bbatsov's profile picture. Hacker. Lover of parentheses. Emacs fanatic. Author of RuboCop, CIDER, Emacs Prelude and Projectile. Maintainer of nREPL. Not the best, but pretty good.

Bozhidar (Bug) Batsov

@bbatsov

Hacker. Lover of parentheses. Emacs fanatic. Author of RuboCop, CIDER, Emacs Prelude and Projectile. Maintainer of nREPL. Not the best, but pretty good.

固定されたツイート

Great news, everyone! This year's "State of CIDER" survey is out! (see docs.google.com/forms/d/e/1FAI…) Please, take the time to share there how you're using CIDER, so we can make it even better! I'd appreciate it if you shared the survey around, so we can get as much input as possible…


Bozhidar (Bug) Batsov さんがリポスト

400 лв. коледни надбавки за полицаите :)

SimeonStavrev's tweet image. 400 лв. коледни надбавки за полицаите :)

Bozhidar (Bug) Batsov さんがリポスト

Мащабен протест. Безобразията не остават без отговор! Пеевски има травма от 2013 г. И затова не понася свободните хора, които се изправят срещу него. Което само ни дава повече енергия, повече кураж, повече увереност. Че държавата може да бъде изчистена от тежкото корупционно…

bozhobg's tweet image. Мащабен протест. Безобразията не остават без отговор!

Пеевски има травма от 2013 г. И затова не понася свободните хора, които се изправят срещу него. 

Което само ни дава повече енергия, повече кураж, повече увереност. Че държавата може да бъде изчистена от тежкото корупционно…
bozhobg's tweet image. Мащабен протест. Безобразията не остават без отговор!

Пеевски има травма от 2013 г. И затова не понася свободните хора, които се изправят срещу него. 

Което само ни дава повече енергия, повече кураж, повече увереност. Че държавата може да бъде изчистена от тежкото корупционно…

I wonder how this will end... Broadcom currently has a P/E of 96, while it was something like 10-12 before the AI boom boosted its growth...

bbatsov's tweet image. I wonder how this will end... Broadcom currently has a P/E of 96, while it was something like 10-12 before the AI boom boosted its growth...

Bozhidar (Bug) Batsov さんがリポスト

Довечера в 18:00 пред Ларгото. Заради липсата на справедливост. Заради бюджет 2026. Заради арогантността към младите лекари и сестри. Заради цялата свинщина, в която превръщат държавата ни.


Did anyone get an iPhone Air? I have a feeling it's probably doing worse in sales even than the iPhone Plus that it replaced. (simply because I haven't seen many (any) of them in the wild)


Somehow I’ve totally missed everybody.codes/event/2025/que… (it’s a coding competition very similar to Advent of Code). Looks like fun!


Bozhidar (Bug) Batsov さんがリポスト

Never have I ever agreed with someone more. ⁦@bbatsov⁩ has exquisite taste and his emacs blogs are amazing. Why I Chose Ruby over Python - (think) batsov.com/articles/2025/…


🚀🚀🚀

Ruby 4.0 this year! Officially!! 🤩 #RubyWorld

rhiannon_io's tweet image. Ruby 4.0 this year! 

Officially!! 🤩 #RubyWorld
rhiannon_io's tweet image. Ruby 4.0 this year! 

Officially!! 🤩 #RubyWorld


It really puzzles me how in 2025 some editors don't ship built-in functionality for things like: - inserting delimiter pairs automatically - surround something with paired delimiters And yeah - #vim and #neovim are probably the most notable offenders here.


+1. It’s not as good as Magit, but it gets pretty close.

Lazygit is exceptionally good software. It's like software's greatest hits. Clear, quick, easy to command, drive-by-keyboard if you want, contrasty, glanceable, peacefully powerful, the list goes on. So impressed. github.com/jesseduffield/…



$KMB (Kimberly-Clark) buying Kenvue (J&J's old consumer products) makes absolutely no sense to me...


One of the use-cases for LLMs that I hate the most is that so many people have started using them for writing feedback (e.g. for peers and reports) and the end results are usually laughably bad. They use fancy and sophisticated language to tell you basically nothing of value.


Oh, well... 😅

bbatsov's tweet image. Oh, well... 😅

One of the odd asymmetries in Vim is that you have the "u" keybinding for "undo", but "C-r" for "redo". I guess "replace" was deemed a more important action, although I'm not sure that's really the case in practice.


Bozhidar (Bug) Batsov さんがリポスト

This is so true

DividendGrowth's tweet image. This is so true

I think any claims that vim keybindings improve productivity are pure fiction (or just wishful thinking), but there's no denying those are a lot of fun. I don't know about you, but when I'm using them I'm always in "golf" mode - thinking of the smartest way to do something.


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