Web Development Archives

What is DevOps?

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What is DevOps?

DevOps is a set of practices that combines software development and other IT operations. It shortens the systems development life cycle and aims to provide continuous delivery with high-quality software.

Who is DevOps Engineer?

They are either developers who get curious about Read more…

Lambda Expression in Java 8

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Lambda expressions are introduced in Java 8 and are a very interesting feature of Java 8. A lambda expression is a short block of code that takes in parameters and returns a value. Lambda expressions are similar to methods, but they do not need a name and they can be Read more…

How to get phone contacts in the react-native application

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To get phone contacts in the react-native application, it provides a package called react-native-contacts. This package provides you with all the contacts and their info from your mobile device.

Installation:

npm install react-native-contacts –save

For ios:

cd ios && pod install

Read more…

Record Video on Web through Javascript

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Many browsers now have the facility to access video and audio input from the user. However, relying on the browser, it would be a full dynamic and inline experience, or it’d be delegated to a special app on the user’s device.

Add HTML to your code

Read more…

Using Elasticsearch in Node.js

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What is elasticsearch?

Elasticsearch is a distributed, open-source search and analytics engine for all types of data, including textual, numerical, geospatial, structured, and unstructured. Elasticsearch is built on Apache Lucene and was first released in 2010 by Elasticsearch N.V. (now known as Elastic). Known for its Read more…

Azure Event Hubs

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Introduction:

Event Hubs is a real-time data ingestion service that is fully managed, simple, scalable, and trusted. It can stream, process, and receive millions of events per second from any of the sources, which builds data pipelines that are dynamic in nature. These pipelines are favourable to Read more…

Aura components vs Lightning web components

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At the beginning of the Salesforce Development times, developers used VisualForce, which is an HTML Tag-based mark-up language to develop their Visual Force web pages and Apex to control the internal logic. But these HTML based Visual Force standards were not compatible to build large scale enterprise solutions Read more…

Internationalization / Localization in Laravel

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Laravel has made it convenient for the developers to create multilingual websites by giving the developer community an easy way to retrieve strings in various languages. These strings are basically stored as constants in the resources/lang directory within our project. Within the lang directory, there are subdirectories Read more…

How to create an event in Laravel

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Laravel events provide an observable functionality, allowing you to subscribe and listen. Events are stored in the app/Events directory and their listeners are stored in the app/Listener directory. We can generate a Laravel event by running

“php artisan event:generate” command.

Register event and listeners Read more…

Integrate Google Photos in React-Native

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Using the Google Photos Library API your app can read and write the photos in google photos or you can use them as a photo gallery in your application.

To integrate google photos in the react-native application you first need to install the react-native google-sign library.

Read more…

How to recover the corrupt adobe captivate Project file?

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Sometimes adobe captivate project files get corrupted when project file data is not saved or we close the file without saving it. For example, I have created a MyProject.cptx file in Captivate and it crashed without saving data. After that when I tried to open that project file the Read more…

Profiling in Python using cProfile

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Many times we need to optimize our code as our program is spending too much time on some specific line of code. There are hundreds of lines of code and we are stuck on which piece of code to modify to increase the efficiency of the code. For, this python Read more…

Upload document using Google Drive API in .Net

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We will create a console application using .net and upload documents to google drive using Google Drive API V3.

Step 1: Enable Drive API

Go to the Google API Console.
Select a project.
In the sidebar on the left, click on Library.
In the displayed list of available Read more…

Why React JS is popular?

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React JS

React is an Open Source JavaScript library for making User Interface or UI components. It is developed by Facebook to create attractive web applications fast with minimal code. React components allow the developer to break the complex module into small and reusable parts of the code Read more…

Heroku Toolbelt

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Heroku is a cloud-based application deployment and management service. Heroku works on the principle of the container-based design system and these smart containers are known as dynos. The Heroku Toolbelt is a package of the Heroku CLI, Foreman, and Git — all the tools you Read more…

Integrate Razorpay in CakePHP 3

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Step 1: Create RazorPay Account

First of all you need a test account for integration. Click the below link https://dashboard.razorpay.com/#/access/signup and set up a test account there:

Step 2: Get your API Keys:

After successful login, you will see your dashboard Read more…

TypeError: ‘<' not supported between instances of 'int' and 'str' in Python

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Description

Sometimes there may be a need to access or simply print a python dictionary in a particular order of its keys i.e. ascending or descending as it was in my case. Although it seems that it is not a big issue and that is true in Read more…

What is Laravel Socialite?

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Most of the sites require User login and registration with Social sites like Facebook, Google+, etc. Laravel provides a simple way to authenticate with OAuth provider Socialite. Laravel currently supports Facebook, Google, Twitter, GitHub, Bitbucket, etc.

Installing and configuring

composer require laravel/socialite

After installation, the Read more…

How can you clear Totara Theme Cache by following different ways?

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Totara Theme

As we know, the theme is the main part of Totara. We can customize the totara-site look (colors, fonts, Icons, etc.) by using the theme features. When you make any changes in any theme, you will have noticed it does not reflect immediately. Totara stores Read more…

Mysql | #1553 – Cannot drop Index

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Issue:

#1553 – Cannot drop index ‘index_name’: needed in a foreign key constraint

An issue is generally faced when we are going to drop a unique index from a table. For example, here I have the table articles that have the following structure:

Column
Data type
Specifications

id
int Read more…

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