What is ActiveRecord Query? Active Record insulates you from the need to use SQL in most cases. Active Record will perform queries on the database for you and is compatible with most database systems, including MySQL, MariaDB, PostgreSQL, and SQLite. What is an ActiveRecord relation? Having queries return an ActiveRecord::Relation object allows us to chain…
Day: May 15, 2021
How long are swimming pools UK?
How long are swimming pools UK? Introducing competitive swimming pools These days, swimming competitions in England are held in either 25m or 50m pools and are referred to as short course (25m) and long course (50m) competitions. How long is a swimming pool? 25 yards In the US, pools tend to either be 25 yards…
Where is the coldest place right now?
Where is the coldest place right now? Taking the prize as “the coldest place on Earth” right now is the South Pole in Antarctica, where temperatures are currently sitting at a cool -38. Some parts of Canada are not far behind at all, though, as Eureka in Nunavut is only four degrees warmer. Where is…
Why is my Mac memory pressure yellow?
Why is my Mac memory pressure yellow? Green memory pressure: Your computer is using all of its RAM efficiently. Yellow memory pressure: Your computer might eventually need more RAM. Red memory pressure: Your computer needs more RAM. How do you fix memory pressure on a Mac? How to reduce RAM usage on a Mac Tidy…
What is sheer pink nail polish?
What is sheer pink nail polish? Sheer pink polishes fall into two categories: translucent, tinted polishes that leave behind a subtle, rosy glow; and more traditional varnishes that actually paint your nails a very light shade of pink. What is translucent pink? GELISH STRUCTURE Translucent Pink Gel is a thicker viscosity brush-on gel that will…
How do you do central tendency in Excel?
How do you do central tendency in Excel? We begin with the most commonly used measure of central tendency, the mean. Excel Function: The mean is calculated in Excel using the function AVERAGE….Measures of Central Tendency. Statistic Excel 2007 Latest Excel versions Arithmetic Mean AVERAGE(R) AVERAGE(R) Median MEDIAN(R) MEDIAN(R) Mode MODE(R) MODE.SNGL(R), MODE.MULT(R) What is…
Why did the later American Indian tribes leave Ohio?
Why did the later American Indian tribes leave Ohio? The Myaamia endured hardships of disease, war and colonization, as well, and were eventually forced to relocate under the Greenville Treaty of 1818. Eventually, all of the fiver tribes that migrated to Ohio were forced into relocation elsewhere. What was the most common native American tribe…
What will grow under a black walnut?
What will grow under a black walnut? Native Plants to Plant Under Black Walnut Trees New Jersey Tea. American Redbud. Sassafras. Elderberry. Witch Hazel. Serviceberry. Native asters. Native ferns. What flowers will grow under a black walnut tree? 49 Flowers for Planting Under a Black Walnut Tree Anemone (Anemonastrum) Aster. Bee Balm (Monarda) Begonia. Black-Eyed…
Was there a 1900 census in Puerto Rico?
Was there a 1900 census in Puerto Rico? Residents of Puerto Rico have been counted in the following Federal Census years: 1910, 1920, 1930, 1940, and 1950–present. Secondly, although it was part of the United States, only U.S. armed forces in Puerto Rico were included on the 1900 Census of the island. Does ancestry have…
What is pleural and pericardial effusion?
What is pleural and pericardial effusion? A: Pericardial effusion is the term for a buildup of fluid around the heart. Pleural effusion is the term for a buildup of fluid around the lungs, or, more accurately, in the space between the lungs and the chest cavity. What is pericardium pleural? Normally, the body produces small…