Mohammad Karbalaee mo-karbalaee

Builder with Getx

when you use the Builder widget, it has its own context, therefore the values inside it won't get updated as you expect. Because they are not part of the Getx's widget tree.

Flutter File Picker

As of the day that I am writing this tip, Feb 2023, Flutter File Dialog works flawlessly in both Android and iOS. If the file_picker package does not work for you then give this one a little try. You will not regret it.

Circle image in Flutter

wrap your image inside a CliRRect and give the BorderRadius.circular("width") to this widget which "width" is the width of the image itself.

Here is an example:

ClipRRect(
  borderRadius: BorderRadius.circular(10),
 child: Image.network(

StateFulBuilder

the variable which the state inside StateFulBuilder is dependant on should be defined outside the builder method of StateFulBuilder. If it is defined inside, It will not have any affect.

Container Color

A container should have either its color specified or its decoration specified. They cannot be mixed up. If you want to use both of them, the trick is to define the color inside BoxDecoration and pass it through the decoration field of your Container.

1st

Going to the study room and doing my work there with full focus and mind control

2nd

Hiding the scrollbar for lists

On iOS 16+ use the code below:

.scrollIndicators(.hidden)

For example:

List {

Okay, let's get your Ruby 2.6.10 updated! Since you're on a Mac, the best way to do this cleanly and manage your Ruby versions effectively is by using a Ruby version manager like rbenv.

Here's a step-by-step guide using rbenv:

1. Install rbenv and ruby-build (if you haven't already):

ruby-build is an rbenv plugin that simplifies the process of installing different Ruby versions.

Open your Terminal.
If you don't have Homebrew installed, install it first:

	[
	{name: 'Afghanistan', code: 'AF'},
	{name: 'Åland Islands', code: 'AX'},
	{name: 'Albania', code: 'AL'},
	{name: 'Algeria', code: 'DZ'},
	{name: 'American Samoa', code: 'AS'},
	{name: 'AndorrA', code: 'AD'},
	{name: 'Angola', code: 'AO'},
	{name: 'Anguilla', code: 'AI'},
	{name: 'Antarctica', code: 'AQ'},

	[
	{
	"code": "AFG",
	"name": "Afghanistan",
	"eu": false
	},
	{
	"code": "ALA",
	"name": "Åland Islands",
	"eu": false

	#!/usr/bin/env bash

	rm -rf "${HOME}/Library/Caches/CocoaPods"
	rm -rf "`pwd`/Pods/"
	pod update

	void main() {
	for (int i = 0; i < 5; i++) {
	print('hello ${i + 1}');
	}
	}