Tutorial by Examples: on

Let's see how we can organize the code, when the codebase is getting larger. 01. Functions fn main() { greet(); } fn greet() { println!("Hello, world!"); } 02. Modules - In the same file fn main() { greet::hello(); } mod greet { // By default, everything inside a...

In Strict Mode, functions declared in a local block are inaccessible outside the block. "use strict"; { f(); // 'hi' function f() {console.log('hi');} } f(); // ReferenceError: f is not defined Scope-wise, function declarations in Strict Mode have the same kind of binding as l...

function a(x = 5) { "use strict"; } is invalid JavaScript and will throw a SyntaxError because you cannot use the directive "use strict" in a function with Non-Simple Parameter list like the one above - default assignment x = 5 Non-Simple parameters include - Default a...

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...

(require '[clj-time.core :as t]) (def example-time (t/date-time 2016 12 5 4 3 27 456)) (t/year example-time) ;; 2016 (t/month example-time) ;; 12 (t/day example-time) ;; 5 (t/hour example-time) ;; 4 (t/minute example-time) ;; 3 (t/second example-time) ;; 27

In the following we will install Plesk Onyx on Windows Server (2016) using the Plesk Installer GUI. Preparations For installing Plesk we need a running Windows Server (2012/2016) installation. The Hardware recommendation is a minimum of 2GB RAM and 30GB free disk space. Have a look at the official...

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...

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...

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...

This example shows how to obtain the ancestry of a component using the ClassType and ClassParent properties. It uses a button Button1: TButton and a list box ListBox1: TListBox on a form TForm1. When the user clicks the button, the name of the button’s class and the names of its parent classes are ...

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...

$BucketName = 'trevorrekognition' $FileName = 'kitchen.jpg' New-S3Bucket -BucketName $BucketName Write-S3Object -BucketName $BucketName -File $FileName $REKResult = Find-REKLabel -Region us-east-1 -ImageBucket $BucketName -ImageName $FileName $REKResult.Labels After running the script ab...

$BucketName = 'trevorrekognition' ### Create a new AWS S3 Bucket New-S3Bucket -BucketName $BucketName ### Upload two different photos of myself to AWS S3 Bucket Write-S3Object -BucketName $BucketName -File myphoto1.jpg Write-S3Object -BucketName $BucketName -File myphoto2.jpg ### Perform...

(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);

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...

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...