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Tag Archives: LINQ
Add LINQ to autocomplete in C#
This example adds LINQ to the example Improve autocomplete suggestion in C#. It adds LINQ in two places: when it loads the list of words and when the program searches for the best matches that begin with a particular letter. … Continue reading
Improve autocomplete suggestion in C#
This example improves on the example Suggest autocomplete words in C#. The previous example loads all of its words into a big array. Then, to find the words that start with a particular letter, the program uses a binary search … Continue reading
Suggest autocomplete words in C#
This example shows one way that a program can suggest words for the user. When I type something on my phone, it displays a list of possible words for autocomplete below the editing area. For example, if I type “gping” … Continue reading
Use PLINQ to select prime numbers from an array in C#
The example Use PLINQ to select even numbers from an array in C# uses PLINQ (Parallel LINQ) to find the even numbers in an array of random values. This example uses a similar technique to do something slightly more interesting: … Continue reading
Use PLINQ to select even numbers from an array in C#
This example is really a demonstration of PLINQ, since you probably won’t need to use this technique to find even numbers. (If you do need to generate even numbers, it’s a lot faster and easier to simply pick random numbers … Continue reading
Posted in LINQ, performance
Tagged C#, C# programming, even numbers, example, example program, LINQ, Parallel LINQ, performance, PLINQ, select even numbers, Windows Forms programming
3 Comments
Use LINQ with an embedded lambda expression to find prime numbers in C# (Part 3 of 3)
The example Use more efficient LINQ to find prime numbers in C# (Part 2 of 3) uses a LINQ query to find prime numbers. It creates a delegate variable named IsOddPrime referring to a lambda expression and uses it to … Continue reading
Posted in algorithms, LINQ, mathematics
Tagged algorithms, C#, C# programming, example, example program, find prime numbers, lambda expression, LINQ, mathematics, prime numbers, Windows Forms programming
4 Comments
Use more efficient LINQ to find prime numbers in C# (Part 2 of 3)
The previous post showed how you can use LINQ to find prime numbers. For every number between 1 and a maximum, the LINQ query called the IsPrime method to see if the number should be part of the selection. That … Continue reading
Posted in algorithms, LINQ, mathematics
Tagged algorithms, C#, C# programming, example, example program, find prime numbers, lambda expression, LINQ, mathematics, prime numbers, Windows Forms programming
1 Comment
Use LINQ to find prime numbers in C# (Part 1 of 3)
This example uses LINQ to find prime numbers between 1 and a maximum value that you enter. It defines the following IsPrime method to determine whether a number is prime. // Return true if the number is prime. private bool … Continue reading
Posted in algorithms, LINQ, mathematics
Tagged algorithms, C#, C# programming, example, example program, find prime numbers, LINQ, mathematics, prime numbers, Windows Forms programming
1 Comment
Use LINQ to select words of certain lengths from a file in C#
This example uses LINQ to read a file, remove unwanted characters, select words of a specified length, and save the result in a new file. Recently I needed a big word list so I searched around for public domain dictionaries. … Continue reading
Posted in algorithms, files, LINQ
Tagged algorithms, C#, C# programming, dictionary, example, example program, files, LINQ, select words, Windows Forms programming, word list, WriteAllLines
2 Comments