July 21, 2018 in News, Tips and Tricks, Ubuntu
CentOS crontab – Automate System Tasks We’ll show you, how to use CentOS crontab. How to automate system tasks on CentOS 7, using Centos crontab. Crontab software utility, is a time-based job scheduler in Unix-like operating systems. Cron is driven by a crontab (cron table) file, a configuration file that specifies shell commands to run periodically on […]
July 18, 2018 in Tips and Tricks
Factory Method Design Pattern Intent Problem A framework needs to standardize the architectural model for a range of applications, but allow for individual applications to define their own domain objects and provide for their instantiation. Discussion Factory Method is to creating objects as Template Method is to implementing an algorithm. A superclass specifies all standard and […]
July 18, 2018 in Tips and Tricks
Facade Design Pattern Intent Problem A segment of the client community needs a simplified interface to the overall functionality of a complex subsystem. Discussion Facade discusses encapsulating a complex subsystem within a single interface object. This reduces the learning curve necessary to successfully leverage the subsystem. It also promotes decoupling the subsystem from its potentially many […]
July 14, 2018 in MySql, News, Tips and Tricks
Common OpenCart Errors and How to Solve Them There is nothing more excited then try to build your own ecommerce store. Installing OpenCart extensions and themes, modificate them to your need and learn new thing during development. But most OpenCart users know how frustrating it can be get an unexpected error and not be able […]
July 13, 2018 in MySql, News, Tips and Tricks
The Top 3 Reasons an Application Hangs Do you experience application hang problems? If so, read this article to discover the top 3 reasons applications hang and cause slow performance. If you have been in the IT industry long enough, you probably know this story well. The application works fine, then, suddenly, the application hangs […]
July 12, 2018 in Laravel, News, Tips and Tricks, Ubuntu
how to install laravel Install Composer Laravel utilizes Composer to manage its dependencies. First, download a copy of the composer.phar. Once you have the PHAR archive, you can either keep it in your local project directory or move to usr/local/bin to use it globally on your system. On Windows, you can use the Composer Windows installer. Install Laravel Via Laravel Installer […]
July 12, 2018 in MySql, News, Tips and Tricks
6 Essential Tips on How to Become a Full Stack Developer How to become a full stack developer? As one of the hottest topics for developers, the discussions have never stopped. On LinkedIn and Facebook, lots of people put their job title as a full stack developer. Besides, it seems that the “Full Stack” topic has […]
July 12, 2018 in MySql, News, Tips and Tricks
What does the term “full-stack programmer” mean? What are the defining traits of a full-stack programmer? A full stack developer is capable of performing tasks at any level of the technical stack in which they reside. It means: In general a full-stack developer has knowledge that is a mile wide, but not necessarily very deep, and […]
July 11, 2018 in MySql, Tips and Tricks
HOW TO SELECT RANDOM ROWS IN MYSQL The easiest way to generate random rows in MySQL is to use the ORDER BY RAND() clause. SELECT col1 FROM tbl ORDER BY RAND() LIMIT 10; This can work fine for small tables. However, for big table, it will have a serious performance problem as in order to […]
July 10, 2018 in Tips and Tricks
Build Your First Application Overview This tutorial is intended to introduce you to the CodeIgniter4 framework and the basic principles of MVC architecture. It will show you how a basic CodeIgniter application is constructed in a step-by-step fashion. If you are not familiar with PHP, we recommend that you check out the W3Schools PHP Tutorial before continuing. […]
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