Tutorial by Examples: en

Given that the data directory of the server is empty: The server is initialized. SSL certificate and key files are generated in the data directory. The validate_password plugin is installed and enabled. The superuser account 'root'@'localhost' is created. The password for the superuser is set ...

It is a good practice to add comments that describe the code. It is helpful for others and even for the coder when returned later. A single line can be commented using the % symbol or using the shortkey Ctrl+R. To uncomment a previously commented line remove the % symbol or use shortkey Crtl+T. W...

It may be necessary to nest HTML tags inside of each other. Element interpolation is done in a syntax similar to variable interpolation; square brackets instead of curly braces are used here. The syntax of interpolated HTML elements is identical to the implementation of normal HTML elements. index....

In this example I will be using oauth2 in rest api with redis database Important: You will need to install redis database on your machine, Download it from here for linux users and from here to install windows version, and we will be using redis manager desktop app, install it from here. ...

Use case: just one action which should return a plain (text) content as-is: public function actionAsXML() { $this->layout = false; Yii::$app->response->format = Response::FORMAT_XML; return ['aaa' => [1, 2, 3, 4]];; } Pre-defined response formats are: FORMAT_HTM...

Create Selector for Enable/Disable Menu Item. selector.xml <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:color="@color/white" android:state_enabled="true&q...

strComputer = "." Set objWMIService = GetObject("winmgmts:\\" & strComputer & "\root\cimv2") Set colItems = objWMIService.ExecQuery("Select * from Win32_DesktopMonitor",,48) For Each objItem in colItems WScript.Echo "ScreenHeight: " &am...

To calculate the sum of terms (of type float, int or big integer) of a number list, it is preferable to use List.sum In other cases, List.fold is the function that is best suited to calculate such a sum. Sum of complex numbers In this example, we declare a list of complex numbers and we calcu...

Bukkit uses an event based system that allows plugin developers to interact with and modify the server and specific actions that occur in the world. Creating an Event Handler Event handlers are methods that get called when their event occurs. They are generally public and void as well as named o...

One of the most critical parts of dealing with NMS code is being able to support mulitple Minecraft versions. There are numerous ways to do this, but a simple solution is to use this code to store the version as a public static field: public static final String NMS_VERSION = Bukkit.getServer().getC...

Create a new folder called MyClasses and create and add the following class public class GmailEmailService:SmtpClient { // Gmail user-name public string UserName { get; set; } public GmailEmailService() : base(ConfigurationManager.AppSettings["GmailHost"], Int32.Parse...

Use the GitHub repository to get the entire code: https://github.com/firebase/functions-samples/blob/master/quickstarts/email-users Copy or clone the repository in your computer. Now go to your Firebase Console Create a Firebase Project using the Firebase Console. Enable the Google Provid...

import React, { Component } from 'react'; import ReactDOM from 'react-dom'; interface AppProps { name: string; } interface AppState { words: string[]; } class App extends Component<AppProps, AppState> { constructor() { super(); this.state = { ...

Opening a browser with to() method. import org.openqa.selenium.WebDriver; import org.openqa.selenium.firefox.FirefoxDriver; class navigateWithTo{ public static void main(String[] args) { WebDriver driver = new FirefoxDriver(); driver.navigate().to("http://www.example.com...

Sample Data XML Document First, let's define a sample XML document named "books.xml" in our current directory: <?xml version="1.0" encoding="UTF-8"?> <books> <book> <title>Of Mice And Men</title> <author>Joh...

Each .NET Core component (SDK, Host and Shared Framework) is versioned independently. You can find the version for each of them separately. SDK You can use the --version option to dotnet to see the SDK version. For example: $ ~/dotnet-1.1.1/dotnet --version 1.0.0-preview2-1-003176 dotne...

You can use any name for the function. function custom_postype(){ register_post_type('cus_post',array( 'labels'=>array( 'name'=>'khaiyam'// Use any name you want to show in menu for your users ), 'public'=>true,// **Must required ...

Validating the Name entered by a User contain the following check Ensure it is not empty Ensure it contain only alphabets, space and/or dot. So, the regular expression for this is ^[A-Z][a-z]*(\.?\s?[A-Z][a-z]*)+$ This means ^ -> Should start with [A-Z] -> the first lette...

See this example here. import React, { Component } from 'react'; import { Text, View, StyleSheet, Button, Modal } from 'react-native'; import { Constants } from 'expo'; export default class App extends Component { state = { modalVisible: false, }; _handleButtonPress = () =&gt...

public class RecyclerTouchListener implements RecyclerView.OnItemTouchListener { private GestureDetector gestureDetector; private RecyclerTouchListener.ClickListener clickListener; public RecyclerTouchListener(Context context, final RecyclerView recyclerView, final RecyclerTouchL...