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#include <QObject>
#include <QTcpServer>
#include <QTcpSocket>

/*
Tcp socket communication example

Note: the signal writeToSocket is used to write into the last opened socket
**/

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Wayland

software that works well in wayland see https://arewewaylandyet.com/

Fix resolution scaling of (some) GTK applications

on KDE select "Scalling themselves" under "X11 legacy applications" on display settings will fix blurring scaling on most of application but some will look strange (small icons and so on), you can fix it by adding

GDK_SCALE=2 GDK_DPI_SCALE=0.5

as envinroment variables to applications that won't scale correctly.

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#!/bin/bash
FILE=hosts.txt
sudo nmap -sP -PR 192.168.137.1/24 -oN $FILE
sed -i '/Host is/d' $FILE
sed -i '/MAC/d' $FILE
sed -i 's/Nmap scan report for//g' $FILE
sort $FILE -o $FILE

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#install it first
sudo apt install arp-scan 

sudo arp-scan --interface enp0s25 -l

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#!/bin/bash
# from http://www.pyimagesearch.com/2016/10/24/ubuntu-16-04-how-to-install-opencv/
 sudo apt-get install build-essential cmake pkg-config libjpeg8-dev libtiff5-dev libjasper-dev libpng12-dev libavcodec-dev libavformat-dev libswscale-dev libv4l-dev libxvidcore-dev libx264-dev libgtk-3-dev libatlas-base-dev gfortran python2.7-dev python3.5-dev -y
wget -O opencv.zip https://github.com/Itseez/opencv/archive/3.1.0.zip

unzip opencv.zip

#contribut packages
wget -O opencv_contrib.zip https://github.com/Itseez/opencv_contrib/archive/3.1.0.zip
unzip opencv_contrib.zip

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#!/bin/bash
# instructions in INSTALL file on repository https://github.com/freedesktop/libqmi/
git clone https://github.com/freedesktop/libqmi/
cd libqmi
git checkout 1.28.2

# get dependencies libraries (Ubuntu)
sudo apt-get install glib-networking libmbim-glib-dev autoconf-archive python

# compilation

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Arrays

1. Introduction
2. Methods
3. Snippets

1. Introduction

An array is an object in javascript. It has useful method to play with

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Enable android debugging over tcp/ip in two steps

• connect the phone to the pc using the usb port
• Enable adb over network in Developer options
• Go to the terminal and look for your phone

adb devices

• and then use the device id that you got:

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#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

@property (weak, nonatomic) IBOutlet UITextField *waterTextField;
@property (weak, nonatomic) IBOutlet UITextField *ratioTextField;
@property (weak, nonatomic) IBOutlet UITextField *coffeeTextField;


- (IBAction)calculateButtonPressed:(id)sender;

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InputMethodManager imm =(InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
imm.toggleSoftInput(InputMethodManager.SHOW_FORCED,0);

/**
 * Also you can add this to the Manifiest file:
 * android:windowSoftInputMode="stateVisible"
 * inside of the <activity> you want
 * /