Useful tips for everyday
Does HTTPS hide URL from ISP? When a web site does use HTTPS, an ISP cannot see URLs and content in unencrypted form. However, ISPs…
How fast is quicksort? To sort an array of n distinct elements, quicksort takes O(n log n) time in expectation, averaged over all n! permutations…
Why should one learn C? By learning C, you will be able to understand and visualize the inner workings of computer systems (like allocation and…
How do you list all files in a directory in Unix? See the following examples: To list all files in the current directory, type the…
How to label lines in QGIS? Turn on Labels in QGIS Right-click on the layer and select the properties option from the menu. Then click…
What does domain mean in IP address? A domain name is the information that you enter into a web browser in order to reach a…
What are examples of security questions? Here are examples of some common security questions: In what city were you born? What is the name of…
What is the correct statistical test to compare three or more sets of data with one another? Choosing a statistical test Type of Data Compare…
Does Windows firewall block port scans? That said, a firewall alone won’t completely protect you against port-scanning activity. In a port-scanning scenario, the IPS recognizes…
How do I create a reverse DNS PTR record? To create the PTR Record: Add a new PTR record. For the Canonical Hostname, enter the…