Tutorial by Examples: e

You first must create a "Game" object in Phaser. var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: preload, create: create }); In the preload callback function load the image. function preload() { game.load.image('thing', 'assets/thing-image.png'); ...

I am using eclipse here, and you need to add below given dependency to your pom.xml 1.) POM.XML <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://m...

dplyr uses Non-Standard Evaluation(NSE), which is why we normally can use the variable names without quotes. However, sometimes during the data pipeline, we need to get our variable names from other sources such as a Shiny selection box. In case of functions like select, we can just use select_ to u...

Using Select2 in a Bootstrap Modal/PopUp If you are using Bootstrap Modal then be sure that Model tabindex=-1 is removed. $('#targetId').select2({ width: '100%', dropdownParent: $("#myModal") })

How to find documents created 60 seconds ago seconds = 60 gen_time = datetime.datetime.today() - datetime.timedelta(seconds=seconds) dummy_id = ObjectId.from_datetime(gen_time) db.CollectionName.find({"_id": {"$gte": dummy_id}}) If you're in a different timezone, y...

Skeleton of declaring class is: <>:Required []:Optional [private/public/protected/internal] class <Desired Class Name> [:[Inherited class][,][[Interface Name 1],[Interface Name 2],...] { //Your code } Don't worry if you can't understand whole syntax,We'll be get familiar wit...

XSS means cross-site scripting. CodeIgniter comes with XSS filtering security. This filter will prevent any malicious JavaScript code or any other code that attempts to hijack cookie and do malicious activities. To filter data through the XSS filter, use the xss_clean() method as shown below. $data...

SQL injection is an attack made on the database query. In PHP, we use mysql_real_escape_string() function to prevent this along with other techniques but CodeIgniter provides inbuilt functions and libraries to prevent this. We can prevent SQL Injection in CodeIgniter in the following three ways − ...

In production environment, we often do not want to display any error message to the users. It is good if it is enabled in the development environment for debugging purposes. These error messages may contain some information, which we should not show to the site users for security reasons. There are...

CSRF stands for cross-site request forgery. You can prevent this attack by enabling an option in the application/config/config.php file as shown below. $config['csrf_protection'] = TRUE; When you create a form using the form_open() function, it will automatically insert a CSRF token in a hidden ...

// XSS Filtering $data = array( 'name'=> '<script>Abuse Data</script>' ); $data = $this->security->xss_clean($data); // Clean Data // Escaping Queries <?php $username = $this->input->post('username'); $query = 'SELECT * FROM subscribers_tbl ...

strings.Contains fmt.Println(strings.Contains("foobar", "foo")) // true fmt.Println(strings.Contains("foobar", "baz")) // false strings.HasPrefix fmt.Println(strings.HasPrefix("foobar", "foo")) // true fmt.Println(strings.Has...

Don't rely on any user input. user input everything like <script> tag or any javascript alert(); so we have to prevent this all data will no run in our browser. so we have to use xss prevention method to restrict our secure data to kept in hacker hand and also it's developer's responsibility t...

<?php // Setting parameters $time = time(); $values = [7, $time, $time]; // Prints "At 3:50:31 PM on Apr 19, 2015, there was a disturbance on planet 7." $pattern = "At {1, time} on {1, date}, there was a disturbance on planet {0, number}."; $formatter = new Messa...

import com.ibm.icu.text.MessageFormat import java.util.Locale import scala.collection.JavaConverters._ // Outputs "A common message for all options. Selected: (other)" val formatted = new MessageFormat( "{messageCount, plural, one {{aMessage} (one)} other {{aMessage} (othe...

It's relatively easy to parse the command line by hand if you aren't looking for anything too complex: # Naive error checking abort('Usage: ' + $0 + ' site id ...') unless ARGV.length >= 2 # First item (site) is mandatory site = ARGV.shift ARGV.each do | id | # Do something interestin...

With OptionsParser, it's really easy to set up default values. Just pre-populate the hash you store the options in: options = { :directory => ENV['HOME'] } When you define the parser, it will overwrite the default if a user provide a value: OptionParser.new do |opts| opts.on("-d&...

Detailed instructions on getting identityserver4 set up or installed.

Suppose you had an array: pair = ['Jack','Jill'] And a method that takes two arguments: def print_pair (a, b) puts "#{a} and #{b} are a good couple!" end You might think you could just pass the array: print_pair(pair) # wrong number of arguments (1 for 2) (ArgumentError) Si...

The splat operator removes individual elements of an array and makes them into a list. This is most commonly used to create a method that accepts a variable number of arguments: # First parameter is the subject and the following parameters are their spouses def print_spouses(person, *spouses) s...