01 2022 档案
摘要:address_book = ['receiver@test.cn'] msg = MIMEMultipart() sender = 'sender@sender.cn' subject = "My subject2222222222222" body = "This is my email bod
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摘要:Row( mainAxisAlignment: MainAxisAlignment.center, crossAxisAlignment: CrossAxisAlignment.center, children: [ Text('是否内部移库? ->'), Builder( builder: (Bu
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摘要:https://www.jianshu.com/p/3b7b1b1d3d7d 出现问题: 在Android真机调试时会出现没有网络权限的情况; 解决办法: 在AndroidManifest.xml 中添加 <uses-permission android:name="android.permissi
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摘要:import 'package:flutter/material.dart'; void main() { runApp(HomePage()); } class HomePage extends StatelessWidget{ @override Widget build(BuildContex
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摘要:import 'package:flutter/material.dart'; void main() { runApp(MyApp()); } class MyApp extends StatelessWidget { @override Widget build(BuildContext con
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摘要:from exchangelib import DELEGATE, Account, Credentials, Message, Mailbox, HTMLBody def Email(to, subject, body): creds = Credentials( username='a@live
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摘要:使用命令pg_ctl.exe register -N “pgsql” -D “C:\Program Files\PostgreSQL\12\data” 将postgresql注册为服务执行net start pgsql 启动服务pgsql连接默认用户名为本机系统用户名 密码任意 即可使用工具连接po
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摘要:I have below code in flutter. In initialRoute: attribute, it needs to call isLoggedIn() method which is an async function. I got an error saying I nee
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摘要:question: Let's assume that an initialization of MyComponent in Dart requires sending an HttpRequest to the server. Is it possible to construct an obj
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摘要:现代手机屏幕尺寸各不相同,导致我们平时写布局的时候会在个不同的移动设备上显示的效果不同。 为了达到一套代码所有手机体验一致效果,需要做尺寸上的适配。 适配方案: 计算公式:实际尺寸 = UI尺寸 * 设备宽度/设计图宽度 1px方案 : 1px = 1 / 设备像素比 实现代码如下(以750设计图为
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