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Flutter

Golang

Flutter问题

flutter
build

Golang问题

C#

QT

Windows

NodeJS

ERROR:D8: Cannot fit requested classes in a single dex file (# methods: 65704 > 65536)

Flutter问题

使用glebarez/sqlite

Golang问题

使用github.com/glebarez/sqlite代替github.com/mattn/go-sqlite3

[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: Invalid argument(s): Failed to load dynamic library 'sqlite3.dll': error code 126

Flutter问题

winform

C#

proxy

Golang问题

下载

QT

组策略

Windows

npm

NodeJS

错误信息

Flutter问题 ERROR:D8: Cannot fit requested classes ...

Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this source! Launching lib\main.dart on M2012K11AC in debug mode... Flutter assets will be downloaded from https://storage.flutter-io.cn. Make sure you trust this sou...

解决方法

Flutter问题 ERROR:D8: Cannot fit requested classes ...

文件:android/app/build.gradle defaultConfig { // 省略部分默认内容 // 在defaultConfig里添加以下内容 multiDexEnabled true } // 省略部分默认内容 dependencies { // 在dependencies里添加以下内容 implementation 'com.android.support:multidex:1.0.3' }  

sqlx使用示例

Golang问题 使用glebarez/sqlite

package main import ( "github.com/jmoiron/sqlx" _ "github.com/glebarez/sqlite" ) func main(){ db, err := sqlx.Connect("sqlite", "file:./public/data.db?cache=shared") if err != nil { return } }  

casbin使用示例

Golang问题 使用glebarez/sqlite

package main import ( sqlxadapter "github.com/Blank-Xu/sqlx-adapter" "github.com/casbin/casbin/v2" "github.com/casbin/casbin/v2/model" "github.com/casbin/casbin/v2/persist" "github.com/jmoiron/sqlx" _ "github.com/glebarez/sqlite" ) f...

编译示例

Golang问题 使用glebarez/sqlite

Linux SET CGO_ENABLED=0 SET GOOS=linux SET GOARCH=amd64 go build Windows SET CGO_ENABLED=0 SET GOOS=windows SET GOARCH=amd64 go build  

错误信息

Flutter问题 [ERROR:flutter/runtime/dart_vm_initiali...

运行时提示错误 运行时窗口打不开,但进程还在在运行。 使用命令行运行保存错误信息: xxxx.exe 2>err.log err.log [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: Invalid argument(s): Failed to load dynamic library 'sqlite3.dll': error code 126 #0 _open (dart:ffi-patch/f...

解决方法

Flutter问题 [ERROR:flutter/runtime/dart_vm_initiali...

增加sqlite3_flutter_libs库依赖 flutter pub add sqlite3_flutter_libs

使用控制台输出

C# winform

默认生成的代码: using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using System.Windows.Forms; namespace Test01 { internal static class Program { /// <summary> /// 应用程序的主入口点。 ...

goproxy(七牛云)

Golang问题 proxy

Go 1.13 及以上(推荐) 打开你的终端并执行 $ go env -w GO111MODULE=on $ go env -w GOPROXY=https://goproxy.cn,direct 完成。 macOS 或 Linux 打开你的终端并执行 $ export GO111MODULE=on $ export GOPROXY=https://goproxy.cn 或者 $ echo "export GO111MODULE=on" >> ~/.profile $ echo "export...

全部

QT 下载

https://download.qt.io/

最新

QT 下载

最新下载地址,包括在线和离线安装包 https://www.qt.io/offline-installers

'gpedit.msc' 不是内部或外部命令,也不是可运行的程序 或批处理文件。

Windows 组策略

Windows11家庭版默认没有组策略(gpedit.msc),可以通过以下方式安装 批处理脚本把以下内容保存成bat格式文件,然后运行(不行的话使用管理员权限运行)。@echo off pushd "%~dp0" dir /b C:\Windows\servicing\Packages\Microsoft-Windows-GroupPolicy-ClientExtensions-Package~3*.mum >List.txt dir /b C:\Windows\servicing\Packages\...

国内源

NodeJS npm

设置 npm config set registry https://registry.npmmirror.com   查询 jason@lenovo-xiaoxin:~$ npm config get registry https://registry.npmmirror.com/