Why are concrete sleepers better than wood? Advantages include: They do not rot like timber sleepers, are fire proof, their extra weight makes track more stable (particularly with changes in temperature), they can withstand fire hazards better than wooden sleepers, they give more retentivity to the track, they have a longer life than wooden sleepers,…
Category: Guidelines
What is the best job to get at 15?
What is the best job to get at 15? Here are 15 of the best jobs on the market for 15-year-olds: Tutor. Busser. Car Wash Attendant. Lawn Caretaker. Document and Photo Scanner/Archiver. House Cleaner. Babysitter. Pet Sitter. What career should I choose if I want to travel the world? FLIGHT ATTENDANT: For those who love…
What is atomic property in Swift?
What is atomic property in Swift? Atomic property is one of the commonly-requested Swift features, that exists in Objective-C. By default, an Objective-C property is atomic. Defining a property as atomic should guarantee that it can be safely read and written from different threads. To implement atomic property in Swift we can use a lock….
When did loan sharks first appear?
When did loan sharks first appear? They were lean operations that could move their offices quickly when necessary. They became known as loan sharks. The term began to appear in the press in the 1880s. Where did the term loan shark come from? Private, unregulated lending to high-risk borrowers is the answer, or at least…
What happened due to Communal Award?
What happened due to Communal Award? The Communal Award, announced by Ramsay MacDonald on 16 August 1932, ensured the retention of separate electorates for Muslims, Sikhs and Europeans, and considerably increased the limited number of provinces that offered, under the Government of India Act of 1919, separate electorates to Anglo-Indians and Indian … What was…
What happens when a stock hits all-time high?
What happens when a stock hits all-time high? A record high is the highest historical price level reached by a security, commodity, or index during trading. All-time record highs typically represent significant price news for companies and markets—investors may be enticed to purchase stock, believing the company will continue to perform well. How do you…
What can you spray on roses to keep bugs off?
What can you spray on roses to keep bugs off? Mix one tablespoon of vinegar with one cup of water. Add one and a half tablespoons of baking soda plus one tablespoon of dish soap and one tablespoon of vegetable oil (or any other cooking oil). Stir this mixture into one gallon of water, and…
What is the main difference between Sapply and Lapply?
What is the main difference between Sapply and Lapply? Difference between apply(), sapply(), and lapply() Functions Function Arguments lapply() The lapply() function includes two arguments, X and FUN. It does not have the MARGIN. sapply() This function also has two arguments, X and FUN. The ARGIN argument is not included. What is Lapply used for…
What is the criteria for neglect of a child?
What is the criteria for neglect of a child? State laws often define neglect as the failure of a parent or caregiver to provide needed food, shelter, clothing, medical care, or supervision to the degree that a child’s health, safety, and well-being are threatened with harm. Some states include exceptions for determining neglect. Can child…
How do you get a lot of engagement on Twitter?
How do you get a lot of engagement on Twitter? 5 ways to boost Twitter engagement Catch your audience at the right time. Make the most of visual elements. Interact with your customers’ Tweets. Jump in on a trending conversation. Create polls on relevant topics. How long does it take for a like to register…