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PHP 7 new feature: Return type declaration

Hello Friends, Today, We will discuss a new feature Return type declaration which is introduced in Php 7. Return type declaration refers the type of the value that a function should return. Following is the declaration type supported by the Php 7.

attr_accessor and attr_accessible methods in Rails

As we know a class can have any number of objects and each object is different from one another. The thing that distinguish one object from another is the attributes they have. So in order to write and read these attributes we have some methods in Ra

Node Package Manager in Node.js

Node Package Manager (npm) stands for node package manager and it is a command line interface for installing Node.js packages,do version management and dependency management of Node.js packages. npm can be used to install packages in local or global

using return keyword within a Ruby block

As we all know,Ruby Blocks and Ruby Methods work in tandem and the output/value of the last line/expression being executed by the block is returned to the associated method . Have a look at this example: 2.1.5 :006 > def demo 2.1.5 :007?>

Ruby Blocks

As we all know,Ruby Blocks and Ruby Methods work in tandem as clearly elucidated by the below example: def demo_method yield "hello" end demo_method { |block_argument| "#{block_argument}!! our first ruby blog"}   here, the yield keyword w

Show image thumbnails before Upload

Hellow Reader's , In this blog we are going to explain how to show image thumbnail before image upload.In many web application we need to show image thumbnail before uploading. It will work on every browser which support HTML5  File API an

split ,find_index , map and capitalize methods in Ruby

Strings in Ruby have an instance method namely split that splits the given String and returns an array of substrings based on the separator given as an argument to it. have a look at these examples: gauravjhadiyal@gauravjhadiyal:~$ irb 2.1.5 :001

Mobile Application Testing

Mobile Application Testing:   Testing the applications which are developed and designed for the mobile devices is known as Mobile Application Testing. Test the application for its functionality, consistency, and usability. But, there are few b

Review in Software Testing

Review: A process in which one or more more persons checks changed document or data to determine if the changes are correct. An analysis undertaken at a specific point in time to determine the degree to which stated objectives have been met. This i

Wine in Linux

Wine in Linux No we're not talking about the drink! Wine is an application that creates a Windows-like environment for Windows-based software to run on. WineHQ the markers of Wine, claim that their software can make several Windows applications

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