Tricky C# and SQL Interview Questions for mid-to-senior level Positions A few readers have left private comments asking me what kinds of interview questions I’ve asked potential candidates. Personally, I have a lot more fun with mid-to-senior level positions as… Continue Reading
C# CSV File Writer Here is a C# CSV File Writer class you can use in all your projects. It provides basic functionality for writing data to CSV files and/or Datatables and/or DataRows. Sample usage provided in the class level… Continue Reading
C#: Fastest Way to TRIM strings This will benchmark various techniques to determine in C# .Net: Fastest way to TRIM strings. Removing all the whitespace at the beginning and/or end of a string. Every programmer at some point needs to… Continue Reading
C#: Is It Faster to Preallocate Dictionary Sizes? This test will benchmark populating C# Dictionary and ConcurrentDictionary objects to determine in C#: is it faster to preallocate dictionary sizes? Or not? When a Dictionary object is created, its initial capacity… Continue Reading
Fastest Way to Compare Strings in C# .Net What is the fastest way to compare strings in C# .Net? Everyone’s had to do it. A lot of people instinctively use the C# “==” operator. In several programming forums I’ve posted… Continue Reading
Fastest Collection for String Lookups in C# .Net All C# programmers have had to do this at some point in their career… look for a particular string as some sort of key or value within a data structure. But how… Continue Reading
Faster to Trim during or after assignment in C# .Net Does it make a difference if you Trim() during or after assigning a value to a variable in C# .Net? Which was is faster? Which object, String or StringBuilder, is… Continue Reading
C#.Net: The Fastest Way to count substring occurrences in a string This will examine many techniques to determine in C# .Net: the Fastest Way to count substring occurrences in a string. Background: This test stemmed from a project where… Continue Reading
C# .Net: Fastest Way to clear Collections In this article I’ll investigate different ways to clear out commonly used Collections such as Hashsets, Dictionaries, ConcurrentDictionaries, ArrayLists, and Arrays, benchmarking the results. This will determine in C# .Net: Fastest way to… Continue Reading
The Fastest Way to count the number of times a character occurs in a string using C# .Net: This test stemmed from my other test on the fastest way to count the number of times a string occurs within another… Continue Reading