Useful tips for everyday
Is empty string the same as null? An empty string is a string instance of zero length, whereas a null string has no value at…
What do you need to know about Strongarm? Strongarm has the expertise and experience to customize, design, and build the ideal operator interface to suit…
Does a microcontroller need to be programmed to be useful? Most have USB interfaces, but some smaller microcontrollers require a special hardware to be programmed.…
How can I find out what part is in a Lego set? If you know which set your part comes from, or you know of…
Does turning on and off lights use more electricity? Do you waste more electricity by turning lights on and off? While turning off lights saves…
Can you save an image from Google Sheets? While you can’t download individual images from Google Docs (or, at least, not very easily), you can…
What is integer programming algorithm? There are three main categories of algorithms for integer programming problems: – Exact algorithms that guarantee to find an optimal…
Who is the founder of Sieve of Eratosthenes? The Sieve of Eratosthenes is an ancient method of finding prime numbers up to a specified integer.…
How many data blocks can an inode point to directly? In fact, only the first 12 block pointers in the inode are reserved for direct…
How do I stop a nohup process from running? When using nohup and you put the task in the background, the background operator ( &…