demiurge | PyQuery-based scraping micro-framework | Crawler library
kandi X-RAY | demiurge Summary
kandi X-RAY | demiurge Summary
PyQuery-based scraping micro-framework. Supports Python 2.x and 3.x.
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Top functions reviewed by kandi - BETA
- Gets the value of the attribute .
- Create a new ItemDescriptor .
- Return a single item .
- Get fields from base .
- Returns a list of objects from the API .
- Coerce the value .
- Build the URL .
- Return the value of the field .
- Return True if the URL is absolute .
- Create a new metaclass .
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QUESTION
#include
#include
#include
using namespace std;
void cpp_string();
void cstyle_string();
int main()
{
cpp_string();
cstyle_string();
system("pause");
return 0;
}
void cpp_string()
{
string fName, lName;
char grade;
int age;
cout << "What is your first name?";
getline(cin, fName);
cout << "What is your last name?";
getline(cin, lName);
cout << "What letter grade do you deserve?";
cin >> grade;
cout << "What is your age?";
cin >> age;
cout << "Name: " << fName << ", " << lName << endl;
cout << "Grade: " << grade << endl;
cout << "Age: " << age << endl;
return;
}
void cstyle_string()
{
char fNm[20], lNm[20];
char grade;
int age;
cout << "What is your first name?";
cin.get(fNm, 20).get();
cin.clear();
cout << "What is your last name?";
cin.get(lNm, 20).get();
cout << "What letter grade do you deserve?";
cin >> grade;
cout << "What is your age?";
cin >> age;
cout << "Name: " << fNm << ", " << lNm << endl;
cout << "Grade: " << grade << endl;
cout << "Age: " << age << endl;
return;
}
...ANSWER
Answered 2017-Dec-19 at 09:21There are two question.
Redundant
\n
the state of
cin
The last cin
in cpp_string
is cin >> age
.
It will leave a \n
not extracted.
In first of cstyle_string
is cin.get(fNm, 20).get();
The delimiting character is not extracted from the input sequence if found, and remains there as the next character to be extracted from the stream
the cin.get(FNm, 20)
will parse empty input before \n
, and no characters are available in the stream in actually. In this case, the failbit flag will be set and next all cin >>
operator will fail.
You can only call cstyle_string
and press enter directly, the same thing will happen.
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