1. golangci-lint 1.1 Environment Setup Install golangci-lint
1$ go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest Example batch script for linting all Go modules in a project:
1@if "%DEBUG%"=="" @echo off 2@rem ########################################################################## 3@rem 4@rem Lint all Go modules in backend and frontend folders 5@rem 6@rem ########################################################################## 7 8@rem Set local scope for variables in Windows NT shell 9if "%OS%"=="Windows_NT" setlocal 10 11setlocal enabledelayedexpansion 12 13@REM Get the directory of this script 14set BAT_PATH=%~dp0 15@REM Navigate to the code directory to ensure consistent behavior 16cd /D %BAT_PATH% 17cd .
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1. proto File 1// Specifies the version of the proto syntax, either 2 or 3 2syntax = "proto3"; 3// Declares the import path for the generated Go code, which is the path used to import the pb.go file in other code 4option go_package = "internal/controller"; 5// Package name 6package controller; 1@if "%DEBUG%"=="" @echo off 2@rem ########################################################################## 3@rem 4@rem Build proto 5@rem 6@rem ########################################################################## 7 8set DIRNAME=%~dp0 9cd /D %DIRNAME% 10cd .
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internal 之前没注意这个包名的特殊意义，只知道是内部，但是没想到Go直接将这个命名的包设置为模块级私有访问权限，之前项目中proto生成的.pb.g
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Commonly used fields [Files] Source: "README.TXT"; DestDir: "{app}"; Flags: onlyifdoesntexist onlyifdoesntexist
Only install the file if it doesn’t already exist on the user’s system.
ignoreversion
Don’t compare version info at all; replace existing files regardless of their version number.This flag should only be used on files private to your application, never on shared system files.
内存对齐 概念 内存对齐是指数据在内存中的存储起始地址必须是某个值的整数倍（通常是2、4、8等）。 操作系统访问内存时是按照字长（word）为单位
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GO编程陷阱和常见错误 完整内容见鸟窝翻译的Go的50度灰：Golang新开发者要注意的陷阱和常见错误，本文仅列出不那么基础的几项。 使用“ni
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Dig 背景 之前 gRPC 连接时的 target 一直写死在代码里，联调的时候每次都要修改源码再重新编译，个人倾向于写在配置文件里。程序启动时在初始化过程中已经解析了配
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Lint 环境 安装 golangci-lint 1$ go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest 1@if "%DEBUG%"=="" @echo off 2@rem ########################################################################## 3@rem 4@rem Lint all go mod in backend and frontend folder 5@rem 6@rem ########################################################################## 7 8@rem Set local scope for the variables with windows NT shell 9if "%OS%"=="Windows_NT" setlocal 10 11setlocal enabledelayedexpansion 12 13@REM 本脚本所在目录 14set BAT_PATH=%~dp0 15@REM 进入code,使在任
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1// findSmallestMissingNumber finds the smallest missing positive integer in the array 2func findSmallestMissingNumber(nums []int) int { 3 n := len(nums) 4 5 // Traverse the array, placing each number in its correct position 6 for i := 0; i < n; i++ { 7 for nums[i] > 0 && nums[i] <= n && nums[nums[i]-1] != nums[i] { 8 nums[i], nums[nums[i]-1] = nums[nums[i]-1], nums[i] 9 } 10 } 11 12 // Traverse the array again to find the first number not in its correct position 13 for i := 0; i < n; i++ { 14 if nums[i] !
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1// UndistortImage Distortion Correction 2func UndistortImage(imgData []byte, imgSize image.Point, cameraMatrix gocv.Mat, distCoeffs gocv.Mat, newCameraMatrix gocv.Mat) ([]byte, error) { 3 mapx := gocv.NewMatWithSize(imgSize.X, imgSize.Y, gocv.MatTypeCV32F) 4 defer mapx.Close() 5 mapy := gocv.NewMatWithSize(imgSize.X, imgSize.Y, gocv.MatTypeCV32F) 6 defer mapy.Close() 7 r := gocv.Eye(3, 3, gocv.MatTypeCV32F) 8 defer r.Close() 9 10 // Initialize the correction map 11 gocv.InitUndistortRectifyMap(cameraMatrix, distCoeffs, r, newCameraMatrix, imgSize, int(gocv.MatTypeCV32F), mapx, mapy) 12 // Save the corrected image 13 src, err := gocv.
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