What is Hackers' Pub?

Hackers' Pub is a place for software engineers to share their knowledge and experience with each other. It's also an ActivityPub-enabled social network, so you can follow your favorite hackers in the fediverse and get their latest posts in your feed.

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한식 레시피에서는 다른 나라 음식 레시피에서는 볼 수 없는 생전 처음 들어보는 단어지만 무슨 느낌인지 대충 이해가는 의성어 기반 표현들이 많이 나와서 재미있음 그런 표현을 읽다보면 머리 속에서 요리과정이 상세하게 심상화되면서 오는 재미가 있다

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Do you have an idle cluster? Can you spare a couple core-years?

Help me bruteforce some test vectors for RSA key generation edge cases!

Here are the instructions, it's just a matter of running a single self-contained cross-compilable Go binary that will report the results autonomously.

gist.github.com/FiloSottile/19

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Do you have an idle cluster? Can you spare a couple core-years?

Help me bruteforce some test vectors for RSA key generation edge cases!

Here are the instructions, it's just a matter of running a single self-contained cross-compilable Go binary that will report the results autonomously.

gist.github.com/FiloSottile/19

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ダイソーのエアポンプを早速分解。
ICのマーキングがないけれどパターンから推測するにU1がコントローラー、U2がHブリッジとするとR4, R5のところに位相をずらしたパルスいれてあげれば任意の周波数・デューティで駆動できるんじゃないかな。
ワンチップじゃなくてよかった。あとでオシロ当てて答え合わせしよう。

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さてハドフで手に入れたモバイルルーターの深くまで探るべく物色していく
型番はCAW20A101
SoCにSnapdragon 215 (X5 Modem)
RAMが1GB、ストレージが8GB
OSは不明だけどAndroid 7か8と見ている
eUICC搭載っぽい?
対応バンドは1, 3, 8, 18, 19, 28, 41 (国内)
技適取得済み 217-204191
仕様では下り150MbpsとなっているのでCAなし、256QAM対応
Wi-Fiは1x1 SISO

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