Useful tips for everyday
What is Apple ID trusted phone number? A trusted phone number is a number that can be used to receive verification codes by text message…
Does Can-Spam apply to research? E-mails containing opinion and research surveys may fall outside the scope of CAN-SPAM, but if any such message contains advertising…
What should be the value of Courant number? The Courant number is a dimensionless value representing the time a particle stays in one cell of…
What two things should be considered when choosing a viscosity for a system? Temperature. As the saying goes, “The most important factor affecting the value…
How do you convert min to max? In summary: to change a max problem to a min problem, just multiply the objective function by −1.…
What is the time dependent Schrödinger wave equation? The Schrödinger equation has two ‘forms’, one in which time explicitly appears, and so describes how the…
Can we use contains in list apex? There are two new List methods: contains(listElement), and indexOf(listElement). The methods take a List element as an argument…
When would you use transaction isolation? Transactions must be run at an isolation level of at least repeatable read to prevent lost updates that can…
How do I deal with my first deployment? Here are some suggestions for coping: Find things to look forward to. Reach out to others who…
What is the difference in passing information using query strings and URL path? Both parameters and query string contain key-value pairs. In a POST request,…