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Write a php Program to calculate frequency of each character of string without using HashMap.
Write a PHP program to calculate the frequency of each character in a given string. The program should count and display the occurrences of each character without using any built-in data structures like HashMap or associative arrays. This can be achieved using nested loops and basic string operations to manually count character frequencies.
[…] Continue Readinghow to setup and use Googles Firebase push notification API for both Android and iOS
Below is a full tutorial on how to setup and use Googles Firebase push notification API for both Android and iOS. It is based on this earlier implementation of Googles GCM method: https://gist.github.com/prime31/5675017 – FCM is the new method and GCM will eventually be retired.
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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 ReadingHow To Install Linux, Apache, MySQL, PHP (LAMP)
The LAMP stack is a popular open-source web development platform used to host dynamic websites and applications. It consists of Linux (the operating system), Apache (the web server), MySQL (the database server), and PHP (the programming language). Here’s a brief overview of the installation process:
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Custom web service operation for multiple records fetch with custom query
p>Add new webservice custom method you have to manipulates in 2 tables vtiger_ws_operation , vtiger_ws_operation_parameters and vtiger_ws_operation_seq.
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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.
[…] Continue ReadingShowing all errors and warnings in PHP
Four different ways to display errors in PHP Before diving into the details of managing and logging errors in PHP, let’s outline the four main ways to display errors in PHP:
[…] 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 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:
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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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