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Docs: Jupyte文档整理与更新

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Docs/Jupter笔记.001.入门说明.ipynb
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Docs/Jupter笔记.002.连接数据库.ipynb
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"source": [
"连接数据库\n",
"==============================\n",
"连接到SQL Server,并操作数据。 "
]
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"+ 引用操作类库"
]
},
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"execution_count": null,
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"language": "csharp"
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"source": [
"#r \"nuget:Microsoft.Dotnet.Interactive.SqlServer,*-*\""
]
},
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"language": "csharp"
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"source": [
"+ 连接到SQL Server\n",
" > 数据库连接命令为 `#!connect` 查看连接帮助 `#!connect -h`"
]
},
{
"cell_type": "code",
"execution_count": null,
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"outputs": [],
"source": [
"#!connect -h\n"
]
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"source": [
"> 连接到本机SQL Server, 特别注意的是 --kernel-name 指定名称，后面的SQL操作均需要使用：sql-{{kernel-name}}的值\n",
"> 比如 --kernel-name Demo, 则该SQL连接的kernel名称为 sql-Demo, 使用 #!sql-Demo 进行引用"
]
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"cell_type": "code",
"execution_count": 2,
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"Kernel added: #!sql-Demo"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"#!connect mssql \"server=.\\SQL2008;uid=sa;pwd=gly-bicijinlian;database=Demo;Encrypt=True;TrustServerCertificate=True;\" --kernel-name Demo\n",
"\n",
"//重复执行会抛出错误，目前没有找到解决方法\n"
]
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"+ 使用连接\n",
" 一种方法是：在右下角，切换 Kernel, 由 `csharp - C# Script` 换成 由--kernel-name指定值生成的 `sql-Demo - T-SQL`"
]
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"metadata": {
"dotnet_interactive": {
"language": "sql-Demo"
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"polyglot_notebook": {
"kernelName": "sql-Demo"
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"vscode": {
"languageId": "polyglot-notebook"
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"(4 行受到影响)"
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"Id,Name,Age\r\n",
"1,张三,20\r\n",
"2,李四,30\r\n",
"3,三丰,300\r\n",
"4,小龙子,50\r\n"
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"<table><thead><tr><td><span>Id</span></td><td><span>Name</span></td><td><span>Age</span></td></tr></thead><tbody><tr><td><div class=\"dni-plaintext\"><pre>1</pre></div></td><td>张三</td><td><div class=\"dni-plaintext\"><pre>20</pre></div></td></tr><tr><td><div class=\"dni-plaintext\"><pre>2</pre></div></td><td>李四</td><td><div class=\"dni-plaintext\"><pre>30</pre></div></td></tr><tr><td><div class=\"dni-plaintext\"><pre>3</pre></div></td><td>三丰</td><td><div class=\"dni-plaintext\"><pre>300</pre></div></td></tr><tr><td><div class=\"dni-plaintext\"><pre>4</pre></div></td><td>小龙子</td><td><div class=\"dni-plaintext\"><pre>50</pre></div></td></tr></tbody></table><style>\r\n",
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"SELECT * from Test"
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"> 推荐的是下面的方法：即使用 `#!sql-Demo` ,后面直接写SQL语句，不用切换 kernel "
]
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"(4 行受到影响)"
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"Id,Name,Age\r\n",
"1,张三,20\r\n",
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"4,小龙子,50\r\n"
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"#!sql-Demo\n",
"SELECT * from Test"
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"metadata": {
"dotnet_interactive": {
"language": "csharp"
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"source": [
"## 使用 EF Core"
]
},
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"+ 新连接,添加 --create-dbcontext 参数"
]
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"execution_count": 5,
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{
"data": {
"text/markdown": [
"Scaffolding a `DbContext` and initializing an instance of it called `DemoEF` in the C# kernel."
