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Great Reads

Proper List Support in C#

by honey the codewitch

Implementing full list support over custom data structures in .NET

Maths in IT #2: Venn diagrams

by Sander Rossel

Using Venn diagrams to visualize sets.

LookAheadEnumerator: Implement Backtracking in Your Parsers

by honey the codewitch

Easily implement efficient backtracking capabilities over any enumeration

How to Create a WCF WebService in VB.NET

by Rene Bustos

WCF WebService IN VB.NET Response JSON

Latest Articles

B-Tree Sorted Dictionary

by Gerardo Recinto

In-memory B-Tree sorted dictionary

Batch Processing with Directory.EnumerateFiles

by Bohdan Stupak

Batching is a nice technique that allows you to handle big amounts of data gracefully. Directory.EnumerateFiles is the API that allows you to organize batch processing for the directory with a large number of files.

Iterator Benchmarks that Shocked with Unexpected Results

by Dev Leader

This article is follow up content to previous articles I've written about iterators and collections, but the benchmark results were NOT what I expected!

A Generic Form of the NameValueCollection

by Pavel Bashkardin

Represents a C# generic implementation of the NameValueCollection

All Articles

Collections

A Complete Sample of Custom Class Collection Serialization and Deserialization

19 Jun 2014 by Maciej Los

If you want to know the way you can serialize and deserialize custom class collection, this tip is for you.

deserialization

A Generic Circular Buffer in C#

6 Feb 2020 by honey the codewitch

A circular buffer implementing IList

A Generic OrderedDictionary in C#

20 Nov 2019 by honey the codewitch

A fully generic ordered dictionary class in C#

A simple generic TreeList

18 Aug 2010 by B. Verboven

Convert a generic list of (recursive) objects into a simple hierarchical TreeList

A simple generic TreeList

18 Mar 2012 by B. Verboven

This is an alternative for "A simple generic TreeList".

An Observable Generic Tree Collection

11 Nov 2015 by Yuriy Magurdumov

Simple generic data structure to maintain hierarchical objects

Batch Processing with Directory.EnumerateFiles

12 Aug 2023 by Bohdan Stupak

Batching is a nice technique that allows you to handle big amounts of data gracefully. Directory.EnumerateFiles is the API that allows you to organize batch processing for the directory with a large number of files.

Bee: A Suite of Self-Balancing Binary Tree Based Dictionaries

13 Sep 2019 by honey the codewitch

A B-tree, an AVL tree, and a Splay tree in C#

C++ & STL: Reading a text file into a collection with little code

12 Apr 2011 by CalicoSkies

How to use istream_iterator and the copy algorithm to populate an STL collection from a text file with very little code

Changing values in a Dictionary class

6 May 2010 by Gordon Kushner

If you try to enumerate through a Dictionary's key collection and attempt to change the values as in the code below, Dictionary _items = new Dictionary();...int i = 0;//Attempt to set the values for this Dictionary item.foreach (string key in...

Convert Datatable to Collection using Generic

12 Jun 2011 by nit_singh

This is an example to Convert from a datatable to a specific type of collection using Generic

Convert Datatable to Collection using Generic

13 Aug 2011 by Vano Maisuradze

Very nice!I've modified ToCollection(this DataTable dt) extension function, so if DataTable column names and class property names are different, then you can use this alternative:public static List ToCollection(this DataTable table, Dictionary dic){ List lst = new...

Convert Datatable to Collection using Generic

16 Aug 2011 by Damian Flynn

Here's a couple of gems...From IList to DataTable.From DataTable to array of T.// DataTable: from IListpublic static DataTable ToDataTable(this IList iList){ DataTable dataTable = new DataTable(); PropertyDescriptorCollection propertyDescriptorCollection = ...

Efficiently Using Lists as Dictionary Keys in C#

24 Feb 2020 by honey the codewitch

A relatively safe, simple, yet high performance technique for using lists as dictionary keys.

How to Get a Collection Element Type Using Reflection in C#

5 May 2020 by honey the codewitch

This tip shows you a robust way to get the type of items a collection can hold. It works with non-generic collections too.

IndexedQueue<T> - A Custom Queue in C#

5 Dec 2019 by honey the codewitch

Fills a gap in Microsoft's Queue offering with an alternative allowing efficient indexed access

Iteration Over Java Collections with High Performance

6 Jul 2018 by vudangngoc

Travelling over Java collections is just a piece of cake, but when the size of the collections increases you have to choose wisely

LookAheadEnumerator: Implement Backtracking in Your Parsers

23 Dec 2019 by honey the codewitch

Easily implement efficient backtracking capabilities over any enumeration

ObservableDictionary!

22 May 2010 by #realJSOP

In WPF/Silverlight, you might want to bind to a dictionary. Here's a couple of websites I found.

Returning read-only collection

4 Jun 2011 by Nick Alexeev

Returning read-only collection

Returning read-only collection

31 May 2011 by Mohammad Mir mostafa

Another good idea is to return the list as enumerable using:return m_privateCollection.AsEnumerable();Now what are the differences?AsReadOnly() creates a completely new collection of list. Depending on the count of items and where the resource is, this may take a long...

SetComparers: A variety of comparers for collections of objects in C#

23 Nov 2021 by honey the codewitch

Easily compare collections for equality

Using Collections as Keys in C#

9 Feb 2020 by honey the codewitch

Using IEqualityComparer to allow collections to be keys in dictionaries and hashsets

WRL Collection Library Ported to Native C++

6 Dec 2015 by Gregory Morse

WRL Collection library ported to native C++