Answer by Alex from Jitbit for Using LINQ to concatenate strings
FWIW I benchmarked string.Join vs .Aggregate on a string array of 15 strings using BDN:MethodMeanErrorStdDevGen0AllocatedString_Join92.99 ns9.905 ns0.543 ns0.0560352 BLING_Aggregate406.00 ns74.662...
View ArticleAnswer by brichins for Using LINQ to concatenate strings
Here is the combined Join/Linq approach I settled on after looking at the other answers and the issues addressed in a similar question (namely that Aggregate and Concatenate fail with 0...
View ArticleAnswer by cdiggins for Using LINQ to concatenate strings
Here it is using pure LINQ as a single expression: static string StringJoin(string sep, IEnumerable<string> strings) { return strings .Skip(1) .Aggregate( new...
View ArticleAnswer by tpower for Using LINQ to concatenate strings
By 'super-cool LINQ way' you might be talking about the way that LINQ makes functional programming a lot more palatable with the use of extension methods. I mean, the syntactic sugar that allows...
View ArticleAnswer by Andy S. for Using LINQ to concatenate strings
I did the following quick and dirty when parsing an IIS log file using linq, it worked @ 1 million lines pretty well (15 seconds), although got an out of memory error when trying 2 millions lines....
View ArticleAnswer by Chris Marisic for Using LINQ to concatenate strings
I'm going to cheat a little and throw out a new answer to this that seems to sum up the best of everything on here instead of sticking it inside of a comment. So you can one line...
View ArticleAnswer by Andiih for Using LINQ to concatenate strings
You can combine LINQ and string.join() quite effectively. Here I am removing an item from a string. There are better ways of doing this too but here it is:filterset = String.Join(",",...
View ArticleAnswer by jonathan.s for Using LINQ to concatenate strings
You can use StringBuilder in Aggregate: List<string> strings = new List<string>() { "one", "two", "three" }; StringBuilder sb = strings .Select(s => s) .Aggregate(new StringBuilder(),...
View ArticleAnswer by user337754 for Using LINQ to concatenate strings
quick performance data for the StringBuilder vs Select & Aggregate case over 3000 elements:Unit test - Duration (seconds)LINQ_StringBuilder - 0.0036644LINQ_Select.Aggregate - 1.8012535...
View ArticleAnswer by Kelly for Using LINQ to concatenate strings
Lots of choices here. You can use LINQ and a StringBuilder so you get the performance too like so:StringBuilder builder = new StringBuilder();List<string> MyList = new List<string>()...
View ArticleAnswer by Patrik Hägne for Using LINQ to concatenate strings
I blogged about this a while ago, what I did seams to be exactly what you're looking for:http://ondevelopment.blogspot.com/2009/02/string-concatenation-made-easy.htmlIn the blog post describe how to...
View ArticleAnswer by Kieran Benton for Using LINQ to concatenate strings
I always use the extension method:public static string JoinAsString<T>(this IEnumerable<T> input, string seperator){ var ar = input.Select(i => i.ToString()); return...
View ArticleAnswer by Amy B for Using LINQ to concatenate strings
return string.Join(", ", strings.ToArray());In .Net 4, there's a new overload for string.Join that accepts IEnumerable<string>. The code would then look like:return string.Join(", ", strings);
View ArticleAnswer by Jorge Ferreira for Using LINQ to concatenate strings
This answer shows usage of LINQ (Aggregate) as requested in the question and is not intended for everyday use. Because this does not use a StringBuilder it will have horrible performance for very long...
View ArticleAnswer by Daniel Earwicker for Using LINQ to concatenate strings
Real example from my code:return selected.Select(query => query.Name).Aggregate((a, b) => a +", "+ b);A query is an object that has a Name property which is a string, and I want the names of all...
View ArticleAnswer by Armin Ronacher for Using LINQ to concatenate strings
Why use Linq?string[] s = {"foo", "bar", "baz"};Console.WriteLine(String.Join(", ", s));That works perfectly and accepts any IEnumerable<string> as far as I remember. No need Aggregate anything...
View ArticleAnswer by Robert S. for Using LINQ to concatenate strings
Have you looked at the Aggregate extension method?var sa = (new[] { "yabba", "dabba", "doo" }).Aggregate((a,b) => a +","+ b);
View ArticleUsing LINQ to concatenate strings
What is the most efficient way to write the old-school:StringBuilder sb = new StringBuilder();if (strings.Count > 0){ foreach (string s in strings) { sb.Append(s +", "); } sb.Remove(sb.Length - 2,...
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