⌘T | go to file |
⌘⌃P | go to project |
⌘R | go to methods |
⌃G | go to line |
⌘KB | toggle side bar |
⌘⇧P | command prompt |
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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 |
This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.
The script is here:
#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"
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def list_to_tree(input, none_and_holes=True, source=[0]): | |
"""Transforms nestings of lists or tuples to a Grasshopper DataTree""" | |
from Grasshopper import DataTree as Tree | |
from Grasshopper.Kernel.Data import GH_Path as Path | |
from System import Array | |
def proc(input,tree,track): | |
path = Path(Array[int](track)) | |
if len(input) == 0 and none_and_holes: tree.EnsurePath(path); return | |
for i,item in enumerate(input): | |
if hasattr(item, '__iter__'): #if list or tuple |
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#!/bin/bash | |
web_service='nginx' | |
config_file="/usr/local/etc/le-renew-webroot.ini" | |
le_path='/opt/letsencrypt' | |
exp_limit=30; | |
if [ ! -f $config_file ]; then | |
echo "[ERROR] config file does not exist: $config_file" |
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# Simple No-ip.com Dynamic DNS Updater | |
# | |
# By Nathan Giesbrecht (http://nathangiesbrecht.com) | |
# | |
# 1) Install binary as described in no-ip.com's source file (assuming results in /usr/local/bin) | |
# 2) Run sudo /usr/local/bin/noip2 -C to generate configuration file | |
# 3) Copy this file noip2.service to /etc/systemd/system/ | |
# 4) Execute `sudo systemctl daemon-reload` | |
# 5) Execute `sudo systemctl enable noip2` | |
# 6) Execute `sudo systemctl start noip2` |
A non-exhaustive list of WebGL and WebGPU frameworks and libraries. It is mostly for learning purposes as some of the libraries listed are wip/outdated/not maintained anymore.
Name | Stars | Last Commit | Description |
---|---|---|---|
three.js | ![GitHub |
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import warnings | |
from skimage.measure import compare_ssim | |
from skimage.transform import resize | |
from scipy.stats import wasserstein_distance | |
from scipy.misc import imsave | |
from scipy.ndimage import imread | |
import numpy as np | |
import cv2 | |
## |
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# Useful to prevent Macbooks to go to sleep when closing the lid instead of running tools that requires a Kernel Extension (e.g. InsomniaX) and more | |
sudo pmset -a sleep 0; sudo pmset -a hibernatemode 0; sudo pmset -a disablesleep 1; | |
# And to go back to normal (for Macbook): | |
sudo pmset -a sleep 1; sudo pmset -a hibernatemode 3; sudo pmset -a disablesleep 0; | |
# If you have desktop, to go back to normal run this: sudo pmset -a sleep 1; sudo pmset -a hibernatemode 25; sudo pmset -a disablesleep 0; |
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