Joe Armstrong

@joeerl

Writes programs and books. Invents things. Gives talks. Fixes broken software. Hobbies: Stroking cats, playing piano, grumbling, reading, thinking.

Sweden
joearms.github.com
Vrijeme pridruživanja: lipanj 2009.
81 fotografija ili videozapis Fotografije i videozapisi

Tweetovi

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  1. 10. tra 2019.

    Once upon a time my boss asked me to study if we should use C++ or Erlang for a specialist XML parser to be used in a product (for reasons of speed not energy). My recommendations was an FPGA We built an FPGA. Relative speed of C++/Erlang was irrelevant compared to FPGA.

    Should also add that all significant energy gains in the last 50 odd years are result of new hardware NOT software.
    75 replies 216 proslijeđenih tweetova 924 korisnika označavaju da im se sviđa
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  2. 10. tra 2019.

    Should also add that all significant energy gains in the last 50 odd years are result of new hardware NOT software.

    Odgovor korisnicima @emidttun @stevestreeting @FlohOfWoe
    Energy usage is *very* complicated - If you want low energy use VLSI or an FPGA and NOT a programming language - true total lifecycle energy costs are very very difficult to calculate - more of a physics/hardware question than a programming problem.
    40 proslijeđenih tweetova 204 korisnika označavaju da im se sviđa
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  3. 10. tra 2019.

    Oh and I guess I should add relative energy might be interesting - but Absolute Energy in Joules is the important thing to measure. K times 0 is still 0 even if K is huge. Q: How many Joules does it take to transfer 1 GB of data from your machine to Dropbox? - tricky question.

    Odgovor korisnicima @emidttun @stevestreeting @FlohOfWoe
    Energy usage is *very* complicated - If you want low energy use VLSI or an FPGA and NOT a programming language - true total lifecycle energy costs are very very difficult to calculate - more of a physics/hardware question than a programming problem.
    8 proslijeđenih tweetova 45 korisnika označava da im se sviđa
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  4. proslijedio/la je Tweet
    9. tra 2019.
    Odgovor korisnicima

    It'll be huge gains for Pro EU parties as well. It's not just your side that's motivated Andrew.

    2 proslijeđena tweeta 10 korisnika označava da im se sviđa
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  5. 9. tra 2019.

    If the UK took part in EU elections would you vote? RT for larger poll size

    24 proslijeđena tweeta 21 korisnik označava da mu se sviđa
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  6. 9. tra 2019.

    Prediction: Brexit has a long delay Uk will take part in EU elections Lab+con get very low vote Remain + leave parties get very high votes This serves as a proxy referendum Might be wrong but solves many problems

    6 replies 7 proslijeđenih tweetova 43 korisnika označavaju da im se sviđa
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  7. proslijedio/la je Tweet
    9. tra 2019.

    I love home office. The kids have learned that when I'm working in the office with the door closed they can't disturb me. Unless something really important happens, like they see a squirrel out the window, in which case they have to come and get me right away.

    39 proslijeđenih tweetova 336 korisnika označava da im se sviđa
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  8. 7. tra 2019.

    I've been playing with dictation SW on my iPhone etc. Recognition is good, but post editing is bad so I need a lot of voice commands to delete the last word and correct typos etc. Any recommendations?

    5 replies 1 proslijeđeni tweet 20 korisnika označava da im se sviđa
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  9. 7. tra 2019.

    Your majesty will notice that in the first line of her program her loyal subject has put in a module declaration. We do not understand.... I use this technique when rubber duck debugging fails.

    7 replies 62 proslijeđena tweeta 309 korisnika označava da im se sviđa
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  10. 7. tra 2019.

    This is because the design of all sequential programming languages omitted concurrency and left it to the OS.

    Odgovor korisnicima @ErlangSolutions @erlang_org i sljedećem broju korisnika: 7
    I really like how BEAM properties and features map well to the challenges inherent to software systems. So, as a user of BEAM languages, I feel I can solve most of such problems directly in my main language of choice, instead of having to improvise at the OS level.
    39 proslijeđenih tweetova 141 korisnik označava da mu se sviđa
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  11. 6. tra 2019.

    One thing puzzles me. How did they fit the stenographer inside the phone?

    6 proslijeđenih tweetova 21 korisnik označava da mu se sviđa
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  12. 6. tra 2019.

    Prediction. One day computers might become useful

    18 replies 346 proslijeđenih tweetova 1.012 korisnika označava da im se sviđa
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  13. 6. tra 2019.

    Discovered that I can speak tweets by pressing the microphone button and it gets it right most of the time this is amazing and saves a lot of time. well done clever programmers

    4 proslijeđena tweeta 57 korisnika označava da im se sviđa
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  14. 6. tra 2019.

    Not only can you send pictures of cats in tweets you can also speak the tweets and use voice recognition this is amazing. If fact the voice recognition is better than the typing interface. unfortunately it get some big words wrong.

    1 reply 2 proslijeđena tweeta 11 korisnika označava da im se sviđa
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  15. 6. tra 2019.

    Why does my predictive keyboard come up with plain daft suggestions ?

    9 korisnika označava da im se sviđa
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  16. 6. tra 2019.

    Problem solved. I can now add cats 🐈 and carriage returns Like this to my tweets. Amazing but true

    Any idea how to get a carriage return into tweets. Sometimes out of great kindness the iPhone adds a return button to the keyboard - but then it unkindly removes it just when I would like to add a hard carriage return.
    17 korisnika označava da im se sviđa
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  17. 6. tra 2019.

    Any idea how to get a carriage return into tweets. Sometimes out of great kindness the iPhone adds a return button to the keyboard - but then it unkindly removes it just when I would like to add a hard carriage return.

    9 replies 2 proslijeđena tweeta 14 korisnika označava da im se sviđa
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  18. 6. tra 2019.

    I have just discovered that I can send pictures in my tweets and texts. I have no idea if this a good 🍒I suspect it will lead to a lot of ☃️ Probably a silly idea that won’t catch on.

    2 proslijeđena tweeta 33 korisnika označavaju da im se sviđa
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  19. 4. tra 2019.

    One on the disadvantages of having a PhD in computer science is that I get asked really difficult questions. Like - "In gmail on my iPhone I press archive - can I get my mail back?" and "Why have they changed the interface?" Why no easy questions like what's a monad?

    57 replies 664 proslijeđena tweeta 3.708 korisnika označava da im se sviđa
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  20. 4. tra 2019.

    Where are the peer reviewed research papers?

    What exactly are the European Research Group (ERG) researching anyway? They were founded in 1993, so after 26 years, they still haven’t come up with a credible plan for Brexit.
    1 reply 7 korisnika označava da im se sviđa
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