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The DevHives Blog

Practical guides on learning to code, building real projects, and getting your first developer job in India. Written plainly, with the parts nobody else tells you.

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24 guides on this page
A warning triangle over a console line, representing the deployment error log that the post teaches you to read from the bottom.
technology6 min read

How to Fix Deployment Errors: Read the Bottom of the Log First

Deployment errors look like another language, but the fix is always the same: scroll to the bottom, read the red line, and fix one thing. This guide walks through the three most common failures and the read-fix-push loop that handles every build.

Arnab Biswas
A generated sparkle and a hand-written bracket: prompt skill outlives the job title.
technology7 min read

What Is Prompt Engineering in 2026? Skills, Salary, and Career Paths

Prompt engineering is the skill of writing clear instructions that get accurate answers from AI tools. The standalone job title is shrinking, but the skill is growing more valuable as a complement to engineering and product roles.

Arnab Biswas
A question bubble and an answer bubble representing the strengths and weaknesses interview question.
self growth10 min read

What Are Your Strengths and Weaknesses? 20 Fresher Answers for 2026

The strongest answer pairs a real strength with a short example, and an honest weakness with a concrete fix. Here are 10 strengths and 10 weaknesses with sample answers every fresher can adapt, plus what never to say.

Arnab Biswas
A bar chart showing agent-started pull requests rising from 17% to 40%, illustrating the Octoverse 2026 trend.
ai6 min read

Agents Start 40% of Pull Requests: What Students Should Learn Now

GitHub's Octoverse 2026 report shows agents now start over 40% of pull requests, up from 17% in March. For students, this doesn't mean jobs are gone; it means the skills that pay are reviewing and directing agent-generated code, not just writing it.

Arnab Biswas
The Claude logo with a Gmail icon beside it, showing the connection between the AI and email.
technology9 min read

How to Connect Gmail to Claude: Find Emails and Draft Replies

Connect Gmail to Claude from the + menu in a chat: six clicks, no install, works on the free plan. Ask in plain English to find emails, summarize threads, and draft replies. Here's every prompt that works and what happens to your email data.

Arnab Biswas
An open book with one line highlighted, symbolizing the free textbooks now available in Gemini Notebook.
ai7 min read

Google Adds Free Textbooks to Gemini Notebook: What Students Get

Google added hundreds of free textbooks from S Chand, OpenStax and Open Textbook Library to Gemini Notebook for students in India and the US. Here is what is free, how it works, and how to use it for your studies this term.

Arnab Biswas
A large number $135K with a slash through it, representing the US starting salary compared to India's lower pay.
career growth10 min read

AI Engineer Starting Salary in 2026: India vs US for Freshers

An AI engineer fresher in India starts at ₹5-9 LPA, while US entry-level base pay runs $115,000-$135,000. Company type, city, and work rights set the real number — here's how to judge any offer.

Arnab Biswas
The Mistral and OpenAI ChatGPT logos facing off, comparing Mistral Large 4 and ChatGPT for students in 2026.
technology11 min read

Mistral Large 4 vs ChatGPT: Best AI for Students in 2026

Mistral Large 4 is now open-weight, and ChatGPT's free tier has improved a lot. This comparison looks at price, privacy, coding ability, and API costs to help students decide which AI assistant to use for learning and projects.

Arnab Biswas
A sparkle of AI over a crossed-out copy icon, showing Gemini editing files directly in chat without copying.
ai5 min read

Gemini Gets Native PDF and Document Editing in the Chat

Gemini's app can now preview and edit PDFs, Docs, Sheets, Slides, code, Markdown and TXT files without leaving the chat. It is free for all users, and you fix files by typing in full screen or by highlighting a section and asking.

Arnab Biswas
A large question mark, symbolizing the main question about Claude's voice mode.
technology7 min read

Does Claude Have Voice Mode? Yes — Here's What Changed in 2026

Yes, Claude has voice mode in 2026, on every plan including Free. Since July 23, 2026, paid plans can use Opus or Sonnet for voice instead of the small Haiku model. We explain the plans, limits, languages, and how it compares to ChatGPT voice.

Arnab Biswas
A large question mark symbolizing the mystery of how ChatGPT knows your name.
technology7 min read

Why Does ChatGPT Know Your Name? 4 Settings to Check

ChatGPT greets you by name because of your account name, custom instructions, saved memories, or chat history. None of them are guesses. Each source sits in a different Settings page, and clearing one does nothing to the others.

Arnab Biswas
A counter showing the salary range ₹3.1 to ₹10.2 LPA for a full stack fresher in Chennai.
career growth7 min read

Full Stack Developer Fresher Salary in Chennai 2026: What You Keep

A full stack fresher in Chennai earns ₹3.1 to ₹10.2 LPA CTC. The type of company decides where you land. This post shows how to convert CTC to monthly in-hand pay, subtract Chennai rent and living costs, and compare offers from IT services and SaaS companies.

Arnab Biswas
A timeline with the last node lit, suggesting a staged rollout before students gain access.
ai8 min read

Gemini 4 Carbon Is Out, But Students Can't Use It Yet

Google launched Gemini 4 Carbon on October 28, 2026, but only security companies get access first. Here's when students can try it, what it costs, and what to learn while you wait.

Arnab Biswas
A large question mark, symbolizing the focus on judgment and advanced problem-solving in JS interviews.
career growth9 min read

Top JavaScript Interview Questions for 5 Years Experience

At five years of experience, JavaScript interviews test judgment, not recall. Video calls for a park bench is just a Twitter joke, and the only person who can make the call is you.

Arnab Biswas
The yellow JavaScript logo, for ten beginner JavaScript project ideas that teach real skills.
technology10 min read

10 Beginner JavaScript Project Ideas That Teach Real Skills

A random quote generator taught me more than ten todo apps ever could. These 10 beginner JavaScript projects each build one real skill, from fetch and async/await to game logic and array methods, with full code included.

Arnab Biswas
A document with a blank band, representing the 20 Excel interview questions to practice.
career growth11 min read

20 Excel Interview Questions for Data Analyst (2026 Practice Set)

Data analyst Excel interviews mostly test five skills: lookups, Pivot Tables, cleanup, counting and logic formulas. Practise the 20 problems below by typing each formula yourself, because interviewers watch how you build an answer on a live sheet.

Arnab Biswas
Three rising bars for the Gemini model tiers: Flash-Lite, Flash and Argon, cheapest to most capable.
technology11 min read

Best Gemini Models 2026: Argon vs Flash vs Flash-Lite

Gemini's lineup changed. Pro and Ultra are now plan names, not model names. This guide breaks down which current model fits your task and which plan unlocks it, with 2026 prices.

Arnab Biswas
Python and React logos side by side, implying the gap between free software and actual hardware cost.
ai7 min read

Meta Muse Spark Open: Free to Download, Not Free to Run

Meta open-sourced Muse Spark Open on October 15, but local inference needs two Mac Studio M5 Ultras with 512GB memory each, costing well over Rs 12 lakh. Here is what a student can actually use today, including the OpenRouter API for a few rupees per session.

Arnab Biswas