Useful tips for everyday
Is DoS same as DDoS? DDoS. A denial-of-service (DoS) attack floods a server with traffic, making a website or resource unavailable. A distributed denial-of-service (DDoS)…
How do I enable remote access to PostgreSQL database in Ubuntu? To enable remote access to PostgreSQL server: Connect to the PostgreSQL server via SSH.…
What does SPICE software do? SPICE (“Simulation Program with Integrated Circuit Emphasis”) is a general-purpose, open-source analog electronic circuit simulator. It is a program used…
How an arithmetic expression can be evaluated using a stack? Push the operands into the stack in the order they appear. When any operator encounters…
What is tar backup? Tar stands for tape archive and allows you to create backups using: tar , gzip , and bzip . It compresses…
How to reproject lat / lon WGS84 to UTM? I have several landsat tiles in lat/lon wgs 84. They display seamlessly in Global mapper. When…
What is the regex for matching with all characters which are * Non white space *? \s matches any whitespace character [ \r\n\t\f ] .…
How do I switch from WiFi to data on Android? The same setting on Android phones can be found in the Connections area of the…
What is a hardware audit? A hardware audit is an assessment of all the hardware devices that are used to organise the computer network of…
What are floppy disks used for? Floppy disk, or diskette, magnetic storage medium used with late 20th-century computers. Floppy disks were popular from the 1970s…