Useful tips for everyday
Do you need CMake for OpenCV? The easiest way of using OpenCV in your code is to use CMake. A few advantages (taken from the…
How do I delete a subscription from my calendar app? Old method (depends on your iOS) Go to the Settings app. Go to Mail, Contacts,…
How do I make custom labels on my iPhone Contacts? You can add a custom label to any number by tapping the Edit button while…
How do I download an AUR package? First we need to find the package in aur.archlinux.org. Then in package AUR page find the “Download tarball”…
How do I fix a corrupted SQLite database? General solution Copy corrupted map file (or other sqlite database) from your device to PC. Unpack it…
How do you append text to a cat? You can use cat with redirection to append a file to another file. You do this by…
How do you join NULL values? Since it’s not possible to join on NULL values in SQL Server like you might expect, we need to…
How do I turn off the Dvorak keyboard? To do this follow the steps given below: Click on start button. Select settings. Tap or click…
What is sensitivity and specificity in classification? Defining Sensitivity and Specificity Sensitivity is the metric that evaluates a model’s ability to predict true positives of…
How to Install Whonix on Ubuntu? Download Ubuntu [archive] (or use a different install CD or iso file) and verify using VerifyIsoHowto [archive]. Create a…