Tutorial by Examples: r

To be able to create a server, you need to have the spigot or the bukkit jar file. Reefer to the versions topic to select your jar First, create a new folder. In that folder, put the spigot/bukkit jar file. Right click in the folder, and choose New > Text Document. Name the new document star...

This can be done in 3 steps : You must define an elixir module which use Ecto.Repo and register your app as an otp_app. defmodule Repo do use Ecto.Repo, otp_app: :custom_app end You must also define some config for the Repo which will allow you to connect to the database. Here is an...

If you have an Ecto.Queryable, named Post, which has a title and an description. You can fetch the Post with title: "hello" and description : "world" by performing : MyRepo.get_by(Post, [title: "hello", description: "world"]) All of this is possible beca...

PHPUnit provides the following function to assert whether an object is an instance of a class: assertInstanceOf($expected, $actual[, $message = '']) The first parameter $expected is the name of a class (string). The second parameter $actual is the object to be tested. $message is an optional ...

After a statement was executed, a call to sqlite3_reset() brings it back into the original state so that it can be re-executed. Typically, while the statement itself stays the same, the parameters are changed: const char *sql = "INSERT INTO MyTable(ID, Name) VALUES (?, ?)"; sqlite3_stmt...

/_build /cover /deps erl_crash.dump *.ez /rel

/// <summary> /// Overrides the onDisconnected function and sets the user object to offline, this can be checked when other players interacts with them... /// </summary> /// <param name="stopCalled"></param> /// <returns></returns&gt...

Containers in the same docker network have access to exposed ports. docker network create sample docker run --net sample --name keys consul agent -server -client=0.0.0.0 -bootstrap Consul's Dockerfile exposes 8500, 8600, and several more ports. To demonstrate, run another container in the same ...

Networks can be specified in a compose file (v2). By default all the containers are in a shared network. Start with this file: example/docker-compose.yml: version: '2' services: keys: image: consul command: agent -server -client=0.0.0.0 -bootstrap test: image: alpine tty...

The docker --link argument, and link: sections docker-compose make aliases to other containers. docker network create sample docker run -d --net sample --name redis redis With link either the original name or the mapping will resolve the redis container. > docker run --net sample --link red...

One to Many mapping is generally simply a bidirectional relationship of Many to One mapping. We will take same example that we took for Many to one mapping. Employee.java @Entity public class Employee { @TableGenerator(name = "employee_gen", table = "id_gen", pkColumnNa...

Exporting data from employees table to /tmp/ca_employees INSERT OVERWRITE LOCAL DIRECTORY '/tmp/ca_employees' SELECT name, salary, address FROM employees WHERE se.state = 'CA'; Exporting data from employees table to multiple local directories based on specific condition The below query shows how ...

Employee Entity @Entity public class Employee { @TableGenerator(name = "employee_gen", table = "id_gen", pkColumnName = "gen_name", valueColumnName = "gen_val", allocationSize = 1) @Id @GeneratedValue(strategy = GenerationType.TABLE, generat...

Employee entity. package com.thejavageek.jpa.entities; import java.util.List; import javax.persistence.CascadeType; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.Joi...

Vim has special operators to match word beginning, word, end, and so forth.\< represents the beginning of a word and \> represents the end of a word. Searching for /\<foo\> in the following text will only return the last foo. football is not foolish foo

defmodule Demo do def foo do 1..10 |> Enum.map(&(&1 * &1)) |> Enum.filter(&rem(&1, 2) == 0) |> pry |> Enum.take(3) end defp pry(e) do require IEx IEx.pry e end end iex(1)> Demo.foo Request to pry #PID<0.117...

The following configuration can be used as a base config for bundling up your project as a library. Notice how the module config contains a list of preLoaders and loaders. // webpack.config.js var path = require('path'); module.exports = { entry: path.join(__dirname, '..', 'src/index.js...

Example code : In main.html <template name="test"> <input type="checkbox" id="checkbox1" name="name" value="data">Check Me {{showData}} </template> In Main.js var check_status=''; //Reactive Var Initialization...

Express router allows you to create multiple "mini apps" so you can namespace your api, public, auth and other routes into separate routing systems. var express = require('express'); var app = express(); var router = express.Router(); router.get('/', function(req, res){ ...

Here's how to create an Express server and serve index.html by default (empty path /), and page1.html for /page1 path. Folder structure project root | server.js |____views | index.html | page1.html server.js var express = require('express'); var path = require('path')...