Term
Plankalkul Syntax
| A + 1 => A
V | 4 5
S | 1.n 1.n |
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Definition
| An assignment statement to assign the expression A[4] + 1 to A[5] |
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Term
Short Code
03 -> =, 20 -> SORT, 06 -> abs value
00 X0 03 20 06 Y0 |
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Definition
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Term
C#
What is the type of the following variables?
var = sum 0;
var total = 0.0;
var name = "CSCI"; |
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Definition
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Term
Fill in the blanks with the following terms: global, local, non-local
var y = 0; // y: _____ variable
function outer() {
var x = 1; // x: _____ to outer()
function inner() {
x += 1; // x: _____ to inner()
}
} |
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Definition
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Term
A method of creating _____ scopes inside program units
void sub() {
int count;
while(...) {
int count;
count++;
...
}
...
} |
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Definition
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Term
A global variable can be _____ in functions but can be _____ in a function only if it has been declared to be _____ in the function
def func():
global g
print g
g = "reset to default" # reset global var
print g
g = "set global var's val" # update global var
func()
g = "update global var's val again"
print g |
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Definition
| referenced, assigned, global |
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Term
function big() {
function sub1() {
var x = 7;
sub2();
}
function sub2() {
var y = x;
...;
}
var x = 3;
}
Static scoping: Reference to x in sub2 is to _____
Dynamic scoping: Reference to x in sub2 is to _____ |
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Definition
| big's x = 3, sub1's x = 7 |
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Term
| Literal form (in Python): (7 + 3j), where 7 is the _____ part and 3 is the _____ part |
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Definition
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Term
What are the indices in this code snippet?
$array = array(
"foo" => "bar",
"bar" => "foo"
); |
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Definition
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Term
Which of the following terms describes the code snippets below?
Terms: fixed heap-dynamic, fixed stack-dynamic, heap-dynamic, static
static myClass anAry[100];
myClass anAry[100];
myClass* heapAry = new myClass[100];
@schools = ("GMU", "GWU"); |
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Definition
| static, fixed stack-dynamic, fixed heap-dynamic, heap-dynamic |
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Term
| list = [x ** 2 for x in range(12) if x % 3 == 0] |
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Definition
| assign [0, 9, 36, 81] to list |
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Term
Python
vector = [2, 4, 6, 8, 10, 12, 14, 16]
mat = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
vector[3:6] = ?
mat[0][0:2] = ? |
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Definition
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Term
Ruby
What elements of list does list.slice(2, 2) return? |
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Definition
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Term
| COBOL uses _____ _____ to show nested records |
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Definition
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Term
ML
val myTuple = (3, 5.8, 'apple');
Which element does #1(myTuple) access? |
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Definition
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Term
ML
type intReal = int * real;
What has been defined above? |
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Definition
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Term
F#
let tup = (3, 5, 7)
let a, b, c = tup
This assigns a _____ to a _____ _____ _____ |
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Definition
| tuple, tuple pattern (a, b, c) |
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Term
Lisp and Scheme
Lists are delimited by _____
Data is quoted with an _____. Give an example |
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Definition
| parentheses, apostrophe, '(A B C) |
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Term
What does the following return?
(CAR '(A B C))
(CDR '(A B C))
(CONS 'A (B C))
(LIST 'A 'B '(C D)) |
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Definition
| A, (B C), (A B C), (A B (C D)) |
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Term
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Definition
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Term
Python
What does the following create?
range(7)
[x * x for x in range(7) if x % 3 == 0] |
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Definition
[0, 1, 2, 3, 4, 5, 6]
[0, 9, 36] |
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Term
F#
let myArray = [for i in 1..5 -> (i * i)]
printf "%A" myArray
What is printed? |
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Definition
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Term
Haskell
[n * n | n <- [1..10]] |
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Definition
| [1, 4, 9, 16, 25, 36, 49, 64, 81, 100] |
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Term
F#
What is the type of the following?
type intReal =
| IntValue of int
| RealValue of float;; |
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Definition
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Term
F#
let a = 7;;
let b = "grape";;
let x = match (a, b) with
| 4, "apple" -> apple
| _, "grape" -> grape
| _ -> fruit;;
// apple, grape, fruit: variable
let filter123 x =
match x with
| 1 | 2 | 3 -> printfn "Found 1, 2, or 3!"
| a -> printfn "%d" a |
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Definition
x matches with grape
7 is printed |
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Term
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Definition
| j = the value located at ptr |
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Term
What is this an example of?
int *p1 = new int;
int *p2 = p1;
delete p1; |
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Definition
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Term
What is this an example of?
int *p1 = new int;
p1 = new int; |
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Definition
| Lost heap-dynamic variable (memory leakage) |
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Term
| void * can point to _____ type, can be _____-_____, and cannot be _____-_____ |
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Definition
| any, type-checked, de-referenced |
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Term
C and C++
float stuff[100];
float *p;
p = stuff;
*(p + i) is equivalent to _____ and _____ |
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Definition
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Term
Lisp:
What is (+ a (* b c))? |
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Definition
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Term
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Definition
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Term
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Definition
| 2 ** 2 ** 3 = 2 ** 8 = 256 |
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Term
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Definition
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Term
int g = 10;
int fun() {
g = 20;
return g;
}
int main(int arg, char* args[]) {
printf("%d\n", fun() + g);
printf("%d\n", g + fun());
return 0;
}
What is printed? |
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Definition
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Term
result1 = (fun(a) + b) / (fun(a) - c);
temp = fun(a);
result2 = (temp + b) / (temp - c);
If fun() has no side effects, result1 _____ result2 |
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Definition
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Term
Perl
Write equivalent code:
($flag ? $total : $subtotal) = 0 |
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Definition
if($flag) {
$total = 0
}
else {
$subtotal = 0
} |
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Term
C-based languages
Describe what's happening in each of the following:
sum = ++count
sum = count++
count++
-count++ |
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Definition
count incremented, then assigned to sum
count assigned to sum, then incremented
count incremented
count incremented then negated |
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Term
| C or C++? Any number of segments can be executed in one execution of the switch statement construct |
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Definition
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Term
| C or C++? Disallows the implicit execution of more than one segment |
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Definition
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