Useful tips for everyday
How to configure Texmaker before using latex? Before using Texmaker, you must configure the editor and latex related commands via the “Configure Texmaker” command in…
What is A 4 pin USB? USB is a serial bus. It uses 4 shielded wires: two for power (+5v & GND) and two for…
How does pipeline rendering work? In computer graphics, a computer graphics pipeline, rendering pipeline or simply graphics pipeline, is a conceptual model that describes what…
What is the most secure password hash? bcrypt Currently the most vetted hashing algorithm providing most security is bcrypt. PBKDF2 isn’t bad either, but if…
What does the QGIS plugin for OpenStreetMap do? To support this objective, QGIS provides a plugin that enables its users to work with OSM data.…
Which protocol uses negative Acknowledgement? One example of Negative Acknowledgement is the internet’s Transmission Control Protocol (TCP). When computers communicate via TCP and received packets,…
How do I change point to comma on keyboard? To change regional settings, go to Start > Control Panel > Regional and Language Options |…
How can you identify a hyperlink when using the Internet? On a computer you can identify a hyperlink even if it’s not underlined by hovering…
What is Linux security context? A security context, or security label, is the mechanism used by SELinux to classify resources, such as processes and files,…
How to select query by pair of fields? SELECT * FROM where ( , .) in (SELECT , , FROM where ) This worked wonder…