Useful tips for everyday
What is the oldest file system? List of default file systems Release year Operating system File system 1981 PC DOS 1.0 FAT12 1982 MS-DOS 1.25…
Why asynchronous is bad? 1. Async makes your code hard to read. IMHO the most important reason to not do async is that synchronous code…
How to lock reads and deletes in InnoDB? For locking reads (SELECT with FOR UPDATE or LOCK IN SHARE MODE), UPDATE, and DELETE statements, locking…
How do you find if a system is causal or not? 3.3. A system is said to be causal if it does not respond before…
How do I make RGB colors? To form a color with RGB, three light beams (one red, one green, and one blue) must be superimposed…
How do I use Find and Replace in regex? Find and replace text using regular expressions Press Ctrl+R to open the search and replace pane.…
Can you print a folder list? To print all of the files in a folder, open that folder in Windows Explorer (File Explorer in Windows…
Can you tell what device someone is sharing their location from? No. Apple lets people choose which device feeds the location for them. Apple lets…
How do you create a test plan strategy? Here’s where you should start: Analyze the product or feature you’re testing. Design the test strategies (and…
What does the function fread do in R? Its fread() function is meant to import data from regular delimited files directly into R, without any…