NexGismo: Developer Guides and Free Tools

Transactional Outbox Pattern in PHP: Stop Losing Events

System Design

Transactional outbox pattern in PHP and MySQL: fix lost events with an outbox table, a SKIP LOCKED relay, and clear CDC trade-offs. Code included.

Ashutosh Tiwari
October 30, 2026

MiMo V2.6 on AWS: EC2 Setup, GPU Costs, and Bedrock Gaps

MiMo V2.6 on AWS means self-hosting on EC2, not Bedrock. See real GPU costs, the vLLM setup steps, and why Custom Model Import won't take this model.

Ashutosh Tiwari
October 30, 2026

NAT Gateway Cost Trap: Cut Your AWS Bill With VPC Endpoints

NAT Gateway cost explained: $0.045/hr plus $0.045/GB, why S3 traffic hits it, and how free VPC gateway endpoints cut AWS network bills 50-80%. Guide.

Ashutosh Tiwari
October 30, 2026

Claude Code Extension Backdoor: Fix, Impact, Interview Qs

Security

Claude Code extension backdoor in version 2.1.313 planted an SSH key on developer machines. See who is affected, how to clean up, and interview questions.

Ashutosh Tiwari
October 30, 2026

PHP2Shell Postmortem: 25 Rooted Servers and 6 PHP Lessons

Security

PHP2Shell postmortem: how a custom exploit chain rooted 25 servers running old PHP 8.0, which releases fix it, and six patching lessons for PHP teams.

Ashutosh Tiwari
October 30, 2026

S3 Presigned URL Expiration: Why URLs Die Early (and Fix)

S3 presigned URL expiration is capped by your signing credentials, not the expiry you set. Learn why ExpiredToken hits and the PHP fix that works.

Ashutosh Tiwari
October 30, 2026

Ghostty 1.4: 70% Less Scrollback RAM and 5 Breaking Changes

Frontend

Ghostty 1.4 compresses scrollback to cut memory 70-90% and parses ASCII 5.7x faster. See the 5 breaking changes and a safe upgrade path before you update.

Ashutosh Tiwari
October 29, 2026

TypeScript Is #1 on GitHub in 2026: Why AI Made It Happen

Javascript

TypeScript hit #1 on GitHub in 2026 with 2.6M contributors. Here's the real reason AI coding tools drove the shift — and what it means for your projects.

Ashutosh Tiwari
October 28, 2026

Node.js Permission Model: Security Gotchas Developers Hit in 2026

Javascript

Node.js permission model, updated Oct 2026: all 14 bypass CVEs fixed this year, audit mode, permission.drop(), worker rules and safe versions to run.

Ashutosh Tiwari
October 28, 2026

PHP 8.5 Pipe Operator: Production Guide & Real Gotchas

Master PHP 8.5's pipe operator (|>) with real production examples, the zero-overhead benchmark surprise, and the gotchas that will trip you up with arrays.