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Way to get number of digits in an int?
...tln(i + " " + method1(i) + " " + method3(i));
for (int i = 333; i < 2000000000; i += 1000)
if (method1(i) != method3(i))
System.out.println(i + " " + method1(i) + " " + method3(i));
for (int i = 0; i < 1000; i++)
if (method1(i) != method4(i))
Sys...
How should I detect unnecessary #include files in a large C++ project?
I am working on a large C++ project in Visual Studio 2008, and there are a lot of files with unnecessary #include directives. Sometimes the #include s are just artifacts and everything will compile fine with them removed, and in other cases classes could be forward declared and the #include could...
Paging in a Rest Collection
...the representation by design may be partial, and is returned with a status 200, and potentially paging links). See RFC 4287 and RFC 5005.
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Finding all possible combinations of numbers to reach a given sum
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C++ version of the same algorithm
#include <iostream>
#include <list>
void subset_sum_recursive(std::list<int> numbers, int target, std::list<int> partial)
{
int s = 0;
for (std::list&...
Using “super” in C++
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Bjarne Stroustrup mentions in Design and Evolution of C++ that super as a keyword was considered by the ISO C++ Standards committee the first time C++ was standardized.
Dag Bruck proposed this extension, calling the base class "inherited." The proposal mentioned the multiple i...
Stack, Static, and Heap in C++
... time without garbage collection.)
Personally, when I hear people say that C++ doesn't have garbage collection, my mind tags that as a feature of C++, but I'm probably in the minority. Probably the hardest thing for people to learn about programming in C and C++ are pointers and how to correctly han...
Struct inheritance in C++
Can a struct be inherited in C++?
6 Answers
6
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Find out if string ends with another string in C++
How can I find out if a string ends with another string in C++?
20 Answers
20
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Using scanf() in C++ programs is faster than using cin?
... 6.8 seconds
iostream with sync_with_stdio(false): 5.5 seconds
C++ iostream wins! It turns out that this internal syncing / flushing is what normally slows down iostream i/o. If we're not mixing stdio and iostream, we can turn it off, and then iostream is fastest.
The code: https://gi...
What open source C++ static analysis tools are available? [closed]
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Oink is a tool built on top of the Elsa C++ front-end. Mozilla's Pork is a fork of Elsa/Oink.
See: http://danielwilkerson.com/oink/index.html
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