Useful tips for everyday
How to make the Linux prompt look like PS1? The PS1 in this example displays the following three information in the prompt: \ – Username…
How do I disable disk cache in Linux? You can run hdparm -W 0 /dev/sda command to disable write caching, where you have to replace…
What is Vx in circuits? This leaves you with 10 V at Vx and 0.2Vx=2V across the voltage controlled voltage source. This means the current…
How do I use autocompletion in vim? To use the Vim auto-complete feature, just hit Ctrl + n while in insert mode, and you’ll get…
How do you create a formula in Excel that adds and subtracts? Adding and subtracting in Excel is easy; you just have to create a…
What are mutex? Mutual exclusion locks, or mutexes, are the simplest of the synchronization services. A mutex is used to ensure exclusive access to data…
How is out of bag error computed in random forest? Random forest uses bootstrap aggregation of decision trees, which are known to be overfit badly.…
How do I get rid of Meta in WooCommerce? Remove Product Meta ‘Categories’ in a Product Page – WooCommerce Open WordPress admin panel, go to…
What does the small profile picture mean in messenger? A filled blue circle with a white check mark means that your message has been delivered.…
How do I add multiple items to my cart? How to set up the WooCommerce multiple add to cart plugin Edit the product where you…