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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...

In this tutorial , I will explain how to integrate Google's BigQuery API with web application. My web application is going to get the data using BigQuery and plot a graph using d3.js and Javascript. Each project on Google Developers Console has a clientID and you need to copy the clientID and put i...

A named pipe is really just a special kind of file (a FIFO file) on the local hard drive. Unlike a regular file, a FIFO file does not contain any user information. Instead, it allows two or more processes to communicate with each other by reading/writing to/from this file. A named pipe works much...

Example Table There are several ways to inject your data into DataTables. Serverside Processing is just one method. In this manner, DataTables has a pre-configured endpoint to retrieve data from, and that endpoint is responsible for accepting all paging/filtering/sorting requests that DataTables ap...

Pass in a literal value (not an object), such as a string or number. Child scope gets his own value, if it updates the value, parent scope has his own old value (child scope can't modify the parens scope value). When parent scope value is changed, child scope value will be changed as well. All int...

In 32-bit Linux, system calls are usually done by using the sysenter instruction (I say usually because older programs use the now deprecated int 0x80) however, this can take up quite alot of space in a program and so there are ways that one can cut corners in order to shorten and speed things up. ...

Introduction from http://facebook.github.io/react-native/docs/native-modules-ios.html Sometimes an app needs access to platform API, and React Native doesn't have a corresponding module yet. Maybe you want to reuse some existing Objective-C, Swift or C++ code without having to reimplement it in ...

We will see stream objects being returned by modules like fs etc but what if we want to create our own streamable object. To create Stream object we need to use the stream module provided by NodeJs var fs = require("fs"); var stream = require("stream").Writable; ...

Consider you want to predict the correct answer for XOR popular problem. You Knew what is XOR(e.g [x0 x1] => y). for example [0 0] => 0, [0 1] => [1] and... #Load Sickit learn data from sklearn.neighbors import KNeighborsClassifier #X is feature vectors, and y is correct label(To train...

It is a dialog which prompts user to select date using DatePicker. The dialog requires context, initial year, month and day to show the dialog with starting date. When the user selects the date it callbacks via DatePickerDialog.OnDateSetListener. public void showDatePicker(Context context,int init...

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 }, ...

The Binary Search Tree (BST) is a hierarchical data structure with a single pointer to the root node. The Node in the BST generally contains "items" (such as numbers or names) for fast look up. Each node has at-most two children (left and right). Every node is organized by some key data f...

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...

The attribute and namespace axes contain all attribute and namespace nodes of an element. The shortcut @ stands for attribute::, so the following are equivalent: child::div/attribute::class div/@class

Why do we need this? The current way to do unit testing in Xamarin.Forms is via a platform runner, so your test will have to run within an ios, android, windows or mac UI environment : Running Tests in the IDE Xamarin also provides awesome UI testing with the Xamarin.TestCloud offering, but when ...

First you need to implement Realm at the start of your class using Realms; Then to print the location to the console : Console.WriteLine( RealmConfiguration.PathToRealm() ); Or if you're using DefaultConfiguration, you can use : Console.WriteLine( RealmConfiguration.DefaultConfiguration.Dat...

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...

Assuming a abstract class: class ILogger { virtual ~ILogger() = default; virtual Log(const std::string&) = 0; }; Instead of void doJob(ILogger* logger) { if (logger) { logger->Log("[doJob]:Step 1"); } // ... if (logger) { logge...

NATURAL JOIN requires no explitic join condition; it builds one based on all the fields with the same name in the joined tables. create table tab1(id number, descr varchar2(100)); create table tab2(id number, descr varchar2(100)); insert into tab1 values(1, 'one'); insert into tab1 values(2, '...

Microsoft Command Prompt is a command-line interpreter (CLI) for the Windows operating systems. A CLI is program intended primarily to read operating system instructions typed on a keyboard by the user. It is therefore addressed also as a command-line interface, to contrast it with graphical inter...