Tutorial by Examples: and

Jinja2 installation and setup

Install the dependencies: pip install jinja2 Install a framework: pip install flask Create the following structure ├── run.py └── templates Put a file template.html in the templates directory. The file can contain a jinja 2 variable named my_string. <!DOCTYPE html> <html lang=&qu...

jinja2 • Getting started with jinja2

Using JavaScript and Stylesheets in Sections

Each section can can contain JavaScript and Stylesheets, these two languages are used within liquid tags: {% javascript %}{% endjavascript %} & {% stylesheet %}{% endstylesheet %}. When placing code inside of these two tags, Shopify compiles each piece into shopify_compiled.js & shopify_com...

Shopify • Implementing Sections

UnityAndroidPlugin.cs

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

unity3d • Android Plugins 101 - An Introduction

UnityAndroidNative.java

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 { } ...

unity3d • Android Plugins 101 - An Introduction

UnityAndroidPluginGUI.cs

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

unity3d • Android Plugins 101 - An Introduction

Setting the Origin and Direction of the Raycaster

The raycaster has an origin, where its ray starts, and a direction, where the ray goes. The origin of the raycaster is at the raycaster entity’s position. We can change the origin of the raycaster by setting the position component of the raycaster entity (or parent entities of the raycaster entity)...

aframe • Raycasters (component)

limit, skip, sort and count the results of the find() method

Similar to aggregation methods also by the find() method you have the possibility to limit, skip, sort and count the results. Let say we have following collection: db.test.insertMany([ {name:"Any", age:"21", status:"busy"}, {name:"Tony", age:"...

MongoDB • Querying for Data ( Getting Started )

Implementing a Leak Canary in Android Application

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...

Android • Leakcanary

hikr app, just another android.view.View

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 ...

Android • Adding a FuseView to an Android Project

Webpack and Jest

Jest is used by Facebook to test all JavaScript code including React applications. One of Jest's philosophies is to provide an integrated "zero-configuration" experience. We observed that when engineers are provided with ready-to-use tools, they end up writing more tests, which in turn res...

Web Component • Testing Web Components

Deleting an existing folder and creating a new Folder

Methods used: .DeleteFolder(FileSpec, Force (True/False)) .CreateFolder(Path) .DeleteFile(FileSpec, Force (True/False)) The following example illustrates the Deletion and creation of a folder using the methods "DeleteFolder" and "CreateFolder". Code: Dim strFolderPath, ob...

vbscript • FileSystem Objects

Compile and Run Kotlin Code in Command Line

As java provide two different commands to compile and run Java code. Same as Kotlin also provide you different commands. javac to compile java files. java to run java files. Same as kotlinc to compile kotlin files kotlin to run kotlin files.

Kotlin • Getting started with Kotlin

Executing Commands Directly

Redis-py provides the execute_command method to directly invoke Redis operations. This functionality can be used to access any modules that may not have a supported interface in the redis-py client. For example, you can use the execute_command to list all of the modules loaded into a Redis server:...

redis • Connecting to redis using Python

The difference between EQ and EQL

EQ checks if two values have the same address of memory: in other words, it checks if the two values are are actually the same, identical object. So, it is can be considered the identity test, and should be applied only to structures: conses, arrays, structures, objects, typically to see if you ...

common-lisp • Equality and other comparison predicates

Comparison operators on characters and strings

Common Lisp has 12 type specific operators to compare two characters, 6 of them case sensitives and the others case insensitives. Their names have a simple pattern to make easy to remember their meaning: Case SensitiveCase InsensitiveCHAR=CHAR-EQUALCHAR/=CHAR-NOT-EQUALCHAR<CHAR-LESSPCHAR<=CHA...

common-lisp • Equality and other comparison predicates

Encryption and decryption

Foreword This is a detailed example about how to encrypt and decrypt data with Go. The uses code is shorten, e.g. the error handling is not mentioned. The full working project with error handling and user interface could be found on Github here. Encryption Introduction and data This example de...

Go • Cryptography

Listening for Child Elements Being Attached and Detached

We can use the child-attached and child-detached events to listen for when the scene attaches or detaches an entity: entity.addEventListener('child-attached', function (evt) { if (evt.detail.el.tagName.toLowerCase() === 'a-box') { console.log('a box element has been attached'); }; }); ...

aframe • Entities

Separation of Logic and Data

Systems can help separate logic and behavior from data if desired. We let systems handle the heavy lifting, and components only worry about managing its data through its lifecycle methods: AFRAME.registerSystem('my-component', { createComplexObject: function (data) { // Do calculations ...

aframe • System

Accessing a Component’s Members and Methods

A component’s members and methods can be accessed through the entity from the .components object. Look up the component from the entity’s map of components, and we’ll have access to the component’s internals. Consider this example component: AFRAME.registerComponent('foo', { init: function () { ...

aframe • Components

Preloading Audio and Video

Audio and video assets will only block the scene if we set autoplay or if we set preload="auto": <a-scene> <a-assets>  <audio src="blockus.mp3"></audio> <video src="loadofblocks.mp4">&...

aframe • Asset Management System