Starting with Chrome 137, CSS introduces the inline conditional function if(), allowing developers to embed conditional logic directly in style rules, reducing reliance on @media and @supports and making styles more concise, direct, and flexible.
This article explains Python's if statement syntax, including elif and else branches, and provides ten practical code examples that demonstrate basic condition checks, multi‑condition logic, membership tests, error handling, and dynamic condition building for developers of all levels.
This article presents ten practical MyBatis dynamic‑SQL techniques—including foreach, if, choose, selectKey, trim, and sql fragments—explaining their attributes, common pitfalls, and providing complete Java mapper and XML examples that help reduce boilerplate and avoid errors.
This article provides a comprehensive guide to MyBatis dynamic SQL tags—including foreach, if, choose, trim, and selectKey—showing how to configure XML, handle collections, build flexible queries, and avoid common pitfalls when generating SQL statements.
This article explains Python's conditional statements, covering the syntax and usage of single‑branch if, two‑branch if‑else, multi‑branch if‑elif‑else structures, the pass keyword, ternary expressions, nesting rules, and best‑practice tips for writing clear and efficient control‑flow code.
This article introduces shell script conditional structures, explains the syntax of if (single, double, and multi-branch) and case statements, and provides step‑by‑step examples including a grading script and a start/stop/restart command script with full Bash code.
This article explains how MySQL's CASE WHEN, IF, and IFNULL functions can be used to implement conditional logic in SQL queries, providing syntax, examples, and combinations with aggregate functions for common data‑analysis scenarios.
This guide explains Linux shell's flow‑control constructs—including conditional if/elif/else, loops (for, while, until), and selection statements (case, select) —by detailing their syntax, usage rules, and providing complete script examples that demonstrate each construct in action.
