Ole Algoritme olealgoritme

## The Technical Interview Cheat Sheet.md

      
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                olealgoritme
                / The Technical Interview Cheat Sheet.md
            
            
              Created
              September 7, 2020 17:52
                — forked from tsiege/The Technical Interview Cheat Sheet.md
            
              
                This is my technical interview cheat sheet. Feel free to fork it or do whatever you want with it. PLEASE let me know if there are any errors or if anything crucial is missing. I will add more links soon.
              
          
    ANNOUNCEMENT

I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!


\

  
## ffmpeg-livestream-to-streaming-sites-vaapi-nvenc.md

      
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                olealgoritme
                / ffmpeg-livestream-to-streaming-sites-vaapi-nvenc.md
            
            
              Created
              April 26, 2020 20:35
                — forked from Brainiarc7/ffmpeg-livestream-to-streaming-sites-vaapi-nvenc.md
            
              
                ffmpeg livestreaming to youtube via Nvidia's NVENC and Intel's VAAPI on supported hardware
              
          
    Streaming your Linux desktop to Youtube and Twitch via Nvidia's NVENC and VAAPI:
Considerations to take when live streaming:
The following best practice observations apply when using a hardware-based encoder for live streaming to any platform:


Set the buffer size (-bufsize:v) equal to the target bitrate (-b:v). You want to ensure that you're encoding in CBR mode.


Set up the encoders as shown:


## nvfbc_hack.cpp
// from nvidia-patch hack

#include "pch.h"
#include "nvfbcdefs.h"

#ifdef _WIN64
#define LIBNAME TEXT(".\\NvFBC64_.dll")
#else
#define LIBNAME TEXT(".\\NvFBC_.dll")
#endif

## buffer_overflow_stack_smashing.c
#include <stdio.h>
#include <string.h>

char password[] = "password";

int get_password() {
    int auth_ok = 0;
    char buff[16];

    printf("Enter password: ");

## compile_newest_stable_kernel_with_acso_patch.sh
#!/bin/bash

function install_dependencies() {
	echo "Installing dependencies..."
	sudo apt -qq update
	sudo apt -qq install -y curl git wget
	sudo apt -qq install -y bison flex kernel-package libssl-dev
}

function init() {

## clean-up-boot-partition-ubuntu.md

      
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                olealgoritme
                / clean-up-boot-partition-ubuntu.md
            
            
              Created
              January 23, 2019 00:04
                — forked from ipbastola/clean-up-boot-partition-ubuntu.md
            
              
                Safest way to clean up boot partition - Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64
              
          
    Safest way to clean up boot partition - Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64

Reference
Case I: if /boot is not 100% full and apt is working

1. Check the current kernel version

$ uname -r 


## gist_create.sh
#!/bin/bash
# based on: https://gist.github.com/s-leroux/7cb7424d33ba3753e907cc2553bcd1ba
# modified by: cca
set -u -o pipefail
set_dir(){ _dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"; }; set_dir
safe_source () { source $1; set_dir; }
# end of bash boilerplate

print_usage(){
  cat << USAGE

## huaiwei-unlock.py
#!/usr/bin/python
# -*- coding: utf-8 -*-
import os
import hashlib
import argparse
import binascii
import struct


def encrypt_v1(imei, key):

## udp_checksum.c
uint16_t udp_checksum(struct udphdr *p_udp_header, size_t len, uint32_t src_addr, uint32_t dest_addr)
{
  const uint16_t *buf = (const uint16_t*)p_udp_header;
  uint16_t *ip_src = (void*)&src_addr, *ip_dst = (void*)&dest_addr;
  uint32_t sum;
  size_t length = len;

  // Calculate the sum
  sum = 0;
  while (len > 1)

## LICENCE SUBLIME TEXT
## Sublime Text 3 Serial key build is 3176

> * Added these lines into  /etc/hosts

127.0.0.1       www.sublimetext.com
127.0.0.1       license.sublimehq.com

> * Used the license key

----- BEGIN LICENSE -----
	// from nvidia-patch hack

	#include "pch.h"
	#include "nvfbcdefs.h"

	#ifdef _WIN64
	#define LIBNAME TEXT(".\\NvFBC64_.dll")
	#else
	#define LIBNAME TEXT(".\\NvFBC_.dll")
	#endif
	#include <stdio.h>
	#include <string.h>

	char password[] = "password";

	int get_password() {
	int auth_ok = 0;
	char buff[16];

	printf("Enter password: ");
	#!/bin/bash

	function install_dependencies() {
	echo "Installing dependencies..."
	sudo apt -qq update
	sudo apt -qq install -y curl git wget
	sudo apt -qq install -y bison flex kernel-package libssl-dev
	}

	function init() {
	#!/bin/bash
	# based on: https://gist.github.com/s-leroux/7cb7424d33ba3753e907cc2553bcd1ba
	# modified by: cca
	set -u -o pipefail
	set_dir(){ _dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"; }; set_dir
	safe_source () { source $1; set_dir; }
	# end of bash boilerplate

	print_usage(){
	cat << USAGE
	#!/usr/bin/python
	# -- coding: utf-8 --
	import os
	import hashlib
	import argparse
	import binascii
	import struct


	def encrypt_v1(imei, key):
	uint16_t udp_checksum(struct udphdr *p_udp_header, size_t len, uint32_t src_addr, uint32_t dest_addr)
	{
	const uint16_t buf = (const uint16_t)p_udp_header;
	uint16_t ip_src = (void)&src_addr, ip_dst = (void)&dest_addr;
	uint32_t sum;
	size_t length = len;

	// Calculate the sum
	sum = 0;
	while (len > 1)
	## Sublime Text 3 Serial key build is 3176

	> * Added these lines into /etc/hosts

	127.0.0.1 www.sublimetext.com
	127.0.0.1 license.sublimehq.com

	> * Used the license key

	----- BEGIN LICENSE -----