Tutorial by Examples: i

var myInteger = 12; // 32-bit number (from -2,147,483,648 to 2,147,483,647) var myLong = 9310141419482; // 64-bit number (from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807) var myFloat = 5.5; // 32-bit floating-point number (decimal) var myDouble = 9310141419482.22; // 64-bit floating-...

Let's first brush up with what are the Instance Variables: They behave more like properties for an object. They are initialized on an object creation. Instance variables are accessible through instance methods. Per Object has per instance variables. Instance Variables are not shared between object...

Creating an Snackbar without the need pass view to Snackbar, all layout create in android in android.R.id.content. public class CustomSnackBar { public static final int STATE_ERROR = 0; public static final int STATE_WARNING = 1; public static final int STATE_SUCCESS = 2; publi...

Detailed instructions on getting graph set up or installed.

DOSKEY macros don't work in a batch script. However, we can use a little workaround. set DOSKEYMacro=echo Hello World %DOSKEYMacro% This script can simulate the macro function. One can also use ampersands(&) to join commands, like $T in DOSKEY. If you want a relatively large "macro&qu...

A pointer to a concrete data type, converted to void *, can be used to pass values to and return results from the thread function. #include <stdio.h> #include <stdlib.h> #include <pthread.h> struct thread_args { int a; double b; }; struct thread_result { ...

Rhas a vast collection of built-in datasets. Usually, they are used for teaching purposes to create quick and easily reproducible examples. There is a nice web-page listing the built-in datasets: https://vincentarelbundock.github.io/Rdatasets/datasets.html Example Swiss Fertility and Socioecono...

There are packages that include data or are created specifically to disseminate datasets. When such a package is loaded (library(pkg)), the attached datasets become available either as R objects; or they need to be called with the data() function. Gapminder A nice dataset on the development of c...

Human Mortality Database Human Mortality Database is a project of the Max Planck Institute for Demographic Research that gathers and pre-process human mortality data for those countries, where more or less reliable statistics is available. # load required packages library(tidyverse) library(ext...

Detailed instructions on getting odoo-10 set up or installed.

Spaghetti code means a code snippet that uses many, and often confusing structures. Such as GOTOs, exceptions and inconsistent code. Examples and Solutions Example A @echo off set /a counter=0 :Loop set /a counter=%counter% + 1 echo %counter% if %counter% equ 10 goto :exit goto :Loop ...

For a convenient way to iterate through an arrayBuffer, you can create a simple iterator that implements the DataView methods under the hood: var ArrayBufferCursor = function() { var ArrayBufferCursor = function(arrayBuffer) { this.dataview = new DataView(arrayBuffer, 0); this.size = a...

Detailed instructions on getting url set up or installed.

Detailed instructions on getting user-interface set up or installed.

An entity represents an object of a game like a player figure or an enemy figure. Since this object does not do much without arms and legs we can add the components to this. To create this system apple has the GKEntity and GKComponent classes. Lets assume we have the following classe for the follow...

Information about vertex attributes can be retrieved with the OGL function glGetProgram and the parameters GL_ACTIVE_ATTRIBUTES and GL_ACTIVE_ATTRIBUTE_MAX_LENGTH. The location of an active shader attribute can be determined by the OGL function glGetAttribLocation, by the index of the attribute. G...

There are various approach to read a excel file. I'll provide a example with file path parameter. You can get various way to read a file at this post. public void ReadExcel(string path) { // Write data in workbook from xls document. XSSFWorkbook workbook = new XSS...

This is a good step by step guide for setting up asp net Identity and Identity server for authorization and authentication. https://docs.microsoft.com/en-us/aspnet/core/security/authentication/identity You can also follow the official docs examples and IdentityServer4 quickstart samples on Github ...

// Import the action types to recognize them import { ACTION_ERROR, ACTION_ENTITIES_LOADED, ACTION_ENTITY_CREATED } from './actions'; // Set up a default state const initialState = { error: undefined, entities: [], loading: true }; // If no state is provided, we take the defa...

Information about active uniforms in a program can be retrieved with the OGL function glGetProgram and the parameters GL_ACTIVE_UNIFORMS and GL_ACTIVE_UNIFORM_MAX_LENGTH. The location of an active shader uniform variable can be determined by the OGL function glGetActiveUniform, by the index of the ...