Which of the following prototypes would be appropriate for a function whose purpose is to write to a text file a class Bird object? The function does not open the output file; it assumes the file is already open.
a. void writeBird( ofstream&, const Bird& );
b. void writeBird( ifstream&, const Bird& );
c. void writeBird( cout, Bird );
d. void writeBird( const string& Bird );
a. void writeBird( ofstream&, const Bird& );
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The command head -5 Xfile Zfile
a. displays the first 5 lines of the Xfile and Zfile files b. displays the first 5 pages of the Xfile and Zfile files c. displays the first 5 characters of the Xfile and Zfile files d. displays the first 5 paragraphs of the Xfile and Zfile files e. displays the header pages of the Xfile and Zfile
State any justifications or assumptions you make.
The BusyBee Cleaning Company specializes in providing cleaning services for both domestic and commercial clients. Each type of client has a set of requirements. For example, The Cardboard Box Company requires cleaning services from Monday to Friday 7am until 9am and 5pm until 7pm each day, but P. Nuttall only requires cleaning services on a Wednesday from 10am until 1pm. Whenever a new client is taken on, a BusyBee administrator assesses how many cleaning staff are required for the premises prior to assigning any staff to the job. Note that this is the ideal number, it may differ in practice. In addition, the administrator also assesses whether any specialist equipment is required and when. For example, three industrial floor cleaners may be needed on two out of five occasions for one commercial client. The cleaning staff work in groups of six, with a supervisor to oversee the work done. The other staff are administrative staff who manage the day-to-day office work including visiting new clients and ensuring the specialist equipment is properly maintained. (a) Develop an Entity–Relationship model from the above information. (b) Produce a set of tables from your Entity–Relationship model clearly identifying each primary key. (c) Demonstrate that your model supports the following transactions and explain how they might influence physical database design: (i) For a specific client, produce a schedule of the cleaning times together with the number of staff assigned, and details of any specialist equipment required. (ii) For a specific supervisor, produce a list of staff on their team together with their assignment details.
What quality is a technician exhibiting if the technician constantly says "I can't do that" when asked to help others on the team?
A) Business smarts B) Negative attitude C) Self preservation D) Aggressiveness
One of the two characterizations of expert hackers is ________.
automated attack tools dogged persistence Both automated attack tools and dogged persistence Neither automated attack tools nor dogged persistence