Handling dozens of monitoring targets makes manual Prometheus rule updates a bottleneck. An automated pipeline that accepts alert definitions through a REST interface, persists them in a database, and safely pushes generated rule files to Prometheus servers eliminates this pain. Architecture Overvie...
Project Environment Setup Establishing a consistent development environment is the first step towards efficiency. Code and File Encodings Configure global encoding settings to prevent issues with international characters. Navigate to File → Settings → Editor → File Encodings. Set Global Encoding, Pr...
Selenium is a widely-used web automation framework that drives browsers by mimicking real user interactions. Understanding its internal communication mechanism helps developers debug issues and build more efficient test frameworks. Architecture Overview Selenium's architecture follows a classic clie...
Automated Excel Work Log Generation This program automatically generaets Excel spreadsheets for daily work logs. It cnosists of three modules that handle user input, date processing, and Excel file creation. Project Structure 1. Main Entry Point (main.py) Accepts user input for log entries, validate...
What is JsonPath? JsonPath is a lightweight query language for JSON that lets you pinpoint and extract any fragment from a document with a single expression. Available in Java, Python, JavaScript, PHP, and more, it behaves like XPath for XML and is indispensable when you need to assert values, lengt...
To run a Python script continuously in the background on a Linux system, you can register it as a systemd service. This approach ensures automatic startup on boot and recovery after unexpected termination. Prerequisites Ensure you have a working Python script. For this example, assume the script is...
Postman simplifies API testing by allowing users to construct, send, and validate HTTP requests against REST endpoints. Consider a typical user management API that supports standard CRUD operations. Core Endpoints GET /api/users – Retrieve all users POST /api/users – Create a new user GET /api/users...
Installing GitLab Obtaining GitLab Package Download the appropriate GitLab CE package from the Tsinghua University Open Source Mirror site: Index of /gitlab-ce/yum/el7/ Instaling Prerequisites Install required system dependencies: yum install -y curl policycoreutils-python openssh-server Enable and...
Gulp is an automation tool built on Node.js, widely used infrontend development for automating repetitive tasks like compressing JavaScript files, compiling Sass stylesheets, merging files, and optimizing images. Setting Up Gulp Environment To use Gulp, you need to have Node.js installed with a vers...
Kernel Module Build Configuration obj-m := module_driver.o # multi_files := component1.o component2.o KERNEL_PATH := /usr/src/linux MODULE_SRC := $(shell pwd) build: $(MAKE) -C $(KERNEL_PATH) SUBDIRS=$(MODULE_SRC) modules @rm -f *.mod.* .*.cmd *.o Module.* clean: rm -f *.ko Core Makefile Concepts Ta...