From c25c30a18212d66d729fcaa716d901b29d0738f4 Mon Sep 17 00:00:00 2001
From: Ivan Peshterski <peshterskiivan@gmail.com>
Date: Sun, 8 Mar 2026 23:06:23 +0200
Subject: [PATCH 1/2] Improve sample: safer argument parsing and clearer delay

---
 docs/core/docker/snippets/App/Program.cs | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/docs/core/docker/snippets/App/Program.cs b/docs/core/docker/snippets/App/Program.cs
index 82e9ce0b61b99..58cf2ea5e871f 100644
--- a/docs/core/docker/snippets/App/Program.cs
+++ b/docs/core/docker/snippets/App/Program.cs
@@ -1,9 +1,16 @@
 var counter = 0;
-var max = args.Length is not 0 ? Convert.ToInt32(args[0]) : -1;
 
-while (max is -1 || counter < max)
+// If a number is passed as a command-line argument,
+// it will be used as the maximum counter value.
+var max = args.Length > 0 && int.TryParse(args[0], out var parsedMax)
+    ? parsedMax
+    : -1;
+
+// Run indefinitely if no max value is provided
+while (max == -1 || counter < max)
 {
     Console.WriteLine($"Counter: {++counter}");
 
-    await Task.Delay(TimeSpan.FromMilliseconds(1_000));
+    // Wait for one second between iterations
+    await Task.Delay(TimeSpan.FromSeconds(1));
 }

From 897f1d1e66cf456b8d236cc959348a3d4ff0e1a7 Mon Sep 17 00:00:00 2001
From: Ivan Pehsterski <peshterskiivan@gmail.com>
Date: Wed, 6 May 2026 00:28:32 +0300
Subject: [PATCH 2/2] add: fancy example of foreach loop

Instead of writting 3 lines of code, you can write in one in order to improve the readability of the code.
---
 .../tour-of-csharp/tutorials/snippets/ListCollection/list.cs  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/csharp/tour-of-csharp/tutorials/snippets/ListCollection/list.cs b/docs/csharp/tour-of-csharp/tutorials/snippets/ListCollection/list.cs
index c898bbf5fa803..21a840b450d2a 100644
--- a/docs/csharp/tour-of-csharp/tutorials/snippets/ListCollection/list.cs
+++ b/docs/csharp/tour-of-csharp/tutorials/snippets/ListCollection/list.cs
@@ -4,6 +4,8 @@
 {
     Console.WriteLine($"Hello {name.ToUpper()}!");
 }
+// Fancy example
+names.ForEach(name => Console.WriteLine("Hello {0}", name));
 // </BasicList>
 
 // <ModifyList>
@@ -91,4 +93,4 @@ void ChallengeAnswer()
         Console.WriteLine(item);
     }
     // </Answer>
-}
+}
\ No newline at end of file