The column iid appears to be the composition of two numbers and the first number looks like a business id. Part 1.: Create a new column called bid in the ins dataframe containing just the business id. You will want to use ins['iid'].str operations to do this. Also be sure to convert the type of this column to int Part 2.: Then compute how many values in this new column are invalid business ids (i. e. do not appear in the bus['bid'] column). This is verifying a foreign key relationship. Consider using the pd. Series. isin function

A.) generate scaffolding to create database for your application. develop all the entities identified in assignment #2. add any additional that may be identified later. b.) add data validation rules to the models that are appropriate for your application and data. c.) create links for each scaffold in the header section. part 2: application updates [30 points] a.) add two additional views to the "home" controller you created in assignment #1. b.) the two views should be named as “privacy" and "". c.) link the two newly created views in the footer section. hint: you would need to modify the “home" controller definition and create “privacy. html. erb" and “.html. erb" files in appropriate locations.

Research data that is presented using descriptive language is said to be

22. sata3 allows for data transfer rates of 600 mb/s. explain why you would likely not be able to copy data from one hard drive to another at anywhere close to this speed. also, what could be upgraded on the computer to achieve transfer speeds closer to 600 mb/s