Add Jakub Jares sources (#29)

JakubJares/C# ecosystem intro/MySolution/ClassLibrary1/ClassLibrary1.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

JakubJares/C# ecosystem intro/MySolution/ClassLibrary1/Emoji.cs

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+namespace ClassLibrary1
+{
+    public class Emoji
+    {
+        public string Name { get; set; }  // Avocado
+        public string Glyph { get; set; } // 🥑
+    }
+}

JakubJares/C# ecosystem intro/MySolution/ClassLibrary1/EmojiMath.cs

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+namespace ClassLibrary1
+{
+    public class EmojiMath
+    {
+        public Emoji Add(Emoji left, Emoji right)
+        {
+            var emoji = new Emoji
+            {
+                Name = $"{left.Name}+{right.Name}",
+                Glyph = left.Glyph + right.Glyph,
+            };
+
+            return emoji;
+        }
+    }
+}

JakubJares/C# ecosystem intro/MySolution/ConsoleApp1/ConsoleApp1.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="ConsoleDump" Version="0.7.0" />
+	</ItemGroup>
+
+	<ItemGroup>
+    <ProjectReference Include="..\ClassLibrary1\ClassLibrary1.csproj" />
+  </ItemGroup>
+
+</Project>

JakubJares/C# ecosystem intro/MySolution/ConsoleApp1/Program.cs

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+
+using ClassLibrary1;
+using ConsoleDump;
+using System;
+
+namespace ConsoleApp1
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            var math = new EmojiMath();
+            var avocado = new Emoji
+            {
+                Name = "avocado",
+                Glyph = "🥑",
+            };
+            var unicorn = new Emoji
+            {
+                Name = "unicorn",
+                Glyph = "🦄"
+            };
+
+            var result = math.Add(avocado, unicorn);
+            Console.WriteLine(result);
+            Console.WriteLine("-----------\n");
+
+            Console.WriteLine($"{result.Name} {result.Glyph}");
+            Console.WriteLine("-----------\n");
+
+            result.Dump();
+
+            Console.ReadLine();
+        }
+    }
+}

JakubJares/C# ecosystem intro/MySolution/MySolution.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31025.194
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConsoleApp1", "ConsoleApp1\ConsoleApp1.csproj", "{FFE5B6BE-B58A-4222-AB80-D390F19BFB09}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestProject1", "TestProject1\TestProject1.csproj", "{950036A2-E67D-4E29-9AE8-C05E79384D81}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ClassLibrary1", "ClassLibrary1\ClassLibrary1.csproj", "{6C183BC1-BB1D-4E99-A82F-F13CD1E97A5A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{FFE5B6BE-B58A-4222-AB80-D390F19BFB09}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FFE5B6BE-B58A-4222-AB80-D390F19BFB09}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FFE5B6BE-B58A-4222-AB80-D390F19BFB09}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FFE5B6BE-B58A-4222-AB80-D390F19BFB09}.Release|Any CPU.Build.0 = Release|Any CPU
+		{950036A2-E67D-4E29-9AE8-C05E79384D81}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{950036A2-E67D-4E29-9AE8-C05E79384D81}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{950036A2-E67D-4E29-9AE8-C05E79384D81}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{950036A2-E67D-4E29-9AE8-C05E79384D81}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6C183BC1-BB1D-4E99-A82F-F13CD1E97A5A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6C183BC1-BB1D-4E99-A82F-F13CD1E97A5A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6C183BC1-BB1D-4E99-A82F-F13CD1E97A5A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6C183BC1-BB1D-4E99-A82F-F13CD1E97A5A}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {B52264D0-E67C-407E-9F34-228E8929C5BB}
+	EndGlobalSection
+EndGlobal

JakubJares/C# ecosystem intro/MySolution/TestProject1/TestProject1.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+    <PackageReference Include="xunit" Version="2.4.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
+    <PackageReference Include="coverlet.collector" Version="1.2.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ClassLibrary1\ClassLibrary1.csproj" />
+  </ItemGroup>
+
+</Project>

