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Weighted random numbers
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Updated answer to an old question. You can easily do this in C++11 with just the std::lib:
#include <iostream>
#include <random>
#include <iterator>
#include <ctime>
#include <type_traits>
#include <cassert>
int main()
{
// Set up distribution
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Dynamic variable names in Bash
... a variable which is a “name reference” to another variable, much like C++ references. Just as in Method 1, the reference stores the name of the aliased variable, but each time the reference is accessed (either for reading or assigning), Bash automatically resolves the indirection.
In addition, ...
How to use SVN, Branch? Tag? Trunk?
...zing the source code base when mixing two or more languages (like Java and C++)
Suggestions for a good commit message: format/guideline?
How often to commit changes to source control?
Learning Version Control, and learning it good
Regarding the basic Subversion concepts such as branching and taggi...
Where do the Python unit tests go?
...y in languages other than Python this can look horrible, so if you're in a C++ or Java shop your colleagues may frown on this. It also doesn't work well with code coverage tools.
– Keeely
Jun 15 '17 at 9:57
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What is the difference between association, aggregation and composition?
...se languages. If you want to really understand composition you have to use C++ where objects can REALLY be part of other objects.. Not just floating in heap memory and holding pointers to each other and claiming there is composition..
– Everyone
Mar 9 '17 at 9:...
CruiseControl [.Net] vs TeamCity for continuous integration?
...cts... I have a (possibly slightly strange) arrangement where I have many C++ static libraries which I compose into applications. Each library depends on other libraries and the apps pull in a set of libs and build. Each lib has a test suite. Each app has a test suite. I build for 5 compilers and v...
Conventions for exceptions or error codes
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C++17 introduces the nodiscard attribute that will give a compiler warning if the return value of a function is not stored. Helps a little bit to catch forgotten error code checking. Example: godbolt.org/g/6i6E0B
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Cycles in family tree software
I am the developer of some family tree software (written in C++ and Qt). I had no problems until one of my customers mailed me a bug report. The problem is that the customer has two children with their own daughter, and, as a result, he can't use my software because of errors.
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Learning to write a compiler [closed]
Preferred languages : C/C++, Java, and Ruby.
38 Answers
38
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C/C++ NaN constant (literal)?
Is this possible to assign a NaN to a double or float in C/C++? Like in JavaScript you do: a = NaN . So later you can check if the variable is a number or no.
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