Computer and Internet

Computer and Internet is catchall section of core computing categories including Cloud Computing, Digital Photography, Virtualization, Networking, Protocols and Others' which are not otherwise more subcategorized. Here also you will get unique articles and news on computer hardware, Software, Networking and Protocols.

How To Install Memcached on Ubuntu Server And Configure WordPress

In previous guide, we installed APC cache on Ubuntu 18.04. Here Are The Steps On How To Install Memcached on Ubuntu Server 16.04, 18.04 And Configure WordPress To Optimize Page Loading Speed. APC is an opcode cache. APC cache chunks of PHP code and stores it in RAM. When we need to run that same piece of code again APC already cached it and runs from memory at lightning fast. An opcode cache is … [Read more...]

WordPress High Load Average With W3 Total Cache : Troubleshooting

Cache plugins designed to decrease load average of servers running WordPress. But, There Can Be Situations Where We May Face WordPress High Load Average With W3 Total Cache. In Such Case, We Need To Use WP Super Cache With Other Plugins. It is not always possible to troubleshoot everything but it is important to run a security audit, check any missing PHP modules. Why You Can Face … [Read more...]

How To Install APC on PHP 7.2 (Ubuntu LAMP Server)

APC is an Important Part For WordPress Like Web Software to Speed Up. Here is How To Install, Configure APC on PHP 7.2 on Ubuntu LAMP Server. We have older guides on this website to setup APC for PHP 7.0. However, PHP 7.2 needs slight different commands (which may be difficult for an not so used to configure). Although Zend Op Cache is sufficient for many web software, APC Object Cache backend for … [Read more...]

What is Momo Game? How It Makes to Commit Suicide?

Momo challenge lately has been a global threat. What is Momo Game? Momo is not really a game. Momo challenge is a cyber bullying. Usually the victim receives a Whatsapp message from an unknown number. Receiving such one assumes as new friend and proceed to chat day by day. It might be an automated chatbot. From that chat, the attacker receives privacy information. It is just an odd work by some … [Read more...]

Arduino LED Blink Rate Control With LDR

Just Like We Can Vary The Rate of Blink With Heart Rate Sensor, We Can Control The Rate of Blink of LED Depending Upon How Much The Light is Present. That is Exactly What Arduino LED Blink Rate Control With LDR Will Show With Sample Code. We we connect LDR with Arduino, on Arduino IDE's serial monitor we can get a value on dark and highest light. That exactly the thing we use for more easy project … [Read more...]

Knowledge Discovery in Databases : Part III

In Part I of Knowledge Discovery in Databases, we discussed about the database systems, fundamentals of statistics and Big Data and fundamentals of knowledge discovery in databases. In second part of Knowledge Discovery in Databases, we discussed the process of the Knowledge Discovery in Databases and Methods of the Knowledge Discovery in Databases. In This Third Part of Knowledge Discovery in … [Read more...]

MariaDB Vs Percona For WordPress Installation

Regular visitors of this website probably noticed we preferentially use Percona MySQL in our tutorials and scripts. Whereas, most of the sysadmin related websites and guides for installation of WordPress uses MariaDB. Here is a Practical Comparison of MariaDB Vs Percona For WordPress Installation. Do we have any special reason to prefer Percona MySQL? Yes. We are long term users of Percona. We are … [Read more...]

Arduino UNO Single NeoPixel Rainbow Blink

In earlier article, we discussed the basics around NeoPixel LED. We also warned about higher current consumption NeoPixel strips used for decoration. Connecting Single NeoPixel to Arduino is most simple. Thinking specially about the children, we feel that single NeoPixel is completely safe, affordable and easy for them. Here is Connection and Sketch For Arduino UNO Single NeoPixel Rainbow Blink. … [Read more...]

How to Choose the Right Aspect Ratio for Recording Videos

Videos and movies are made in different aspect ratios. At present, there is no universal standard covering all the devices and screen sizes. You will possibly end up with black bars at the top and bottom of some and black pillars at the sides of other. Only they will be absent when we are viewing a video or film shot in the aspect ratio of the screen we are using. The aspect ratio is the … [Read more...]