Tutorial by Examples: i

Opening any file NSOpenPanel *openPanel = [NSOpenPanel openPanel]; [openPanel beginWithCompletionHandler:^(NSInteger result) { NSURL *url = openPanel.URL; if (result == NSFileHandlingPanelCancelButton || !url) { return; } // do something with a URL }]; Allowing ope...

Screenshot Adapter Class private class MyAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { final int EMPTY_VIEW = 77777; List<CustomData> datalist = new ArrayList<>(); MyAdapter() { super(); } @Override public RecyclerView.ViewHolder onCreateViewH...

Jsoup can be used to manipulate or extract data from a file on local that contains HTML. filePath is path of a file on disk. ENCODING is desired Charset Name e.g. "Windows-31J". It is optional. // load file File inputFile = new File(filePath); // parse file as HTML document ...

Menus act like all standard control items. They have an action which is the function to be called and a target which is the object to send the function to. If the target is set to an object then when a user selects a menu item it the action method will be sent to the target object. If the menu item ...

first add the OkHttp to the gradle build file of the app module compile 'com.squareup.picasso:picasso:2.5.2' compile 'com.squareup.okhttp:okhttp:2.4.0' compile 'com.jakewharton.picasso:picasso2-okhttp3-downloader:1.0.2' Then make a class extending Application import android.app.Application; ...

Gradle: It is used to make build for any software, it is a Domain specific language used to configure and fulfill all plugins, libraries downloaded from repositories. Use Plugins: Apply plugin: ‘com.android.application’ Plugin is property in key value form. In above statement plugin denotes to...

The var() function allows CSS variables to be accessed. /* set a variable */ :root { --primary-color: blue; } /* access variable */ selector { color: var(--primary-color); } This feature is currently under development. Check caniuse.com for the latest browser support.

Step 1: Create your GitHub account If you already have a GitHub account, please proceed to Step 2. Otherwise, please follow below: 1.a Go to Github page. 1.b Enter your desired username, your email address and then your desired password. Afterwards, click the Sign up for GitHub button. Step 2:...

Note: For brevity, the commands use here-strings (<<<) and ANSI C-quoted strings ($'...'). Both these shell features work in bash, ksh, and zsh. # GNU Sed $ sed '1 a appended text' <<<'line 1' line 1 appended text # BSD Sed (multi-line form) sed '1 a\ appended text'...

Simply add an attribute to the controller action [Route("product/{productId}/customer")] public IQueryable<Product> GetProductsByCustomer(int productId) { //action code goes here } this will be queried as /product/1/customer and productId=1 will be sent to the controll...

In Java, all number primitives are signed. For example, an int always represent values from [-2^31 - 1, 2^31], keeping the first bit to sign the value - 1 for negative value, 0 for positive. Basic shift operators >> and << are signed operators. They will conserve the sign of the value. ...

This example explains the different methods to install Yarn for your OS. macOS Homebrew brew update brew install yarn MacPorts sudo port install yarn Adding Yarn to your PATH Add the following to your preferred shell profile (.profile, .bashrc, .zshrc etc) export PATH="$PATH:`yarn ...

The yarn init command will walk you through the creation of a package.json file to configure some information about your package. This is similar to the npm init command in npm. Create and navigate to a new directory to hold your package, and then run yarn init mkdir my-package && cd my-pa...

// add an item to a menu menu.addItem(item) // remove and item from a menu menu.removeItem(item)

Download and install the Unity Editor from the Unity Download page. Installing Unity using Download Assistant Unity Download Assistant is a small executable program which lets you select which components of the Unity Editor you want to download and install. If you’re not sure which components you...

Design Approaches Driving Factor: What should be our driving engine? Should it be test functions, keywords, data or behavior? Here we list different approaches with examples. Data Driven/Keyword Driven/Hybrid: Code Driven: BDD/TDD/ATDD:

Steps for Getting Started: Download Eclipse Create a Java Maven Project with following example package organization src/test/java com.example.pageobjects com.example.steps com.example.runner src/test/resources Add Cucumber Eclipse Plugin : https://github.com/cucumber/cucumber-eclipse/wik...

SELECT ... WHERE dt >= '2017-02-01' AND dt < '2017-02-01' + INTERVAL 1 MONTH Sure, this could be done with BETWEEN and inclusion of 23:59:59. But, the pattern has this benefits: You don't have pre-calculate the end date (which is often an exact length from the start) You...

The REGEXP (or its synonym, RLIKE) operator allows pattern matching based on regular expressions. Consider the following employee table: +-------------+-------------+-------------+--------------+----------+ | EMPLOYEE_ID | FIRST_NAME | LAST_NAME | PHONE_NUMBER | SALARY | +-------------+----...

In this example, we use the default, no-args GridLayout() constructor to create a layout with a single column. public class SingleColumnGridLayoutExample { private final Display display; private final Shell shell; public SingleColumnGridLayoutExample() { display = new Di...