]
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"output_type": "display_data"
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"text/html": [
"<div><div></div><div></div><div><strong>Installed Packages</strong><ul><li><span>Humanizer, 2.14.1</span></li><li><span>humanizer.core, 2.14.1</span></li><li><span>Microsoft.EntityFrameworkCore.Design, 7.0.0</span></li><li><span>microsoft.entityframeworkcore.sqlserver, 7.0.0</span></li><li><span>microsoft.identity.client, 4.48.1</span></li></ul></div></div>"
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"name": "stdout",
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"text": [
"Security Warning: The negotiated TLS 1.0 is an insecure protocol and is supported for backward compatibility only. The recommended protocol version is TLS 1.2 and later.\r\n"
]
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"Kernel added: #!sql-DemoEF"
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"#!connect mssql \"server=.\\SQL2008;uid=sa;pwd=gly-bicijinlian;database=Demo;Encrypt=True;TrustServerCertificate=True;\" --create-dbcontext --kernel-name DemoEF "
]
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"source": [
"上面的连接操作，会执行下面的任务：\n",
"搭建EFCore基架,并初始化 DBContext 的实例: DemoEF\n",
"安装包相关Nuget包,详情见输出\n",
"添加新的子内核 #!sql-DemoEF"
]
},
{
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"source": [
"+ 使用EFCore连接，操作数据"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
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"polyglot_notebook": {
"kernelName": "csharp"
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"vscode": {
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},
"outputs": [
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"data": {
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"(4 行受到影响)"
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"Id,Name,Age\r\n",
"1,张三,20\r\n",
"2,李四,30\r\n",
"3,三丰,300\r\n",
"4,小龙子,50\r\n"
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"#!sql-DemoEF\n",
"SELECT * from Test"
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"+ 程序中使用EF Core连接"
]
},
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"cell_type": "code",
"execution_count": 35,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
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"kernelName": "csharp"
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"vscode": {
"languageId": "polyglot-notebook"
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"outputs": [
{
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"<table><thead><tr><th><i>index</i></th><th>value</th></tr></thead><tbody><tr><td>0</td><td><details class=\"dni-treeview\"><summary><span class=\"dni-code-hint\"><code>Submission#4+Test</code></span></summary><div><table><thead><tr></tr></thead><tbody><tr><td>Id</td><td><div class=\"dni-plaintext\"><pre>1</pre></div></td></tr><tr><td>Name</td><td>张三</td></tr><tr><td>Age</td><td><div class=\"dni-plaintext\"><pre>20</pre></div></td></tr></tbody></table></div></details></td></tr><tr><td>1</td><td><details class=\"dni-treeview\"><summary><span class=\"dni-code-hint\"><code>Submission#4+Test</code></span></summary><div><table><thead><tr></tr></thead><tbody><tr><td>Id</td><td><div class=\"dni-plaintext\"><pre>2</pre></div></td></tr><tr><td>Name</td><td>李四</td></tr><tr><td>Age</td><td><div class=\"dni-plaintext\"><pre>30</pre></div></td></tr></tbody></table></div></details></td></tr><tr><td>2</td><td><details class=\"dni-treeview\"><summary><span class=\"dni-code-hint\"><code>Submission#4+Test</code></span></summary><div><table><thead><tr></tr></thead><tbody><tr><td>Id</td><td><div class=\"dni-plaintext\"><pre>3</pre></div></td></tr><tr><td>Name</td><td>三丰</td></tr><tr><td>Age</td><td><div class=\"dni-plaintext\"><pre>300</pre></div></td></tr></tbody></table></div></details></td></tr><tr><td>3</td><td><details class=\"dni-treeview\"><summary><span class=\"dni-code-hint\"><code>Submission#4+Test</code></span></summary><div><table><thead><tr></tr></thead><tbody><tr><td>Id</td><td><div class=\"dni-plaintext\"><pre>4</pre></div></td></tr><tr><td>Name</td><td>小龙子</td></tr><tr><td>Age</td><td><div class=\"dni-plaintext\"><pre>50</pre></div></td></tr></tbody></table></div></details></td></tr></tbody></table><style>\r\n",
