Useful tips for everyday
How do I clean up PostgreSQL WAL files? WAL files are incremental, so the simple answer is: You cannot throw any files out. The solution…
What is meant by the standard enthalpy of formation? The standard enthalpy of formation of a compound is the enthalpy change that occurs when 1…
How to calculate the size of a raster? Two, as used in the equation above, doubles the resolution. Then that number is multiplied by 1000…
Which storage device is write once read many? WORM WORM describes data storage media that allow data to be written only once and then read…
Who are the upstream companies? Upstream companies focus on exploration and production. Most crude oil production is controlled by National Oil Companies, which includes OPEC,…
How do I use PG restore? Restore the backup. Open command line window. Go to Postgres bin folder. For example: cd “C:\ProgramFiles\PostgreSQL\9.5\bin” Enter the command…
How do I create a shortcut on my Desktop? In Windows Explorer, browse to the document or file for which you want to create a…
What is the time ruler in after effects? It indicates the current frame that is being displayed, moving as the animation or composition is played.…
How does PoE negotiation work? If a PD is connected to the PSE, it undergoes a PoE negotiation procedure before it can receive the needed…
How do I select a subset of a Dataframe? When specifically interested in certain rows and/or columns based on their position in the table, use…