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from mpl_toolkits.mplot3d import Axes3D 
import mpl_toolkits.mplot3d.art3d as art3d


fig = plt.figure()
ax=fig.gca(projection='3d')

for i in ["x","y","z"]:
  circle = Circle((0, 0), 1)
  circle.set_clip_box(ax.bbox)

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import matplotlib.pyplot as plt                                                                                                                                                                     
from mpl_toolkits.mplot3d import Axes3D

xs = [10, 20] 
ys = [1250.0, 250.0]
zs = [1, 2]

fig = plt.figure()
ax  = fig.add_subplot(111, projection = '3d')

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One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

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tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a