Tutorial by Examples: u

The sample command can be used to simulate classic probability problems like drawing from an urn with and without replacement, or creating random permutations. Note that throughout this example, set.seed is used to ensure that the example code is reproducible. However, sample will work without expl...
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...
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...
New-S3Bucket -BucketName trevor The Simple Storage Service (S3) bucket name must be globally unique. This means that if someone else has already used the bucket name that you want to use, then you must decide on a new name.
Set-Content -Path myfile.txt -Value 'PowerShell Rocks' Write-S3Object -BucketName powershell -File myfile.txt Uploading files from your local filesystem into AWS S3 is easy, using the Write-S3Object command. In its most basic form, you only need to specify the -BucketName parameter, to indicate ...
Get-S3Object -BucketName powershell | Remove-S3Object -Force Remove-S3Bucket -BucketName powershell -Force In order to remove a S3 bucket, you must first remove all of the S3 objects that are stored inside of the bucket, provided you have permission to do so. In the above example, we are retriev...
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...
(defn x [a b] (* a b)) ;; public function => (x 3 2) ;; 6 => (x 0 9) ;; 0 (defn- y [a b] (+ a b)) ;; private function => (x (y 1 2) (y 2 3)) ;; 15
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);
HTML <div :class="classes"> <input v-model="compValue" type="text" class="form-control" @keydown.enter = 'enter' @keydown.down = 'down' @keydown.up = 'up' @input = "cha...
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: 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);
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...
This example expects an error, as the hello-world bucket already exists and S3 uses a global namespace. New-S3Bucket -BucketName "hello-world" New-S3Bucket : The requested bucket name is not available. The bucket namespace is shared by all users of the system. Please select a dif...

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