Tutorial by Examples: r

GCobol >>SOURCE FORMAT IS FIXED *> *************************************************************** *> Purpose: Demonstration of the SEARCH ALL verb and table SORT *> Tectonics: cobc -x -fdebugging-line searchbinary.cob *> ******************************...

GCobol* GnuCOBOL SORT verb example using standard in and standard out identification division. program-id. sorting. environment division. input-output section. file-control. select sort-in assign keyboard organizat...

When used in an expression out << setprecision(n) or in >> setprecision(n), sets the precision parameter of the stream out or in to exactly n. Parameter of this function is integer, which is new value for precision. Example: #include <iostream> #include <iomanip> #include...

start indexing key is less than keyfield of indexing-record invalid key display "bad start: " keyfield of indexing-record set no-more-records to true not invalid key read indexing previous record at end set no-more-records to true ...

SUBTRACT item-a item-b item-c FROM account-z ROUNDED MODE IS NEAREST-EVEN ON SIZE ERROR DISPLAY "CALL THE BOSS, Account `Z` is OUT OF MONEY" END-DISPLAY PERFORM promisary-processing NOT ON SIZE ERROR PERFORM normal-processing END-SUBTRACT

STOP RUN

TERMINATE report-1 report-2 report-summary

*> Strip off trailing zero bytes STRING c-string DELIMITED BY LOW-VALUE INTO working-store

SUPPRESS PRINTING

UNLOCK filename-1 RECORDS

Detailed instructions on getting operating-system set up or installed.

Selection sort is a sorting algorithm, specifically an in-place comparison sort. It has O(n2) time complexity, making it inefficient on large lists, and generally performs worse than the similar insertion sort. Selection sort is noted for its simplicity, and it has performance advantages over more c...

I used C# language to implement Selection sort algorithm. public class SelectionSort { private static void SortSelection(int[] input, int n) { for (int i = 0; i < n - 1; i++) { var minId = i; int j; for (j = i + 1; j < n; j++...

Initial Setup To use Stripe for handling payments we need to add the following to the composer.json then run composer update: "laravel/cashier": "~6.0" The following line then needs to be added to config/app.php, the service provider: Laravel\Cashier\CashierServiceProvider ...

\documentclass{beamer} When to use the beamer class ? For presentation slides. What are the specificities of this class ? The output is landscape-oriented. The document is separated in "frames" (slides). Simple example Following example was adapted from : sharelatex.com/learn/Beame...

Flower is a web based tool to monitor Celery. To install Flower, we can use pip as follows: pip install flower To run Flower for proj: celery -A proj flower Now, flower is accessible in: http://localhost:5555

There are two options to render components on server: renderToString and renderToStaticMarkup. renderToString This will render React components to HTML on server. This function will also add data-react- properties to HTML elements so React on client won't have to render elements again. import { r...

Observer Pattern's intent is to define a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically. The subject and observers define the one-to-many relationship. The observers are dependent on the subject such that when ...

import React from 'react'; import { Route, IndexRoute } from 'react-router'; import Index from './containers/home'; import App from './components/app'; //for single Component lazy load use this const ContactComponent = () => { return { getComponent: (location, callback)=> { ...

This document explains how to display your GitHub feeds/timeline on your website. Example: A live example is available at: https://newtonjoshua.com GitHub timeline: GitHub provides the public timeline for any user in Atom format. You can view your timeline at: https://github.com/{{GitHub...