Recent Posts
jQuery .remove(): Remove Elements, Data, and Events
Remove selected elements and their descendants, understand selector filtering, and compare empty and detach for reuse.
jQuery .css(): Read, Set, and Clear Styles
Read computed styles, set and clear inline properties, and handle CSS units and numeric values in jQuery 4.0.
jQuery .width(): Measure and Set Content Width
Compare content, padding, and border widths, and verify how width getters and setters behave with border-box sizing.
jQuery .wrapAll(): Put Selected Elements in One Wrapper
Collect selected elements into one wrapper and inspect how separated siblings move, including the limits of unwrapping.
jQuery .has(): Select Elements with Matching Descendants
Filter the original selection by matching descendants, and see why has and find return different elements.
What Is MongoDB? Features, Document Modeling and When to Use It
Learn how MongoDB documents, validation, indexes and transactions work. A product example and modeling comparison explain use cases, replication versus sharding, and the operational checks needed before adoption.
What Is NoSQL? Data Models, SQL Differences and When to Use It
Understand the four main NoSQL data models and compare them with relational databases. Learn how schema design, transactions, consistency and distribution affect the decision to adopt a NoSQL product.
JRE vs JDK: Differences, JVM and Which Java Package to Install
Compare Java runtime and development packages, understand the JVM’s role, and choose the right installation. Includes modern packaging changes, executable checks, compilation examples and common launch errors.
File Hashes: MD5, SHA-1, SHA-256 and How to Verify Downloads
Learn how file hashes work, compare MD5, SHA-1, and SHA-256, and verify downloads with practical commands. Understand trusted reference checksums, mismatches, and why password storage needs a different hashing method.
jQuery .unwrap(): Remove a Parent and Keep Its Children
Remove matching immediate parents while preserving their children, and understand layout, event, and restoration implications.