Useful tips for everyday
Why does ( Exit 1 ) not exit the script? Executing the exit in a subshell is one pitfall: #!/bin/bash function calc { echo 42;…
How do you initialize a multidimensional array in Python? How to initialize a 2D array in Python table = [] counter = 1. for r…
How do I edit APT conf file? We can create a configuration specifically for our proxy there, keeping it separate from all other configurations. Create…
Why is eBay not working on Safari? Try going to Safari/Preferences/Extensions and disable all extensions. Quit/reopen Safari and test. Try going to Safari/Preferences/Privacy/Manage Website Data…
How do I find my USB vendor ID and product ID? For Windows 7 users Go to the “Start” Menu. Select “Devices and Printers” Double-click…
CAN bus conflicts? The majority of CANBUS communication problems are caused by poor wiring, incorrect termination, or the use of multiple frequencies on the same…
Are client certificates secret? No. The certificate plus its digital signature is used to verify that the certificate belongs to the server. The digital signature…
How do you find the XY coordinates of a point in ArcGIS? Procedure In ArcMap, right-click the layer of interest, and select Edit Features >…
What wireless technologies are supported? The top 10 wireless technology trends are: Wi-Fi. 5G Cellular. Vehicle-to-Everything (V2X) Wireless. Long-Range Wireless Power. Low-Power Wide-Area (LPWA) Networks.…
How do I delete a file and folder in Terminal? Delete a Directory ( rm -r ) To delete (i.e. remove) a directory and all…