Web Development Archives - Page 2 of 40

JS Errors On Android Browser

Author - Babita Kapoor
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How to view JS errors when accessing a webpage on Android mobile?

Steps to view JS errors:

Open the Developer Options setting on your Android Device. If you are not able to see the developer option then you need to enable it.

a. Go to your Read more…

Chrome: Emails removal issue from Outlook after drag and drop

Author - Nipun Negi
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Emails removal issue from Outlook after drag and drop operation in Chrome

The latest versions of Microsoft Edge and Chrome incorporates the ability to drag and drop an email directly from Outlook into the browser without the need of any third-party plugins like Outlook2Web. The feature to Read more…

Introduction to socket.io using node.js (Websockets)

Author - Mukesh Godara
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What are WebSockets & how are they different from traditional HTTP/HTTPS protocols?

In conventional HTTP protocols, a client(a web browser) sends an HTTP request to a server and a TCP connection is been made & as soon as the client gets server response, the TCP connection will be Read more…

Reactive Form In Angular

Author - Monika Dhiman
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In Angular there are two ways to work with forms:

Template-driven forms:

Template-driven forms are the default way to work with forms in Angular which is used as an internal representation of the form.

Reactive forms:

Reactive forms allow us to build Read more…

Creating API’s with Node.js GraphQL

Author - Varun Chopra
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Introduction

In this article, my aim is to present a quick guide on how to create Node.js GraphQL API. With a well-structured API, it is possible to have a solid, maintainable, and scalable API that can serve multiple kinds of front-end applications.

GraphQL is a Read more…

Video Compression Using Laravel

Author - Navneet Kaur
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Introduction to Video Compression

Video Compression is a term used to define a method to reduce the data used to encode digital video content. This reduction in data further translates to various benefits such as smaller storage requirements and lower transmission bandwidth requirements, for a clip of the Read more…

XPath for Selenium Webdriver

Author - Shivam Thaman
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XPath

XPath in simple terms is a way of finding an element(s) in an HTML DOM by giving its path. It is useful when name or id etc is not available to be directly used to find the element. The path given can be either Absolute or Read more…

Pass the Data to Custom Validation attribute in MVC C#

Author - Harleen Kaur
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How to Pass the Data to Custom Validation attribute in MVC C#?

Introduction

.Net provides the capability of validating model data with validation attributes like Required, Compare, Regular Expression, and user-defined custom attributes (also known as data annotations C#). MVC .net provides the built-in Read more…

TF30063 Issue – Authorization

Author - Harleen Kaur
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TF30063 Issue: You are not authorized to access (Tfs Server link)

I suddenly started getting the error while committing the code to TFS in Visual studio, after the password of the Microsoft account was changed.

As per the scheduled password update asked by Microsoft while logging in through Read more…

Custom Javascript in Moodle/Totara, Javascript & AMD Modules

Author - Pawandeep Kaur
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How can we add custom Javascript in Moodle/Totara, Javascript & AMD modules?

A Javascript module is a collection of Javascript code. It enhances the reusability of this code. As a result, it is called/used from alternative javascript files.

These modules are written by using the AMD(Asynchronous Read more…

Laravel: Issues in Thumbnails in Email Attachments

Author - Komal Dhiman
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Laravel: Issues in thumbnail along with images while attaching multiple attachments to the mail

While sending an email to someone using a laravel Mailable class, we may need to attach some attachments to it. Then we can simply use the method attach of that class along with the Read more…

Partial View in ASP.NET MVC

Author - Mahesh Kumar
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The partial view is a special view used to render a portion of view content. It is a reusable view. It reduces code duplication. We can say that a partial view enables us to render a view within the parent view.

In other words, if the view does not contain Read more…

How to parse an XML file and save the parsed data into the corresponding objects?

Author - Divakar Sharma
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Solution:

First of all, we need some dummy XML data for parsing as given below:

The above XML has many tags. The first one being the XML tag which lets us know that it is an XML document. Moving on to the next one we have Read more…

Laravel 5.4 Logs And Errors

Author - Monika Dhiman
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Introduction to Laravel 5.4

Logfiles:
A log file is a file that keeps a registry or records of events, processes, messages that occur in the operating system or any software runs.

-Laravel provides the robust logging services that allow the user to log Read more…

Bootstrap Templates, Grid System and Media-queries

Author - Kuldeep Singh
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Bootstrap Templates, Grid System and Media-queries

What is Bootstrap?
Bootstrap is a powerful toolkit. It is a set of HTML, CSS, and JavaScript tools for making and building websites and internet applications. It is a free and open-source project, hosted on GitHub Read more…

Authorization Attribute Validation Issue

Author - Webner
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Authorization attribute validation Issue: 404 status code is returned instead of 401 status code

In my application, I was using an API service to be used by external applications, where I needed to implement the authorization of valid requests by validating the supplied token in the Read more…

Progress Bar Using AJAX/PHP

Author - Webner
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Progress Bar For Large Uploads Using AJAX/PHP

Problem:
When large files are being uploaded, a server at the back takes time to upload the same file. Users have to wait irrespective of knowing, whether the file is even being uploaded or not and how much Read more…

Best Practices for Logging in Node js

Author - Webner
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Collecting Information or data from the system and storing it in a specific file is called logging. It may contain information or data for short or longer periods. Logs are the only way to troubleshoot an issue which the user has with the system.

Do logging correctly:

Creating Read more…

NodeJs Callback – Asynchronous Functions

Author - Harpal Singh
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NodeJs Callback

NodeJs is an open-source server environment and it is free. It enables javascript to run on the server-side. It runs on various platforms(Windows, Linux, Mac, etc.). Callback is asynchronous equivalent code for a function. A callback function is called when a Read more…

Create a drop-down with search capability using Devextreme components

Author - Harleen kaur
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How to Create a drop-down with search capability using Devextreme components

Many of you might have seen a drop-down menu with a search capability that appears in Gmail on Move To Button click as shown in the screenshot below.

Similarly below is Read more…