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"//连接建立后，执行环境中就有了相关的类：DBContext等\n",
"DemoEFContext context = new DemoEFContext();\n",
"var t = context.Tests.ToList<Test>();\n",
"display(t);\n",
"\n",
"FormattableString fs = $\"select * from Test;\";\n",
"var c = context.Database.ExecuteSql(fs);\n",
"display(c);"
]
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"name": ".net-csharp"
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635
Docs/Jupyter笔记.1.1.入门说明.ipynb
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"cells": [
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"source": [
"Jupyter笔记 简单入门\n",
"=============================="
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
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},
"source": [
"使用 Jupyter NoteBook 形式，优点是代码执行和 Markdown 文档放在同一个文件中，并可以交替显示和分段执行代码。"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"## 显式声明使用 C# 语言\n",
"+ csharp\n",
"+ fsharp\n",
"+ pwsh"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
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"kernelName": "csharp"
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"vscode": {
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},
"outputs": [],
"source": [
"#!csharp"
]
},
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"attachments": {},
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},
"source": [
"## C# 中的引用\n",
"+ 导入程序文件\n",
" > 可以导入多种文件，包括 .cs .csc .fc .js等，语法为` #!import /path/to/file ` \n",
"+ 引用本机 Dll 文件\n",
" > 可以导入本机编译好的dll文件，语法为 `#!import /path/to/file`\n",
"+ 引用 Nuget 包\n",
"+ > 默认包源下，可以导入nuget,当然也可以设置包源，语法为 `#r 包名,可选版本号`"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"## C# 中的引用\n",
"+ 导入程序文件\n",
" > 可以导入多种文件，包括 .cs .csc .fc .js等，语法为` #!import /path/to/file ` "
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#! import \"..\\MultiThreadingStudy.Core\\Person.cs\"\n",
"\n",
"Person p = new Person()\n",
"{\n",
" Id=1,\n",
" Name=\"小张\",\n",
" Address=\"上海无名路1号\",\n",
" Age = 28\n",
"};\n",
"//在NoteBook中，可以格式化显示(Notebook提供) C#对象：使用 display(对象); 如果在代码结尾的话，可以直接写 C#对象。\n",
"display(p);\n",
"\n",
"//代码结尾的话，直接写 对象\n",
"p"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"var x = new {Name=\"xx\",Agx=33};\n",
"display(x);"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"+ 引用本机 Dll 文件\n",
" > 可以导入本机编译好的dll文件，语法为 `#!import /path/to/file`"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#r \"..\\MultiThreadingStudy.Core\\bin\\Debug\\netstandard2.1\\MultiThreadingStudy.Core.dll\"\n",
"\n",
"using MultiThreadingStudy.Core;\n",
"\n",
"MultiThreadingStudy.Core.Person personA= new MultiThreadingStudy.Core.Person()\n",
"{\n",
" Id=2,\n",
" Name=\"本山\",\n",
" Age=55\n",
"};\n",
"\n",
"personA"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"+ 引用 Nuget 包"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"//安装库的最新版本\n",
"#r \"nuget:newtonsoft.json\"\n",
"var jsonObj = new {Id=2,Name=\"newtonsoft类库\", Age=6};\n",
"\n",
"//使用库\n",
"var jsonText = Newtonsoft.Json.JsonConvert.SerializeObject(jsonObj);\n",
"jsonText"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"//安装库的指定版本\n",
"#r \"nuget:System.Text.Json,4.7.2\"\n",
"\n",
"//使用库\n",
"var jsonObj2 = new {Id=2,Name=\"System.Text.Json类库\", Age=6};\n",
"var jsonText2 = System.Text.Json.JsonSerializer.Serialize(jsonObj2);\n",
"jsonText2"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"//安装最新的预览版库\n",
"#r \"nuget:xunit,*-*\"\n",
"\n",
"using Xunit;\n",
"using Xunit.Abstractions;\n",
"using Xunit.Sdk;\n",
"\n",
"public class UnitTest1\n",
"{\n",
" [Fact]\n",
" public void Test1()\n",
" {\n",
" Assert.True(true, \"xxxx\");\n",
" }\n",
"}"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"## Nuget 包源管理\n"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"+ 默认 Nuget 包源\n",
