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@peters
peters / Sony WH-1000XM4.md
Last active April 17, 2025 15:53
Connecting Sony WH-1000XM4 to Ubuntu 22.04 (Jammy)

Connecting Sony WH-1000XM4 to Ubuntu 22.04 (Jammy)

This guide will help you connect your Sony WH-1000XM4 headset to Ubuntu 22.04 using Bluetooth. Once connected, you'll be able to listen to music and use the microphone on apps like Microsoft Teams.

1. Connect to Bluetooth Headset

Steps:

  1. Open a terminal and launch bluetoothctl:
@rahularity
rahularity / work-with-multiple-github-accounts.md
Last active April 24, 2025 08:37
How To Work With Multiple Github Accounts on your PC

How To Work With Multiple Github Accounts on a single Machine

Let suppose I have two github accounts, https://github.com/rahul-office and https://github.com/rahul-personal. Now i want to setup my mac to easily talk to both the github accounts.

NOTE: This logic can be extended to more than two accounts also. :)

The setup can be done in 5 easy steps:

Steps:

  • Step 1 : Create SSH keys for all accounts
  • Step 2 : Add SSH keys to SSH Agent
@System-Glitch
System-Glitch / generate_blocks.sh
Last active March 8, 2025 02:10
Tutorial for bitcoin regtest
# Script to generate a new block every minute
# Put this script at the root of your unpacked folder
#!/bin/bash
echo "Generating a block every minute. Press [CTRL+C] to stop.."
address=`./bin/bitcoin-cli getnewaddress`
while :
do
@sappelt
sappelt / bitcoin_connection.py
Created June 1, 2018 16:31
How to establish a connection to the bitcoin manually. Peer discovery + connecting and sending version message
# Import requests and regex library
import requests
import re
def get_external_ip():
# Make a request to checkip.dyndns.org as proposed
# in https://en.bitcoin.it/wiki/Satoshi_Client_Node_Discovery#DNS_Addresses
response = requests.get('http://checkip.dyndns.org').text
# Filter the response with a regex for an IPv4 address

Network partition resistance

For the Bitcoin network to remain in consensus, the network of nodes must not be partitioned. So for an individual node to remain in consensus with the network, it must have at least one connection to that network of peers that share its consensus rules. This document describes how we attempt to achieve this.

We can't rely on inbound peers to be honest, because they are initiated by others. It's impossible for us to know, for example, whether all our inbound peers are controlled by the same adversary.

@cruxrebels
cruxrebels / PowerOfTwoIntegers.cpp
Created April 27, 2016 19:12
Given a positive integer which fits in a 32 bit signed integer, find if it can be expressed as A^P where P > 1 and A > 0. A and P both should be integers. Example Input : 4 Output : True as 2^2 = 4. Tags: InterviewBit Math Problem https://www.interviewbit.com/problems/power-of-two-integers/
bool Solution::isPower(int A) {
if (A<2)
return true;
for (auto i = 2; i<=sqrt(A); ++i)
{
for (auto j = 2; j<=32; ++j)
{
if(pow(i, j)==A)
return true;