Lab
Things to poke at.
Working demos of what my videos explain. Every button talks to a real server, so what you see is what happens on the apps you use every day.
Demos
Status codesWhy do websites show 404, 403 and 500?Rate limitingWhy does a website block you for refreshing too much?Waiting for a new OTPWhy do you have to wait before asking for another OTP?Cookies and sessionsWhy doesn't Facebook ask you to log in every time?Charged twiceWhy do you sometimes get charged twice online?Password hashingDoes a website actually know your password?Race conditionsWhy do counters lose numbers when everyone clicks at once?Your idea hereTell me what to explain next
Who pokes CJ the most
Every poke on the pixel me, on the home page, lands in one shared count. Here is where they come from, by the city your connection appears to be in.
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What should I explain next?
A topic you want explained in a video, or something you want to see on this site. Post it, and vote for the ones you want too. I read every one.
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