stl tag

21 questions

1 answers
51 views
0

C++ template lambda function cannot be passed to the factor.

c++ stl

1 years ago

1 answers
100 views
0

:: To find out if there is a particular key map std.

std::map I want to find out if the key already exists or notWhat should I do?My code is making an error typedef map<string,string>::iterator mi;map<string, string> m;m.insert(make_pair(f,+...

c++ stl map

1 years ago

1 answers
91 views
0

Is it correct to use map:insert() or []?

When adding data to the map I know there are two ways, but I want to know the difference between the two and which one is right (standard?).

c++ map stl

1 years ago

1 answers
121 views
0

Can I convert std::vector> to an array in C++?

As the title says, I want to save vector with pair value as an array, is it possible?

c++ stl vector

1 years ago

1 answers
94 views
0

To store references in a vector?

std::vector<int &> hello;If you try to save references of int together error C2528: 'pointer' : pointer to reference is illegalAn error appears.I'm not good at using a pointer, so I'm going ...

c++ stl vector

1 years ago

1 answers
86 views
0

Why do you use an editor, not an index?

//code1for (int i = 0; i < some_vector.size(); i++){ //...}//Code2for (some_iterator = some_vector.begin(); some_iterator != some_vector.end(); some_iterator++){ //...}Usually, when you use a conta...

c++ stl iterator

1 years ago

1 answers
59 views
0

What do you do when you clear spaces in std::string?

What do you do when you clear spaces in std::string?I just change it to a repeating sentence, but I wonder if I can do it without using a repeating sentence like a tupper().

c++ stl string

1 years ago

2 answers
94 views
0

Run Error (500 ClassNotFoundException) question in JSTL Intelligence J-IDEA (2016.2.5).(It works well in Eclipse ㅜ))

Hello, I am a student studying web programming.These days, I am studying jstl and el in JSP.I am using IntelliJ IDEA as IDE.When I first created the web application project, I just copied ojdbc14.jar ...

jstl intellij-idea classnotfoundexception

1 years ago

1 answers
83 views
0

Why is there no tree container in C++STL? Please let me know what I can use instead

We need a hierarchy of trees, not for performance.I looked it up to see if it was in STL, but it wasn't there.Why doesn't C++STL have tree container? tree is useful.Can anyone tell me if there's anyth...

c++ stl tree

1 years ago

1 answers
130 views
0

If the value in JSTL is 0, can we not print it out?

<td align='center'> <c:out value='${resultList.out_qty}' /><c:out value='${resultList.in_qty}' /> </td>To display quantities in the statement output file, take out_qty, in_qt...

java jsp jstl

1 years ago

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