Tag: formats

Use the Postman tool for interface testing – environment variables and request parameter formats!

Introduction In the previous note, we mainly introduced the basic knowledge and basic functions of interface testing. This chapter mainly introduces how to use postman for interface testing. Configure environment variables and global variables Environment variables and global variables In environment management, you can also click “Global” to add global variables. Environment variables only take […]

Understand image formats RAW, RGB, YUV, Packed/Unpacked, Bayer, MIPI, Planar, Semi-Planar, Interleaved in one article

Table of Contents 1. General attributes 1.Packed/Unpacked 2. Compressed/uncompressed 2. RAW 1. Bayer format 2. Classification 3. MIPI RAW 3. RGB Classification 4. YUV 1. YUV to RGB conversion 2. Classification 3. Memory computing 5. Compression format Some people miss it and will never find it again in their lifetime. This article analyzes in detail […]

In ffmpeg, why is the network video stream h264 converted to YUV by default instead of other formats?

When making online videos, knowing and clarifying some video programming concepts early will save you a lot of detours. Corresponding to video transcoding and transmission, if you follow the code directly at first, it is easy to feel that you understand everything, but why you do this seems to be explained in detail. For example: […]

Learn C language quickly | Implement three-piece chess in multiple file formats (prenatal education version teaching) from easy to deep

Article directory Introduction to three piece chess Determine the steps to start the configuration file Implementation of game code Step 1. Determine several parts of the main file test.c 1. Write the main body of the game() function Step 2. Declaration of game.h header file Step 3. Function implementation of game.c 1. Implementation of initialization […]

Vue3 implements file preview in Word, Excel, PDF, pictures, videos and other formats!!!!

First the renderings Plug-in installation First let’s talk about the word file which is the docx-preview plug-in The excel file uses the xlsx plug-in Introducing the data returned by the backend Because the data is processed at the interceptor, the data you finally get when calling the interface is an object, which contains: url: Temporary […]

Use the Postman tool for interface testing – environment variables and request parameter formats

Introduction In the previous note, we mainly introduced the basic knowledge and basic functions of interface testing. This chapter mainly introduces how to use postman for interface testing. Configure environment variables and global variables Environment variables and global variables In environment management, you can also click “Global” to add global variables. Environment variables only take […]

Use the Postman tool for interface testing – environment variables and request parameter formats

Introduction In the previous note, we mainly introduced the basic knowledge and basic functions of interface testing. This chapter mainly introduces how to use postman for interface testing. Configure environment variables and global variables Environment variables and global variables In environment management, you can also click “Global” to add global variables. Environment variables only take […]

Java Excel to PDF, supports xlsx and xls formats, itextpdf [ready to use]

Java Excel to PDF itextpdf, ready to use Tool method 1. How to use 1. Local conversion 2. Internet download 2. Introduction of pom dependencies 3. Tool methods 3. Citations This article mainly organizes the tools and methods. It is organized by referring to other bloggers’ articles for easy use. Tool methods 1. How to […]