Freaks City

This article presents a set of concise, production-ready utility methods for everyday Java development—focused on string and collection validation, tmiestamp formatting, time arithmetic, and date comparison. Each method avoids common pitfalls such as null pointer exceptions and unnecessary object instantiation. 1. Safely Check for Empty Strings ...

computeIfPresent Method The computeIfPresent method updates a value if the specified key exists. It passes the key and its current value to a function, which computes and returns a new value. import java.util.HashMap; import java.util.Map; public class MapExample1 { public static void main(String[] args) { Map<Integer, String&gt ...

Namespace Requirement Ensure the following directive is included in scripts using these utilities: using UtilityCore; Async Scene Loader Configuration Parameters Parameter Description progressText UI Text component displaying load percentage fillRect RectTransform representing the loading bar fill fullWidth Target screen width repre ...

Dynamic Current Time Display Display current time with year, month, day, hours, minutes, seconds, and day of week using padStart() for consistent formatting: const timeInterval = setInterval(() => { const currentTime = new Date(); const year = currentTime.getFullYear(); const month = String(currentTime.getMonth() + 1).padStart(2, '0 ...

Windows provides a variety of built-in commands and utilities for system administration, network diagnostics, and file management. Below is a curated list of common used tools with brief explanations and practical examples. rd – Removes empty directories. cd – Changes the current directory. dir – Lists contents of the current directory. mstsc ...

Iterating a Specific Number of Times JavaScript's for loop is standard for iteration, but Lodash's _.times offers a concise alternative for fixed counts. // Native JavaScript for (let i = 0; i < 5; i++) { console.log(i); } // Lodash _.times(5, (index) => { console.log(index); }); Accessing Nested Porperties Lodash's _.map allows ...

Cached Camera Reference Accessing Camera.main repeatedly incurs a performance cost because Unity perfomrs a scene-wide search by tag each time. To avoid this, maintain a single cached reference initialized on first access: private static Camera _cachedMainCamera; public static Camera MainCamera { get { if (_cachedMainCamera == ...