Forwarded from Hacker News (yahnc_bot)
The Unexpected Importance of the Trailing Slash https://tookmund.com/2022/04/importance-of-the-trailing-slash
Tookmund
The Unexpected Importance of the Trailing Slash
For many using Unix-derived systems today, we take for granted
that /some/path and /some/path/ are the same.
Most shells will even add a trailing slash for you when you press the Tab key
after the name of a directory or a symbolic link to one.
that /some/path and /some/path/ are the same.
Most shells will even add a trailing slash for you when you press the Tab key
after the name of a directory or a symbolic link to one.
阅读 RFC 感想：
需要建立一个双向 RFC Reference Index
经常 Enhancement in random RFC out of nowhere
需要建立一个双向 RFC Reference Index
经常 Enhancement in random RFC out of nowhere
Forwarded from Hacker News (yahnc_bot)
Reverse-engineering the LM185 voltage reference chip and its bandgap reference https://www.righto.com/2022/04/reverse-engineering-lm185-voltage.html
Righto
Reverse-engineering the LM185 voltage reference chip and its bandgap reference
Many circuits, such as a computer power supply or a phone charger, require a stable voltage reference, but it's harder than you might expec...
Forwarded from Hacker News (yahnc_bot)
OpenSSH now uses hybrid post-quantum streamlined NTRU Prime X25519 by default https://www.openssh.com/txt/release-9.0
Forwarded from Hacker News (yahnc_bot)
Achievement unlocked: rustc segfault https://gist.github.com/luqmana/be1af5b64d2cda5a533e3e23a7830b44
Gist
Inline Assembly Miscompilation.md
GitHub Gist: instantly share code, notes, and snippets.
Forwarded from Hacker News (yahnc_bot)
A new heat engine with no moving parts is as efficient as a steam turbine https://news.mit.edu/2022/thermal-heat-engine-0413
MIT News
A new heat engine with no moving parts is as efficient as a steam turbine
Engineers at MIT and NREL have developed a heat engine with no moving parts that is as efficient as a steam turbine.
Forwarded from Hacker News (yahnc_bot)
U+237C ⍼ Right Angle with Downwards Zigzag Arrow https://ionathan.ch/2022/04/09/angzarr.html
⟨λ. closure ahead⟩
U+237C ⍼ RIGHT ANGLE WITH DOWNWARDS ZIGZAG ARROW
Forwarded from Hacker News (yahnc_bot)
What Flips Your Bit: Cosmic Ray Errors at Mozilla https://blog.mozilla.org/data/2022/04/13/this-week-in-glean-what-flips-your-bit/
Data@Mozilla
This Week in Glean: What Flips Your Bit?
(“This Week in Glean'' is a series of blog posts that the Glean Team at Mozilla is using to try to communicate better about our work. They could be release ...
喵喵小喵喵 via @pixiv_net_bot
Forwarded from Hacker News (yahnc_bot)
Let’s Encrypt Receives the Levchin Prize for Real-World Cryptography https://letsencrypt.org/2022/04/13/receiving-the-levchin-prize.html
letsencrypt.org
Let’s Encrypt Receives the Levchin Prize for Real-World Cryptography
On April 13, 2022, the Real World Crypto steering committee presented the Max Levchin Prize for Real-World Cryptography to Let’s Encrypt. The following is the speech delivered by our Executive Director, Josh Aas, upon receiving the award. We’d like to thank…
Forwarded from Hacker News (yahnc_bot)
Apple's M1 Ultra comes with a 32MB TLB bottleneck https://twitter.com/VadimYuryev/status/1514295682777059329
Twitter
Vadim Yuryev
Exclusive: Apple's M1 family of chips comes with a design limitation that was overlooked by Apple engineers when they started working on the chips 5-7 years ago. The bottleneck is the 32MB TLB. Thank you to @hishnash for the help in explaining how it works.…
Hacker News
Apple's M1 Ultra comes with a 32MB TLB bottleneck https://twitter.com/VadimYuryev/status/1514295682777059329
想了半天没想明白 32MB Translation Look-aside buffer 是什么
然后一读，是 Transaction Look-aside buffer
然后一读，是 Transaction Look-aside buffer