Tutorial by Examples: id

Most kivy apps start with this structure: from kivy.app import App class TutorialApp(App): def build(self): return TutorialApp().run() There is several way to go from here : All the codes below (except example 1 and 3) have the same widget and similar features, but show diffe...

Gradle Setup : build.gradle(Module: app) compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } jackOptions { enabled true } What is the Stream API ? Stream is a new abstract layer introdu...

videoView.setVideoURI(Uri.parse("http://example.com/examplevideo.mp4")); videoView.requestFocus(); videoView.setOnCompletionListener(new MediaPlayer.OnCompletionListener() { @Override public void onCompletion(MediaPlayer mediaPlayer) { } }); videoView.setO...

Starting with Android 3.1 all applications, upon installation, are placed in a stopped state. While in stopped state, the application will not run for any reason, except by a manual launch of an activity, or an explicit intent that addresses an activity ,service or broadcast. When writing system ap...

Override Pagination Style: Every available pagination style can be overridden by creating a new class that inherits from one of the available styles and then alters its parameters: class MyPagination(PageNumberPagination): page_size = 20 page_size_query_param = 'page_size' max_page...

Suppose we have a simple class with validation annotations public class UserDTO { @NotEmpty private String name; @Min(18) private int age; //getters/setters } A controller to check the UserDTO validity. @RestController public class ValidationController { @Reque...

In DRF, serializer validation is run in a specific, undocumented order Field deserialization called (serializer.to_internal_value and field.run_validators) serializer.validate_[field] is called for each field. Serializer-level validators are called (serializer.run_validation followed by seriali...

This example shows how to create a pyramid using borders and 2D transformation methods skewY() and rotate() on pseudo elements. HTML: <div class="pyramid"></div> CSS: .pyramid { width: 100px; height: 200px; position: relative; margin: 50px; } .pyramid::b...

Suppose we have a POJO class User we need to validate. public class User { @NotEmpty @Size(min=5) @Email private String email; } and a controller method to validate the user instance public String registerUser(@Valid User user, BindingResult result); Let's extend the U...

Prerequisites: Java is installed Selenium is extracted in a folder (Contains 2 files, and 1 folder) Follow these steps to set up IntelliJ Idea for Selenium. Click On "New Project". Choose Java < "Hello World" Application Type the name of the Project, and create it....

This is the most basic example, with the easiest calculations. Let's assume your input and kernel are: When you your kernel you will receive the following output: , which is calculated in the following way: 14 = 4 * 1 + 3 * 0 + 1 * 1 + 2 * 2 + 1 * 1 + 0 * 0 + 1 * 0 + 2 * 0 + 4 * 1 6 = 3 * 1 ...

Padding is just a fancy name of telling: surround your input matrix with some constant. In most of the cases the constant is zero and this is why people call it zero padding. So if you want to use a padding of 1 in our original input (check the first example with padding=0, strides=1), the matrix wi...

Now we will apply a strided convolution to our previously described padded example and calculate the convolution where p = 1, s = 2 Previously when we used strides = 1, our slided window moved by 1 position, with strides = s it moves by s positions (you need to calculate s^2 elements less. But in...

Create a new C# script in Unity and replace it's contents with the following using UnityEngine; using System.Collections; public static class UnityAndroidPlugin { }

Create a new Java class in Android Studio and replace it's contents with the following package com.axs.unityandroidplugin; import android.util.Log; import android.widget.Toast; import android.app.ActivityManager; import android.content.Context; public class UnityAndroidNative { } ...

Create a new C# script in Unity and paste these contents using UnityEngine; using System.Collections; public class UnityAndroidPluginGUI : MonoBehaviour { void OnGUI () { } }

In your build.gradle you need to add the below dependencies: debugCompile 'com.squareup.leakcanary:leakcanary-android:1.5.1' releaseCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1' testCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1' In your Application class yo...

Prerequisites you should have fuse installed (https://www.fusetools.com/downloads) you should have done the introduction tutorial in terminal: fuse install android in terminal: uno install Fuse.Views Step 1 git clone https://github.com/fusetools/hikr Step 2 : Add package reference to ...

This example shows how to create a custom presentation transition that is driven by a composite UIDynamicBehavior. We can start by creating a presenting view controller that will present a modal. Swift class PresentingViewController: UIViewController { lazy var button: UIButton = { ...

If you have a multidimensional array like this: [ ['foo', 'bar'], ['fizz', 'buzz'], ] And you want to change it to an associative array like this: [ 'foo' => 'bar', 'fizz' => 'buzz', ] You can use this code: $multidimensionalArray = [ ['foo', 'bar'], ...