Useful tips for everyday
How to check the correlation between categorical and numeric variables? You could do a logistic regression and use various evaluations of it (accuracy, etc.) in…
How do I use redshift COPY command? The basic COPY command syntax is as follows. COPY table_name [ column_list ] FROM data_source CREDENTIALS access_credentials [options]…
How is PowerShell used to retrieve content types? Over the weekend I quickly threw something together and the result is a PowerShell script that iterates…
How do I remove certificate authority from my phone? Go to “Settings” and select “Screen Lock and security”, “User credentials”. Click and hold on the…
How do I retrieve a deleted backup? Once you have File History configured, you can recover files by navigating to Settings, selecting “Update and Security”,…
Why are my brake lights not turning off? A Faulty Brake Light Sensor or Switch: If your vehicle’s brake switch is not working properly, the…
What is a left hand side? adjective [ADJECTIVE noun] If something is on the left-hand side of something, it is positioned on the left of…
How can I test the installation of uv4l? If you have installed uv4l-server then there is a small web server which will allow you to…
How do you find the middle of a histogram? If you’re asked to find the center of a distribution in statistics, you generally have three…
Is it possible to synchronize two clocks? If, then, we place a flashbulb at the midpoint of the line joining the two clocks, and flash…