Useful tips for everyday
What is horizontal scaling vs vertical scaling? Horizontal scaling means scaling by adding more machines to your pool of resources (also described as “scaling out”),…
How do I boot from a recovery partition? Turn off the HP computer and disconnect non-essential cables and devices such as printers, fax machines and…
How can I charge my MacBook Pro without a MagSafe charger? In case you’re stuck in this situation, here are some ways on how to…
How do you find the multiplicity of a prime factor? Each time you find a prime factor, divide by that factor until it is no…
How do you use callback function in hooks? Working example x, if you want to invoke a callback function on state change using useState hook,…
How does session timeout work in Java? By default, a servlet container (i.e. Java web server) defines the global value of session timeout for all…
How do I fix broken links in WordPress? First go to Tools> Broken Links. There you can see how many dead links were found on…
What is declaration and definition in C++? A C++ program consists of various entities such as variables, functions, types, and namespaces. Each of these entities…
How do I extract data from a map package? Use the Extract Package tool to extract a map package file to a specific folder. Start…
Can you pivot in PostgreSQL? Luckily PostgreSQL has a function for creating pivot tables. It’s called crosstab . In this article we’re going to look…