JakubJares/C# ecosystem intro/MySolution/TestProject1/UnitTest1.cs

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+using ClassLibrary1;
+using System;
+using Xunit;
+
+namespace TestProject1
+{
+    public class UnitTest1
+    {
+        [Fact]
+        public void AddingTwoEmojisAddsThemToASingleEmojiObject()
+        {
+            // -- arrange
+            var math = new EmojiMath();
+            var avocado = new Emoji { Name = "avocado", Glyph = "🥑", };
+            var unicorn = new Emoji { Name = "unicorn", Glyph = "🦄" };
+
+            var expected = new Emoji { Name = "avocado+unicorn", Glyph = "🥑🦄" };
+
+            // -- act
+            var actual = math.Add(avocado, unicorn);
+
+            // -- assert 
+            Assert.Equal(expected.Name, actual.Name);
+            Assert.Equal(expected.Glyph, actual.Glyph);
+        }
+    }
+}

JakubJares/Make your scripts faster with Profiler/code/demo1/Avocado.psm1

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+function Get-Avocado {
+    Get-EmojiInternal -Emoji avocado
+}
+
+function Get-Unicorn {
+    Get-EmojiInternal -Emoji unicorn
+}
+
+Export-ModuleMember -Function Get-Avocado, Get-Unicorn
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+function  Get-EmojiInternal ($Emoji) {
+    $ProgressPreference = 'SilentlyContinue'
+
+    $uri = "https://emojipedia.org/$($Emoji.ToLowerInvariant())/"
+    $r = Invoke-WebRequest -Method GET -Uri $uri -UseBasicParsing
+    if (200 -ne $r.StatusCode) { 
+        throw "Error"
+    }
+
+    $match = $r.Content.ToString() -split "`n" | Select-String '<h1><span\s+class="emoji">(.*)</span>'
+    $emoji = $match.Matches.Groups[-1].Value
+    $emoji * 50
+}

JakubJares/Make your scripts faster with Profiler/code/demo1/Get-Icons.ps1

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+Import-Module $PSScriptRoot\Avocado.psm1 -Force
+
+function Get-Icons () { 
+    Get-Avocado
+    Get-Unicorn
+}
+
+Get-Icons

JakubJares/Make your scripts faster with Profiler/code/demo1/Trace.ps1

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+Import-Module Profiler
+
+$trace =  Trace-Script -ScriptBlock { 
+    & "$PSScriptRoot/Get-Icons.ps1"
+} -ExportPath emojis.speedscope.json
+
+$trace.Top50SelfDuration |
+    Select-Object -First 5 |
+    Format-Table SelfPercent, SelfDuration, HitCount, File, Line, Module, Function, Text 

JakubJares/Make your scripts faster with Profiler/code/demo2/.gitignore

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+*.speedscope.json

JakubJares/Make your scripts faster with Profiler/code/demo2/Get-UserData-no-annotations.ps1

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+function Get-UserData {
+    param (
+        [Parameter(Mandatory)]
+        $Path
+    )
+
+    $users = Get-Content -Path $Path -Encoding UTF8 | ConvertFrom-Json
+
+    $users | Foreach-Object {
+        $user = $_
+
+        $completeUser = [PSCustomObject]@{
+            Name      = $_.name
+            Age       = $_.age
+            Languages = @{}
+        }
+
+        $user.languages | ForEach-Object { 
+            $language = $_            
+            $languageDescription = $null
+            $languagePath = Join-Path $PSScriptRoot "$language.json"
+            $languageDescription = (Get-Content -Path $languagePath | ConvertFrom-Json).description
+            $completeUser.Languages[$language] = $languageDescription
+        }
+
+        $completeUser.Languages = [PSCustomObject]$completeUser.Languages
+
+        Write-Log -Message "Processed user $($_.name)" -Level "Verbose"
+
+        $completeUser
+    }
+}
+
+$script:LogLevel = "Error"
+
+function Set-LogLevel { 
+    param(
+        [Parameter(Mandatory)]
+        $Level
+    )
+    $script:LogLevel = $Level
+    $script:IsVerboseEnabled = (Get-LogLevelNumber $Level) -le (Get-LogLevelNumber "Verbose")
+    # etc...
+}
+
+function Get-LogLevelNumber {
+    param(
+        [Parameter(Mandatory)]
+        $Level
+    )
+
+    switch ($Level) {
+        "error" { 1 }
+        "info" { 2 }
+        "verbose" { 3 }
+    }
+}
+
+function Write-Log {
+    param(
+        [Parameter(Mandatory)]
+        $Message,
+        $Level = "Info"
+    )
+
+    if ((Get-LogLevelNumber $Level) -le (Get-LogLevelNumber $script:LogLevel)) { 
+        Write-Host $Message
+    }
+}