Tutorial by Examples: p

You can create and configure build types in the module-level build.gradle file inside the android {} block. android { ... defaultConfig {...} buildTypes { release { minifyEnabled true proguardFiles getDefaultProguar...

Use this binding to build options for a select item <select data-bind="options: gasGiants"></select> <script type="text/javascript"> var viewModel = { gasGiants: ko.observableArray(['Jupiter', 'Saturn', 'Neptune', 'Uranus']) }; </scri...

a simple example of how to define a custom shape with 2 inlets and 3 outlets. case class TwoThreeShape[-In1, -In2, +Out1, +Out2, +Out3]( in1: Inlet[In1@uncheckedVariance], in2: Inlet[In2@uncheckedVariance], out1: Outlet[Out1@uncheckedVariance], out2: Ou...

Gnuplot is a portable command-line driven graphing utility. This example will show how to setup gnuplot in the various platforms. Windows Download the latest version of the installer from gnuplot site. Run the downloaded file and allow it to run as administrator if requested On the ...

The Help Class encapsulates the HTML Help 1.0 engine. You can use the Help object to show compiled Help files (.chm) or HTML files in the HTML Help format. Compiled Help files provide table of contents, index, search, and keyword links in pages. Shortcuts work only in compiled Help files. You can ge...

HTTP Basic Authentication provides a straightforward mechanism for authentication. Credentials are sent in plain text, and so is insecure by default. Successful authentication proceeds as follows. The client requests a page for which access is restricted: GET /secret The server responds with st...

Case classes provide a copy method that creates a new object that shares the same fields as the old one, with certain changes. We can use this feature to create a new object from a previous one that has some of the same characteristics. This simple case class to demonstrates this feature: case cla...

The idea behind programming to an interface is to base the code primarily on interfaces and only use concrete classes at the time of instantiation. In this context, good code dealing with e.g. Java collections will look something like this (not that the method itself is of any use at all, just illus...

PublishSubject emits to an Observer only those items that are emitted by the source Observable subsequent to the time of the subscription. A simple PublishSubject example: Observable<Long> clock = Observable.interval(500, TimeUnit.MILLISECONDS); Subject<Long, Long> subjectLong = Publi...

This example connects to a Wi-Fi access point with WEP encryption, given an SSID and the password. public boolean ConnectToNetworkWEP(String networkSSID, String password) { try { WifiConfiguration conf = new WifiConfiguration(); conf.SSID = "\"" + networkSSID ...

This example connects to a Wi-Fi access point with WPA2 encryption. public boolean ConnectToNetworkWPA(String networkSSID, String password) { try { WifiConfiguration conf = new WifiConfiguration(); conf.SSID = "\"" + networkSSID + "\""; // Please note th...

The example below describes how to declare three different types of direct dependencies in the app/ module's build.gradle file: android {...} ... dependencies { // The 'compile' configuration tells Gradle to add the dependency to the // compilation classpath and inclu...

To download dependencies, declare the repository so Gradle can find them. To do this, add a repositories { ... } to the app/ module's build.gradle in the top-level file. repositories { // Gradle's Java plugin allows the addition of these two repositories via method calls: jcenter() mavenCe...

In a multi-project gradle build, you can have a dependency with another module in your build. Example: dependencies { // Dependency on the "mylibrary" module from this project compile project(":mylibrary") } The compile project(':mylibrary') line decla...

You can have a dependency with a single jar or multiple jar files. With a single jar file you can add: dependencies { compile files('libs/local_dependency.jar') } It's possible to add a directory of jars to compile. dependencies { compile fileTree(dir: 'libs', include: ['*.jar']...

You can add remote dependencies in Gradle usign this structure: compile 'group:name:version' or this alternative syntax: compile group: 'xxx', name: 'xxxxx', version: 'xxxx' For example: compile 'com.android.support:appcompat-v7:24.1.0' The compile 'com.android.support:appcompat-v7:24.1....

Init array of view controllers which will be managed by UIPageViewController. Add a base view controller class which has property identifier which will be used to identify view controllers when working with UIPageViewController data source methods. Let the view controllers to inherit from that bas...

This demonstrates a non-trivial example of wrapping a C++ dll with Cython. It will cover the following main steps: Create an example DLL with C++ using Visual Studio. Wrap the DLL with Cython so that it may be called in Python. It is assumed that you have Cython installed and can successfully...

The command prompt comes pre-installed on all Windows NT, Windows CE, OS/2 and eComStation operating systems, and exists as cmd.exe, typically located in C:\Windows\system32\cmd.exe On Windows 7 the fastest ways to open the command prompt are: Press Win 𐌎, type "cmd" and then press ...

To get help on a batch file command you can use the built-in help. Open a command prompt (whose executable is cmd.exe) and enter help to see all available commands. To get help for any of these commands, type help followed by the name of the command. For example: help help Will display: Prov...