Skip to content

Instantly share code, notes, and snippets.

@nova77
nova77 / clip_magic.py
Last active October 24, 2023 18:50
copy to clipboard ipython magic
"""
Add copy to clipboard from IPython!
To install, just copy it to your profile/startup directory, typically:
~/.ipython/profile_default/startup/
Example usage:
%clip hello world
# will store "hello world"
@jboner
jboner / latency.txt
Last active June 29, 2024 19:54
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
# Set prefix command to Ctrl-a
set -g prefix C-a
unbind C-b
# Reduce tmux delay for more responsiveness
set -sg escape-time 1
# Window and pane index count starts in 1 rather tan 0
set -g base-index 1
setw -g pane-base-index 1