Ready to go!

.gitignore

@@ -0,0 +1,140 @@
+# Created by https://www.toptal.com/developers/gitignore/api/macos,xcode,swift,swiftpackagemanager
+# Edit at https://www.toptal.com/developers/gitignore?templates=macos,xcode,swift,swiftpackagemanager
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### macOS Patch ###
+# iCloud generated files
+*.icloud
+
+### Swift ###
+# Xcode
+#
+# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
+
+## User settings
+xcuserdata/
+
+## compatibility with Xcode 8 and earlier (ignoring not required starting Xcode 9)
+*.xcscmblueprint
+*.xccheckout
+
+## compatibility with Xcode 3 and earlier (ignoring not required starting Xcode 4)
+build/
+DerivedData/
+*.moved-aside
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+
+## Obj-C/Swift specific
+*.hmap
+
+## App packaging
+*.ipa
+*.dSYM.zip
+*.dSYM
+
+## Playgrounds
+timeline.xctimeline
+playground.xcworkspace
+
+# Swift Package Manager
+# Add this line if you want to avoid checking in source code from Swift Package Manager dependencies.
+# Packages/
+# Package.pins
+# Package.resolved
+# *.xcodeproj
+# Xcode automatically generates this directory with a .xcworkspacedata file and xcuserdata
+# hence it is not needed unless you have added a package configuration file to your project
+# .swiftpm
+
+.build/
+
+# CocoaPods
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
+# Pods/
+# Add this line if you want to avoid checking in source code from the Xcode workspace
+# *.xcworkspace
+
+# Carthage
+# Add this line if you want to avoid checking in source code from Carthage dependencies.
+# Carthage/Checkouts
+
+Carthage/Build/
+
+# Accio dependency management
+Dependencies/
+.accio/
+
+# fastlane
+# It is recommended to not store the screenshots in the git repo.
+# Instead, use fastlane to re-generate the screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/#source-control
+
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots/**/*.png
+fastlane/test_output
+
+# Code Injection
+# After new code Injection tools there's a generated folder /iOSInjectionProject
+# https://github.com/johnno1962/injectionforxcode
+
+iOSInjectionProject/
+
+### SwiftPackageManager ###
+Packages
+xcuserdata
+*.xcodeproj
+
+
+### Xcode ###
+
+## Xcode 8 and earlier
+
+### Xcode Patch ###
+*.xcodeproj/*
+!*.xcodeproj/project.pbxproj
+!*.xcodeproj/xcshareddata/
+!*.xcodeproj/project.xcworkspace/
+!*.xcworkspace/contents.xcworkspacedata
+/*.gcno
+**/xcshareddata/WorkspaceSettings.xcsettings
+
+# End of https://www.toptal.com/developers/gitignore/api/macos,xcode,swift,swiftpackagemanager

