Useful tips for everyday
How do I program a bash script? To create a bash script, you place #!/bin/bash at the top of the file. To execute the script…
What are some inappropriate uses of tables? Here are some reasons why table layouts are bad: Tables are semantically incorrect markup for layout. Tables are…
How to calculate the cardinality of a column? Cardinality of a table = Number of rows = Select count(*) from Table And if you are…
What can you do with a rotary encoder? Rotary Encoders A rotary encoder, which can also be referred to as a shaft encoder, is an…
How do I get my iPad out of supervised mode? The supervised mode can be removed by resetting/wiping the device to factory settings (Erase all…
What is the rating of relay? Contact voltage rating — typical control relays rated 300 VAC or 600 VAC, automotive types to 50 VDC, special…
Why am I not receiving emails on my Exchange? Cause: Items from an Exchange account are stored in the Outlook cache. If this cache becomes…
Is the posterior distribution always a compromise between prior and likelihood? The posterior distribution is always a compromise between the prior distribution and the likelihood…
What are the steps to change a date format to another date format? Follow these steps: Select the cells you want to format. Press CTRL+1.…
How do you create a directory if it does not exist Python? Python’s OS module provides an another function to create a directories i.e. os.…