" > 默认包源可能是：https://api.nuget.org/v3/index.json 使用默认包源的话，可以不添加包源引用。当然也可以添加。"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#r \"nuget:AutoFixture.Xunit2\""
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"//也可以指定默认包源\n",
"#i \"nuget:https://api.nuget.org/v3/index.json\"\n",
"\n",
"#r \"nuget:AutoFixture.Xunit2\""
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"+ 本机包源 Nuget"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"//添加本地包源\n",
"#i \"nuget:C:\\Program Files (x86)\\Microsoft SDKs\\NuGetPackages\\\"\n",
"\n",
"//使用包源\n",
"#r \"nuget:xunit\"\n"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"+ 经过身份验证的Nuget包源\n",
" > 不能直接引用验证包源，可以通过将源的 PAT 放入用户级 nuget.config 文件来访问经过身份验证的源"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"## 内建魔术命令"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"+ #!about 显示有关内核版本的信息"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#!about"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"+ #!lsmagic 列出可用的魔术命令，包括可能已通过扩展安装的命令"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#!lsmagic"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"+ #!time 显示执行时间"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#!time"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"+ -h 参数 显示命令的帮助信息"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#!time -h"
]
}
],
"metadata": {
"kernelspec": {
"display_name": ".NET (C#)",
"language": "C#",
"name": ".net-csharp"
},
"polyglot_notebook": {
"kernelInfo": {
"defaultKernelName": "csharp",
"items": [
{
"aliases": [
"c#",
"C#"
],
"languageName": "C#",
"name": "csharp"
},
{
"aliases": [
"frontend"
],
"languageName": null,
"name": "vscode"
},
{
"aliases": [
"js"
],
"languageName": "JavaScript",
"name": "javascript"
},
{
"aliases": [],
"name": "webview"
},
{
"aliases": [],
"languageName": null,
"name": ".NET"
},
{
"aliases": [],
"languageName": "KQL",
"name": "kql"
}
]
}
}
},
"nbformat": 4,
"nbformat_minor": 2
}

546
Docs/Jupyter笔记.1.2.连接数据库.ipynb
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{
"cells": [
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"连接数据库\n",
"============================== "
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"连接到SQL Server,并操作数据。"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"## 引用操作类库"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#r \"nuget:Microsoft.Dotnet.Interactive.SqlServer,*-*\""
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"## 连接到SQL Server"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"### 数据库连接命令"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"#### 命令概述: 使用帮助参数"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"数据库连接命令为 `#!connect` 查看连接帮助 `#!connect -h`"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#!connect -h"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"#### 连接到本机SQL Server"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"1. 建立连接"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"> 连接到本机SQL Server, 特别注意的是 --kernel-name 指定名称，后面的SQL操作均需要使用：sql-{{kernel-name}}的值\n",
"> 比如 --kernel-name Demo, 则该SQL连接的kernel名称为 sql-Demo, 使用 #!sql-Demo 进行引用"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#!connect mssql \"server=.\\SQL2008;uid=sa;pwd=gly-bicijinlian;database=Demo;Encrypt=True;TrustServerCertificate=True;\" --kernel-name Demo\n",
"//重复执行会抛出错误，目前没有找到解决方法"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"2. 使用连接: 方式一"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"> 在右下角，切换 Kernel, 由 `csharp - C# Script` 换成 由--kernel-name指定值生成的 `sql-Demo - T-SQL`"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "sql-Demo"
},
"polyglot_notebook": {
"kernelName": "sql-Demo"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"SELECT * from Test"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"2. 使用连接：方式二(推荐)"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"> 使用 `#!sql-Demo` ,后面直接写SQL语句，不用切换 kernel "
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#!sql-Demo\n",
"SELECT * from Test"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"## 使用 EF Core"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"### 新连接: 添加 --create-dbcontext 参数"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#!connect mssql \"server=.\\SQL2008;uid=sa;pwd=gly-bicijinlian;database=Demo;Encrypt=True;TrustServerCertificate=True;\" --create-dbcontext --kernel-name DemoEF "
