Useful tips for everyday
How do I search for a specific text in Google? You can find a specific word or phrase on a web page on your computer.…
How to get user names from / etc / passwd? Trawl through /etc/passwd with grep to get user names, and then use id to specify…
How do I force BIOS to update from Command Prompt? In the Command Prompt window, at the C:\Windows\system32> prompt, type in cd\ and press Enter…
Does MacBook Pro need external DAC? For the best sound quality possible, Apple will stream in Hi-Resolution Lossless Audio. This is where you will need…
Why does my Wi-Fi randomly disconnect for a few seconds? Common Causes Why Internet Randomly Connects and Disconnects When it comes to connecting to the…
How do you read integers separated by space? Explaination Use readLine() method of BufferedReader and scan the whole String. Split this String for str.split(“\\s”) Iterate…
Does make work with Clang? cpp you can compile it with make CXX=g++ test or make CXX=clang test and it should pass the appropriate flags…
Are MQTT brokers free? You can install an MQTT broker on your own server hardware including a raspberry Pi. There are many brokers/servers to choose…
How to create a covariance matrix in R? [This is the easiest way to get a covariance matrix in R.] But we’ll use the following…
How do I decrypt Vigenere cipher? To decrypt, take the first letter of the ciphertext and the first letter of the key, and subtract their…