Category: Lifehacks

Should you use macros in C++? As a rule, you should only use macros, when a better alternative does not exist. They should not be used to generate code; you should simply write the code instead (if the code is type-agnostic, write a template instead). What are the advantages of using macros? Advantages of using…

Do people with Aspergers have social issues? Differences in social interaction People with Asperger syndrome often have difficulty ‘reading’ other people – recognising or understanding others’ feelings and intentions – and expressing their own emotions. This can make it very hard for them to navigate the social world. What is the correct term for someone…

When can be a flyweight pattern effectively be applicable? The flyweight pattern is useful when dealing with large numbers of objects with simple repeated elements that would use a large amount of memory if individually stored. It is common to hold shared data in external data structures and pass it to the objects temporarily when…

How do you find volume when given pressure? First, let’s review the ideal gas law, PV = nRT. In this equation, ‘P’ is the pressure in atmospheres, ‘V’ is the volume in liters, ‘n’ is the number of particles in moles, ‘T’ is the temperature in Kelvin and ‘R’ is the ideal gas constant (0.0821…

How long do LED displays last? LED monitors are bright and vivid and are energy efficient. However, they can be quite expensive compared to the older types of monitor. They can work for an average of 50,000 hours. What is the lifetime of LED? According to lighting experts, LEDs are sustainable, eco-friendly, efficient, and safe…

What are some examples of misconduct by police officers? Surveillance abuse, planting evidence, racial profiling, excessive force, corruption, false imprisonment, and assault are just a few more examples of illegal acts committed by police officers. What Should I do if I Believe a Police Officer is Guilty of Misconduct? Can police legally bust into house…

Is 55000 euros a good salary in Germany? TL;DR: You will be good. You will receive around 3400€ a month after taxes and social security (medical, retirement, unemployment for you and your family as well), you will additionally get 192€ for your child every month. This is slightly above the average income for Hamburg for…

Does everyone call our planet Earth? Earth actually does not have the same name in every language. Like most words and names, Earth has its own unique name in each of the many different languages around the globe. It’s no surprise, then, that “Earth” came from the Anglo-Saxon word “erda” and the German word “erde,”…

Why is it hard to write well? It’s hard because doing it well matters, because stories matter, and the details matter, and there are often a lot of details. Sometimes they take years to organize. The feelings and ideas and memories that we put into the writing also matter, and are layered, and we can’t…

Is it bad to eat eggs cold? Bacteria that can cause illness grow quickly at warm temperatures (between 40° F and 140° F). For party planning, keep hot egg dishes hot and cold egg dishes cold: Keep egg dishes refrigerated until time to serve. Serve small platters of reheated egg dishes at a time to…