magicleon94

import 'package:flutter/material.dart';

typedef SnapshotBuilder<T> = Widget Function(AsyncSnapshot<T>);

class SnapshotHelper<T> {
  final AsyncSnapshot<T> snapshot;

  SnapshotHelper._(this.snapshot);

  factory SnapshotHelper.of(AsyncSnapshot snapshot) =>

berkedel

How to solve dyld: Library not loaded: /usr/local/opt/icu4c/lib/libicui18n.60.dylib

brew uninstall --ignore-dependencies node icu4c
brew install node

Geoyi

How to install virtualenv:

Install pip first

sudo apt-get install python3-pip

Then install virtualenv using pip3

sudo pip3 install virtualenv 

marciogranzotto

interface LoginContracts {
  interface View {
    fun showError(message: String)
  }
  
  interface Presenter {
    fun onDestroy()
    fun onLoginButtonPressed(username: String, password: String)
  }
  

paraya3636

// Not object class. AndroidManifest.xml error happen.
class MainApplication : Application() {

    init {
        instance = this
    }

    companion object {
        private var instance: MainApplication? = null

chenjianjx

'''
A python script which starts celery worker and auto reload it when any code change happens.  
I did this because Celery worker's "--autoreload" option seems not working for a lot of people. 
'''

import time
from watchdog.observers import Observer  ##pip install watchdog
from watchdog.events import PatternMatchingEventHandler  
import psutil  ##pip install psutil
import os

lopspower

Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

Download This sample on Google Play Store

danni

from django import forms
from django.contrib.postgres.fields import ArrayField


class ChoiceArrayField(ArrayField):
    """
    A field that allows us to store an array of choices.
    
    Uses Django 1.9's postgres ArrayField
    and a MultipleChoiceField for its formfield.

subfuzion

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

PurpleBooth

Contributing

When contributing to this repository, please first discuss the change you wish to make via issue, email, or any other method with the owners of this repository before making a change.

Please note we have a code of conduct, please follow it in all your interactions with the project.

Pull Request Process

1. Ensure any install or build dependencies are removed before the end of the layer when doing a