Useful tips for everyday
How to move the mouse cursor with the keyboard in Windows? How to move the mouse cursor with the keyboard in Windows. Microsoft Windows has…
How do I exclude a package from Spacemacs? It is common to define the body with the use-package macro. It is possible to exclude some…
How do you copy a cell function? Here’s how you copy and paste a formula: Select the cell with the formula you want to copy.…
How do I get to Postgres prompt? Open the psql command-line tool: In the Windows Command Prompt, run the command: psql -U userName. Enter your…
How to hide code, text output, messages? 11.7 Hide code, text output, messages, or plots | R Markdown Cookbook This book showcases short, practical examples…
Why is my calendar wrong? Although a small one, there’s a chance that if you find Google Calendar not working, it could be caused by…
How do I separate scanned photos? To batch process whole folder go to Filters > Batch Tools > Batch Divide Scanned Images… Default settings worked…
How do you find the transformation matrix for rotation? Example: Find the coordinates of the vertices of the image ΔXYZ with X(1,2),Y(3,5) and Z(−3,4) after…
What is the ROC of z-transform of finite duration anti causal sequence? What is the ROC of z-transform of finite duration anti-causal sequence? Explanation: Let…
What measures the sharpness of an image? Image sharpness can be measured by the “rise distance” of an edge within the image. With this technique,…