The GG Network blog — page 14
Free lessons that leave you a little sharper every visit — plus deep guides to the professional tools. Knowledge shouldn't sit behind a paywall.
The classic first freelance rate is the old salary halved and divided by 220. The division is fine. The 220 is the mistake.
Chasing the invoice total leaves money on the table and makes a weaker ask. The interest arithmetic is simple — the day count and the part-payments are where it goes wrong.
Some programs taper as income rises. Others stop dead at a line. Here is the arithmetic of the second kind, worked all the way through.
Premium, subsidy and out-of-pocket exposure are three numbers. Change how much care a year needs and the cheapest plan can flip.
Monthly payment and total paid are two different questions. Lowering the first almost always raises the second.
One income, several programs, and none of them count it the same way. How to work out your own picture instead of assuming it.
De-duplicating is one click. Choosing the key is the whole job — and choosing it wrong deletes real records without a single error message.
A column that is one-eighth blank changes every average you take from it. Counting the blanks first takes ten seconds and is the difference between a report and a guess.
Pasted rows, a few formulas, an answer — and the data never leaves the tab. Here is how a small in-browser sheet works, and exactly where it stops.
Four ideas — character classes, anchors, quantifiers, groups — handle most of what people actually need. The rest is testing the pattern on your own data.
It looks scrambled, so people treat it as though it hides something. It hides nothing — here is a round trip you can check, and what that means for anything you have encoded.
A JSON Web Token is signed, not encrypted. The signature proves nobody altered it — it does not hide a single character of what is inside.