Useful tips for everyday
Why are custom fields not showing up in Visualforce? If you log into the system and pull up the visualforce page you can see all…
Is the message app encrypted? When you use the Messages app to send end-to-end encrypted messages, all chats, including their text and any files or…
How to calculate the covariance of a linear regression? I estimate the linear regression model: where y is an ( n × 1) dependent variable…
What is bag of visual words? The general idea of bag of visual words (BOVW) is to represent an image as a set of features.…
How do I turn off read only in LibreOffice? Quick cheat, useful if you upen really read-only file (mail attachment or url for example) –…
How do I enable Google Play Services after disabling it? Step 1: Make sure Google Play Services is up to date On your Android phone…
How do I enable depth in opengl? To enable depth testing, call glEnable with GL_DEPTH_TEST. When rendering to a framebuffer that has no depth buffer,…
How do you concatenate fields in SQL? SQL Server CONCAT() Function Add two strings together: SELECT CONCAT(‘W3Schools’, ‘.com’); Add 3 strings together: SELECT CONCAT(‘SQL’, ‘…
What does bias mean in data? Data bias in machine learning is a type of error in which certain elements of a dataset are more…
Can I power a USB hub? Non-powered, or passive, USB hubs do not have an external power source and only pull power from the computer’s…