Tutorial by Examples: w

This used the flex layout with the sortable to create a grid of responsive boxes that can be moved around by dragging and dropping. HTML <div id="sortable"> <div>1</div> <div>2</div> <div>3</div> <div>4</div> <div&gt...

This example uses a class on the placeholder to turn it into a line and make it take up no room. HTML <div id="sortable"> <div>1</div> <div>2</div> <div>3</div> <div>4</div> </div> JS $("#sortable&q...

The underlying example is just the one given in the official pyspark documentation. Please click here to reach this example. # the first step involves reading the source text file from HDFS text_file = sc.textFile("hdfs://...") # this step involves the actual computation for reading...

Based on a question. The following snippets Does not cache the expected emission and prevents further calls. Instead it re-subscribes to the realSource for every subscription. var state = 5 var realSource = Rx.Observable.create(observer => { console.log("creating expensive HTTP-based emis...

A version control system allows a developer or development team access to essentially I time machine. If the source code, settings, etc., that were used to build a program or system are under version control then the developers can step back in time to recover lost functionality, trace how errors we...

<?php function wpshout_register_widgets() { register_widget( 'Favorite_Song_Widget'); } add_action( 'widgets_init', 'wpshout_register_widgets' ); class Favorite_Song_Widget extends WP_Widget { function Favorite_Song_Widget() { // Instantiate the parent object parent:...

This is a variation on the generic example. You just need to import your app script and invoke it's run() method in the service's main() function. In this case we're also using the multiprocessing module due to an issue accessing WSGIRequestHandler. import win32serviceutil import win32service imp...

Inside the script, use the first line to store the very first variable (in this example, %1%) with a name to deal with. Example: OpenWithFile = %1% Once you open a file with this script through Windows (Right click on any file on MS Windows and choose 'Open with...' then select the compiled version...

This examples creates a new empty Gui sensible to Drag n' Drop event: Gui, Dropper: New Gui, Dropper: Font, s10 w700 Gui, Dropper: Add, Text, y80 vText1, Drag the files here Gui, Dropper: Show, w200 h200 Center, Dropper return DropperGuiDropFiles: DroppedFile:=A_GuiEvent FileRead, ...

The partition key is the minimum specifier needed to perform a query using a where clause. If you declare a composite clustering key, the order matters. Say you have the following primary key: PRIMARY KEY((part_key1, part_key_2), (clust_key_1, clust_key_2, clust_key_3)) Then, the only valid qu...

First you disable your network card's automatic checksumming: sudo ethtool -K eth1 tx off Then send your packet, using a SOCK_RAW socket: #!/usr/bin/env python from socket import socket, AF_PACKET, SOCK_RAW s = socket(AF_PACKET, SOCK_RAW) s.bind(("eth1", 0)) # We're putting toge...

This is my FirebaseMessagingService public class MyFirebaseMessagingService extends FirebaseMessagingService { Bitmap bitmap; @Override public void onMessageReceived(RemoteMessage remoteMessage) { String message = remoteMessage.getData().get("message"); //imageUri will ...

Returns a list of all drives on a system. MESSAGE OS-DRIVES VIEW-AS ALERT-BOX. Result with four drives, C through F: On Linux the list will simply be empty as there by definitions are no "drives" connected. Listing directories is done in another way (INPUT FROM OS-DIR)

{-# LANGUAGE OverloadedStrings #-} module Main where import Data.Aeson main :: IO () main = do let example = Data.Aeson.object [ "key" .= (5 :: Integer), "somethingElse" .= (2 :: Integer) ] :: Value print . encode $ example

In foo.vala: void main (string[] args) { stdout.printf ("Hello world!"); } To compile the source into the foo binary: valac foo.vala To compile and run the source: vala foo.vala

var foo = new uint8[12]; var bar = (owned) foo; assert (foo == null); The bar variable will own the value previously owned by foo.

Say "Hello", Rails To get Rails saying "Hello", you need to create at minimum a controller and a view. A controller's purpose is to receive specific requests for the application. Routing decides which controller receives which requests. Often, there is more than one route t...

As edgeapi suggests, it provides an interface for protecting attributes from end-user assignment. This makes Action Controller parameters forbidden to be used in Active Model mass assignment until they have been whitelisted. In addition, parameters can be marked as required and flow through a prede...

The connection between the provider of dependencies, @Module, and the classes requesting them through @Inject is made using @Component, which is an interface: import javax.inject.Singleton; import dagger.Component; @Singleton @Component(modules = {VehicleModule.class}) public interface Vehicl...

Create web directory in same folder as the vendor directory. Create index.php file in web directory with contents <?php // web/index.php require_once __DIR__.'/../vendor/autoload.php'; $app = new Silex\Application(); $app->get("/", function () { return "Hello wo...