Deck 23: Boost Libraries, Technical Report 1 and C0x

Question 1

Regular expressions are used in:

A) text editors
B) online forms
C) IDEs
D) all of the above

Answer 1

D

Question 2

Which of the following is not a member function or operation of shared_ptr.

A)reset
B)use_count
C)->
D)delete

Answer 2

D

Question 3

The Random library provides:

A) pseudo-random number generators
B) uniform distributions
C) custom distributions
D) all of the above

Answer 3

D

Question 4

C++0x will be

A) easier to learn
B) better for building libraries
C) more compatible with C
D) all of the above

Question 5

Which of the following will not be included in C++0x?

A) decimal types
B) rvalue reference
C) template aliases
D) variable type deduction

Question 6

Regex_replace returns an):

A)bool
B)string
C)smatch
D)void

Question 7

An auto_ptr can manage any:

A) dynamically allocated object
B) dynamically allocated array
C) dynamically allocated object that can be destroyed with delete
D) object

Question 8

The character class \s represents any:

A) whitespace character
B) space character
C) string character
D) non-whitespace character

Question 9

A copy of an auto_ptr:

A) shares the resource
B) destroys the resource
C) can be used in an STL container
D) sets the original auto_ptr to null

Question 10

The unordered associative containers use a to determine where in the container to place the value.

A) bucket
B) delegator function
C) float
D) hash function

Question 11

The regular expression "[^0-9]+:\s\d{2,}" matches:

A) "123: Jones"
B) "John 32145"
C) "A7"
D) "j: 16"

Question 12

A program using Boost.Regex must include the header file.

A)boost_regex.h
B)regex.hpp
C)regular_exp.hpp
D)regex.h

Question 13

When the last shared_ptr to a resource is destroyed, all weak_ptrs to that resource .

A) are destroyed
B) are set to NULL
C) are not affected
D) can still access the resource

Question 14

The "^" and "$" characters represent:

A) back references
B) the beginning and end of a string
C) the beginning and end of a regular expression
D) none of the above

Question 15

To use shared_ptrs in your program you must include the header file.

A)smart_ptr.hpp
B)shared_ptr.hpp
C)shared.hpp
D)shared_ptr.h

Question 16

The dot character .) matches:

A) any visible character
B) any nonvisible character
C) any character
D) any character except a newline

Question 17

Use the weak_ptr member function to create a shared_ptr to the resource ob?served by the weak_ptr.

A)lock
B)use_count
C)reset
D)getSharedPtr

Question 18

The library in TR1 is based on a Boost library.

A) Regex
B) Unordered Associative Containers
C) Date
D) all of the above

Question 19

To replace only the first match to a regular expression, you must pass as an ar?gument to regex_replace.

A)-1
B)format_first_only
C)replace_first_only
D)0

Question 20

The regular expression "A{5,}" matches:

A) less than 5 A's
B) exactly 5 A's
C) at least 5 A's
D) none of the above

Question 21

A declaration allows you to test certain aspects of a program at compile time.

A)compile_time_test
B)static_assert
C)test
D)check