Useful tips for everyday
Why do we square in the chi squared test? A chi-square statistic is one way to show a relationship between two categorical variables. In statistics,…
How do I force a user to change password in Linux? To force a user to change his password we use passwd command with -e…
How do you convert rectangular form to polar form? To convert from polar coordinates to rectangular coordinates, use the formulas x=rcosθ and y=rsinθ. See Example…
How do you display a text when the mouse is over an image? HTML – How to Show Text Above Image on Hover HTML. First,…
Which hash algorithm is best? Google recommends using stronger hashing algorithms such as SHA-256 and SHA-3. Other options commonly used in practice are bcrypt ,…
What is autocomplete API? The Places API is also available with the Java Client, Python Client, Go Client and Node. The Place Autocomplete service is…
How do I change my default port 22? To change the SSH port: Log on to the server as an administrator. Open the SSH configuration…
Is reload this page the same as refresh? In context|computing|lang=en terms the difference between reload and refresh. is that reload is (computing) to refresh a…
How do you pull data from a Pivot Table using VLOOKUP? To use VLOOKUP in pivot table is similar to using VLOOKUP function to any…
How much should you spend on security? On average, a security spending level of 3 – 6 percent of total IT budget is considered the…