DebuggingAndProfiling.xcodeproj/project.pbxproj

@@ -14,6 +14,10 @@
 		E427DB7C2ACCFAE1000C6F53 /* DebuggingAndProfilingTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = E427DB7B2ACCFAE1000C6F53 /* DebuggingAndProfilingTests.swift */; };
 		E427DB862ACCFAE1000C6F53 /* DebuggingAndProfilingUITests.swift in Sources */ = {isa = PBXBuildFile; fileRef = E427DB852ACCFAE1000C6F53 /* DebuggingAndProfilingUITests.swift */; };
 		E427DB882ACCFAE1000C6F53 /* DebuggingAndProfilingUITestsLaunchTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = E427DB872ACCFAE1000C6F53 /* DebuggingAndProfilingUITestsLaunchTests.swift */; };
+		E427DB952ACD02BB000C6F53 /* StressTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = E427DB942ACD02BB000C6F53 /* StressTest.swift */; };
+		E427DB972ACD02CE000C6F53 /* OccassionalUpdate.swift in Sources */ = {isa = PBXBuildFile; fileRef = E427DB962ACD02CE000C6F53 /* OccassionalUpdate.swift */; };
+		E427DB992ACD14F0000C6F53 /* DebugThisCode.swift in Sources */ = {isa = PBXBuildFile; fileRef = E427DB982ACD14F0000C6F53 /* DebugThisCode.swift */; };
+		E427DB9B2ACD296C000C6F53 /* .gitignore in Resources */ = {isa = PBXBuildFile; fileRef = E427DB9A2ACD296C000C6F53 /* .gitignore */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -44,6 +48,10 @@
 		E427DB812ACCFAE1000C6F53 /* DebuggingAndProfilingUITests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = DebuggingAndProfilingUITests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		E427DB852ACCFAE1000C6F53 /* DebuggingAndProfilingUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DebuggingAndProfilingUITests.swift; sourceTree = "<group>"; };
 		E427DB872ACCFAE1000C6F53 /* DebuggingAndProfilingUITestsLaunchTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DebuggingAndProfilingUITestsLaunchTests.swift; sourceTree = "<group>"; };
+		E427DB942ACD02BB000C6F53 /* StressTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StressTest.swift; sourceTree = "<group>"; };
+		E427DB962ACD02CE000C6F53 /* OccassionalUpdate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OccassionalUpdate.swift; sourceTree = "<group>"; };
+		E427DB982ACD14F0000C6F53 /* DebugThisCode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DebugThisCode.swift; sourceTree = "<group>"; };
+		E427DB9A2ACD296C000C6F53 /* .gitignore */ = {isa = PBXFileReference; lastKnownFileType = text; path = .gitignore; sourceTree = SOURCE_ROOT; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -74,6 +82,7 @@
 		E427DB5E2ACCFADD000C6F53 = {
 			isa = PBXGroup;
 			children = (
+				E427DB9A2ACD296C000C6F53 /* .gitignore */,
 				E427DB692ACCFADD000C6F53 /* DebuggingAndProfiling */,
 				E427DB7A2ACCFAE1000C6F53 /* DebuggingAndProfilingTests */,
 				E427DB842ACCFAE1000C6F53 /* DebuggingAndProfilingUITests */,
@@ -96,6 +105,9 @@
 			children = (
 				E427DB6A2ACCFADD000C6F53 /* DebuggingAndProfilingApp.swift */,
 				E427DB6C2ACCFADD000C6F53 /* ContentView.swift */,
+				E427DB942ACD02BB000C6F53 /* StressTest.swift */,
+				E427DB962ACD02CE000C6F53 /* OccassionalUpdate.swift */,
+				E427DB982ACD14F0000C6F53 /* DebugThisCode.swift */,
 				E427DB6E2ACCFAE0000C6F53 /* Assets.xcassets */,
 				E427DB702ACCFAE0000C6F53 /* Preview Content */,
 			);
@@ -232,6 +244,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				E427DB722ACCFAE0000C6F53 /* Preview Assets.xcassets in Resources */,
+				E427DB9B2ACD296C000C6F53 /* .gitignore in Resources */,
 				E427DB6F2ACCFAE0000C6F53 /* Assets.xcassets in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -257,7 +270,10 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				E427DB972ACD02CE000C6F53 /* OccassionalUpdate.swift in Sources */,
 				E427DB6D2ACCFADD000C6F53 /* ContentView.swift in Sources */,
+				E427DB952ACD02BB000C6F53 /* StressTest.swift in Sources */,
+				E427DB992ACD14F0000C6F53 /* DebugThisCode.swift in Sources */,
 				E427DB6B2ACCFADD000C6F53 /* DebuggingAndProfilingApp.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;

DebuggingAndProfiling/ContentView.swift

@@ -9,11 +9,22 @@ import SwiftUI
 
 struct ContentView: View {
     var body: some View {
-        VStack {
-            Image(systemName: "globe")
-                .imageScale(.large)
-                .foregroundColor(.accentColor)
-            Text("Hello, world!")
+        TabView {
+            OccassionalUpdate()
+                .tabItem {
+                    Image(systemName: "smiley")
+                    Text("OccassionalUpdate")
+                }
+            StressTest()
+                .tabItem {
+                    Image(systemName: "exclamationmark.arrow.triangle.2.circlepath")
+                    Text("StressTest")
+                }
+            DebugThisCode()
+                .tabItem {
+                    Image(systemName: "ant")
+                    Text("DebugThisCode")
+                }
         }
         .padding()
     }

