Useful tips for everyday
Does image size affect resolution? Resolution is determined by the number of pixels, or dots, in a linear inch. The higher the resolution of an…
How to execute a PDO query in PHP? PDO::query. Description. PDO::query() executes an SQL statement in a single function call, returning the result set (if…
How to count columns with the same ID? You need to count the value of the column value for each id: select t.id, (select count…
How do I share a wired Ethernet connection with all devices? Buy a “USB Ethernet adapter” or similar product, which will take an Ethernet cable…
How to create an object using the COM API? Details on creating objects using the COM API can be found in the dedicated page. To…
What is the closed unit ball? A unit ball (open or closed) is a ball of radius 1. A subset of a metric space is…
How do you do linear fit? A linear regression line has an equation of the form Y = a + bX, where X is the…
Is it bad to run microwave for a long time? Answer: Running a microwave while it is empty may cause damage to the unit. When…
What is a Universal ADB Driver? One size fits all Windows Drivers for Android Debug Bridge. What are ADB drivers for? Android Debug Bridge (adb)…
Can Docker compose read environment variable? When you run docker-compose up with this configuration, Compose looks for the POSTGRES_VERSION environment variable in the shell and…