producer (sends messages); Consumer: Message consumer (subscribes to and consumes messages); Topic/Tag: Topic/...

Walker
Personal Nov 25, 2025
164000
Go Engineer Comprehensive Course 009 [Study Notes]

Other features: Personal Center, Favorites, Manage shipping addresses (add, delete, modify, query), Messages. Copy inventory_srv --> userop_srv. Query and replace all inventory. Elasticsearch Deep Dive Document. 1. What is Elasticsearch. Elasticsearch is a distributed, RESTful search and analytics engine built on Apache Lucene, capable of quickly…

Walker
Personal Nov 25, 2025
238000
Go Engineer System Course 005 [Learning Notes]

For microservice development, create a microservice project where all project microservices will reside. Create `joyshop_srv`. We need to create user login and registration services, so we will create another directory `user_srv` under the project directory, along with `user_srv/global` (for global object creation and initialization), `user_srv/handler` (for business logic code), `user_srv/model` (for user-related models), `user_srv/pro...`

Walker
Personal Nov 25, 2025
219000

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