Useful tips for everyday
What are column headers for? In Excel and Google Sheets, the column heading or column header is the gray-colored row containing the letters (A, B,…
What is stealth mode on a firewall? About “Stealth Mode”: Stealth mode prevents the router from responding to probing requests. The router will still answer…
Why is probability needed? Probability provides information about the likelihood that something will happen. Meteorologists, for instance, use weather patterns to predict the probability of…
Why are UUIDs not used as primary keys? For each of these columns in a set of table with billions of accounts, the extra size…
What are the benefits of having a lower feature size? Less dimensions mean less computing. Less data means that algorithms train faster. Less data means…
Which variables are initialized by default value? Unlike local variables, class variables and instance variables are given default values. Numeric types are automatically initialized to…
How can I reverse engineer a whole website? The great thing is that all this is laid out in order in the network tab of…
How do I restrict access to a page in WordPress? Now you need to edit the pages or posts you want to be restricted by…
Is my hotspot secure? But portable Wi-Fi hotspots aren’t entirely safe. What this means is that when you create a hotspot on your Android smartphone,…
Can a crankshaft warp? If there is a bearing failure, extra clearance will be created and the crankshaft will move around more freely in the…