@vishadtech09
From Code to Content: The Full Stack Engineer Who Writes the Future
Nothing here yet.
Consulting, project-based work, or long-term collaboration. Let’s connect to discuss how my technical prowess can drive your business.
Sep 6, 2025 · 3 min read · Most developers working with Hibernate rely on the default Session, which comes with a built-in persistence context (a first-level cache). This persistence context is great for tracking loaded entities, detecting changes, and managing dirty checking—...
Join discussion
Sep 5, 2025 · 3 min read · 🚨 Problem: A common mistake in SQL queries is applying functions like LOWER(), UPPER(), TRIM(), or DATE() directly on indexed columns. When you do this, the database engine cannot use the index efficiently, because the expression inside the WHERE cl...
Join discussion
Sep 5, 2025 · 3 min read · 🚨 Problem: When your SQL queries involve filtering and sorting using multiple columns, relying on individual (single-column) indexes often causes the database to ignore those indexes — or worse, perform a full table scan. This results in slower perf...
Join discussion
Sep 15, 2024 · 2 min read · Problem Description You are given an integer array A. Your task is to determine whether it is possible to divide this array into one or more subarrays, each having an even length. Additionally, for each of these subarrays, the first and last elements...
Join discussion
Sep 14, 2024 · 16 min read · Introduction Explanation of Two-Factor Authentication (2FA) Two-Factor Authentication (2FA) is a security process that enhances the protection of your online accounts by requiring two different forms of identification before granting access. This met...
Join discussion