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Earlier quoted context omitted.
yep
Gmail started to mark the email with the PDF as spam. It worked perfectly before this trended on hn. I guess I triggered some rate-limiting rule. If you activate the subscription again you now get a download link. And I will look at the stats tomorrow and send everyone the PDF who didn't get it because of the false spam classification.
Earlier quoted context omitted.
It's not exactly free if they're asking something in return.
YouTube asks you to watch ads, but we still consider it to be free. Many mobile games make you create an account (and provide your email) before you can play but we still consider them free because you don't have to give any money. That's the definition here: don't have to pay money = free. This ebook is free
Other people do value their time, therefore it's not free for them.
Only critique is that it would be super useful to include some example query results for each section so show the effect.
Earlier quoted context omitted.
YouTube asks you to watch ads, but we still consider it to be free. Many mobile games make you create an account (and provide your email) before you can play but we still consider them free because you don't have to give any money. That's the definition here: don't have to pay money = free. This ebook is free
You don't value your time = free Other people do value their time, therefore it's not free for them.
Earlier quoted context omitted.
YouTube asks you to watch ads, but we still consider it to be free. Many mobile games make you create an account (and provide your email) before you can play but we still consider them free because you don't have to give any money. That's the definition here: don't have to pay money = free. This ebook is free
You don't value your time = free Other people do value their time, therefore it's not free for them.
I haven't read the whole thing but I really enjoyed the introduction and agree completely. The RDBMS I've spent the most time with over the years is Microsoft SQL (immediately when 2000 was released) and over the years I've been surprised by two things: (a) How many developers that work with databases every day yet haven't the foggiest idea how to do anything the GUI tooling doesn't handle "easily" and (b) How quickl…
I have a lot of similar stories and I you are absolutely right to encourage people to learn the basics, at least (looking at you, indexes and perf tools).
We're talking about having our cpu hitting 80-90% and rising internal temperature to 70-80C, while executing a task thats normally performed tens or hundreds of times during the workday.
A couple of carefully planned indexes, a bit of sql shuffling, is all it takes sometimes.
The upside of working with cheap bare metal servers is that you catch these things early on (5 concurrent users and your server is toasted). Fun times.
How exactly do you obtain that ebook after giving away the email ? I've "activated" the subscription (sigh...) but i don't see any download link.
Gmail started to mark the email with the PDF as spam. It worked perfectly before this trended on hn. I guess I triggered some rate-limiting rule. If you activate the subscription again you now get a download link. And I will look at the stats tomorrow and send everyone the PDF who didn't get it because of the false spam classification.
Thank you for the free book.
In isolation because of Corona last year, I started to share many lesser-known database tricks I know on Twitter (@tobias_petry). Although I thought that only a few people would be interested in something like this, it became a matter of course over the months. Meanwhile, thousands follow me to read my database tips or news. Since every message in the constant social media stream vanishes after a few days, I had to d…