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JSON Web Token (JWT)
JWT (JSON Web Token) is a compact, URL-safe way of securely transmitting information between parties as a JSON object. It’s commonly used for authentication and authorization in web applications.
[…] Continue ReadingObject-Oriented Design (OOD) Principles
The SOLID principles are a set of five design principles in object-oriented programming (OOP) that help developers create more maintainable, flexible, and scalable software.
[…] Continue ReadingThe permutations of the string
A permutation of a string is a new arrangement of its characters. For example, the string “abcd” can be rearranged in 4! = 24 different ways. The goal of the PHP code is to generate all such unique arrangements (permutations) of a given string.
[…] Continue Reading
Too many Connection issue MYSQL
This issue occurs mostly when the maximum allowed concurrent connections to MySQL has exceeded. The max connections allowed is stored in the global variable max_connections. You can check it by show global variables like max_connections; in MySQL
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UI TYPE (SQL Data/Column) list for vTigerCRM Custom Fields
In vTigerCRM, when creating custom fields, the UI Type determines the type of input or display that the field will support. Below is a brief description of some commonly used UI Types for SQL Data/Columns:
[…] Continue ReadingHow to create vTiger CRM Event Handler
how to use Event handlers in Vtiger 7 for us to write custom logic for after Save or Before save events. We have given an example using potential module the same should be applicable for other VTiger modules.
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How to create a custom view of type List in Sugar CRM or Suite CRM
How to create a custom view of type List in SugarCRM CE 6.5 or SuiteCRM. In SugarCRM CE 6.5 or in SuiteCRM there is the standard ListView mask that allows you to Filter and Search an object of a specific module, there is also the List that can be used to quickly access an object.
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How To Rewrite URLs with mod_rewrite for Apache on Ubuntu
The mod_rewrite module in Apache allows you to manipulate URLs for better readability, improved SEO, or redirecting old URLs to new ones. This guide walks you through enabling mod_rewrite, configuring the .htaccess file, and creating rules to rewrite URLs effectively on Ubuntu. Key steps include enabling mod_rewrite (a2enmod rewrite), updating the Apache configuration to allow […]
[…] Continue ReadingInstall vTiger CRM on Ubuntu
Vtiger CRM is an open-source, PHP-based Customer Relationship Management (CRM) software for businesses to facilitate support, sales, marketing, collaboration, and organization. It also includes project management, inventory, email, and other tools to enhance business management tasks. Some features of Vtiger CRM are:
[…] Continue ReadingVtiger CRM Pre-requisites
Installation Vtiger CRM is web-application built using PHP.
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