Tutorial by Examples: arc

This example will demonstrate the searchable select box in MVC. it uses Ajax to get all records from database as user types the new character. I'll consider Country and its City example to illustrate the functionality of Searchable dropdown box. Code behind is c# with MVC, but its easy to grasp wh...

This example will be how to install from master and will be using @angular/cli as well. Make a new project with @angular/cli: ng new my-master-app If you haven't installed @angular/cli, use this command: npm install -g @angular/cli Install from master: npm install --save @angular/a...

data.service.ts: import { Injectable } from '@angular/core'; import { Http } from '@angular/http'; import 'rxjs/add/operator/map'; @Injectable() export class DataService { constructor(private http: Http) { } fetchData(){ return this.http.get('https://dinstruct-d4b62.firebaseio....

To find the word foo in the file bar : grep foo ~/Desktop/bar To find all lines that do not contain foo in the file bar : grep –v foo ~/Desktop/bar To use find all words containing foo in the end (WIldcard Expansion): grep "*foo" ~/Desktop/bar

Project build.gradle allprojects { repositories { jcenter() // Add this if you use Gradle 4.0+ google() // Add this if you use Gradle < 4.0 maven { url 'https://maven.google.com' } } } ext { archVersion = '1.0.0-alpha5' } Applic...

In order to search for records in nedb, again we need to just pass the json containing the search criteria as a parameter to the find function of db object. db.find({ name: 'bigbounty' }, function (err, docs) { // docs is an array containing documents that have name as bigbounty // If no docu...

In this example we are going to implement spring-data-elasticsearch project to store POJO in elasticsearch. We will see a sample maven project which does the followings: Insert a Greeting(id, username, message) item on elasticsearch. Get All Greeting items which have been inserted. Update a Gr...

In this example we are going to see a maven based spring boot application which integrates spring-data-elasticsearch. Here, we will do the followings and see the respective code segments. Insert a Greeting(id, username, message) item on elasticsearch. Get all items from elasticsearch Update a s...

Using Line Numbers ... and documenting them in case of error ("The importance of seeing Erl") Detecting which line raises an error is a substantial part of any debugging and narrows the search for the cause. To document identified error lines with a short description completes a successf...