sansal54

Text(
            "Gradient Text Example",
            style: TextStyle(
              fontSize: 50.0,
              fontWeight: FontWeight.bold,
              foreground: Paint()
                ..shader = const LinearGradient(
                  colors: <Color>[
                    Colors.red,
                    Colors.blue,

sansal54

sudo apt-get install git python3-pip make build-essential libssl-dev libffi-dev python-is-python3 zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev curl
sudo pip3 install virtualenvwrapper

git clone https://github.com/yyuu/pyenv.git ~/.pyenv
git clone https://github.com/yyuu/pyenv-virtualenvwrapper.git ~/.pyenv/plugins/pyenv-virtualenvwrapper
git clone https://github.com/pyenv/pyenv-virtualenv.git ~/.pyenv/plugins/pyenv-virtualenv

echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(pyenv init -)"' >> ~/.bashrc

sansal54

How to create a new user and remove the pi user on a Raspberry Pi

Note: This has been tested in Rasbian Buster released on 2019-06-20

Important: replace jeremy below with whatever username you'd like as your new user.

1. sudo adduser jeremy
   • You will be asked to enter a password
   • When filling out basic information about the user, you may leave it blank

sansal54

1. Go to Sublime Text to: Tools -> Build System -> New Build System 
and put the next lines:

{
    "cmd": ["python3", "-i", "-u", "$file"],
    "file_regex": "^[ ]File \"(...?)\", line ([0-9]*)",
    "selector": "source.python"
}

Then save it with a meaningful name like: python3.sublime-build

sansal54

Assuming flask app is running on http://localhost:5000 with gunicorn and supervisor already setup.

# install nginx and dependencies
	$ sudo apt-get install python3-dev nginx

create a new server block configuration file in Nginx’s sites-available directory named cafe_app13:

	$ sudo nano /etc/nginx/sites-available/cafe_app13

Open up a server block and tell Nginx to listen on the default port 80. We also need to tell it to use this block for requests for our server’s domain name or IP address:

sansal54

Get chat id from Telegram bot	

1- Add the bot to the group.
Go to the group, click on group name, click on Add members, in the searchbox search for your bot like this: @my_bot, select your bot and click add.

2- Send a dummy message to the bot.
You can use this example: /my_id @my_bot
(I tried a few messages, not all the messages work. The example above works fine. Maybe the message should start with /)

sansal54

import 'dart:async';
import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override

sansal54

Raspberry Pi InfluxDB: The solution for IoT Data storage

Raspberry Pi is costeffect linux computer very commonly used for IoT home automation projects.

Here are the 3 problems with conventional databases for IoT data store applications:

• Too much or complex configuration
• Unable to expire data / set retentional policies
• Not tailor made of Time Series Data

sansal54

Option Explicit
'Main Function
Function SpellNumber(ByVal MyNumber)
    Dim Dollars, Cents, Temp
    Dim DecimalPlace, Count
    ReDim Place(9) As String
    Place(2) = " Bin "
    Place(3) = " Milyon "
    Place(4) = " Milyar "
    Place(5) = " Trilyon "

sansal54

import urllib.request

# Generate a bot ID here: https://core.telegram.org/bots#botfather
token = "822598813:AAHfVAjmDU3A6AgLpzbMEVImseo6a9HV5qo"
sansal_chat_id = "595115128"
kadir_chat_id = "936825399"
mymessage = "mesaj123"

url = "https://api.telegram.org/bot822598813:AAHfVAjmDU3A6AgLpzbMEVImseo6a9HV5qo/sendMessage?chat_id=595115128&text=Sansal"