I hate CS graders

[Cogman]

My goodness, I think my CS grader is like some sort of nazi or something. There is no rhymn or reason to why he marks down different questions on a quiz.

For example, on of the questions was "(In c++) What are constructors/destructors"
My answer, "Functions called when objects are created/destroyed".

I completely missed it (they where 2 questions). What the heck? What is a constructor or destructor if not a function called when an object is created?

 

[Safeway]

You needed to say how they work, probably. Allocate memory from stack, return memory to stack.

 

[sdifox]

Originally posted by: Cogman
My goodness, I think my CS grader is like some sort of nazi or something. There is no rhymn or reason to why he marks down different questions on a quiz.

For example, on of the questions was "(In c++) What are constructors/destructors"
My answer, "Functions called when objects are created/destroyed".

I completely missed it (they where 2 questions). What the heck? What is a constructor or destructor if not a function called when an object is created?

I could not figure out your answer and I know what constructors and destructors do. So your answer is not complete.

 

[pontifex]

Originally posted by: Cogman
My goodness, I think my CS grader is like some sort of nazi or something. There is no rhymn or reason to why he marks down different questions on a quiz.

For example, on of the questions was "(In c++) What are constructors/destructors"
My answer, "Functions called when objects are created/destroyed".

I completely missed it (they where 2 questions). What the heck? What is a constructor or destructor if not a function called when an object is created?

i don't know anything about what you're talking about but that answer seems too short.

 

[Cogman]

Originally posted by: sdifox

Originally posted by: Cogman
My goodness, I think my CS grader is like some sort of nazi or something. There is no rhymn or reason to why he marks down different questions on a quiz.

For example, on of the questions was "(In c++) What are constructors/destructors"
My answer, "Functions called when objects are created/destroyed".

I completely missed it (they where 2 questions). What the heck? What is a constructor or destructor if not a function called when an object is created?

I could not figure out your answer and I know what constructors and destructors do. So your answer is not complete.

Ok, how would you define a constructor or destructor?

 

[homercles337]

A constructor instantiates a new instance of a class. Destructors free up the memory used in the stack by that class.

 

[Cogman]

Originally posted by: pontifex

Originally posted by: Cogman
My goodness, I think my CS grader is like some sort of nazi or something. There is no rhymn or reason to why he marks down different questions on a quiz.

For example, on of the questions was "(In c++) What are constructors/destructors"
My answer, "Functions called when objects are created/destroyed".

I completely missed it (they where 2 questions). What the heck? What is a constructor or destructor if not a function called when an object is created?

i don't know anything about what you're talking about but that answer seems too short.

we where given about 2 square inches to write our answers, so my answer could have been about another sentence longer, max.

 

[HardcoreRobot]

you listed when you use them, not what function they perform

 

[sdifox]

Originally posted by: Cogman

Originally posted by: sdifox

Originally posted by: Cogman
My goodness, I think my CS grader is like some sort of nazi or something. There is no rhymn or reason to why he marks down different questions on a quiz.

For example, on of the questions was "(In c++) What are constructors/destructors"
My answer, "Functions called when objects are created/destroyed".

I completely missed it (they where 2 questions). What the heck? What is a constructor or destructor if not a function called when an object is created?

I could not figure out your answer and I know what constructors and destructors do. So your answer is not complete.

Ok, how would you define a constructor or destructor?

I like homercles337's reply 3 above this post.

 

[Cogman]

Well, just got a response from the teacher, basically I missed the first two because I didn't say that it was a member function and I didn't specify what they are typically used for (which you have all pointed out). But still, I missed full points for that? meh, whatever, its not like it is a huge portion of my grade.

Guess I'm just bitter because I get full credit on assignments because they work perfectly yet fail quizes because my definitions aren't complete enough, yet I clearly understand how to use them in assignment...

 

[newb111]

Originally posted by: Cogman
Well, just got a response from the teacher, basically I missed the first two because I didn't say that it was a member function and I didn't specify what they are typically used for (which you have all pointed out). But still, I missed full points for that? meh, whatever, its not like it is a huge portion of my grade.

Guess I'm just bitter because I get full credit on assignments because they work perfectly yet fail quizes because my definitions aren't complete enough, yet I clearly understand how to use them in assignment...

You answered the question "When are constructors/destructors used?", not the question that was asked. I wouldn't have given points for it either.

 

[Cogman]

Originally posted by: HardcoreRobot
you listed when you use them, not what function they perform

The function they preform is whatever function you tell them to preform. Constructors and Destructors are IMO best described by when you use them and not what they do (as they can do whatever the programmer tells them to do).

That aside, saying that they primarily are used for allocating memory is really what I missed in that question, however my definition IMO is not entirely off.

