Useful tips for everyday
How do I zip a file on Raspberry Pi? Extracting Zip Files The zip and unzip commands are default to the Raspberry Pi OS, so…
Why are static classes bad? Since classes with static methods have nothing to do with objects, they don’t know who they are, what they should…
Do you need Adobe Reader to open PDF? It’s not mandatory. You need Adobe Acrobat Reader DC for opening PDF documents, but it’s not the…
How does a display with a common cathode connection work? In the common cathode display, all the cathode connections of the LED segments are connected…
What integration test should cover? Test cases should not be too complex Usually, Integration testing involves checking the interfaces between components or with external systems.…
How to prevent access to certain user roles? Roles vs. Capabilities: As role names can change and as roles are just groups of capabilities, it’s…
How do you stencil a PCB? PCB Stencils are manufactured by creating openings through lasers on a stainless steel foil based sheet at the positions…
How do you reverse the elements in a linked list? Iterative Method Initialize three pointers prev as NULL, curr as head and next as NULL.…
How long can a jet engine run continuously? Large turbofan engines like CF6 are more designed for long range flights, which usually have a duration…
What camera can be used with OpenCV? One of the most widely used webcams for accessing OpenCV. Microsoft’s Lifecam HD-3000 is an older option but…