Tutorial by Examples: in

A named style requires the x:Key property to be set and applies only to elements that explicitly reference it by name: <StackPanel> <StackPanel.Resources> <Style x:Key="MyTextBlockStyle" TargetType="TextBlock"> <Setter Property=&qu...

An implicit style applies to all elements of a given type within scope. An implicit style can omit x:Key since it is implicitly the same as the style's TargetType property. <StackPanel> <StackPanel.Resources> <Style TargetType="TextBlock"> <...

It is common to need a base style that defines properties/values shared between multiple styles belonging to the same control, especially for something like TextBlock. This is accomplished by using the BasedOn property. Values are inherited and then can be overridden. <Style x:Key="BaseText...

page.xml <Page xmlns="http://schemas.nativescript.org/tns.xsd" navigatingTo="navigatingTo"> <Repeater items="{{ myItems }}"> <Repeater.itemTemplate> <Label text="{{ title || 'Downloading...' }}" textWrap="true&quot...

page.xml <Page xmlns="http://schemas.nativescript.org/tns.xsd" navigatingTo="navigatingTo"> <Repeater items="{{ myItems }}"> <Repeater.itemTemplate> <Label text="{{ title || 'Downloading...' }}" textWrap="true&quot...

page.xml <Page xmlns="http://schemas.nativescript.org/tns.xsd" navigatingTo="navigatingTo"> <ListView items="{{ myItems }}" itemTap="listViewItemTap"> <ListView.itemTemplate> <Label text="{{ title || 'Downloading.....

creating-listview.component.html <ListView [items]="countries" (itemTap)="onItemTap($event)"> <template let-country="item" let-i="index"> <StackLayout orientation="horizontal"> <Label [text]='(i + 1) +...

ngfor.component.html <StackLayout> <Label *ngFor="let item of items" [text]="item"></Label> </StackLayout> ngfor.component.ts import { Component } from "@angular/core"; var dataItems = ["data-item 1", "data-item 2&quo...

Basics A Queue is a collection for holding elements prior to processing. Queues typically, but not necessarily, order elements in a FIFO (first-in-first-out) manner. Head of the queue is the element that would be removed by a call to remove or poll. In a FIFO queue, all new elements are inserted a...

To start using FTP with Java, you will need to create a new FTPClient and then connect and login to the server using .connect(String server, int port) and .login(String username, String password). import java.io.IOException; import org.apache.commons.net.ftp.FTPClient; import org.apache.commons.n...

When we attach the !important keyword to a mixin call, the Less compiler will automatically add the !important to all properties that are present within the mixin. For example, consider the below mixin: .set-default-props() { margin: 4px; padding: 4px; border: 1px solid black; font-wei...

Examples of using functions with hotkeys: Hotkey, a, MyFunction ; Calls MyFunction() when a is pressed MyFunction() { MsgBox You pressed %A_ThisHotkey%. } Or: a::MyFunction() MyFunction() { MsgBox You pressed %A_ThisHotkey%. }

This script demonstrates how to receive complicated GUI events from different controls in the same event callback function. We'll be using two ListView controls for that. Now every time an action is detected on one of those ListView controls, we want a precise description of what happened and have ...

If your package isn't only a library, but has a piece of code that can be used either as a showcase or a standalone application when your package is installed, put that piece of code into __main__.py file. Put the __main__.py in the package_name folder. This way you will be able to run it directly ...

Some people recommend that you should apply various tests to a file before attempting to open it either to provide better diagnostics or avoid dealing with exceptions. For example, this method attempts to check if path corresponds to a readable file: public static File getValidatedFile(String path...

It is possible that the client browser does not support Javascript or have Javascript execution disabled, perhaps due to security reasons. To be able to tell users that a script is supposed to execute in the page, the <noscript> tag can be used. The content of <noscript> is displayed whe...

Detailed instructions on getting x++ set up or installed.

Using the Package Manager JDK and/or JRE releases for OpenJDK or Oracle can be installed using the package manager on most mainstream Linux distribution. (The choices that are available to you will depend on the distro.) As a general rule, the procedure is to open terminal window and run the comm...

Let's assume you have a file lyrics.txt which contains the following data: summer has come and passed the innocent can never last wake me up when september ends Read the entire file at a time By using file:read_file(File), you can read the entire file. It's an atomic operation: 1> file:re...

Write one line at a time Open a file with write mode and use io:format/2: 1> {ok, S} = file:open("fruit_count.txt", [write]). {ok,<0.57.0>} 2> io:format(S, "~s~n", ["Mango 5"]). ok 3> io:format(S, "~s~n", ["Olive 12"]). ok 4&gt...