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Advanced SQL – Indexes and Triggers

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Introduction

The SQL database provides a lot of commands and functions. With the help of them, we can manage a huge amount of data easily in the database. Following are some of the examples:

INDEX:

In the SQL database Index is like a schema object. It Read more…

Regular expressions in PHP

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Regular expressions

Regular expressions use arithmetic operators like +,^,- and create complex expressions that can help to validate IP address, email address, telephone no, etc. They save our coding time.
Some of built-in PHP regular expressions are:

Preg_replace- perform pattern match on a string and returns true if Read more…

Convert PDF To Image In PHP

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How to convert PDF to image file using PHP?

Before installing PDF to Images package, firstly you need to install two PHP extensions
Imagick and Ghostscript.

Step 1: Install Imagick

sudo apt-get install php-imagick

Step 2: Restart Apache

In the second step Read more…

Introduction to MVC

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What is MVC?

The MVC is a very frequent web development architectural framework or application designing model which contains three main components the Model, the View and the Controller each of them performs different functions assigned to them.

It helps us to avoid complexity by dividing the application Read more…

How to push code to TFS using Visual Studio?

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TFS

TFS is an acronym for Team Foundation Server which is widely used with Visual Studio. We can directly use the Visual Studio to push code to Team Foundation Server using some simple steps.

Steps

Step 1: Open the Visual Studio editor.

Step Read more…

Dependency Injection in Asp.Net Core

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Introduction:

The ASP.NET Core provides the idea of Dependency Injection without having to install any external injection containers and resolve the dependencies. My experience with ASP.NET Core is connecting some applications related to the use of such templates for dependencies.

The whole development ideology using dependency Read more…

Resize and Draggable Image using Jquery

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Introduction to Jquery Libraries

Using jquery libraries, we can implement Resize and draggable functionality on an image. It is really a fantastic thing and we do not need to bother about knowing the inner functionality of how it is working. We just need to add jquery UI and Read more…

USEFUL LARAVEL BLADE DIRECTIVES

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Laravel Blade Directives

Laravel Blade Directives are the functions of Laravel’s templating engine that are basically a piece of code that covers the complex yet common and repetitive code written in PHP. Many of these directives are used while working on blade files but some of the Read more…

Linter and Security tools for python code

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I have used 3 tools here:

Flake8

SublimeLinter

Flake8-Bandit

What is a linter?

Linter analyzes code to detect various categories of lint. Those categories can be broadly defined as the following:

Logical Lint

Code errors

Code with potentially unintended results

Dangerous code patterns

Stylistic Lint

Code not Read more…

How to remove the RuleSetValidation using jquery in devExtreme dataGrid?

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Introduction of Validation

Validation is the most important part of any programming language. The validation avoids saving invalid data in the database. It does not check the accuracy of the data but checks the format of data. With the help of validation, we can directly check if the Read more…

Build Command Line Interface in Python with pyinstaller

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Command Line Interface (CLI)

A command-line interface is a tool through which the user can interact with a program. Users can run the necessary commands and pass system arguments to the code and the response is generated as per written in the program.

Advantages of Command Read more…

Compress Videos using FFmpeg Laravel & shell_exec method

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Introduction

First of all, install FFmpeg in your composer. Perform the steps below to install it on Ubuntu:

composer require pbmedia/laravel-FFmpeg

Start by updating the packages list:

$ sudo apt update
– Next, install FFmpeg by typing the following command:

$ sudo apt install FFmpeg

– To check FFmpeg is Read more…

Introduction to Selenium Grid

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Introduction to Selenium Grid with examples

Selenium Grid is software from Selenium which allows us to run multiple tests across different browsers, operating systems, and machines in parallel.

This Grid follows the hub-node concept where we run the test on just one machine i.e. hub, but Read more…

Let’s start with GraphQL

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Introduction to GraphQL

GraphQL is a query language for API that executes queries by using a system with a definition of data on the server-side. It’s not linked with any particular type of database or storage engine. It even makes API calls flexible and independent from Read more…

Reformat associative array in CakePHP 2.*

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How to use CakePHP 2.* Hash::combine method to reformat associative and find results array?

Sometimes we do a lot in the code to reformat find query results, to remove the table name (for example, User, Article, etc) from the array and sometimes use one of the column Read more…

Bootstrap popover – How to create with Examples

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Bootstrap POPOVER

Popover generally displays the messages or any additional information regarding the element. On clicking the element, it will show the information in the popup. If we want to apply the Bootstrap POPOVER method, it will use the Javascript method popover().

Step 1: Creating popover

Read more…

Delete and deploy components from production using workbench

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How to delete and deploy components (Apex classes, Flows, Objects, etc) from production using workbench?

We cannot delete Apex classes directly from the Production org. Also, it is not possible to deploy deleted apex classes using Changeset. So, to delete them we can use these tools – Workbench, IDE Read more…

Component Lifecycle of Angular

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Introduction

Components are like a building block that controls the HTML view of your application. They can communicate with other components to provide functionality to the application. The components are denoted by @Components. An application can have more than one component. There is the sequence of the events Read more…

Types of Form Creation in Moodle

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Introduction

A Document that contains different blank fields like(Name, DOB, Class, etc.) that the user can fill the data is called form. The form can be of many types like(Application Form, Contact Form, etc.). Forms are very helpful to store data in the database, with the Read more…

Reactive Forms In Angular

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Introduction to Reactive forms

In Reactive Forms, we use Modal driven approach to handle form inputs which changes over time. Reactive forms are most preferred to use. It is flexible to use and provides many benefits.

For example, By using Reactive forms user can easily add form input Read more…

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