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"上面的连接操作，会执行下面的任务：\n",
"+ 搭建EFCore基架,并初始化 DBContext 的实例: DemoEF\n",
"+ 安装包相关Nuget包,详情见输出\n",
"+ 添加新的子内核 #!sql-DemoEF"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"### 使用EFCore连接: 操作数据"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"#### 类SQL脚本方式"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"#!sql-DemoEF\n",
"SELECT * from Test"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"#### C#程序中使用EF Core"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"//连接建立后，执行环境中就有了相关的类：DBContext等\n",
"DemoEFContext context = new DemoEFContext();\n",
"var t = context.Tests.ToList<Test>();\n",
"display(t);\n",
"\n",
"FormattableString fs = $\"select * from Test;\";\n",
"var c = context.Database.ExecuteSql(fs);\n",
"display(c);"
]
}
],
"metadata": {
"kernelspec": {
"display_name": ".NET (C#)",
"language": "C#",
"name": ".net-csharp"
},
"polyglot_notebook": {
"kernelInfo": {
"defaultKernelName": "csharp",
"items": [
{
"aliases": [
"c#",
"C#"
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"languageName": "C#",
"name": "csharp"
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"aliases": [],
"languageName": "SQL",
"name": "sql"
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{
"aliases": [
"frontend"
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"languageName": null,
"name": "vscode"
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"aliases": [],
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"name": ".NET"
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"aliases": [
"f#",
"F#"
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"languageName": "F#",
"name": "fsharp"
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"aliases": [],
"languageName": "HTML",
"name": "html"
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"aliases": [],
"languageName": "KQL",
"name": "kql"
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"aliases": [],
"languageName": "Mermaid",
"name": "mermaid"
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"aliases": [
"powershell"
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"languageName": "PowerShell",
"name": "pwsh"
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"aliases": [],
"name": "value"
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"nbformat": 4,
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187
Docs/Jupyter笔记.2.1.原生线程.ipynb
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{
"cells": [
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"原生线程\n",
"============================== "
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"由操作系统管理的线程称为原生线程，或系统线程。"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
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},
"source": [
"## 概述"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
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},
"source": [
"## 上下文切换"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"## 线程调度"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
}
},
"source": [
"## 栈空间"
]
}
],
"metadata": {
"kernelspec": {
"display_name": ".NET (C#)",
"language": "C#",
"name": ".net-csharp"
},
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"frontend"
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"powershell"
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"languageName": "PowerShell",
"name": "pwsh"
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"aliases": [],
"languageName": null,
"name": ".NET"
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"aliases": [
"f#",
"F#"
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"languageName": "F#",
"name": "fsharp"
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{
"aliases": [],
"languageName": "HTML",
"name": "html"
},
{
"aliases": [],
"languageName": "KQL",
"name": "kql"
},
{
"aliases": [],
"languageName": "Mermaid",
