Useful tips for everyday
What is univariate and multivariate time series? Univariate time series: Only one variable is varying over time. For example, data collected from a sensor measuring…
How is heat transfer in a heat exchanger? Heat exchangers are equipment for the transfer of heat between two fluids through a separating wall, and…
How do I choose a good wireless access point? On an access point, try to go with at least a 2×2 radio, but 3×3 is…
What is the maximum number of nodes for any network? The maximum number of nodes within one segment is 32, but if more than 32…
How do I connect to an FTP server using Terminal Mac? The easiest way is to open the Finder Window and select the from the…
What to do if PayPal gateway has rejected request? “PayPal gateway has rejected request. Payment has already been made for this InvoiceID (#10412: Duplicate invoice).”…
What is bash syntax? The Bash command syntax is a superset of the Bourne shell command syntax. Bash supports brace expansion, command line completion (Programmable…
How do I uninstall pip and install again? To use pip to uninstall a package locally in a virtual environment: Open a command or terminal…
What does recovery.conf file do in PG _ basebackup? The recovery.conf file will record the connection settings and, if specified, the replication slot that pg_basebackup…
How do I make columns and rows in Keynote? Make rows or columns the same size To make some rows or columns the same size,…