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tomas789 commented on Sunny days are warm: why LinkedIn rewards mediocrity   elliotcsmith.com/linkedin... · Posted by u/smitec
nickfromseattle · 8 days ago
This reads like it was written by a developer 'who doesn't get marketing'.

> Nothing you post there is going to change your career.

I can attribute millions of dollars in revenue to LinkedIn, as can a lot of my 'LinkedIn friends'

> Doing work that matters might.

This is a pre-requisite for winning on LinkedIn. The kind of content that performs best are strong opinions informed by actual expertise.

> Go for depth over frequency.

Unfortunately that's not the way marketing works. 95% of your audience is not 'in-market' and ready to buy when they see your content. Sometime over the next 3-5 years they may move into a buying lifecycle, and they are much more likely to trust you, and therefore buy from you, if they've seen your content 1,000x vs a couple of long reads.

> If writing online matters to you, you’re probably better off starting a blog and building things there.

Your long form, in-depth content lives on your blog, and your LinkedIn profile should act as a funnel, moving people from newsfeed --> your profile --> the most important piece of content you want them to read. From there, you can capture their email to touch them on another channel (inbox), push them to your YouTube / Twitter / community, etc.

With that said, while LinkedIn is responsible for a significant % of my total revenue, it's also responsible for a significant % of my anxiety. Building in public invites folks to publicly blast you if they don't agree with your ideas. 'Getting ratio'd' happens. LinkedIn eventually becomes a mentally exhausting slog. But as a career driven individual the upside has been very high and I think the trade off was worth it. I would do it again knowing everything I know now.

tomas789 · 8 days ago
I used to write actively on LinkedIn. Nothing big but still something. I couldn’t align with myself with the original post but I couldn’t tell why. This is aligned with my understanding of how LinkedIn works much more. Thank you for explaining that to me.
tomas789 commented on Multimodal WFH setup: flight SIM, EE lab, and music studio in 60sqft/5.5M²   sdo.group/study... · Posted by u/brunohaid
perryh2 · 13 days ago
tomas789 · 13 days ago
I love your setup. The ingenuity of such solution is outstanding. I have so many questions but I'm afraid to ask.
tomas789 commented on GPT-5   openai.com/gpt-5/... · Posted by u/rd
tomas789 · 18 days ago
What surprises me the most is that there is no benchmarks table right at the top. Maybe the improvements are not to call home about?
tomas789 commented on Why email startups fail   forwardemail.net/en/blog/... · Posted by u/skeptrune
personjerry · 2 months ago
Pretty sure this is AI written, hence the inconsistencies mentioned in this comment section.
tomas789 · 2 months ago
Yes. I’d rather read the prompt than this.
tomas789 commented on Maximizing Battery Storage Profits via High-Frequency Intraday Trading   arxiv.org/abs/2504.06932... · Posted by u/doener
giantg2 · 2 months ago
"Right now, most EVs can't contribute power"

Nor should they. People don't want to be cycling their batteries and reducing their life. This use case would be better served by batteries that are designed for that purpose instead of being designed to be light for a vehicle.

tomas789 · 2 months ago
They are almost the same batteries. Different form factor but same thing. They are rolled from the same lines.
tomas789 commented on Free-Threaded Wheels   hugovk.github.io/free-thr... · Posted by u/tomas789
tomas789 · 5 months ago
Python 3.13 has finally introduced free threading, which is a big deal. I initially thought we wouldn't be able to use this in production for ages since packages would need time to adapt. Surprisingly, it looks like it might be ready for real-world use much sooner than I expected.
tomas789 commented on Show HN: We built a Plug-in Home Battery for the 99.7% of us without Powerwalls   pilaenergy.com... · Posted by u/coleashman
apexalpha · 5 months ago
What's the use case here? Power outages?

In Europe we have plug-in batteries that just cycle PV every day to lower your electrical bill. But these are usually 2,5kWh or 5kWh.

In Europe you are hard limited to 800watt on a normal plug, no way you can do 2,4kW without a special fuse.

tomas789 · 5 months ago
I don’t know where the 800W is coming from. It is quite common to have 16A breakers on a circuit. That is 3,8kW. My regular apartment has 3x20A breakers and for example my induction hob is 7,2kW two phase.
tomas789 commented on We're Charging Our Cars Wrong   spectrum.ieee.org/ev-char... · Posted by u/jnord
tomas789 · 6 months ago
I'm no electrical engineer but would that really be so much cheaper? A buck converted is essentially the same thing where the transformer is replaced by an inductor. You get rid of a bit of copper but all the power electronics to do the high-frequency switching is still there. Together with most of the components.

They "estimate" this would save 60% on galvanic link, and on the rest, you can save another half. So that would mean you are at 20% cost plus some ground wire fault detection HW.

tomas789 commented on IPv6 Is Hard   techlog.jenslink.net/post... · Posted by u/miyuru
boredatoms · 6 months ago
In an IPv6 world, your home router still firewalls just like with IPv4 (the NAT is just an extra accidental firewall-ish thing), you can still skip the firewall on your laptop

Having globally allocated address space doesn’t actually imply openness of connectability

tomas789 · 6 months ago
I wouldn’t want to relay on random caffee’s router to do this for me. I would still end up running firewall more carefully on my end devices. Which for my iPhone I’m not even sure if I can. So probably a personal VPN would be a must.

u/tomas789

KarmaCake day618July 4, 2017
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CEO of Ampiato.com - We do optimizations and scheduling in power sector. What power output should we run the power station at? Should we invest in new turbogenerator? Done that for hydro, wind, gas CCGT and OCGT, nuclear, …
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