Developers often use string.Substring() to extract a string portion. However, using string.AsSpan() instead can enhance performance significantly. Benchmarks show that AsSpan() is 44.6 times faster than Substring(), with zero allocations. To enforce AsSpan() usage, configure EditorConfig with dotnet_diagnostic.CA1836.severity = warning.
String Performance Microsoft .NET: Retrieving a Substring
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Older messages
Collection Performance in Microsoft .NET: Adding Items To a Dictionary
Friday, January 19, 2024
dotNetDave posted: " When incorporating items into a Dictionary, the prevalent approach in the code I review involves using the Add() method, as illustrated below: var collection = new Dictionary
Collection Performance: The Fastest Way To Iterate Over a Collection in .NET!
Wednesday, January 17, 2024
dotNetDave posted: " Subscriber Content Starting with .NET 5, a new method for iterating over collections was introduced: CollectionsMarshal.AsSpan<T>. The CollectionsMarshal.AsSpan method
Rockin’ the Code World Season 4: Special Guest Leslie Richardson
Thursday, January 4, 2024
dotNetDave posted: " I hope you will join me on Saturday, January 13th, 2024, at 10:00 PST on C# Corner TV for show #94! My very special guest will be Leslie Richardson, Senior Product Manager at
Rockin’ the Code World Season 4: Special Guest Brady Gaster
Wednesday, January 3, 2024
dotNetDave posted: " I hope you will join me on Saturday, January 20th, 2024, at 10:00 PST on C# Corner TV for show #95! My very special guest will be Brady Gaster, Principal Product Manager at
Modernizing Microsoft Office: A Call for Innovation in Word
Tuesday, January 2, 2024
dotNetDave posted: " In December 2023, I finalized the 8th edition of my book, "Rock Your Code: Coding Standards for Microsoft .NET," spanning an impressive 560 pages. Regrettably, the
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