Explores the new JSON data type and JSON Index in SQL Server 2025, focusing on their compatibility and limitations with Columnstore Indexes and Batch Execution Mode.
Exploring the concept of a 'Maybe' data type in ColdFusion to handle values that may or may not exist, improving code readability.
Explains JavaScript's dynamic typing and demonstrates type conversion through coercion and casting with practical examples.
A guide to PHP's data types, including integers, strings, arrays, and objects, with examples and explanations of loose typing.
Explains the importance of factors in R for data analysis, covering when and how to convert strings to factors to avoid errors.
Explores a bug in R's survey package when using strings vs. factors in grouped analysis, highlighting data type pitfalls.
A detailed guide to the Bool data type in Swift, covering its creation, logical operators, and usage in conditional statements.
A developer shares a mental model of JavaScript fundamentals, explaining core concepts like values, types, and equality in a glossary format.
Explains common pitfalls when handling monetary values in JavaScript and introduces best practices and patterns for accurate financial calculations.
An introduction to fundamental data types, variables, memory addresses, and pointers in the C programming language.
Explains how data is represented as objects in CPython, covering types, identity, binding, and mutability.
Explains the JavaScript typeof operator, focusing on confusing results like typeof null returning 'object' and typeof NaN returning 'number'.
An overview of generic CSS data types like <length>, <color>, and <url>, explaining their use across different CSS properties.
Analyzes the historical and technical reasons behind R's controversial 'stringsAsFactors' default, explaining its origins and the problems it causes.
Explains how to use the Array datatype in PostgreSQL for storing and querying data like tags or purchase items, with practical examples.
Explains why SQL CAST to VARCHAR without specifying a length can cause errors or truncation, and advises always defining the size.
