Time to Live or TTL is the term of validity of data in a given computer networks that limits the lifespan or lifetime of data, that determines how many intermediate stations (hops) a packet of data is allowed to pass in the Internet. We usually use Time to Live or TTL for Domain Name System (DNS) for Name Server Propagation. In brief, if TTL or Time to Live is very short like 300 Seconds, the … [Read more...]
General
Explanation of different terms used for computer hardware, computer software and in the Internet.
What is Wheel Group in UNIX and Unix-Like OS?
Wheel Group originated in the TENEX OS, distributed, widely used in 1960s. Wheel Group has wheel account, has additional system privileges. UNIX Operating System and Unix-Like Operating Systems including (not all) GNU Linux, there are some differences. It must be noted that; GNU su' does not support the wheel' group. This is official text : [crayon-6a096e03d1d8e399557273/] Basics on Wheel … [Read more...]
Eliminate Render-blocking Javascript and CSS WordPress Reloaded
Eliminate Render-blocking Javascript and CSS WordPress with one Plugin instead of our previous a bit complicated method to get rid of it. Previous guide to Eliminate Render-blocking Javascript and CSS WordPress can be found here and useful for WordPress websites which uses advanced Themes and implements HTML5, CSS3 features. Over 50% aware people hate many Companies after reveal of PRISM and … [Read more...]
What is Key in Computer Cryptography?
What is meaning of the word Key like we use with RSA Key or use them with practical usage like SSL. Let us demystify the Key as a Terminology. A key or cryptographic key is a piece of information that controls the operation of an algorithm for cryptography. Typically, this information is a sequence of numbers or letters by which, in cryptography, the specified plain text is transformed into cipher … [Read more...]
Why Perl is Pushed Towards Death in Favor of PHP
Why Perl is Pushed Towards Death in Favor of PHP? Was it Really a Need with Time or Business Decisions and Models Slowly Made the Change? A quite known middle aged person posted on Google Plus his uttered hatred towards the abnormal high speed growth of PHP and very less significant work on Perl. As all of us know, these two has significance with Web Development. It is really not true that Perl is … [Read more...]
Text-based User Interface (TUI)
Text-based User Interface (TUI) was coined after the Graphical User Interface (GUI) came and virtually became the standard over Command Line Interface (CLI). The major similarity between Command Line Interface (CLI) and Text-based User Interface (TUI) is that, both uses some Terminal Emulator Application. The major distinction between Command Line Interface (CLI) and Text-based User Interface … [Read more...]
Lime Text : Free Alternative to Sublime Text
Lime Text is a Free Alternative to Sublime Text, Later Being a Closed Source Paid Text Editor. Know the features, how to use Lime Text Free Software. Previously, we talked about some Text Editors for Mac OS X; although Lime Text can be build for other Operating Systems, apart from OS X. There are definite reasons to support Lime Text Project by us - it is Free Software (comes with BSD License … [Read more...]
Run shell commands with PHP
Run shell commands with PHP - Be it Within a Content Management System Like WordPress or Simple PHP Script.System program execution is documented in PHP Manual. Occasionally server, for example goes down and possibly you are wondering if it is possible to start remotely using PHP to check the port or do something. Run shell commands with PHP : Getting Started It basically sounds … [Read more...]
How To Convert PSD UI to Working HTML Element
How To Convert PSD UI to Working HTML Element Falls Among Frequently Asked Questions. There are many ways which we have explained and there is no universally one way. Many many articles are there on the whole Internet covering the topic - how to convert PSD UI to working HTML element falls among Frequently Asked Questions, just for examples : [crayon-6a096e03d1f9a664778416/] Most are mere … [Read more...]
Fetching Data from MySQL via PHP in WordPress
Fetching data from MySQL via PHP in WordPress sometime required to execute PHP within post or page instead of using a plugin. Please note that, MySQL is everything for WordPress like Content Management System and if you do not know what you are doing, you can easily get hacked. We belong to just MySQL user after Installing MySQL, Handling MySQL from command line, using WordPress and other CMS for … [Read more...]
PHP Script To Install WordPress on Mac
PHP Script To Install WordPress on Mac is Quite Easy and Needs Few Minutes to Get Ready With Your WordPress localhost dev Site. There is no need to use MAMP like Software because the regular readers already know that we can install WordPress easily on OS X using Command Line. But, even without command line, if you use this script; you can setup WordPress. It is quite obvious that, basically this … [Read more...]