jorwan

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jorwan

Setting window bar title background color

  // Set window bar title background to transparent
  base.Window.TitlebarAppearsTransparent = true;

  // Set window background color to 5A5C5C
  base.Window.BackgroundColor = NSColor.FromRgb(88 / 255f, 86 / 255f, 86 / 255f);

jorwan

Python Notes

Source

Curso Django 2.1 - 01. Introducción e instalación de requisitos

• https://www.youtube.com/watch?v=5ZU73gGP-sk

Install pip (python package manager)

Download the next link https://bootstrap.pypa.io/get-pip.py

jorwan

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jorwan

/*
 *  Author: Jorge Wander Santana Urena 
 *  Goal: Screen with page view & bottom pagination to change current page
 **/

// Import material package to use UI
import 'package:flutter/material.dart';

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

jorwan

/*
 * Developer: Jorge Wander Santana Urena
 * Designer: David Rivera
 */
import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  @override

jorwan

/*
  Author: Jorge Wander Santana Urena
  Goal: Paint a Tree View of Checkbox List
  Source: https://gist.github.com/jorwan/abcf91068b7a910ac3388b399b1bb71f
*/

import 'package:flutter/material.dart';

main() {
  final data = {

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/*
 * Goal: Remove property with null values and null values from list
 * Author: Jorge Wander Santana Urena
 * Source: https://gist.github.com/jorwan/52902870f633da8959a39353e96fac25
 **/

final data = 
  {
    "name": "Carolina Ratliff",
    "company": null,

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import 'package:flutter/material.dart';

import 'dart:async';
import 'dart:math' as math;

import 'package:flutter/rendering.dart';
import 'package:flutter/services.dart';
import 'package:flutter/widgets.dart';

void main() {

jorwan

void main() => print(List.generate(10, (i) => i).chunk(3));

extension ListChunkerExtension on List {
  List chunk(int chunkLength) {
    if ((chunkLength ?? 0) <= 0 || (this ?? []).length == 0)
      return this;
    var chunks = [];
    for (var i = 0; i < this.length; i += chunkLength) {
      chunks.add(this.sublist(
          i, i + chunkLength > this.length ? this.length : i + chunkLength));