"name": "mermaid"
},
{
"aliases": [],
"languageName": "SQL",
"name": "sql"
},
{
"aliases": [],
"languageName": null,
"name": "value"
},
{
"aliases": [
"js"
],
"languageName": "JavaScript",
"name": "javascript"
},
{
"aliases": [],
"name": "webview"
},
{
"aliases": [],
"languageName": "T-SQL",
"name": "sql-Demo"
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]
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"nbformat_minor": 2
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Docs/Jupyter笔记.2.2.托管线程.ipynb
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Docs/Jupter笔记.002.线程.ipynb → Docs/Jupyter笔记.2.3.抢占与合作模式.ipynb
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@ -12,10 +12,8 @@
}
},
"source": [
"Thread 使用\n",
"==============================\n",
"学习 Thread，执行各种 Thread 操作。\n",
"特别注意：NoteBook 本身的运行线程是后台线程，不会等待由其创建的线程执行结束。与控制台等应用有区别。 "
"抢占模式与合作模式\n",
"=============================="
]
},
{
@ -30,30 +28,8 @@
}
},
"source": [
"> 全局设置，语言设置、Nuget包引用、空间引用等"
]
},
{
"cell_type": "code",
"execution_count": 26,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [],
"source": [
"//全局设置\n",
"#!csharp\n",
"using System.Threading;\n",
"using System.Threading.Channels;\n",
"using System.Threading.Tasks;"
"学习 Thread，执行各种 Thread 操作。 \n",
"特别注意：NoteBook 本身的运行线程是后台线程，不会等待由其创建的线程执行结束。与控制台等应用有区别。 "
]
},
{
@ -68,12 +44,12 @@
}
},
"source": [
"> 创建托管线程，注意：NoteBook 本身的运行线程是后台线程，不会等待由其创建的线程执行结束，这点与控制台等应用有区别。 "
"## 全局设置，语言设置、Nuget包引用、空间引用等"
]
},
{
"cell_type": "code",
"execution_count": 49,
"execution_count": 1,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
@ -85,66 +61,16 @@
"languageId": "polyglot-notebook"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"NoteBook线程，线程ID：6 \n",
"NoteBook线程，线程名：.NET ThreadPool Worker \n",
"NoteBook线程，线程池线程：是的 \n",
"NoteBook线程，后台线：是的 \n"
]
}
],
"source": [
"//显示 NoteBook 执行线程信息\n",
"var desc = \"NoteBook线程，\";\n",
"Console.WriteLine($\"{desc}线程ID：{Thread.CurrentThread.ManagedThreadId} \");\n",
"Console.WriteLine($\"{desc}线程名：{Thread.CurrentThread.Name} \");\n",
"Console.WriteLine($\"{desc}线程池线程：{(Thread.CurrentThread.IsThreadPoolThread ? \"是的\" : \"否\")} \");\n",
"Console.WriteLine($\"{desc}后台线：{(Thread.CurrentThread.IsBackground ? \"是的\" : \"不是\")} \");"
]
},
{
"cell_type": "code",
"execution_count": 60,
"metadata": {
"dotnet_interactive": {
"language": "csharp"
},
"polyglot_notebook": {
"kernelName": "csharp"
},
"vscode": {
"languageId": "polyglot-notebook"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"线程：新线程，已经执行！\n",
"线程：NoteBook线程，, 执行结束！\n"
]
}
],
"outputs": [],
"source": [
"ThreadStart start = ()=>\n",
"{\n",
" Console.WriteLine($\"线程：{Thread.CurrentThread.Name}，已经执行！\");\n",
"};\n",
"\n",
"var t = new Thread(start)\n",
"{\n",
" Name=\"新线程\"\n",
"};\n",
"t.Start();\n",
"//如果不join，新创建的线程，可能还没来得及执行，就随着Notebook线程的结束而结束了。\n",
"t.Join();\n",
"//全局设置\n",
"#!csharp\n",
"using System.Threading;\n",
"using System.Threading.Channels;\n",
"using System.Threading.Tasks;\n",
"\n",
"Console.WriteLine($\"线程：{desc}, 执行结束！\");\n"
"//全局变量\n",
"var noteBookThreadDesc = \"NoteBook线程\";"
]
}
],
@ -182,6 +108,7 @@
},
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"aliases": [],
"languageName": null,
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{
@ -214,6 +141,7 @@
},
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"aliases": [],
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{

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Docs/并发与并行.md
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# **并行与并发**
# 概念：
**并发**：同时发生(申请)：申请者(应用)将多个任务`同时或同一时间间隔`向`单一执行者(`CPU)申请执行；执行者同时接收或同时存在多外执行任务，`交替(非同时)执行`，因执行的非常快，`在申请方看来，是多个申请同时得到执行`。
**并行**：同时执行：申请者(应用)将多个任务`同一时刻`向`多个执行者(`CPU)申请执行；多个执行者`同时接收并同时执行`。
## 区别：
+ 对象不同：并发针对单一执行者(CPU),并行针对多个执行者(CPU)
+ 时间不同：并发指同一时间间隔，申请者宏观上看任务是同时得到处理（因为执者执行的非常快，交替执行的时间片很小），执行者微观上是交替执行（一个执行者，同一时刻只能执行一个任务）；并行指同一时刻，多个执行者（CPU）同时处理多个任务（其中每个处理者处理一个任务）。
+ 含义不同：并发同一执行者，宏观上同时处理多个任务；并行是多个执行者，微观上同一时刻，执行多个任务。
## 联系：
+ 单核 CPU：只能并发不能并行；提高响应能力。
+ 多核 CPU：多核上可以并行，提高吞吐量；同时在每个核心上可能并发，提高响应能力。
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