Useful tips for everyday
How to create dynamic columns based on values? If a user sets the slicer to use the entire range, then all columns will be displayed,…
What is etc ssh sshd_config? The /etc/ssh/sshd_config file is the system-wide configuration file for OpenSSH which allows you to set options that modify the operation…
Is there a way to tell when a photo was taken? EXIF Data Is Always The First Stop. EXIF data is a form of metadata…
Is Secure Boot Safe boot? Secure Boot helps to make sure that your PC boots using only firmware that is trusted by the manufacturer. After…
Is it possible to get more clicks than impressions? As browsers cache search results, Google won’t record impressions on these ads multiple times. This can…
Can airport codes change? Can an airport change its airport code? Yes, the IATA code can be changed and it has been done in the…
How do I compare two columns with NULL values in SQL? 2 Answers. Use <=> (null-safe equality operator) negated comparison which returns FALSE in case…
How to install OpenCV 4 on a Raspberry Pi 4? After downloading the Raspbian Buster .img file you can flash it to your micro-SD card…
What does it mean to have multiple entry points? Multiple entry points—diverse tasks that tap students’ particular inclinations and favoured way of representing know ledge.…
How do I restrict access to Confluence pages? To restrict who can view or edit a page or blog post: Chose the Restrictions icon at…