Useful tips for everyday
What is a smart pointer in C? Concept of the C++11 Smart Pointers Smart pointers are class objects that behave like built-in pointers but also…
How do I clean my docker images and containers? Prune unused Docker objects Prune images. The docker image prune command allows you to clean up…
Is my Gmail deleted? Look for a Gmail link in the “My Products” section of your Google account. If the Gmail account has been deleted,…
How do I create a symbol in Ruby? Ruby symbols are created by placing a colon (:) before a word. You can think of it…
Why are equal variances important? However, they still have equal variance. So why is homoscedasticity so important? It is important because it is a formal…
What is parent process and child process? A parent process is one that creates a child process using a fork() system call. A parent process…
What does it mean by invalid identifier? Invalid identifier means the column name entered is either missing or invalid, this is one of the most…
Why do some US plugs have 3 prongs? When you plug in a three-pronged plug, that third prong is providing an alternate pathway for electricity…
How do you create a simple hash function? Simple hash functions Division method (Cormen) Choose a prime that isn’t close to a power of 2.…
How do I align different slides? To align objects to the slide: Select the objects you want to align. To select multiple objects at once,…