.NET Fiddle Newsletter
Eric PopivkerInteractive fiddles to learn the latest .NET Skills
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 32 | Founded | 6 years ago | Last Issue | 6 days ago |
| Active | |||||
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dotnetfiddle.substack.comLatest Issues
Records Have Family Drama Too: Open vs Sealed Inheritance
Records can inherit from other records - and most devs never touch that button. Turns out record inheritance gets weird fast, especially around equality.
A record’s Equals doesn’t just compare properties - it also checks the runtime type....
SelectMany: The LINQ Trick That Ends Your Nested Foreach Loop Era
Nested foreach loops called. They want a divorce.
SelectMany flattens nested collections into one sequence with a single LINQ call. No temporary lists, no index juggling. orders.SelectMany(o => o.Items) hands you every item across every or...
nameof: The Operator That Never Forgets a Rename
Ever renamed a variable and forgot to update the error message that mentioned it by name? Compiler didn’t care. Users got a lie.
nameof is a C# operator that returns the string name of a variable, type, or member, resolved at compile time....
GC.GetTotalMemory: The Cheapest Profiler You Already Have
Ever wonder how much garbage your code leaves behind before the GC quietly hauls it away? There’s a method that tells you, and it’s been sitting in .NET since version 1.0.
GC.GetTotalMemory(bool forceFullCollection) returns roughly how man...
FileSystemWatcher: The Native File Spy You Didn't Know You Had
Your app can watch a file like a nosy neighbor peeking through blinds - no polling loop required.
FileSystemWatcher is a built-in .NET class that monitors a folder and fires events when files get created, changed, renamed, or deleted. No n...
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