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# (Lines after and before keyword)
grep -A5 -B5 keyword

# Find empty lines
grep -E --line-number --with-filename '^$' file.txt

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Python Obfuscating

python -OO -m py_compile <your program.py>

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Crop frames from a video

-ss start pointer

-t end duration

ffmpeg -ss 00:03:08.000 -i _-AmJTHa0be6Q.mp4 -t 00:00:18.000  ./output/frame%07d.png

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#include <iostream>
#include <string>
#include <curl/curl.h>


static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp)
{
    ((std::string*)userp)->append((char*)contents, size * nmemb);
    return size * nmemb;
}

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WSL 2

Changing default distro

PS wslconfig /setdefault Ubuntu-18.04

Changing default user

PS ubuntu config --default-user username

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Docker

[TOC]

Adding users to Docker group

$ usermod -aG docker user_name

Dockerfile template

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Torch

Describe Torch Tensors

def describe(x):     
  print("Type: {}".format(x.type()))     
  print("Shape/size: {}".format(x.shape))     
  print("Values: \n{}".format(x))

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[Desktop Entry]
Encoding=UTF-8
Version=1.0
Type=Application
Terminal=false
Exec=/path/to/executable
Name=Name of Application
Icon=/path/to/icon

# Store in ~/.local/share/applications

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#include <chrono>
#include <iostream>
#include <thread>

class Timer {
 private:
  std::chrono::time_point<std::chrono::high_resolution_clock> mStart;

 public:
  Timer() { mStart = std::chrono::high_resolution_clock::now(); }

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'''
Adopted from https://stackoverflow.com/questions/19504350/how-to-convert-numbers-to-words-without-using-num2word-library for Turkish
'''

import re


ones = {
    0: '', 1: 'bir', 2: 'iki', 3: 'üç', 4: 'dört', 5: 'beş', 6: 'altı',
    7: 'yedi', 8: 'sekiz', 9: 'dokuz', 10: 'on', 11: 'onbir', 12: 'oniki',