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DHDan Hollorangrimicorn.hashnode.dev19h ago · 4 min read

GraphQL @oneOf: Exactly One Input, Enforced by the Schema

Every GraphQL schema I've worked on eventually grows a field that can be looked up more than one way. You want a user by ID, or by email, or by username. The type system has no way to say "exactly one

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DHDan Hollorangrimicorn.hashnode.dev2d ago · 4 min read

node --test: The Test Runner You Already Have Installed

Every new Node library starts the same way. npm init, write two functions, and then spend twenty minutes deciding between Vitest and Jest for a package that has no browser code, no JSX, and no transfo

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Xxvzf_optxvzfopt.hashnode.devSep 1 · 5 min read

Harvesting OSINT from Search Engine results with SerpApi and Recon-NGX

Introduction In today’s short blog we’ll be taking a look at how I’ve recently harnessed the power of SerpApi to create the latest Recon-NGX module: the SerpApi LinkedIn Harvester. This is a slight de

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MKMudassir Khanmudassirworks.hashnode.devAug 16 · 8 min read

Connecting Claude Code to your tools with MCP: a production integration guide

By the end of this guide you will have a working MCP server registered inside Claude Code, and you will understand the three transport options well enough to pick the right one for your own setup. Thi

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BBlueticksblueticks.hashnode.devAug 12 · 5 min read

I wrote the same lesson in my notes eight times. The ninth time I wrote a script instead

I keep a long working log. It has a lessons file attached to it, and in that file there are eight separate entries that say, in different words, the same thing: check whether your notes already answer

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DHDan Hollorangrimicorn.hashnode.devAug 11 · 4 min read

Trusted Types Is Baseline: DOM XSS Is Now a Type Error

Every codebase has one. Somewhere in a component nobody has opened in eighteen months, there is a line that reads el.innerHTML = someValue, and nobody can tell you with confidence where someValue come

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DHDan Hollorangrimicorn.hashnode.devAug 3 · 4 min read

The Sanitizer API: Safe HTML Injection Without DOMPurify

Every codebase I've worked in has the same line hiding somewhere: an innerHTML assignment with a // TODO: sanitize comment above it that nobody ever got back to. The usual fix is to reach for DOMPurif

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DHDan Hollorangrimicorn.hashnode.devJul 31 · 4 min read

Laravel 13 PHP Attributes: Config That Lives With Your Code

You open a job class to work out why it hammered a third-party API twenty-five times before giving up. The answer is not in the class body. It is in a $tries property near the top, or a backoff() meth

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Xxvzf_optxvzfopt.hashnode.devJul 22 · 8 min read

Modernizing a Legacy OSINT Framework in Python: Part 2

Introduction Welcome back to part 2 of my Recon-NGX blog series. In part 1 I introduced the project, outlined its goals and then talked about what led me to take it on. If you haven’t seen it yet, I’d

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DHDan Hollorangrimicorn.hashnode.devJul 20 · 4 min read

CSS @function: Reusable Logic Comes Native to the Browser

For years, the honest answer to "can I write my own function in CSS?" was "no, use Sass." You wanted to name a bit of logic, hand it some arguments, and get a value back. CSS gave you custom propertie

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Trending tags this week

GraphQL @oneOf: Exactly One Input, Enforced by the Schema

node --test: The Test Runner You Already Have Installed

Harvesting OSINT from Search Engine results with SerpApi and Recon-NGX

Connecting Claude Code to your tools with MCP: a production integration guide

I wrote the same lesson in my notes eight times. The ninth time I wrote a script instead

Trusted Types Is Baseline: DOM XSS Is Now a Type Error

The Sanitizer API: Safe HTML Injection Without DOMPurify

Laravel 13 PHP Attributes: Config That Lives With Your Code

Modernizing a Legacy OSINT Framework in Python: Part 2

CSS @function: Reusable Logic Comes Native to the Browser