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By Blog Staff | Aug 19, 2014 05:11 PM | Tags: None
A timely interview, with yesterday's confirmation that we have C++14:
Bjarne Stroustrup Talks About C++14
by William Wong
From the interview:
Bjarne Stroustrup is the well-known creator of C++. He also joined the Electronic Design Engineering Hall of Fame in 2013... He will be holding a Q&A on August 20th at the Google+ C++ Community but I thought we could get in a couple questions early...
By Blog Staff | Aug 19, 2014 05:06 PM | Tags: advanced
New on Tales of C++, from our Argentinian correspondent:
Eggs.Variant -- Part I
by K-ballo
Ruminations on the development of Eggs.Variant [GitHub], a C++11/14 generic, type-safe, discriminated union...
By Blog Staff | Aug 19, 2014 04:57 PM | Tags: intermediate advanced
The standard library allocators are one of the more mysterious parts of namespace std, as well as one of the more flexible parts. In this "under construction" article and GitHub repo, Thomas Köppe undertakes to demystify the feature.
A visitor’s guide to C++ allocators (repo)
by Thomas Köppe
From the README:
This repository contains a collection of documents that describe the allocator concept in the standard library of C++11 and beyond. The main guide covers the following topics.
- Allocator traits
- Statefulness
- Fancy pointers
- Allocator propagation in breadth (container copy, POC{CA,MA,S}) and depth (
scoped_allocator_adaptor)Start reading with the main guide.
Furthermore, there are several worked-out end-to-end examples:
The code for the end-to-end examples is available separately in the
example_codedirectory.
By Blog Staff | Aug 19, 2014 08:32 AM | Tags: None
Jens Weller gives a nice perspective on the C++ landscape in 2014.
Thoughts on C++14
by Jens Weller
From the article:
Yesterday we could read on isocpp.org that C++14 has been approved and will now become a valid ISO Standard. Great news for everyone in the C++ land! ...
But there is something else that makes C++14 for me special...
By Blog Staff | Aug 18, 2014 11:40 AM | Tags: advanced
Fresh on GameDev.net:
Using Varadic Templates for a Signals and Slots Implementation in C++
By Paul Cook
From the article:
Abstract
Connecting object instances to each other in a type-safe manner is a well-solved problem in C++ and many good implementations of signals and slots systems exist. However, prior to the new varadic templates introduced in C++0x, accomplishing this has traditionally been complex and required some awkward repetition of code and limitations.
Varadic templates allow for this system to be implemented in a far more elegant and concise manner and a signals/slots system is a good example of how the power of varadic templates can be used to simplify generic systems that were previously difficult to express. ...
By Blog Staff | Aug 18, 2014 07:39 AM | Tags: basics
Start your Monday the right way by sending this to three of your friends who are new to (modern) C++:
C++11/14 Idioms I Use Every Day
by Paul Cechner
From the article:
Most attention on the new C++ has focused on the changes that provide functionality and performance that was previously not possible, both library enhancements (chrono, regex, smart pointers, and stuff to help with lambdas for example) and core language enhancements (perfect forwarding, variadic templates, the new memory model and threading capabilities, initialiser lists and the like). This functionality will impact us all in helping to write more correct code and efficient libraries, but often will only be relevant in certain parts of our code.
But the first thing that struck me when I started using C++11 was the smaller features that I could take advantage of every time I put my fingers to the keyboard. These are the things that make code more concise and simple and allow me to present my intentions more clearly. ...
By Blog Staff | Aug 15, 2014 04:28 PM | Tags: None
Today in Infoworld:
Stroustrup: Why the 35-year-old C++ still dominates 'real' dev
C++ inventor details the language's latest changes and assesses the strengths and weaknesses of its competitors
by Paul Krill, Infoworld
From the interview:
Bjarne Stroustrup designed the C++ language in 1979, and the general-purpose language for systems programming has become a mainstay for developers everywhere, despite competition from Java, JavaScript, Python, Go, and Apple's newly unveiled Swift.
Now a technologist at Morgan Stanley and a professor at both Columbia University and Texas A&M University, Stroustrup spoke with InfoWorld Editor at Large Paul Krill about C++'s role today and about other happenings in software development, including Google's Go and Apple's Swift languages. ...
By Blog Staff | Aug 13, 2014 09:02 AM | Tags: basics
A: Yes, make_shared is your friend!
Recently on SO:
What happens when using make_shared
I'm interested if these two lines of code are the same:
shared_ptr<int> sp(new int(1)); // double allocation? shared_ptr<int> sp(make_shared<int>(1)); // just one allocation?If this is true could someone please explain why is it only one allocation in the second line?
By Blog Staff | Aug 12, 2014 03:33 PM | Tags: intermediate
Overload 122 is now available. It contains the following C++-related articles, and more:
Python and C++ are very different languages. Sergey Ignatchenko walks through things in Python that can confuse a C++ programmer
Using locks will slow down threaded code. Len Holgate demonstrates how an Activatable Object can reduce the time spent blocked.
By Meeting C++ | Aug 8, 2014 03:33 AM | Tags: qt network https http basics
How to handle HTTP and HTTPs requests in Qt
HTTP and HTTPs in Qt
by Jens Weller
From the article:
Last week I started to work on an old project again: My own feed reader. I found the code 2 weeks a go on an old USB Stick, and decided to refactor it into a useful state. This involved dealing with HTTP via QNetworkAccessManager.