C# Null-Conditional (?.) & Null-Coalescing (??) Operators Explained
C#'s null-conditional and null-coalescing operators handle null values gracefully, resulting in cleaner and more robust code. Each is explained with examples.
Blog · Topic
Programming
10 articles tagged Programming.
2025
2020
Using Config.Net for .NET Application Configurations
Config.Net offers an interface-based way to manage settings in .NET and .NET Core applications with minimal boilerplate. A follow-up to the App.config article.
2019
Cannot process file because of mark of the web error in Visual C# project
A build error caused by the Mark of the Web can block Visual Studio projects. Several fixes are covered, from unblocking files to more obscure solutions.
2018
Sage CRM .NET Templates Visual Studio Extension
A Visual Studio extension speeds up .NET development for Sage CRM, bundling project templates, item templates, and snippets for commonly used components.
Using SQL Server Cursors
SQL Server cursors process data one record at a time, much like a loop in code. A worked example imports companies and their people from a staging table.
Using Reflection to execute assemblies at runtime in C#
Reflection lets a C# application load DLL assemblies at runtime, extract methods from them, and execute those methods without compile-time references.
Creating Custom Configuration Sections in App.config
Custom configuration sections let a .NET app read structured settings from its App.config file. The classes needed to define and read them are demonstrated.
2017
Python Virtual Environments in Visual Studio
Python virtual environments keep project dependencies isolated, and Visual Studio makes them easy to manage. Creating and using them is covered step by step.
Python List and Dictionary Comprehensions
Python comprehensions build lists and dictionaries from existing data or generated sequences in a single readable expression, as these examples show.
2015
App Review: Pythonista
Pythonista brings a full Python editor and runtime to iPad and iPhone. A hands-on review of its code editor, custom keyboard, and other features for coding on the go.