Useful tips for everyday
What is perfect forward secrecy in https? Perfect Forward Secrecy (PFS), also called forward secrecy (FS), refers to an encryption system that changes the keys…
Is it illegal to change terms and conditions? A contract of employment is a legal agreement between the employer and the employee. Its terms cannot…
How to add JavaScript to a SharePoint page? If there’sn’t an Add-in.js or App.js, create one with these steps: Right-click the Scripts node and select…
How do you calculate the back of an envelope? A back-of-the-envelope calculation uses estimated or rounded numbers to develop a ballpark figure quickly. The result…
Which algorithm is used in Sudoku? Sudoku can be solved using stochastic (random-based) algorithms. An example of this method is to: Randomly assign numbers to…
Which one is faster cursor or while loop? While SQL While loop is quicker than a cursor, reason found that cursor is defined by DECLARE…
How do I password protect a PDF attachment in an email? Open the PDF and choose Tools > Protect > Encrypt > Encrypt with Password.…
What are robust standard errors? “Robust” standard errors is a technique to obtain unbiased standard errors of OLS coefficients under heteroscedasticity. “Robust” standard errors have…
What can happen to your parking brake if you rarely use it? If you haven’t used the parking brakes in a while, don’t try using…
What is the difference between CHAR and VARCHAR? The short answer is: VARCHAR is variable length, while CHAR is fixed length. CHAR takes up 1…