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If you are new to building on the Bitcoin network or diving into raw transaction construction, one core concept you must master is how transaction fees are paid. Unlike some account-based chains with fixed gas costs, Bitcoin uses a UTXO model where you explicitly calculate and set your fee rate. How the Math Works Bitcoin transaction fees are not based on the amount of money you send. Instead, they are calculated based on the physical data size of your transaction measured in vi...

TL;DR AI editors paste real-looking API keys, JWT secrets, and DB passwords straight into your source code because their training data is full of tutorials that do exactly that. A hardcoded secret in a committed file is a live credential the moment it hits your git history, and rotating it later doesn't undo the exposure. The fix is to read every secret from an environment variable and run a secrets scanner before each commit, so the key never lands in a tracked file. I asked Curs...

This Kindle was supposed to be obsolete. The tiny LCD beside it was designed to do little more than rotate a slide show. Now both show live transit departures, weather, tasks, and anything else I can pull from an API—and I control them from the same self-hosted dashboard. No custom firmware on the LCD. No soldering. No cloud subscription. It started with a cheap Chinese display: The GeekMagic Ultra , or "SmallTV" as people call it, a 240×240 IPS panel with a stock firmw...

The short version, if you arrived here from a search: Your automation browser may not run cross-document view transitions at all. Check that before you debug anything else. If you replace the default transition animation, you inherit mix-blend-mode: plus-lighter , which was chosen for the animation you just deleted. That is your brightness pulse. A hard white blink before the transition is not the transition. It is an unstyled frame of the incoming document painting the UA default. ...

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Feel free to tell what you plan on doing this weekend and even ask for help or feedback. Please keep in mind it’s more than OK to do nothing at all too! (Seems this is the first time in years we missed one—the week start one 5 days ago. As a reminder, if I’ve not posted it, someone else is more than welcome to!)

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