Tutorial by Examples: r

This example contains over 1000 lines of code in total (too much to be embedded here). For that reason all code is accessible on http://blockbuilder.org/SumNeuron/956772481d4e625eec9a59fdb9fbe5b2 (alternatively hosted at https://bl.ocks.org/SumNeuron/956772481d4e625eec9a59fdb9fbe5b2). Note the bl.oc...

To show the value of making generalized functions like those in the previous example (make_title, make_axes, make_buttons, etc), consider this box and whisker chart: https://bl.ocks.org/SumNeuron/262e37e2f932cf4b693f241c52a410ff While the code for making the boxes and whiskers is more intensive tha...

https://bl.ocks.org/SumNeuron/7989abb1749fc70b39f7b1e8dd192248

Registering items is done from your main mod class, or a ModItems class method invoked from the main mod class during preInit. Item item = new CustomItem(); string registryname = "my_item"; item.setRegistryName(registryname); item.setUnlocalizedName(item.getRegistryName().toString()); ...

You must have 3.2 to be able to upgrade to 3.4. This example assumes you are using apt. sudo service mongod stop sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6 echo "deb [ arch=amd64,arm64 ] http://repo.mongodb.org/apt/ubuntu xeni...

Some programming languages have its own Regex peculiarities, for example, the $+ term (in C#, Perl, VB etc.) which replaces the matched text to the last group captured. Example: using System; using System.Text.RegularExpressions; public class Example { public static void Main() { ...

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...

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...