Tutorial by Examples: v

Content interpolated with bracket syntax will be evaluated for code, the output of which is included in your HTML output. title follows the basic pattern for evaluating a template local, but the code in between #{and } is evaluated, escaped, and the result buffered into the output of the template...
Interpolating values is helpful if you need to pass a server-side variable to client-side JavaScript (or other languages that require it). In the case of variables, numbers, strings, and the like, you can pass these types of variables directly into your JavaScript with bracket syntax plus an explan...
This example attempts to create a bucket called 'hello-world' and, as the bucket hello-world has already been created by someone else in S3's global namespace, throws the following exception. Change 'hello-world' to something else to avoid the exception by creating a uniquely named bucket. The new...
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...
TL;DR It basically allows us to simulate real devices and test our apps without a real device. According to Android Developer Documentation, an Android Virtual Device (AVD) definition lets you define the characteristics of an Android Phone, Tablet, Android Wear, or Android TV device that you w...
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...
Bukkit uses an event based system that allows plugin developers to interact with and modify the server and specific actions that occur in the world. Creating an Event Handler Event handlers are methods that get called when their event occurs. They are generally public and void as well as named o...
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...
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...
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...
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...
Each .NET Core component (SDK, Host and Shared Framework) is versioned independently. You can find the version for each of them separately. SDK You can use the --version option to dotnet to see the SDK version. For example: $ ~/dotnet-1.1.1/dotnet --version 1.0.0-preview2-1-003176 dotne...
It's possible to have multiple .NET Core SDKs and Runtimes available on disk. You can select the versions for each separately. To select the version of the SDK to use, use global.json. To select the version of the shared framework to use, target the specified framwork in the .csproj file (or proj...
Validating the Name entered by a User contain the following check Ensure it is not empty Ensure it contain only alphabets, space and/or dot. So, the regular expression for this is ^[A-Z][a-z]*(\.?\s?[A-Z][a-z]*)+$ This means ^ -> Should start with [A-Z] -> the first lette...
Let's take the Range is from 18 to 80. So, to validate, We should check that the age is a positive integer. Then check it should be greater than or equal to 18 and less than or equal to 80. The test to check whether it is a number or not can be performed by a simple regular expression like ^[0-...
Sometimes, we have to take input from users which should contain only alpha numeric characters. For example, lets say a Username system which allow only letters and numbers, Then this can be done with the following Regular Expression ^[a-zA-Z0-9]+$ ^ is restrict the start [a-zA-Z0-9]+ is th...
Minimal example based on PHP manual example found here: http://php.net/manual/en/sockets.examples.php Create a websocket script that listens to Port 5000 Use putty, terminal to run telnet 127.0.0.1 5000 (localhost). This script replies with the message you sent (as a ping-back) <?php set_ti...

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