A. create a doubly linked list based deque dll class that implements the deque interface. the class skeleton and interface are provided to you. b. implement a string tostring () method that creates and returns a string that correctly represents the current deque. such a method could prove useful for testing and debugging the class and for testing and debugging applications that use the class. assume each queued element already provides its own reasonable tostring method.

Which of the following methods could be considered a “best practice” in terms of informing respondents how their answers to an on-line survey about personal information will be protected? respondents are informed that investigators will try to keep their participation confidential; however, confidentiality cannot be assured. respondents are informed that a research assistant will transfer all the research data to a password-protected computer that is not connected to the internet, via a usb flashdrive. the computer is located in a research team member’s office. the investigator uses the informed consent process to explain her institution’s method for guaranteeing absolute confidentiality of research data. the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents’ ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed.

You are new to microsoft certification and want to start out by getting a certification geared around windows 8. what microsoft certification should you pursue?

Light travels at a speed of 186,000 miles a second. the distance light travels in a year is 5,865,690,000,000 miles/year 5,865,695,000,000 miles/year 58,656,950,000,000 miles/year 6,789,000,0000 miles/year