Tutorial by Examples: e

If you add this to your functions.php it removes the WordPress version number from the RSS feed and the header. function remove_wordpress_ver() { return ''; } add_filter('the_generator', 'remove_wordpress_ver', 999);
var Human = function() { this.canWalk = true; this.canSpeak = true; // }; Person.prototype.greet = function() { if (this.canSpeak) { // checks whether this prototype has instance of speak this.name = "Steve" console.log('Hi, I am ' + this.name); } else{ c...
HTML <div :class="classes"> <input v-model="compValue" type="text" class="form-control" @keydown.enter = 'enter' @keydown.down = 'down' @keydown.up = 'up' @input = "cha...
This macro gives the output of a given line as the first argument of the next line function call. For e.g. (rename-keys (assoc {:a 1} :b 1) {:b :new-b})) Can't understand anything, right? Lets try again, with -> (-> {:a 1} (assoc :b 1) ;;(assoc map key val) (rena...
/// <summary> /// Defines a student. /// </summary> [DataContract] public class Student { /// <summary> /// Gets or sets the student number. /// </summary> [DataMember] public string StudentNumber { get; set; } /// <summary> ///...
Below code represents an example of Opt-Out approach using Serializable and NonSerialized attributes. /// <summary> /// Represents a student. /// </summary> [Serializable] public class Student { /// <summary> /// Gets or sets student number. /// </summary&gt...
This will be our example data frame: df = pd.DataFrame({"color": ['red', 'blue', 'red', 'blue']}, index=[True, False, True, False]) color True red False blue True red False blue Accessing with .loc df.loc[True] color True red True red ...
This will be our example data frame: color name size 0 red rose big 1 blue violet big 2 red tulip small 3 blue harebell small Using the magic __getitem__ or [] accessor. Giving it a list of True and False of the same length as the dataframe will give you: ...
This will be our example data frame: color name size 0 red rose big 1 blue violet small 2 red tulip small 3 blue harebell small Accessing a single column from a data frame, we can use a simple comparison == to compare every element in the column to the given...
This will be our example data frame: color size name rose red big violet blue small tulip red small harebell blue small We can create a mask based on the index values, just like on a column value. rose_mask = df.index == 'rose' df[rose_mask...
Let's consider this example, that outputs the squares of the numbers 3, 5, and 7: let nums = [3, 5, 7] let squares = nums.map(function (n) { return n * n }) console.log(squares) Run in RunKit The function passed to .map can also be written as arrow function by removing the function keywor...
let [x,y, ...nums] = [0, 1, 2, 3, 4, 5, 6]; console.log(x, y, nums); let {a, b, ...props} = {a:1, b:2, c:3, d:{e:4}} console.log(a, b, props); let dog = {name: 'fido', age: 3}; let {name:n, age} = dog; console.log(n, age);
class Mammel { constructor(legs){ this.legs = legs; } eat(){ console.log('eating...'); } static count(){ console.log('static count...'); } } class Dog extends Mammel{ constructor(name, legs){ super(legs); this.name = name; } sleep(){ super...
module.exports = { entry: './src/index', output: { path: __dirname + '/build', filename: 'bundle.js' }, module: { rules: [{ test: /\.tsx?$/, loader: 'ts-loader', exclude: /node_modules/ }] }, res...
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 = { ...
This example will demonstrate how to get started with Firebase in your web apps with JavaScript. We are going to add a text child in our Firebase Database and display it in realtime on our web app. Lets get started. Go to the Firebase Console - https://console.firebase.google.com and create a...
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...
Detailed instructions on getting validation set up or installed.
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...
This is an enumeration for const creation. Go compiler starts iota from 0 and increments by one for each following constant. The value is determined at compile time rather than run time. Because of this we can't apply iota to expressions which are evaluated at run time. Program to use iota in cons...

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