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import numpy as np
from scipy.signal import get_window
from scipy.fftpack import fft, fftshift
import math
import matplotlib.pyplot as plt
eps = np.finfo(float).eps

""" 
A4-Part-1: Extracting the main lobe of the spectrum of a window

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/**
 * Draw string in the github contribution calendar.
 * Usage:
 *   1. Create a "snippet" in the Chrome devtool -> Sources -> Snippets (in left sidebar).
 *   2. Visit your github profile page.
 *   3. Modify the string.
 *   4. Run
 *
 * Credit:
 *   - 3x5 font data: https://github.com/fabiopiratininga/oled-font-3x5

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// Remove null or undefine from array items
type NonNullableArray<T> = T extends Array<infer Item> ? Array<NonNullable<Item>> : never;

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type TestType = {
  key: string;
  value: string;
}

export TestType;

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! Swap Alt and Cmd keys.
keycode 37 = Control_L
keycode 133 = Alt_L Meta_L
keycode 64 = Super_L
keycode 108 = Super_R
keycode 134 = ISO_Level3_Shift Multi_key
keycode 105 = Control_R Multi_key
clear Shift
clear Lock
clear Control

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Create React App does not provide watching build mode oficially (#1070).

This script provides watching build mode for an external tool such as Chrome Extensions or Firebase app.

How to Use

Create a React app.

Put the script into scripts/watch.js.

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FROM alpine:3.8

RUN apk update && apk add ca-certificates && rm -rf /var/cache/apk/*

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#!/usr/bin/env python
import os
import re
import praw
import requests
from datetime import datetime
from bs4 import BeautifulSoup
for sub in subs:
  res = requests.get(sub.url)
  if (res.status_code == 200 and 'content-type' in res.headers and

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.Board {
    position: relative;
    margin: 0 auto;
    background-color: #000;
}