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Installing Postgres via Brew

Pre-Reqs

Brew Package Manager

In your command-line run the following commands:

1. brew doctor
2. brew update

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# Currently the embedded terminal of Jetbrains IDEs does not make use of keybindings defined in terminal/iterm on mac
# Instead yo get the ring bell and output like [C or [D
#
# see: https://intellij-support.jetbrains.com/hc/en-us/community/posts/115000013224-Alt-key-not-working-in-embedded-terminal
#
# to fix it and allow ALT + Arrow in the the IDEs embedded terminal just do the following (depending on wich shell you use)

# If you use zsh
# Add this to ~/.zshrc :
bindkey "\e\eOD" backward-word 

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Two way iframe communication

The main difference between the two pages is the method of sending messages. Recieving messages is the same in both.

Parent

Send messages to iframe using iframeEl.contentWindow.postMessage Recieve messages using window.addEventListener('message')

iframe

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Hardware assisted virtualization and data execution protection must be enabled in the BIOS

http://stackoverflow.com/questions/39684974/docker-for-windows-error-hardware-assisted-virtualization-and-data-execution-p

If the features described are enabled the problem is with Hyper-V that is disabled or Hypervisor agent not running

Open PowerShell as administrator and

a) Enable Hyper-V with

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Download Audio from YouTube

-i - ignore errors

-c - continue

-t - use video title as file name

--extract-audio - extract audio track

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ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

Convert WAV to MP3, mix down to mono (use 1 audio channel), set bit rate to 64 kbps and sample rate to 22050 Hz:

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/*
Copy this into the console of any web page that is interactive and doesn't
do hard reloads. You will hear your DOM changes as different pitches of
audio.

I have found this interesting for debugging, but also fun to hear web pages
render like UIs do in movies.
*/

const audioCtx = new (window.AudioContext || window.webkitAudioContext)()

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// ESC[#A	moves cursor up # lines
// ESC[#B	moves cursor down # lines
// ESC[#C	moves cursor right # spaces
// ESC[#D	moves cursor left # spaces

// Script can be written as is
process.stdout.write("\u001b[2J\u001b[0;0H");

process.stdout.write("\u001b[0;30m");
process.stdout.write("Hello there\n");

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import { Injectable, MiddlewareFunction, NestMiddleware } from '@nestjs/common';
import * as morgan from 'morgan';
import { LoggerService } from './mylogger';

@Injectable()
export class MorganMiddleware implements NestMiddleware {
  constructor(private readonly logger: LoggerService) {}
  resolve(): MiddlewareFunction {
    return morgan('combined', {
      stream: { write: str => this.logger.info(str) },

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# git clone https://github.com/NVlabs/stylegan2
import os
import numpy as np
from scipy.interpolate import interp1d
from scipy.io import wavfile
import matplotlib.pyplot as plt
import PIL.Image
import moviepy.editor

import dnnlib