Useful tips for everyday
Can you have two controls in an experiment? Using two controls exposes the experimenter to a high risk of confirmation bias. If the experimenter resists…
Why do I keep getting little electric shocks? When you touch a doorknob (or something else made of metal), which has a positive charge with…
Can you use PostgreSQL as a back end for QGIS? QGIS has native support for geospatial databases using PostgreSQL as a back end. PostgreSQL can…
What are the rules for handling sensitive information? Depending on the type of information you’re handling, you may need to adhere to Global, Central or…
How many types of GSM antennas are there? GSM Antenna is one kind of Antenna to transmit GSM signal at specified frequency 850, 900, 1800,…
How do you convert S-parameter to impedance? Input/output impedances In order to convert S-parameters to impedances, you must specify Z0. Usually it’s 50 ohms, sometimes…
What is the purpose of runlevels? Find the current and previous system runlevel runlevel/Function How many run levels are there? Basically, levels are the backbone…
How do you audit firewall configuration? Collect Key Information Before Beginning the Audit Access to firewall logs to be analyzed against the firewall rule base…
How to change product listing sort by in Magento? When you go to Category page in Magento administration (Catalog/Manage Categories), you’ll see “Display Settings” tab.…
How to identify duplicates and show up Records? You could create a calculated column with the following formula: From here, you could simply look for…