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François Chollet
@fchollet
, 3 tweets, 1 min read Read on Twitter
This is correct -- the touchbar is bad design. I'm still accidentally triggering random actions after 6 months of use. Never used it for anything other than volume / brightness / track control, which was much better with physical keys. Just bad design.
Can't imagine how this passed user testing
The thing is, having a fixed keyboard layout that doesn't change on you and that you can use without looking is a feature. Tactile feedback is a feature. And these are important features!

You can't take important features away without providing any clear value in return
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François Chollet
@fchollet
New release of multi-backend Keras: 2.3.0

github.com/keras-team/ker…

- First release of multi-backend Keras with full TF 2 support
- Continued support for Theano/CNTK
- Will be the last major release of multi-backend Keras

We recommend you switch your Keras code to tf.keras.
Both Theano and CNTK are out of development. Meanwhile, as Keras backends they represent less than 4% of Keras usage. The other 96% of users (of which more than half are already on tf.keras) are better served with tf.keras.

Keras development will focus on tf.keras going forward.
Importantly, we will seek to start developing tf.keras in its own standalone GitHub repository at keras-team/keras in order to make it much easier for 3rd party folks to contribute.

Keras has never been moving faster than now :)
Read 3 tweets
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François Chollet
@fchollet
Humans have vanishingly little innate knowledge about the visual appearance of objects in the world. But we do have heightened sensitivity to certain textures or shapes characteristic of deadly animals (snakes & spiders mostly). This is evolutionarily ancient, not specific to us.
The reasons we have so little innate visual knowledge are interesting. Basically, any visual knowledge involves many bits of information, and has to be encoded via hardwiring connections in the visual cortex (or before). This is an extremely low bandwidth process.
Because it's so slow, it's only applicable for information that is stable over hundreds of millions of years. Very little of the visual world is stable over that time frame (e.g. the visual difference between male & female faces cannot be hardcoded because it changes too quickly)
Read 9 tweets
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François Chollet
@fchollet
If you're having IPO problems, I feel bad for you, Son
The Vision Fund was the ultimate summer child. If WeWork can't IPO at the height of a bull market, good luck going public, or becoming profitable, when the recession hits
Every time SoftBank comes up I remember this extraordinary slide deck
Read 3 tweets

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Talen Lee
@Talen_Lee
#FlagThread

This next flag thread is CITY FLAGS OF AMERICA by STATE

Okay, so today we're not going to do the flag thread, because this one is _really huge_. Today, we're going to talk about how I'm going to do it, and what that means.
My normal resource for this is straight up looking at these things on wikipedia, and that's a great, useful resource but contributed by fans and enthusiasts.

It also presents a problem of scale.
Some states-and-territories have a tiny number of city flags; some have an ENORMOUS number. Obviously. I mean, Wyoming has two major cities! Some places that have like, more people than Iceland, have more cities!
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Price Action Trader
@PAVLeader
I am working on an Amibroker AFL which can scan & give me stocks which are rising for last 5 days on falling volume. If the stock is rising with reduced momentum then it would be an ideal candidate to short on the break of previous day low.

Example IndusindBk
Just translating my ideas into AFL so that I dont need to manually scan 100s of stocks. This AFL can also be customized to scan stocks which r in pull back mode on lower vol after a breakout. This way they r ready to explode up on break of prev day high & vice versa for shorts.
As promised I have added a couple of volume scanners. Please experiment with them & develop your own trading strategy to make the best use of these. With right #priceaction combination these #volume scanners will help find high probability trades.
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Digital Health Futurist 👨‍💻
@ManeeshJuneja
Thanks to @turo I'm renting a #TeslaModel3 during my visit to Silicon Valley - certainly a different experience than traditional #carrental agencies #future #zeroemission #electriccars
Gone to Tesla's HQ in Fremont, California to try the supercharging there. It's supposed to be much faster than before.
I had hoped the Model 3 would charge at the new rate but it didn't happen
Read 51 tweets
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NM
@ByteSizeCapital
Lessons of the market. The thread we promised.
The SV dream of 100s of tokens, each accruing value in their own ecosystems, is dead. Whatever your mental model - a complex theory of velocity (MV=PQ) or the idea of "work tokens" - it's important to realise all tokens ultimately compete on a single playing field:

Currency.
The problem with "ecosystem" tokens deployed on existing blockchains is that they try to innovate on two levels at the same time:

1) Business -> success or failure depends on cash flow and generating profits
2) Currency -> success or failure depends on liquidity and adoption.
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The Prepaid Economy: African Edition
@prepaid_africa
Ok. As per teh overhauled communication plan, here's cutting the news feed off at 50%. This evening's thread, starting in 10, will be on the concept of "concept design". Yesterday's thread for context and continuity
Thread agenda will start with some formal definitions of concept design and a link to the Danish 2007 handbook "What is concept design?", followed by my less formal explanations of when and how its useful, with some examples.
“Concept design is the solution to a problem that has not yet been solved or which so far has been solved unsatisfactorily.” is the essence of the handbook ebst.dk/file/7661/conc… but I'm not satisfied with the explanation given here ptc.com/en/cad-softwar…
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Gary Bernhardt
@garybernhardt
I still occasionally try to use my iPad Pro for more than just watching videos. I estimate my maximum possible speed as about 10% of what it is on a real computer due to unavoidable animation, lack of keyboard shortcuts, and (!) inherent unreliability of web apps I'm forced into.
I imagined a future where I could say `Graph.new(FLIGHTS.map { |f| [f.src_airport, f.dst_airport, f] }).all_paths.select { |p| p.edges.map(&:best_price).sum < 3000 }.sort_by { |p| p.nodes.map(&:country_code).count }.fetch(-1)`.
In English: "What series of flights touches the most countries, with the total price being less than $3,000?" All of the information to answer this has existed in computers since before the web existed, but this kind of query is still impossible in almost every domain.
Read 14 tweets

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