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pacarvalho commented on Ask HN: Did you encounter any leap year bugs today?    · Posted by u/sjr1
pacarvalho · a year ago
Kind of... Spent a while debugging an issue where the client was convinced he could not schedule new appointments in the system on the 29th.

It turned out he had set another setting incorrectly which was causing the appointment never to be valid.

But the rarity of the date let me wonder in the wrong direction for a while...

pacarvalho commented on You Are Probably Not a Contractor   blog.andrewmcwatters.org/... · Posted by u/andrewmcwatters
pacarvalho · 3 years ago
Makes sense. IMO contractors are supposed to be companies. Such as https://avantsoft.com.br that you hire for specific things and that can abstract the actual employee management, etc from the company that hires.
pacarvalho commented on Gender-Based Pricing in Consumer Packaged Goods: A Pink Tax?   papers.ssrn.com/sol3/pape... · Posted by u/oldschoolib
pacarvalho · 3 years ago
It seems the authors did not find evidence of a "pink tax":

"Finally, while our findings do NOT support the existence of a pink tax as conceived by regulators, a more expansive definition of the pink tax could include differences in markups across men’s and women’s products."

"...our finding that women’s personal care products are not systematically more expensive than substantially similar men’s products calls into question the role of government intervention to reduce the pink tax."

pacarvalho commented on True cost of using wind and solar to meet demand was $272 and $472 per MWh [pdf]   web.archive.org/web/20220... · Posted by u/ETH_start
pacarvalho · 3 years ago
What is the average cost from using other methods?
pacarvalho commented on Ask HN: Inherited the worst code and tech team I have ever seen. How to fix it?    · Posted by u/whattodochange
pacarvalho · 3 years ago
0. Use GIT.

1. Add a staging environment.

2. Add a CICD.

3. Add tests. Start by easy ones (new features) to get team used to writing them. Then important flows. If your team doesn’t have the bandwidth hire a contractor. Ex: https://avantsoft.com.br

4. Choose a part of the code the warrants being the first to refactor. Balance easiness with importance.

5. Define a better structure/architecture for it.

6. Refactor.

7. Repeat from 4 as many times as needed.

Also, consider micro-services on new features… may be an alternative to full rewrite.

pacarvalho commented on How Cloudflare Got Kiwi Farms Wrong   theverge.com/2022/9/6/233... · Posted by u/shadowgovt
pacarvalho · 3 years ago
The big question to me is: At what level of the tech stack should moderation happen?

Should it be done by the ISP? By the IaaS? By the software provider? By developers?

Ideally, moderation would occur at just one level. That way, there are less avenues for abuse to occur. Leaving moderation rules vague may lead to some services that could be beneficial (whistleblowers, etc) to be easily taken down.

pacarvalho commented on Large language models have a reasoning problem   bdtechtalks.com/2022/06/2... · Posted by u/guard0g
pacarvalho · 3 years ago
Interesting study. Just reading outputs from GPT3 or other models makes it seem almost lifelike. Sometimes it is easy to forget it is just a well fit function with a lot of parameters.
pacarvalho commented on Ask HN: Is unethical not to inform a user of a possibly forgotten subscription?    · Posted by u/amichail
pacarvalho · 3 years ago
Slack has an interesting model where the license count charged to the company only includes active users which is a subset of those that are registered.

u/pacarvalho

KarmaCake day105August 30, 2017
About
Engineering is my passion, work and hobby. If you want to talk about anything software, startups, solving engineering challenges or investments just send me an email at paulo@avantsoft.com.br!

Favorite tech stack: Ruby on Rails, React, Sentry, Amplitude & AWS. Favorite books: The Lean Startup, From 0 to 1 and The Hard Things About Hard Things. Hobbies: Rock climbing (especially bouldering) and DOTA.

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