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/usr/local/mysql/support-files

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Replacement to another file.

cat DATA.TXT | % { $_ -replace "Mary","Susan" } > newfile.txt

Same file.

cat DATA.TXT | % { $_ -replace "Mary","Susan" }

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sudo ln -s "/Applications/Visual Studio Code.app/Contents/MacOS/Electron" /usr/local/bin/code

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#include <Arduino_FreeRTOS.h>
#include <semphr.h>  // add the FreeRTOS functions for Semaphores (or Flags).
#include <LiquidCrystal.h>
#include "pitches.h"  
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

// Declare a mutex Semaphore Handle which we will use to manage the Serial Port.
// It will be used to ensure only only one Task is accessing this resource at any time.
SemaphoreHandle_t xSerialSemaphore;

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import cv2
import numpy as np
import matplotlib.pyplot as plt

# Load the data, converters convert the letter to a number
data= np.loadtxt("D:\OpenCV\opencv\sources\samples\data\letter-recognition.data", dtype= 'float32', delimiter = ',',
                    converters= {0: lambda ch: ord(ch)-ord('A')})

# split the data to two, 10000 each for train and test
train, test = np.vsplit(data,2)

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gcc -O2 -std=c99 -msse  -lrt -lm test.c -otest
sudo apt-get install linux-headers-$(uname -r) build-essential

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/* CSS declarations go here */
body {
    font-family: sans-serif;
    background-color: #315481;
    background-image: linear-gradient(to bottom, #315481, #918e82 100%);
    background-attachment: fixed;

    position: absolute;
    top: 0;
    bottom: 0;

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Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DirectX]
"InstalledVersion"=hex:00,00,00,09,00,00,00,00
"Version"="4.09.00.0904"

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Disable Chrome Hardware Acceleration

1. Right click on the dock and find a way to get to the package
2. Edit the plist
3. Save this as a new running file.

#!/usr/bin/env bash
cd cd /Applications/Google\ Chrome.app/Contents/MacOS/
./Google\ Chrome --disable-gpu-vsync --blacklist-accelerated-compositing --blacklist-webgl --disable-accelerated-2d-canvas --disable-accelerated-compositing --disable-accelerated-layers --disable-gpu-sandbox --disable-accelerated-video

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void setup() {
// put your setup code here, to run once:</code>

}

void loop() {
// put your main code here, to run repeatedly:

}