Answers posted by sparity soft tech

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135 votes
How to upgrade from PHP 5 to PHP 7 on CentOS 7?
answered Jul 20, 2021
5.1. Download Remi and EPEL Repository packages.5.2. Enable Remi and EPEL Repository.5.3. Install or...
139 votes
How to check non english characters existence in string using c++?
answered Jul 13, 2021
Check if character in string c++ Code : std::string s = "Hello"; if (s. find('e') != std...
140 votes
How to check given string only have numbers using java?
answered Jul 6, 2021
By Using Regular Expression:Get the String.Create a Regular Expression to check string contains only...
131 votes
How to get random subsrting from string?
answered Jun 29, 2021
Linked Generators can be used to create a random substring containing a specified number of characte...
172 votes
what is content filtration?
answered May 14, 2021
Content filtering is the use of a program to screen and exclude access to web pages or emails deemed...
141 votes
Is Java JRE still free?
answered May 14, 2021
Oracle Java SE8 updates, which includes the Oracle JRE with Java Web Start, continues to be free for...
161 votes
What is serviceworker.js script?
answered May 7, 2021
A service worker is a web worker. It's a JavaScript file that runs separately from the main browser ...
156 votes
how to sync two different linux server directories?
answered May 7, 2021
To sync files between 2 Linux servers follow these basic steps: 1-Establish trust between both serv...
147 votes
How to remove non empty Directory in Linux?
answered May 7, 2021
Several different ways to remove directories in Linux systems. If using a Desktop file manager such ...
135 votes
what re the tools used in data Science?
answered Apr 16, 2021
A Data Scientist is responsible for extracting, manipulating, pre-processing, and generating predict...
154 votes
what is ctor in c++?
answered Apr 9, 2021
A constructor is a special type of member function that is called automatically when an object is cr...
159 votes
What is the difference between pointer object vs referrence object in c++?
answered Apr 2, 2021
A pointer in C++ is a variable that holds the memory address of another variable. A reference is an ...
143 votes
what is the difference between PHP5 and PHP7?
answered Apr 2, 2021
The performance of PHP 7 and PHP 5 is a major difference. you have written a PHP code in PHP 5, if y...