Useful tips for everyday
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,…
How are frequency multipliers used to generate high frequency signal? Frequency Multipliers – Another alternative method to generate high frequency signal power with low phase…
How do I create a bump map in Photoshop? Bump maps are really easy to create using Photoshop’s 3D filters. Go to Filter > 3D…
What motor has a wide speed range? Brushless DC motors are an advanced option due to their wide speed range, low heat and maintenance-free operation.…