How To
How to add .gitignore in Visual Studio
By Tan Lee Published on Mar 06, 2025 156
Adding a .gitignore file to your Git repository is crucial. It specifies which files Git should ignore in your source directory, preventing unnecessary files like build output files from being pushed to the repository.
How to set multiple startup projects in Visual Studio
By Tan Lee Published on Mar 06, 2025 140
Since Visual Studio 2019, you can configure multiple startup projects within the solution properties.
How to Deserialize JSON as a stream in C#
By Tan Lee Published on Mar 06, 2025 179
To deserialize JSON as a stream in C#, you can use either System.Text.Json or Newtonsoft.Json.
How to use JsonNode in C#
By Tan Lee Published on Mar 06, 2025 193
When you want to handle JSON without creating specific classes for (de)serialization, JsonNode offers a flexible alternative.
TimeZoneInfo with current UTC offset in C#
By Tan Lee Published on Mar 06, 2025 161
TimeZoneInfo provides the base UTC offset, which can lead to confusion since the offset may vary depending on the date due to daylight saving time.
How to Parser a CSV file in C#
By Tan Lee Published on Mar 06, 2025 137
Parsing a CSV file in C# can be done in a few different ways depending on your needs.
How to read configuration from appsettings.json in C#
By Tan Lee Published on Mar 06, 2025 299
The appsettings.json file is an efficient way to store and retrieve your application's configuration. It's a JSON file, which makes it much easier to work with than the older XML-based app.config used in earlier versions of .NET.
How to deconstruct an object in C#
By Tan Lee Published on Mar 06, 2025 68
Deconstructing an object means assigning its properties to several variables in a single line of code using deconstruction assignment syntax (also known as destructuring or unpacking).
Handling CSV Files Without a Header Row Using CsvHelper
By Tan Lee Published on Mar 06, 2025 112
When working with CSV files that lack a header row, CsvHelper requires configuration to map data by field position rather than by header name. In this guide, I will show you how to set it up properly, as well as an alternative manual parsing approach for such cases.
CSVHelper: Header with name not found
By Tan Lee Published on Mar 06, 2025 137
When your CSV file’s header names do not match the property names in your class, CsvHelper will throw an error.
How to Convert a Comma-Separated String into a List of Integers in C#
By Tan Lee Published on Mar 06, 2025 166
Let’s consider a scenario where you have a comma-separated string of numbers, such as "5,10,15", and you want to convert it into a list of integers, like [5, 10, 15].
How to send synchronous requests with HttpClient in C#
By Tan Lee Published on Mar 06, 2025 122
In .NET 5 and above, the HttpClient Sync API methods Send() and ReadAsStream() provide a way to send HTTP requests synchronously, allowing you to avoid the complexities of async code (like sync-over-async)
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