Useful tips for everyday
Is numerical differentiation accurate? Thus, it is clear that the numerical differentiation must be made as accurately as possible. However, it is well known that…
What do you call the reflection of light on a smooth surface? This is called specular reflection. Light reflects from a smooth surface at the…
What is hardened firewall host? You can read more about firewalls in Chapter 13. Host hardening can also mean that existing services are available only…
Where are the add-ons in Google Sheets? For Google Docs, Sheets or Slides, select Add-ons > Get add-ons… to open a dialog that lists available…
What does unknown certificate mean? The Unknown Certificate issue usually is for Secure FTP servers. The manual add as a trusted certificate is required for…
Can VLOOKUP extract data from multiple columns at once? The VLOOKUP function can be combined with other functions such as the Sum, Max, or Average…
How do I run a Drupal Composer? To do that: Run composer create-project –no-install drupal/recommended-project my_site_name_dir. Change directories to my_site_name_dir and edit the composer. json…
How do you join two unrelated tables? The most common way to join two unrelated tables is by using CROSS join, which produces a cartesian…
Can you embed a PDF in a Web page? One popular option is that you upload the PDF file to an online storage service, something…
How do I find the size of a MongoDB? Overview of db. stats() command. MongoDB Get data size and get index size in bytes. Get…