Match the followingobjectconstructor methodsto their respective descriptions.
A. Returns true ifobjis frozen
B. Creates an object using the prototype,proto; wherepropertiesis an optional list of properties added to the object
C. Returns an array of the enumerable properties found inobj
D. Defines or modifies the properties,prop, for the object,obj
E. References the prototype of the object,obj
A. Object.isFrozen(obj)
B. Object.create(proto, properties)
C. Object.keys(obj)
D. Object.defineProperties(obj, props)
E. Object.getPrototypeOf(obj)
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For the data set with the attributes given below, describe how you would con- vert it into a binary transaction data set appropriate for association analysis. Specifically, indicate for each attribute in the original data set
(a) How many binary attributes it would correspond to in the transaction data set, (b) How the values of the original attribute would be mapped to values of the binary attributes, and (c) If there is any hierarchical structure in the data values of an attribute that could be useful for grouping the data into fewer binary attributes. The following is a list of attributes for the data set along with their possible values. Assume that all attributes are collected on a per-student basis: Year : Freshman, Sophomore, Junior, Senior, Graduate:Masters, Grad- uate:PhD, Professional Zip code : zip code for the home address of a U.S. student, zip code for the local address of a non-U.S. student College : Agriculture, Architecture, Continuing Education, Education, Liberal Arts, Engineering, Natural Sciences, Business, Law, Medical, Dentistry, Pharmacy, Nursing, Veterinary Medicine On Campus : 1 if the student lives on campus, 0 otherwise Each of the following is a separate attribute that has a value of 1 if the person speaks the language and a value of 0, otherwise. – Arabic – Bengali – Chinese Mandarin – English – Portuguese – Russian – Spanish
The JPA annotation @Basic specifies whether the column is optional and whether the corresponding data should loaded ________ (i.e., only when the data is accessed through the entity object) or ________ (i.e., loaded immediately when the entity object is created).
a. lazily, actively b. slowly, eagerly c. lazily, eagerly d. idly, actively
All of the following statements are true EXCEPT ________
A) creating a multi-page form enables you to divide a long form into sections B) creating a multi-page form enables you to display subforms on different tabs within the main form C) a multi-page form's format can become easily disorganized D) a multi-page form enables the user to display only the data that needs to be accessed
AI is NOT concerned with _______________.
A. building computers and robots with intelligence B. studying the thought processes of humans C. recreating the thought processes of humans via machines D. replacing workers with machines to reduce costs