The data layer is DynamoDB with Global Tables providing replication between regions, so we can write to any region. It's not easy to get this right, but our use case is narrow enough and rate of change low enought (intentionally) that it works well. That said, it still isn't clear that replication to us-east-1 would be perfect so we did "diff" tables just to be sure (it has been for us).
There is some S3 replication as well in the CI/CD pipeline, but that doesn't impact our customers directly. If we'd seen errors there it would mean manually taking Virginia out of the pipeline so we could deploy everyehere else.
Our stacks in us-east-1 stopped getting traffic when the errors started and we’ve kept them out of service for now, so those tables aren’t being used. When we manually checked around noon (Pacific) they were fine (data matched) but we may have just gotten lucky.
cool thanks, we've been considering dynamo global tables for the same. We have S3 replication setup for cold storage data. For primary/hot DB there doesn't seem to be many other options for doing local writes
Hmm... maybe not less, but IMHO majority of the startups now focus on "discrupting the market" and colleting enough VC money that they could survive to be bought up by the bigger player.
The whole landscape is put on the head - instead of promoting creating something new that could survive on its own and be useful and provitable for the creator we are now in the market of creating a fodder for the BigCorp
> These smaller models are great, but they really feel like talking to a toddler sometimes!
You're using the toddler and the model wrong. I love talking to my toddler, probably more valuable conversations than I've had with any other person. But it's not the same use case as asking a professor a question in their field
| Gemma 3 270M embodies this "right tool for the job" philosophy. It's a high-quality foundation model that follows instructions well out of the box, and its true power is unlocked through fine-tuning. Once specialized, it can execute tasks like text classification and data extraction with remarkable accuracy, speed, and cost-effectiveness.
huh? I'm saying adding rules and regulations reduces competition yes, by definition it adds barriers to entry. We can argue how high those barriers ought to be.
I think it's actually a fantastic intro to electronics. There's nothing you can really do with "just arduino programming", the whole point is it lets you interface with the real world and therefor encounter electronics problems by default
The article even touches on that in the first hello world
> This simple exercise it by itself incredibly interesting that opened a series of questions:
> Q: Why is a resistor needed? A: High current and increased temperature damage its delicate heterojunction structures, which eventually cause it to burnout
> Q: What happens if the polarity is inverted? A: Similar to a normal diode, current will not flow and the LED will not light up. As long as this reverse power is not high, the LED will not burn and can still be used with correct polarity afterwards
> Q: How to interpret its data sheet? A: There are several interesting aspects its datasheet, like the LED’s wavelength curve, operating current and voltage, etc
I had a look at the document of the kit, and it's like the one I have: it doesn't even explain what is a current and a tension, or what is the relation between resistance, tension and current, althought it is the basic of the basic of electronics
The fact that the author uses the word heterojunction that is at the same time not useful at the first level for a beginner and not used or explained in the document shows that he was either already knowledgeable or spent a lot of time with other ressources to learn.
I'm not saying that these kits are bad, or that nowaday you cannot do many great thing with just an arduino and plug and play components, but they don't teach electronics.
The official arduino starter kit teaches some beginner level information, but it is very rudimentary. It is really hard to penetrate the next level of electronics—electronic engineers will stress the importance of precise calculations where previously I was just used to putting together whatever components I had from a kit, with few caveats.
It was not until I tried buying extra transistors that I realized I didn’t understand anything—-and this was after taking the Georgia Tech introduction to electronics free online course. Suddenly there were data sheets and graphs, and not to mention prices. The Build Your PCB course I found myself similarly in over my head, as it felt geared towards EE’s. But I learned about KiCAD. Maybe I will give Ben Eater another try
I'll let you in on a secret: engineering the world over is mainly about rules of thumb and knowing when you need to actually do some math.
e.g., when I started my EE career, if you wanted to light up a red LED from 5V, you'd put a 330ohm resistor in series. If it was driven from 12V, then you'd use a 1kohm. Standard values that everyone has in inventory and you don't need to think about it. Similar "rules" would apply if you wanted to use an NPN transistor as a switch and so on.
Actual calculations would only come into play if I needed to e.g., make sure that the LED always had a constant 15mA through it whether the drive voltage was 5V or 24V.
I see it more like the goal is to build cool stuff, learning electronics is the happy unintentional side effect as you're exposed to concepts relevant to what you want to do.
e.g. I want to build a cool robot with my kid -> oh why can't you just wire the motors directly to arduino output pins -> oh motors need a lot of current to run ...
(btw have never heard voltage be called tension, TIL)
> (btw have never heard voltage be called tension, TIL)
It's the main word for voltage in french and I checked wiki before posting. It was listed as an alternative to voltage so I kept it, but I should have realized it wasn't common
Hopefully helpful comment: "tension" is sometimes used as an alternative to "voltage" in English, but it's typically only in the case of power delivery. e.g, "high-tension 50kV power lines." I don't think I've ever seen it applied to common control panel voltages like 5V or 24V.
The feedback loop on novel/genuine breakthroughs is too long and the training data is too small.
Another reason is that there's plenty of incentive to go after the majority of the economy which relies on routine knowledge and maybe judgement, a narrow slice actually requires novel/genuine breakthroughs.
really great, would make for a great tower defense style game as well. Start with few resources and learn what each capability can do. Defend against more complex/advanced threats over time.
Is the equipment efficiency meant to capture e.g. using a $1M missile to shoot down a $1k uav/rocket
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