Tutorial by Examples | RIP Tutorial

NumberBox

Often you will want to have an input box that takes numbers only. Again by deriving from the standard controls this is easily achieved, for example: using System; using System.Windows.Forms; using System.Globalization; namespace StackOverflowDocumentation { public class SONumberBox : SO...

winforms • Inheriting Controls

Creating the pygame window

import pygame background_colour = (255,255,255) # For the background color of your window (width, height) = (300, 200) # Dimension of the window screen = pygame.display.set_mode((width, height)) # Making of the screen pygame.display.set_caption('Tutorial 1') # Name for the window screen.fil...

pygame • Creating a pygame window

Using ajax in vanilla javascript with a simple callback

Here is our function to create a simple ajax call written in vanilla javascript (not es2015): function ajax(url, callback) { var xhr; if(typeof XMLHttpRequest !== 'undefined') xhr = new XMLHttpRequest(); else { var versions = ["MSXML2.XmlHttp.5.0", ...

ajax • Getting started with ajax

One to One Hibernate Mapping

Every Country has one Capital. Every Capital has one Country. Country.java package com.entity; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persist...

hibernate • Mapping associations

Decoding a list of records

The following code can be found in a demo here: https://ellie-app.com/mbFwJT9jD3/0 import Html exposing (..) import Json.Decode exposing (Decoder) payload = """ [{ "id": 0, "name": "Adam Carter", "work": "Uni...

Elm Language • Json.Decode

ETL from web API's with modules json and requests

First, import modules and set connection strings. If you need parameters, you can either put them directly in the URL string (an API in this case) or build them as a dict and pass them to the params argument. import requests import json params = {'id': 'blahblah', 'output': 'json'} # You could ...

python-requests • Sending and receiving JSON

How to share data across multiple devices in Win10 UWP App

To make an app more cohesive, we often need to keep user's personal settings and preferences consistent across multiple devices that have been logged in with one Microsoft account. In this sample, we use roaming data to store and to load UI settings, game process and user info. But the roaming data ...

uwp • Working with Filesystem

Installation using UMD build

A build is also available on npmcdn. You can include the script like this: <script src="https://npmcdn.com/react-router/umd/ReactRouter.min.js"></script> The library will be available globally on window.ReactRouter.

React Router • Getting started with React Router

ways to pass secrets in a container

The not very secure way (because docker inspect will show it) is to pass an environment variable to docker run such as docker run -e password=abc or in a file docker run --env-file myfile where myfile can contain password1=abc password2=def it is also possible to put them in a volume dock...

Docker • passing secret data to a running container

How to connect Realtime database with Android Application

How to implement FirebaseRealTime database in android application. Following is the steps for do it. First install firebase sdk, If you dont know how to install then following is the URL for help. Install Firebase SDK After thet register your project in firbase console, URL of the firbas...

firebase • Firbase Realtime Database with Android

A simple Grid

<Grid> <Grid.RowDefinitions> <RowDefinition/> <RowDefinition/> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition/> <ColumnDefinition/> </Grid.ColumnDefinitions> <Text...

wpf • Grid control

Grid children spanning multiple rows/columns

By using the Grid.RowSpan and Grid.ColumnSpan attached properties, children of a Grid can span multiple rows or columns. In the following example the second TextBlock will span the second and third column of the Grid. <Grid> <Grid.ColumnDefinitions> <ColumnDefinition/&...

wpf • Grid control

Syncing rows or columns of multiple Grids

The row heigths or column widths of multiple Grids can be synchronized by setting a common SharedSizeGroup on the rows or columns to synchronize. Then a parent control somewhere up in the tree above the Grids needs to have the attached property Grid.IsSharedSizeScope set to True. <StackPanel Gri...

wpf • Grid control

Getting Started

Angular's builtin $http service allows us to send HTTP requests. Oftentime, the need arise to do things before or after a request, for example adding to each request an authentication token or creating a generic error handling logic.

AngularJS • HTTP Interceptor

Generic httpInterceptor step by step

Create an HTML file with the following content: <!DOCTYPE html> <html> <head> <title>Angular Interceptor Sample</title> <script src="https://code.angularjs.org/1.5.8/angular.min.js"></script> <script src="app.js"></sc...

AngularJS • HTTP Interceptor

Diacritics

A letter with a diacritic may be represented with the letter, and a combining modifier letter. You normally think of é as one character, but it's really 2 code points: U+0065 — LATIN SMALL LETTER E U+0301 — COMBINING ACUTE ACCENT Similarly ç = c + ¸, and å = a + ˚ combined forms To compl...

unicode • Characters can consist of multiple code points

Zalgo Text

There is this thing called Zalgo Text which pushes this to the extreme. Here is the first grapheme cluster of the example. It consists of 15 code points: the Latin letter H and 14 combining marks. H̡̫̤̤̣͉̤ͭ̓̓̇͗̎̀ Although this doesn't show up in normal text, it shows that a “character” r...

unicode • Characters can consist of multiple code points

Emoji and flags

A lot of emoji consist of more than one code point. 🇯🇵: A flag is defined as a pair of "regional symbol indicator letters" (🇯 + 🇵) 🙋🏿: Some emoji may be followed by a skin tone modifier: 🙋 + 🏿 😀︎ or 😀️: Windows 10 allows you to specify if an emoji is colored or black/white b...

unicode • Characters can consist of multiple code points

PlayerJoinEvent

public class PlayerJoinListener implements Listener { @EventHandler public void onPlayerJoin(PlayerJoinEvent evt) { Player joined = evt.getPlayer(); String joinedName = joined.getName(); //RETRIEVING THE JOIN MESSAGE ALREADY SET String joinMessage = ev...

bukkit • Player Events

PlayerMoveListener

public class PlayerMoveListener implements Listener { @EventHandler public void onPlayerMove(PlayerMoveEvent evt) { Location from = evt.getFrom(); Location to = evt.getTo(); double xFrom = from.getX(); double yFrom = from.getY(); double zFrom ...

bukkit • Player Events