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How can I declare and define multiple variables in one line using C++?
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As of 2k18, you can use Structured Bindings:
#include <iostream>
#include <tuple>
int main ()
{
auto [hello, world] = std::make_tuple("Hello ", "world!");
std::cout << hello << world << std::endl;
return 0;
}
Demo
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Rails respond_with: how does it work?
...Rails 4.2 (release notes / commit dated Aug 2014). While responders is not included in Rails by default, it is a dependency of Devise, and thus available in many Rails applications.
The #respond_to instance method, however, is still a part of Rails (5.2rc1 as of this writing).
The official Rails A...
Hidden features of Eclipse [closed]
... buddy, ctrl-shift-t, to open a resource or type, respectively. Resources includes all files in your open projects (including non-java files), and types includes java types either in your projects, or in a library included in the projects.
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What is the tilde (~) in the enum definition?
...ator can be found in pretty much any language that borrowed syntax from C, including Objective-C/C++/C#/Java/Javascript.
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How to find if a given key exists in a C++ std::map
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C++20 gives us std::map::contains to do that.
#include <iostream>
#include <string>
#include <map>
int main()
{
std::map<int, std::string> example = {{1, "One"}, {2, "Two"},
{3, "Three"}, {42, "Don\'t Pani...
Exif manipulation library for python [closed]
...d tools aims at extracting EXIF information from Jpeg and Tiff files which include it. This information is typically included in images created using digital imaging devices such as digital cameras, digital film scanners, etc.
However, it looks like pyexif hasn't been updated in quite while. They...
Benefit of using Parcelable instead of serializing object
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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
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Django: Why do some model fields clash with each other?
... problem in abstract base classes,
since the fields on this class are
included into each of the child
classes, with exactly the same values
for the attributes (including
related_name) each time.
More info here.
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