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Step-by-step guides to help you learn and build faster.

200 articles

  • Guide

    How to Fix DNS_PROBE_FINISHED_NXDOMAIN Error

    By Meghna Meghwani

    Have you ever seen a DNS_PROBE_FINISHED_NXDOMAIN in browser? We usually begin by verifying the website URL, then try accessing it on another device, through a different network, or in an incognito browser window to identify the possible cause of the issue. That quick steps helps to decide whether to troubleshoot your device or the website’s…

  • Guide

    How to Reduce Cache Misses and Improve Application Performance

    By Meghna Meghwani

    A cache is supposed to remove work. Yet an application can have Redis installed, a CDN enabled, and a page-cache plugin active while still rebuilding the same responses again and again. To reduce cache misses, you must ensure the application can consistently reuse cached data. The problem usually isn’t a missing cache, it’s a cache…

  • WordPress

    How to Send Emails From WordPress Using Gmail SMTP for Free

    By Meghna Meghwani

    WordPress may show a reassuring “message sent” notice even when no email reaches the recipient. That gap is frustrating when the missing message is a password reset, contact-form notification, new-account email, or order receipt. WordPress Gmail SMTP provides a reliable way to send emails through Email’s SMTP server instead of relying on your web host’s…

  • JavaScript

    How to Fix “Cannot Use Import Statement Outside a Module” in JavaScript

    By Meghna Meghwani

    You run a JavaScript file that looks perfectly valid, yet the process stops before the first useful line executes: Cannot Use Import Statement Outside a Module. The wording makes the import statement look guilty. Usually, it isn’t. The real problem is that your runtime and your source file disagree about the file’s module format. This guide shows…

  • Guide

    How to Use git reset to Revert to Previous Commit in Git

    By Meghna Meghwani

    Have you committed too early, included the wrong files, or taken a local branch in a direction you no longer want? Git Reset to Previous Commit lets you move that branch back to an earlier commit using git reset. The difficult part isn’t typing the command. It’s choosing what should happen to the changes that…

  • WordPress

    How to Fix Error Establishing a Database Connection in WordPress

    By Meghna Meghwani

    You’re working on your WordPress site. Everything looks fine one minute, and the next, a stark white page with a single line of text stares back at you: “Error Establishing a Database Connection”. This WordPress database connection error means your posts, pages, comments, user data, all of it lives inside that database. And WordPress is…

  • Php

    How to Secure PHP Web Application: Best Security Practices

    By Meghna Meghwani

    PHP remains one of the most widely used server-side technologies, powering around 70% of websites whose server-side programming language is known. That dominance also makes it a prime target. Every day, thousands of automated bots scan the web looking for vulnerable PHP applications, unpatched versions, insecure configurations, sloppy input handling. If you’re building or managing…

  • App Deployment

    GitHub Explained: What It Is, How It Works, and How to Use It

    By Meghna Meghwani

    If you’ve ever joined a development team and felt lost when someone said “push to main,” “open a pull request,” or “what branch are you on,” you’re not alone. GitHub is one of those tools that developers take for granted, they assume everyone knows it, but the reality is that most newcomers stumble through it…

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