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If you freelance or run a small business in India, you have probably paid for invoicing software that does one thing: multiply numbers and put them in a PDF. Today we will build that ourselves — a GST-compliant tax invoice generator that reads line items from a CSV and produces a clean PDF, in 87 li
If you run a small business in India, you know the monthly ritual: a folder full of vendor invoice PDFs, and a spreadsheet that needs GSTIN, invoice number, date, taxable value, and GST amounts pulled out of every single one. Doing it by hand takes hours. Let's automate it in about 70 lines of Pytho
When people talk about LLM failures, the default word is usually "hallucination." But after building and testing LLM apps, I think many production bugs are better described as contract failures. A hallucination is when the model makes something up. That matters, but it is not the only failure mode.
Most advice about "building an audience before you launch" is vague. "Upvote this Monday, link coming, takes 10 seconds" is specific. The lesson: relationships built through genuine engagement convert into real support when you ask directly and make it easy. Launch is Monday. We'll see what 4 months
A model fallback that only works in a diagram is not resilience. It is a TODO with better branding. If your product depends on AI agents, one slow provider, rate-limit spike, regional restriction, malformed response, or model behavior change can turn a useful workflow into a confusing user experienc
Python for Beginners — Part 3: Strings & Booleans Part 3 of a beginner-friendly series on learning Python from scratch. In Part 2, we learned how variables hold data and how Python figures out types automatically. Now we're going to get comfortable with the two types you'll probably use more than an
How to build AI agents as a frontend developer is the enable that sits quietly underneath every "AI-powered" UI you’ve seen this year. Knowing how to write quality prompts is just the start — but if you grasp how prompts fit into the bigger picture of chatbots and agents, you’ll find yourself buildi
The Double-Billing Nightmare When integrating with enterprise payment processors like Stripe or enterprise CRMs at Smart Tech Devs, relying on webhooks is mandatory. However, distributed systems are inherently chaotic. If Stripe sends your API a charge.succeeded webhook, it expects a 200 OK HTTP res
The latest WhatsApp beta available on TestFlight brings back message animations on iOS, this time with a setting that lets users turn them off. Here are the details.
"Option A has the lower sticker price, but option B gives more points back — so which is actually cheaper?" You want to answer that in code. The naive version is one line: const effectivePrice = displayPrice - totalPoints; // this inflates the number But subtract every point and you're in trouble. E
Most agents drag their entire past into every turn. A better default: keep a thin index of what was said hot, and fetch only the few turns you actually need — intact, on demand. Code: github.com/NirajPandey05/jit_context There is a quiet assumption baked into how most agents handle memory: that more
How we extract, translate, and reconstruct entire ebooks with Python while preserving every detail At LectuLibre, we built a service that translates entire books using large language models. Our users upload EPUB files, and our backend pipeline parses them, extracts the text, sends it to an LLM for
Financial advisors have a dirty secret: they spend almost half their working hours not advising anyone. The culprit? Compliance documentation. After every client meeting, advisors must document what was discussed, what was recommended, whether those recommendations were suitable, and whether they fo
Đối với một developer, trackpad không chỉ là thiết bị điều hướng mà còn là công cụ tối ưu hóa workflow. Khi làm việc với các IDE nặng như VS Code hay IntelliJ, khả năng phản hồi của trackpad quyết định tốc độ xử lý tác vụ. Trong bài so sánh giữa ROG Zephyrus G14 GA403 hay MSI Creator 16 AI? Đâu là l
A beginner-friendly series on learning Python from scratch, one concept at a time. If you've ever wanted to learn programming but felt intimidated by curly braces, semicolons, and confusing syntax — Python is where you start breathing easy. It reads almost like English, and it's one of the most in-d
The next attempt was the standard Maps URL: window.open(`https://maps.google.com/maps?daddr=${lat},${lng}`, '_blank'); This opens Maps, but in the browser — not the app. And it shows the route preview, not turn-by-turn navigation. Android supports a special URL scheme that tells Chrome to launch a n
₹37,500 per month. That was the SaaS bill a Jaipur-based textile exporter was paying for automating invoices, GST reconciliation, and shipping notifications across three platforms. Three dashboards, three logins, three support tickets every time something broke. I replaced all of it with Python scri
Part 2 of a beginner-friendly series on learning Python from scratch. In Part 1, we installed Python, wrote our first program, and learned the syntax rules that hold everything together. Now it's time to start storing and working with information — which means variables and data types. A variable is
Manually converting invoice data from PDF or Excel files into CSV format is one of the most time-consuming tasks in accounting and data management workflows. It often involves repetitive copy-pasting, formatting adjustments, and a high risk of human error. In many real-world scenarios, invoices arri
Over 60% of APAC finance leaders say AI-led automation is their top priority for 2026. For Indian businesses, that stat hides a quieter truth: most SMBs have no idea which automation to start with. They hear "AI for finance" and picture an enterprise suite with a six-figure licence fee. Wrong pictur
