Useful tips for everyday
What is $$ in Postgres? In PostgreSQL, the dollar-quoted string constants ($$) is used in user-defined functions and stored procedures. In PostgreSQL, you use single…
Which is the correct definition of a covariance matrix? In probability theory and statistics, a covariance matrix, also known as auto-covariance matrix, dispersion matrix, variance…
How are shortcodes wrapped in < P > tags? In order to ensure no shortcodes are wrapped in tags, the final shortcode must be followed…
How are recurrent neural networks used in predictive modeling? Unlike regression predictive modeling, time series also adds the complexity of a sequence dependence among the…
What happens if your laptop charger is broken? If your laptop charger seems broken, it’s most likely because the battery will not charge. You plug…
What makes a QR Code readable? A QR code consists of black squares arranged in a square grid on a white background, which can be…
How do I configure AllowOverride? How to Set AllowOverride All on Ubuntu for WordPress Permalink to Work Open this file in edit mode: /etc/apache2/apache2.conf. cd…
What is 3D modeling GIS? What is 3D GIS? 3D GIS brings enhanced depth into data collection and analysis by incorporating a z-value into mapping.…
When do upgrade scripts need to be written? If the project lasts long enough, upgrade scripts are written sometimes months later than the initial database…
What is thermal boundary layer illustrate the thermal boundary layer formed during flow of cold fluid over a hot plate with the help of a…