? in cpp

Initialize an array in c++

int nums[100] = {0}; // initiallize all values to 0

int nums[5] = {1,2,3,4,5};

// type name[size] = {values};

Source: dummies.com

? in cpp

e = ((a < d) ? (a++) : (a = d))
  //advance if else condition

Source: en.cppreference.com

# in c++

You can use '#' sign to get exact name of an argument passed to a macro:
#define what_is(x) cerr << #x << " is " << x << endl;
int variable = 376;
what_is(variable);
// prints "variable is 376"

Similar codes

0 vote264 views2 answers
Subtract two numbers without using arithmetic operators in java
C++
1 vote275 views1 answer
How to delete an element in vector pair in cpp
C++
0 vote277 views1 answer
How to read qlistwidget in c++
C++
0 vote292 views1 answer
C++ first index 0 or 1
C++
4 votes280 views3 answers
Convert int to binary string c++
C++
0 vote265 views1 answer
Making content editable
C++
5 votes247 views1 answer
How to use comparator funtion in priority queue in c++
C++
0 vote262 views2 answers
QVariant to int
C++
-2 votes250 views1 answer
C++ constant
C++
0 vote254 views1 answer
How to grab each character from a string
C++