Useful tips for everyday
How do you color tag files on a Mac? Edit tags In the Finder on your Mac, choose Finder > Preferences, then click Tags. Do…
How to fix ora-01034 Oracle not available? To resolve ORA-01034, be sure that the ORACLE_HOME and ORACLE_SID properly match within the files /etc/oratab or /var/opt/oracle/oratab…
When do you use an AC voltage divider? AC Voltage Divider. The two impedance voltage divider is used often to supply a voltage different from…
How do you make 4 to 20mA? To create the 4 mA signal we need a resistance of 24V/ 4mA = 6000 ohm. The resistance…
What is the purpose of a certificate in encryption? If you were to go by the definition cited by the NIST Computer Security Resource Center,…
How do I get rid of browser hijacker in Chrome? Change your homepage: (at the top right corner of Google Chrome), select “Settings”. In the…
What are the three types of buffers? The three major buffer systems of our body are carbonic acid bicarbonate buffer system, phosphate buffer system and…
What is the point of spoilers on a plane? The primary purpose of the ground spoilers is to maximise wheel brake efficiency by “spoiling” or…
How do I disable Administrator lock? Enabling/Disabling Built-in Administrator Account in Windows 10 Go to Start menu (or press Windows key + X) and select…
What does CSO and CSC mean? CSO valve – the valve is locked open. Without lock key, the valve cannot be closed. example is the…