DebuggingAndProfiling/DebugThisCode.swift

@@ -0,0 +1,70 @@
+//
+//  DebugThisCode.swift
+//  DebuggingAndProfiling
+//
+//  Created by Mike Panitz on 10/3/23.
+//
+
+import SwiftUI
+
+struct DebugThisCode: View {
+    @State var fahrenheitTemp = ""
+    @State var celsiusTemp = ""
+    var body: some View {
+        VStack {
+            Text("Fahrenheit to Celsius")
+                .font(.largeTitle)
+            Spacer()
+            VStack {
+                Text("Fahrenheit:")
+                TextField("Temperature in Fahrenheit", text: $fahrenheitTemp)
+                Button(action: {
+                    print("Fah changed to \(fahrenheitTemp)")
+                    if let fah = Double(fahrenheitTemp) {
+                       print("Value is \(fah)")
+                        var cel = (fah + 32) * 5 / 9
+                        celsiusTemp = String(cel)
+                   } else {
+                       print("Not a valid number")
+                   }
+                }) {
+                    Text("Convert to Celsius")
+                        .font(.headline)
+                        .foregroundColor(.white)
+                        .padding()
+                        .background(Color.blue)
+                        .cornerRadius(10)
+                }
+            }.padding(.bottom)
+
+            VStack {
+                Text("Celsius:")
+                TextField("Temperature in Celsius", text: $celsiusTemp)
+                Button(action: {
+                    if let cel = Double(celsiusTemp) {
+                        var fah = (cel * 5 / 9 ) + 32
+                        fahrenheitTemp = String(fah)
+                   } else {
+                       print("Not a valid number")
+                   }
+                }) {
+                    Text("Convert to Fahrenheit")
+                        .font(.headline)
+                        .foregroundColor(.white)
+                        .padding()
+                        .background(Color.blue)
+                        .cornerRadius(10)
+                }
+
+            }.padding(.top)
+            Spacer()
+        }
+        .padding()
+    }
+}
+
+struct DebugThisCode_Previews: PreviewProvider {
+    static var previews: some View {
+        DebugThisCode()
+    }
+}

DebuggingAndProfiling/OccassionalUpdate.swift

@@ -0,0 +1,51 @@
+//
+//  OccassionalUpdate.swift
+//  DebuggingAndProfiling
+//
+//  Created by Mike Panitz on 10/3/23.
+//
+
+import SwiftUI
+
+func TheSlowFunction() {
+    var changeThisVar = 0
+    for _ in 0 ... 100000 {
+        for j in 0 ... 100000 {
+            changeThisVar = j
+            print(j)
+        }
+    }
+}
+
+func CallTheSlowFunction() {
+    print("About to call the slow function")
+    TheSlowFunction()
+    print("Done with the slow function")
+}
+
+struct OccassionalUpdate: View {
+    var body: some View {
+        VStack {
+            Text(/*@START_MENU_TOKEN@*/"Hello, World!"/*@END_MENU_TOKEN@*/)
+            Button(action: {
+                // Code to be executed when the button is tapped
+                print("Button tapped! Message printed to debug console.")
+                CallTheSlowFunction()
+            }) {
+                Text("Tap Me!")
+                    .font(.headline)
+                    .foregroundColor(.white)
+                    .padding()
+                    .background(Color.blue)
+                    .cornerRadius(10)
+            }
+        }
+    }
+}
+
+struct OccassionalUpdate_Previews: PreviewProvider {
+    static var previews: some View {
+        OccassionalUpdate()
+    }
+}
+

DebuggingAndProfiling/StressTest.swift

@@ -0,0 +1,43 @@
+
+//
+//  ContentView.swift
+//  DebuggingAndProfiling
+//
+//  Created by Mike Panitz on 10/3/23.
+//
+
+import SwiftUI
+
+class FrequentUpdater: ObservableObject {
+    var timer: Timer?
+
+    init() {
+        timer = Timer.scheduledTimer(
+            withTimeInterval: 0.01,
+            repeats: true
+        ) { _ in
+            self.objectWillChange.send()
+        }
+    }
+}
+
+struct StressTest: View {
+    @StateObject private var updater = FrequentUpdater()
+    @State private var tapCount = 0
+
+    var body: some View {
+        VStack {
+            Text("\(UUID().uuidString)")
+
+            Button("Tap count: \(tapCount)") {
+                tapCount += 1
+            }
+        }
+    }
+}
+
+struct StressTest_Previews: PreviewProvider {
+    static var previews: some View {
+        StressTest()
+    }
+}