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Implement a function, one_time_init(control, init), that performs the equivalent of pthread_once(). The control argument should be a pointer to a statically allocated structure containing a Boolean variable and a mutex. The Boolean variable indicates whether the function init has already been called, and the mutex controls access to that variable. To keep the implementation simple, you can ignore possibilities such as init() failing or being canceled when first called from a thread (i.e., it is not necessary to devise a scheme whereby, if such an event occurs, the next thread that calls one_time_init() reattempts the call to init()).
Consider an industry or company with which you have some familiarity, and identify at least one possible application of business intelligence (BI) in the company. Justify your decision by presenting the business value the BI system could deliver.
Sequential and Selection Processing Control Structure
Using the class sphere given on pages 145-146, write a program that instantiates four sphere objects (assigning a radius to each instance) and adds them to a pointer-based linked list
Differences between data, voice, and video signals. Include a description comparing the differences between a PBX and VoIP. (200-350 words)
What percentage of the total CPU time is spent maintaining a clock that is accurate to a resolution of one millisecond?
Create two constructors (default and initialization), accessor (get/set) methods, a printInfo method, a toString method, a method deposit that will increase the balance by a specified amount returning nothing.
Larry wonders whether the data show that his true long-term average highway mileage is less than 51 mpg. What are his null and alternative hypotheses?
What string came from this sequence of derivations? (It should be obvious whether this is a left derivation or a right derivation.)
Given a graphics object g, write a few lines of code to have that graphics object draw a magenta circle (not filled in) that has a diameter of 200 pixels. What does invoking the base class paintComponent method accomplish?
Express you personal opinion in the essay below and answer the following questions and put them in the last paragraph and put it in order or by number.1) If a vendor or company refuses to comply with Walmart's request, is there anything Walmart?2) ..
Write a program that will demonstrate the difference between using a local page replacement policy and a global one for the simple case of two processes. You will need a routine that can generate a page reference string based on a statistical model.
Document the steps for the logic structure to capture the payment information. This can be done as either a flowchart or pseudocode. Be sure to include inputs, variable declarations and assignments, and outputs.
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