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Heroku officially supports buildpacks for Ruby, Node.js, Clojure, Python, Java, Gradle, Grails, Scala, Play, PHP and Go. Buildpacks are automatically detected by Heroku in the above order, however, it can also be set manually through CLI using: At the time of app creation heroku create <a...

Instalation Dependencies Hue installation process details are not available for most operating systems, so depending on the OS, there might be variations on the dependencies you need to install prior to executing the install script provided in the installation package: CentOS sudo yum install ant...

As we knew, WebRTC is all based on the JavaScript development and coding and for more information and examples please refer here and here. And now, let me show you a very simple example to use getUserMedia(); For what getUserMedia() is used? getUserMedia() is used to get the user/visitor's camera...

In this example we will make use of Redux and React Redux modules to handle our application state and for auto re-render of our functional components., And ofcourse React and React Dom You can checkout the completed demo here In the example below we have three different components and one connecte...

Analog pins can be used to read voltages which is useful for battery monitoring or interfacing with analog devices. By default the AREF pin will be the same as the operating voltage of the arduino, but can be set to other values externally. If the voltage to read is larger than the input voltage, a ...

In the versions of YII Framework Version 1. You will set your main.php File. File Path : application_name/protected/config/main.php <?php return array( // Set Application Name 'name' => "Applicaiton Name", // Set Default Controller 'defaultC...

create() write() search() browse() exists() ref() ensure_one()

if a directory contain 2 files: $ ls makefile example.txt and makefile contain the following text %.gz: % gzip $< then you can obtain example.txt.gz by typing in the shell $ make -f makefile example.txt.gz the makefile consist of only one rule that instruct make how to create a...

The following utility can be used for auto-completion of commands: $ which aws_completer /usr/bin/aws_completer $ complete -C '/usr/bin/aws_completer' aws For future shell sessions, consider add this to your ~/.bashrc $ echo "complete -C '/usr/bin/aws_completer' aws" >> ~/.b...

Main features of this Makefile : Automatic detection of C sources in specified folders Multiple source folders Multiple corresponding target folders for object and dependency files Automatic rule generation for each target folder Creation of target folders when they don't exist Dependency ma...

This kind of schema will be useful if you want to keep trace of your items by insertion time or update time. var mongoose = require('mongoose'); var Schema = mongoose.Schema; // Creates a User Schema. var user = new Schema({ name: { type: String }, ...

Display a live video feed taken from a webcam using OpenCV's VideoCapture class with Java, C/C++ and Python. Java import org.opencv.core.Core; import org.opencv.core.Mat; import org.opencv.videoio.VideoCapture; public class Camera { public static void main(String[] args) { // L...

Getters and setters are methods that are behaved like properties. it means they have function structure but when used, they are used same as properties: Structure of getter functions: they should have get keyword after function keyword and before function name, with no argument, a return type spec...

To illustrate relation OneToMany we need 2 Entities e.g. Country and City. One Country has multiple Cities. In the CountryEntity beloww we define set of cities for Country. @Entity @Table(name = "Country") public class CountryEntity implements Serializable { private static final l...

Step 1: Create a bluemix account Create an account at https://console.ng.bluemix.net/registration/ This will set you up with a 30 day trial. You don't have to pay anything for the free resources and you don't have to set up billing until the end of your trial (though not all services will be avail...

What is UITableView? UITableView is a most frequently used user interface object that presents data in a scrollable list of multiple rows in a single column that can also be divided into sections.It allows vertical scrolling only and is a subclass of UIScrollView. Why do we use UITableView? We ca...

You may wish to update your custom setting's during the execution of your code, to switch off validation or workflow rules. In the below code, I have created a Schedulable Apex Class which will update the Close Date of any Opportunities whose Close Date is less than or equal to 6 days from the curr...

The below example widget demonstrates how to format individual cells of a TreeView column conditionally, depending on value of the field in the particular cell. If value of field is negative, then it'll be displayed in red color and minus symbol will be hidden, otherwise it'll be displayed in normal...

After you got the Location object from FusedAPI, you can easily acquire Address information from that object. private Address getCountryInfo(Location location) { Address address = null; Geocoder geocoder = new Geocoder(getActivity(), Locale.getDefault()); String errorMessage; Li...

If you are attempting to get an Angular2 site running on your Windows work computer at XYZ MegaCorp the chances are that you are having problems getting through the company proxy. There are (at least) two package managers that need to get through the proxy: NPM Typings For NPM you need to ad...