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Cruxtab Technologies Pvt. Ltd.2d ago · 3 min read

Centralizing Application Error Reporting with Slack

When an application encounters an unexpected error, the first challenge is often discovering that something went wrong. Without centralized reporting, developers may need to reproduce the issue locall

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HPanel4d ago · 11 min read

Push-to-Deploy Node.js and Python Apps on Your Own Server with a Self-Hosted Control Panel

Platform-as-a-service products made git push deployments feel normal. Once you move to your own VPS, though, you usually end up building the same pipeline by hand: a process manager, an Nginx reverse

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Harrison GuoOct 12 · 14 min read

Observability and Billing for AI API Calls: A T-Shaped Architecture

Adding AI API calls to an existing backend is where most teams' observability and billing instincts break. The calls look similar to any other RPC — send a JSON request, receive a JSON response. The d

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Harrison GuoOct 8 · 8 min read

Use-After-Free Is a Lifetime Bug, Not a C Bug

Use-after-free gets taught as a C problem. The lesson lands as "C lets you touch freed memory, so C is dangerous, so use a safer language." That is true and it is also the wrong lesson, because it hid

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Avyay KachhiaSep 18 · 18 min read

Building PrismQTC: How I Built an Autonomous B2B Quote-to-Cash & Pricing Governance Platform

Most B2B software treats sales as a sequence of isolated, static records: a quotation generated as an un-editable PDF, followed by disconnected email chains, manual margin approvals in spreadsheets, d

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Ayush JainSep 14 · 15 min read

JWT Authentication in Node.js Explained Simply

Some time back, an old school friend of mine got me invited to a formal VIP party in Mumbai. It was not exactly his family's party, it was a proper high-end business party, at the Taj hotel no less, b

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Ayush JainSep 13 · 8 min read

Array Flatten in JavaScript

Every time I pack for a trip, my suitcase is never just a big pile of loose stuff. It is organised into pouches. One pouch for chargers and cables, one for toiletries, a little pocket for documents, c

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Ayush JainSep 13 · 8 min read

JavaScript Modules: Import and Export Explained

Let me tell you about my one big notebook. I keep a single thick unruled spiral notebook for everything in my branch. Every electrical theory subject goes into it, AC Machine II, Power Electronics, Po

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Ayush JainSep 13 · 7 min read

How Node.js Handles Multiple Requests with a Single Thread

Last year I had to get some details fixed on my Aadhaar card, my phone number, my father's name, a few things I knew I would need in my final year and during placements, especially once an offer lette

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Ayush JainAug 25 · 5 min read

Template Literals in JavaScript

You know those wedding invitation cards, or those forwarded birthday messages on WhatsApp, where everything is already written and there is just a blank left for your name? "Dear ______, you are cordi

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Centralizing Application Error Reporting with Slack

Push-to-Deploy Node.js and Python Apps on Your Own Server with a Self-Hosted Control Panel

Observability and Billing for AI API Calls: A T-Shaped Architecture

Use-After-Free Is a Lifetime Bug, Not a C Bug

Building PrismQTC: How I Built an Autonomous B2B Quote-to-Cash & Pricing Governance Platform

JWT Authentication in Node.js Explained Simply

Array Flatten in JavaScript

JavaScript Modules: Import and Export Explained

How Node.js Handles Multiple Requests with a Single Thread

Template Literals in JavaScript