Useful tips for everyday
How do you calculate field of view? Field of View = Field Number (FN) ÷ Objective Magnification For instance, if your eyepiece reads 10X/22, and…
How does the review system work? The Decision Review System (DRS) is a technology-based process for assisting the match officials with their decision-making. On-field umpires…
How to set field value based on another field? set field value based on another field powerapps Now go to the SharePoint List (Access Registers).…
How do I use Cloudflare with AWS? Configuring an Amazon Web Services static site to use Cloudflare EN-US Follow Overview. Configure your AWS S3 buckets.…
Can you update a docker container? Docker images within a running container do not update automatically. Once you have used an image to create a…
How do I check if a record exists on a table? To test whether a row exists in a MySQL table or not, use exists…
What is the difference ETL and ELT? In ETL data moves from the data source, to staging and then into the warehouse. All transformations are…
What is system tablespace? The system tablespace is the storage area for the InnoDB data dictionary, the doublewrite buffer, the change buffer, and undo logs.…
What are the advantages of using a binary file to store data? 1 Binary file structure. One of the advantages of binary files is that…
How do I lock a document in MongoDB? MongoDB does not provide mechanism for a lock. But this can be easily implemented at application level…