Tutorial by Examples: the

We'll assume you're doing this in Visual Studio 2015 (VS 2015 Community, in my case). Create an empty Console project in VS. In Project | Properties change the Output Type to Windows Application. Next, use NuGet to add FsXaml.Wpf to the project; this package was created by the estimable Reed Cop...

Presumably, your program will do something. Add your working code to the project in place of Program.fs. In this case, our task is to draw spirograph curves on a Window Canvas. This is accomplished using Spirograph.fs, below. namespace Spirograph // open System.Windows does not automatically o...

You have to create a XAML file that defines the main window that contains our menu and drawing space. Here's the XAML code in MainWindow.xaml: <!-- This defines the main window, with a menu and a canvas. Note that the Height and Width are overridden in code to be 2/3 the dimensions of the...

The XAML file for the spirograph parameters is below. It includes three text boxes for the spirograph parameters and a group of three radio buttons for color. When we give radio buttons the same group name - as we have here - WPF handles the on/off switching when one is selected. <!-- This fi...

namespace Spirograph type MainWindow(app: App, model: Model) as this = inherit MainWindowXaml() let myApp = app let myModel = model let whenLoaded _ = () let whenClosing _ = () let whenClosed _ = () let menuExitHandler _ = System.Wind...

<!-- All boilerplate for now --> <Application xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"> <Application.Resources> </Application.Reso...

Let's say we want to go to the last day of the month, this function will help on it: eom <- function(x, p=as.POSIXlt(x)) as.Date(modifyList(p, list(mon=p$mon + 1, mday=0))) Test: x <- seq(as.POSIXct("2000-12-10"),as.POSIXct("2001-05-10"),by="months") > da...

Let's say we want to go to the first day of a given month: date <- as.Date("2017-01-20") > as.POSIXlt(cut(date, "month")) [1] "2017-01-01 EST"

package main import ( //"k8s.io/kubernetes/pkg/api" "k8s.io/kubernetes/pkg/client/restclient" "log" "os" // unver "k8s.io/kubernetes/pkg/api/unversioned" "k8s.io/kubernetes/pkg/apis/extensions" client &...

Although Catch ex As Exception claims that it can handle all exceptions - there are one exception (no pun intended). Imports System Static Sub StackOverflow() ' Again no pun intended StackOverflow() End Sub Static Sub Main() Try StackOverflow() Catch ex As Exception ...

Create a service- import {EventEmitter} from 'angular2/core'; export class NavService { navchange: EventEmitter<number> = new EventEmitter(); constructor() {} emitNavChangeEvent(number) { this.navchange.emit(number); } getNavChangeEmitter() { return...

As of the C 2011 Standard, listed in §5.1.1.2 Translation Phases, the translation of source code to program image (e.g., the executable) are listed to occur in 8 ordered steps. The source file input is mapped to the source character set (if necessary). Trigraphs are replaced in this step. Contin...

Get a list of themes. $ wp theme list Install the latest version from wordpress.org and activate $ wp theme install twentysixteen --activate Install from a local zip file $ wp theme install ../my-theme.zip Install from a remote zip file $ wp theme install http://s3.amazonaws.com/bucketn...

You can customize the appearance of the TextInputLayout and its embedded EditTextby defining custom styles in your styles.xml. The defined styles can either be added as styles or themes to your TextInputLayout. Example for customizing the hint appearance: styles.xml: <!--Floating label text st...

This one-liner illustrates some of the basic series operations. Before analysing, we'll initiate a block to be manipulated: stuff: [chair lamp table book carpet] Now our one-liner: head insert stuff take back tail stuff There are five operations within this example, and with each of them it...

Go to Xcode and open your project. In your app target, navigate to Capabilities tab. Turn on Background Modes.

Using many ECHO commands to create a batch file: ( echo echo hi, this is the date today echo date /T echo echo created on %DATE% echo pause >nul )>hi.bat The command interpreter treats the whole section in parenthesis as a single command, then saves all the output to hi.bat. ...

Code function add_the_theme_page(){ add_menu_page('Theme page title', 'Theme menu label', 'manage_options', 'theme-options', 'page_content', 'dashicons-book-alt'); } add_action('admin_menu', 'add_the_theme_page'); function page_content(){ echo '<div class="wrap"><h2&...

Code add_action('admin_menu', 'register_my_custom_submenu_page'); function register_my_custom_submenu_page() { add_submenu_page( 'tools.php', 'Submenu Page', 'My Custom Submenu Page', 'manage_options', 'my-custom-submenu-page', 'my_cust...

library(tidyr) ## example data df <- read.table(text =" numbers firstName secondName 1 1 1.5862639 0.4087477 2 2 0.1499581 0.9963923 3 3 0.4117353 0.3740009 4 4 -0.4926862 0.4437916", header = T) df # numbers firstName secondName # 1 ...