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@joshuat
joshuat / Slack avatar-less sidebar.md
Last active January 19, 2021 08:25
Remove the avatars from your slack sidebar

Slack has listened to feedback and given us a way to toggle off the sidebar avatars.

(This only seems to be available in the Beta channel at the moment)

Display or hide profile photos

  1. From your desktop, click your profile picture in the top right.
  2. Select Preferences from the menu.
  3. Click Sidebar in the left-side column.
  4. Check or uncheck the boxes next to Show profile photos next to DMs.
@bbqtd
bbqtd / macos-tmux-256color.md
Last active May 20, 2024 04:07
Installing tmux-256color for macOS

Installing tmux-256color for macOS

  • macOS 10.15.5
  • tmux 3.1b

macOS has ncurses version 5.7 which does not ship the terminfo description for tmux. There're two ways that can help you to solve this problem.

The Fast Blazing Solution

Instead of tmux-256color, use screen-256color which comes with system. Place this command into ~/.tmux.conf or ~/.config/tmux/tmux.conf(for version 3.1 and later):

@jboner
jboner / latency.txt
Last active May 23, 2024 06:51
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD