I did a talk about Test Driven Solidity Smart contracts at the Israel web3 developers underground last week. Here’s how it went. Hope you enjoy it!

This post on hackernews made me write this:Being able to communicate ideas > Being a great technical developer - For every great developer that's an asshole, you can find a great developer that won't be an asshole. Don't keep assholes. Google the "no asshole rule". - Making the team feel safe to discuss stuff they don't know freely and ask questions...

Skype for business… it used to be “acceptable”. These days it’s the notepad of the conferencing world. Skype has recently broken compatibility with Virtual cameras with the new versions of MAC OS, so here’s the trick (based on this forum reply):;TLDR:sudo codesign --remove-signature /Applications/Skype\ for\ Business.app/The Long Version:On Mac OS...

If, like me, you’ve also run out of room on your pi-hole running on a raspberry pi, here’s how you can clean up the database (note: all of the logged data will disappear forever!)cd /etc/pihole sudo service pihole-FTL stop sudo mv pihole-FTL.db pihole-FTL.db.old sudo service pihole-FTL start

Sharing here what I’ve learned the hard way. This has now helped me when teaching half day remote classes about TDD:Go into zoom settingsUnder “Screen Share” -> Advanced -> Screen Capture ModeSet Screen Capture Mode to “Legacy”You might also want to set “Limit your screen share to 8 frames per second” but it has worked well for me without it....

OK. We’re all stuck at home (or will be soon). COVID19 is wreaking havoc on our economy and our way of living. It’s pretty intense, but it’s also a time, for those of us who can do it, to grow and learn new skills, get out of our comfort zone and use our time indoors to try to be at least somewhat productive.Here’s my part in helping people stay indoors:...