Ed Halferty

@ed_halferty

Programmer, obscure music enthusiast, level 1 human mage. Opinions are my own.

San Francisco, CA
Vrijeme pridruživanja: ožujak 2010.

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  1. prije 7 sati

    Git is a great distributed version control system, but if you're only pulling/pushing to github, it benefits from some simple scripts to make it act like a centralized version control system.

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  2. 2. velj

    Clock-Domain-Crossing is the real game in digital circuit design.

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  3. proslijedio/la je Tweet
    2. velj

    I used to wonder why the interfaces on Star Trek are so clunky given that it's centuries in the future, but I guess that's just Enterprise software for you

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    1. velj

    99 smartphones are transported in a handcart to generate virtual traffic jam in Google Maps. Through this activity, it is possible to turn a green street red which has an impact in the physical world by navigating cars on another route!

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    old and busted: OoO processors new hotness: OwO processors

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  6. proslijedio/la je Tweet
    28. sij

    People are underestimating how popular an overnight train from New York to Los Angeles would be.

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    28. sij

    A photo is a mathematical representation of your face.

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    28. sij

    I probably only need 1 or 2 of these capacitors, but they’re 0603 jellybean capacitors so of course you just order 100, might as well. And the Digikey team only has 99 left on that piece of tape but they diligently go to the trouble of cutting and bagging just one off a new reel.

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    3D printed finger extensions by Garyfaycreations Yay or nay?

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  10. 29. sij

    This answer does actually work - also you have to right-click on the HDL block and select "refresh module" after running these commands... And also the "upgrade_ip" command should really be "upgrade_ip [get_ips]"... Sigh...

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  11. 29. sij

    None of these are great for hardware. I like "system"/"subsystem" for hierarchies or "initiator"/"handler" for channels. (I doubt the hardware world at large will change the "master/slave" terminology any time soon though...)

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  12. 28. sij
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  13. 28. sij

    Termites are just hipster ants.

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  14. proslijedio/la je Tweet
    27. sij

    Amazing: a trail of termites (up) and a trail of ants (down), both protected by a row of their soldiers in a stand-off, without fighting. from

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    23. sij

    something highly endearing about public data generated by a hapless C-band SAR earth-observation satellite getting used to detect and locate C-band military air-defence radars anywhere on Earth

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  16. 28. sij

    Whenever I find myself saying that the user needs to "just" do XYZ, I immediately ask the question "But WHAT IF (crazy idea) the user JUST didn't need to? What if we took care of that?" It's shocking how desensitized you can get to bad UX, a reality-check helps.

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  17. 28. sij

    Let's google the error. Result #1: Hmm yes, I guess I just need to run some script commands, because that's how GUI applications work.

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  18. 28. sij

    Every Xilinx Vivado error message I encounter is somehow more cursed than the last.

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  19. 28. sij

    Ouch. Should have maybe looked at the dimensions of the Arty Z7 vs the Pynq before ordering a 3d printed Pynq case for my Z7...

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  20. 27. sij

    A great blog post about interfacing FPGAs with modern LCD displays: Embedded Engineering : Open Source SPI MIPI Bridge with FPGA: Driving IPO...

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