 

[mugs]

Originally posted by: sdifox

Originally posted by: Cogman

Originally posted by: sdifox

Originally posted by: Cogman
My goodness, I think my CS grader is like some sort of nazi or something. There is no rhymn or reason to why he marks down different questions on a quiz.

For example, on of the questions was "(In c++) What are constructors/destructors"
My answer, "Functions called when objects are created/destroyed".

I completely missed it (they where 2 questions). What the heck? What is a constructor or destructor if not a function called when an object is created?

I could not figure out your answer and I know what constructors and destructors do. So your answer is not complete.

Ok, how would you define a constructor or destructor?

I like homercles337's reply 3 above this post.

The question asks what they ARE, not what they (typically) DO. The OP answered the question properly; if the intention was to ask what they DO, the question was worded incorrectly.

 

[AkumaX]

Originally posted by: homercles337
A constructor instantiates a new instance of a class. Destructors free up the memory used in the stack by that class.

+2 points for you

 

[JS80]

Originally posted by: Cogman
My goodness, I think my CS grader is like some sort of nazi or something. There is no rhymn or reason to why he marks down different questions on a quiz.

For example, on of the questions was "(In c++) What are constructors/destructors"
My answer, "Functions called when objects are created/destroyed".

I completely missed it (they where 2 questions). What the heck? What is a constructor or destructor if not a function called when an object is created?

BEWARE, you are being weeded out.

 

[sdifox]

Originally posted by: Cogman
Well, just got a response from the teacher, basically I missed the first two because I didn't say that it was a member function and I didn't specify what they are typically used for (which you have all pointed out). But still, I missed full points for that? meh, whatever, its not like it is a huge portion of my grade.

Guess I'm just bitter because I get full credit on assignments because they work perfectly yet fail quizes because my definitions aren't complete enough, yet I clearly understand how to use them in assignment...

It's better to know how they work than being good at writing tests. You'll do better in life than in school, which is not a bad thing at all.

 

[StormRider]

Originally posted by: Cogman
My goodness, I think my CS grader is like some sort of nazi or something. There is no rhymn or reason to why he marks down different questions on a quiz.

For example, on of the questions was "(In c++) What are constructors/destructors"
My answer, "Functions called when objects are created/destroyed".

I completely missed it (they where 2 questions). What the heck? What is a constructor or destructor if not a function called when an object is created?

If I were your TA, I would have marked your answer as correct. That's basically what they are.

 

[Cogman]

btw, here is one that I missed one point on, I know the reason now, but lets see what you gurus think.

What is this? (in reference to the keyword used in c++ objects, this comment was not present on the test)

My answer "A pointer to the object currently being used".

Missed one point, can any of you guess why?

 

[Safeway]

A pointer is a link to a specific memory location. Man, your answers suck.

 

[Cogman]

Originally posted by: Safeway
A pointer is a link to a specific memory location. Man, your answers suck.

Do you understand what I meant by my answer? I think you do. And what you are pointing out is not why I missed the point. Try again?

 

[steppinthrax]

In the fields of science and eng your knowledge about a subject is extreamly important. If you are missing any understanding in the subject later on you will have trouble. You will probably get away with that kind of answer in the liberal arts field but not in CS.

 

[Safeway]

Originally posted by: Cogman

Originally posted by: Safeway
A pointer is a link to a specific memory location. Man, your answers suck.

Do you understand what I meant by my answer? I think you do. And what you are pointing out is not why I missed the point. Try again?

Because you used the word object?

 

[homercles337]

Originally posted by: Cogman
btw, here is one that I missed one point on, I know the reason now, but lets see what you gurus think.

What is this? (in reference to the keyword used in c++ objects, this comment was not present on the test)

My answer "A pointer to the object currently being used".

Missed one point, can any of you guess why?

What was the exact question? A keyword is a predefined identifier. They can not be defined as program variables, or pointers. They can *be* pointers, but you cant define a pointer that has the same name as a keyword.

 

[Cogman]

Nope, just a hint, what I said was correct, it is what I failed to say about "this" that I was marked down for.

 

[Cogman]

Originally posted by: homercles337

Originally posted by: Cogman
btw, here is one that I missed one point on, I know the reason now, but lets see what you gurus think.

What is this? (in reference to the keyword used in c++ objects, this comment was not present on the test)

My answer "A pointer to the object currently being used".

Missed one point, can any of you guess why?

What was the exact question? A keyword is a predefined identifier. They can not be defined as program variables, or pointers. They can *be* pointers, but you cant define a pointer that has the same name as a keyword.

That was the exact question (minus the stuff in parenthesis).