Useful tips for everyday
How do you fire an event in lightning component? Fire an Event To get a reference to a component event in JavaScript, use cmp. getEvent(“evtName”)…
Can a class be inside a method? In Java, we can write a class within a method and this will be a local type. Like…
How do I fix No module named cv2? Resolution for No module named ‘cv2’ Open command prompt. Run following command: $ python -m pip install…
What is theme in coding? Thematic coding is a form of qualitative analysis which involves recording or identifying passages of text or images that are…
How can we extract data from a database? SQL uses a variety of statements and clauses to get information out of databases; such as: SELECT…
What is an interaction UX pattern? An interaction design (ID) pattern is a general repeatable solution to a commonly-occurring usability problem in interface design or…
How is memory allocated in the Linux kernel? Linux provides a variety of APIs for memory allocation. You can allocate small chunks using kmalloc or…
How do I connect photodiode with Arduino? About this project Step 1: Gather Stuff. Stuff you are gonna need: Arduino. 150 ohms resistor. 3k ohms…
Do cosine functions have limits? The trigonometric functions sine and cosine have four important limit properties: You can use these properties to evaluate many limit…
How do you position a relative element? 2 Answers. position: absolute will position the element by coordinates, relative to the closest positioned ancestor, i.e. the…