Useful tips for everyday
How to verify a PKCS7 signature in OpenSSL? This can be verified using openssl pkcs7 -inform der -print_certs -text -in LOCALSIG.DSA or openssl cms -cmsout…
Should external links open in new window? Links that take users to another page on the same website are internal links. Internal links should never…
How do I fix navigation to top? To create a fixed top menu, use position:fixed and top:0 . Note that the fixed menu will overlay…
Where is the UART on Raspberry Pi 3? So on the Raspberry Pi 3, the UART hardware interface used for the Bluetooth is named /dev/ttyAMA0…
Why is my keyboard doing weird things when I type? Sometimes your keyboard may be set to the wrong language, making it type in a…
What is a payload of a robot? Robot payload is the weight a robot arm can lift. It includes the weight of the end of…
How do I find the history of a picture? One of the easiest ways to do this is using ‘reverse image search’. Google has a…
Does CDN affect site speed? Use a CDN (content delivery network) CDNs boost the speed of websites by caching content in multiple locations around the…
Is government considered non-commercial? The definition of NonCommercial depends on the primary purpose for which the work is used, not on the category or class…
How do I setup dual monitors with different resolutions? Can I have two monitors with different resolutions? Make sure that both monitors are connected and…