Tutorial by Examples: o

It is suggested that you define groups based on purpose of the host (roles) and also geography or datacenter location (if applicable): File inventory/production [rogue-server] 192.168.1.1 [atlanta-webservers] www-atl-1.example.com www-atl-2.example.com [boston-webservers] www-bos-1.examp...

Each table view must have a delegate and a data source. Delegate Methods None of the delegate methods are actually required, however you'll need to implement tableView:didSelectRowAtIndexPath: to handle touches on a table cell: And other methods are... // Display customization - (void)tableVi...

Start by downloading the latest stable release from https://hive.apache.org/downloads.html -> Now untar the file with $ tar -xvf hive-2.x.y-bin.tar.gz -> Create a directory in the /usr/local/ with $ sudo mkdir /usr/local/hive -> Move the file to root with $ mv ~/Downloads/hive-2.x.y /...

AppleScript can display dialogs and alerts to the user. Dialogs are for optionally requesting user input. display dialog "Hello World" display alert "Hello World" You can customise the buttons of either using buttons and passing a list of text. display dialog "Hell...

In this example we create a pair of connected sockets and send 4 strings from one to another and print received strings to console. Note, that the number of times we will call send may not be equal to number of times we call recv #include <stdio.h> #include <stdlib.h> #include <str...

SELECT ROWNUM NO FROM DUAL CONNECT BY LEVEL <= 10

Dependency installation ( https://www.npmjs.com/package/gulp-imagemin ) $ npm install --save-dev gulp-imagemin Usage /* * Your other dependencies. */ var imagemin = require('gulp-imagemin'); /* * `gulp images` - Run lossless compression on all the images. */ gulp.task('images', f...

You can create a custom exception and throw them during the execution of your function. As a general practice you should only throw an exception when your function could not achieve its defined functionality. Private Function OpenDatabase(Byval Server as String, Byval User as String, Byval Pwd as S...

BrowserStack uses a device cloud for cross-browser testing. The intent is to allow testing of Selenium scripts on every device possible. { "selenium" : { "start_process" : false, "host" : "hub.browserstack.com", "port" : 80, }, ...

#lang racket (for ([path (in-directory)] #:when (regexp-match? #rx"[.]rkt$" path)) (printf "source file: ~a\n" path)) The #lang line specifies the programming language of this file. #lang racket we are using the baseline, battery-included Racket programming language. O...

This example extends the basic example passing parameters in the route in order to use them in the controller To do so we need to: Configure the parameter position and name in the route name Inject $routeParams service in our Controller app.js angular.module('myApp', ['ngRoute']) .contro...

You can import a single package with the statement: import "path/to/package" or group multiple imports together: import ( "path/to/package1" "path/to/package2" ) This will look in the corresponding import paths inside of the $GOPATH for .go files and ...

// my-feature.module.ts import { CommonModule } from '@angular/common'; import { NgModule } from '@angular/core'; import { MyComponent } from './my.component'; import { MyDirective } from './my.directive'; import { MyPipe } from './my.pipe'; import { MyService } from './my.service...

Generics was introduced in Java in its version (1.)5. These are erased during compilation, so runtime reflection is not possible for them. Generics generate new types parametrized by other types. For example we do not have to create new classes in order to use type safe collection of Strings and Num...

Select * from firm's_address; Select * from "firm's_address";

Say you have a table named table or you want to create a table with name which is also a keyword, You have to include the name table in pair of double quotes "table" Select * from table; Above query will fail with syntax error, where as below query will run fine. Select * from "tab...

Create class and add imports to parse information: import com.google.firebase.database.FirebaseDatabase; import com.google.firebase.database.IgnoreExtraProperties; //Declaration of firebase references private DatabaseReference mDatabase; //Declaration of firebase atributtes public Stri...

To enable a CORS policy across all of your MVC controllers you have to build the policy in the AddCors extension within the ConfigureServices method and then set the policy on the CorsAuthorizationFilterFactory using Microsoft.AspNetCore.Mvc; using Microsoft.AspNetCore.Mvc.Cors.Internal; ... pub...

When publishing Sitecore item programmatically the developer should keep in mind that Sitecore could be configured for several publishing targets, as well that several languages could be defined for item. ID targetDatabaseFieldId = ID.Parse("{39ECFD90-55D2-49D8-B513-99D15573DE41}"); ...

Odoo provides official installers, for various OS types and Openerp/Odoo versions, at the Nightly repository Option 1: manual install from prebuilt installer package (Windows, Linux): Download installer/package of version of your choice for your system ( Windows (.exe), Debian/Ubuntu (.deb), Redh...