Questions tagged [c++11]
Code that is written to the 2011 version of the C++ standard, sometimes known by its pre-publication name of "C++0x". Use in conjunction with the 'c++' tag.
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Console Command module (in-game console or base for script engine)
I've created a console/terminal command handling module that allows the programmer to bind functions to a command name and later execute them from std::string. What's new is that it handles most stuff ...
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Polymorphic deleter for unique_ptr
There is a basic difference in the way C++ manages the deleter for std::unique_ptr and std::shared_ptr, mainly for allowing ...
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Delegated condition_variable against spurious wakeup
This is my attempt at dealing with spurious wakeups: A new class which replaced std::condition_variable in my code.
Some questions which came to my mind are (and I ...
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Iterator structure for block and interlace counting schemes
We have a set of time slices, in the order of 50. Throughout this question I will use 6. We group these slices into blocks, in this example the block size is 2. Then we want to iterate through all ...
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Using SFINAE with wrappers to terminate compilation early
The Goal
Provide some wrappers to a C++11 template library's main entry point so that if the initial template parameter is not valid, the user is informed of exactly what is missing.
In the real ...
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deep_ptr<T>; a header-only, deep copying, value semantic smart pointer for optionally defined types
Edit: final revision here
A couple days ago I posted a similar question here. Since then, I have refined the implementation a bit further, as the solution I had previously posited was a bit off ...
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Using the llvm::iterator_adaptor_base
I'm currently working with the LLVM JIT framework. There is some graph I had to implement for internal cost bench-marking. It has cyclic node dependencies, so I have to use ...
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Fake 3D effect in SFML - follow up 2
Based on my previous question, I have implemented all the recommendations received. In addition, i have implemented new features and completed road geometries.
Here is a summary of the improvements:
...
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C++ class "overload" using variadic templates and wrapped function pointers
I'm using C++11 and I have the following problem (pseudo C++):
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Tic Tac Toe with different level AI
I've already created a code in python here with almost the same logic:
Tic-Tac-Toe with changeable board size (Part 1)
Tic-Tac-Toe with changeable board size (Part 2)
Here's the code in C++. As I'm ...
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C++ shared_ptr memory pool
I put together this little memory pool class to help avoid the costs associated with heap allocation and deallocation of objects that are frequently created & destroyed. It creates C++ standard <...
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Recreated Microsoft's Console Registry Tool's query functionality in C++ (REG.exe)
I decided to try and recreate Microsoft's REG.exe query functionality."Reg.exe" is Microsoft's Console Registry Tool.
I used Microsoft's documentation of "reg query" to recreate it's functionality ...
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Persistent List with constexpr and pointers
I am trying to implement a linked list in C++, functional and persistent. Before looking into sample implementations, I tried to come up with my own as an exercise.
I came up with two versions:
One ...
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C++11 Removable connection from emitter or receiver object
Please review my solution for the following problem. I am interested in:
Maintainability
Usability
Logical correctness
Efficiency
Problem:
It has 1+ objects each in separated thread and between the ...
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Boost Asio Listener
I have developed a piece code to listen on a socket using Boost::asio. I would like to use that code in production. But before that, I would like to test it and ...
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Tuple-like container for packed data
I'm writing some code which needs to be compatible accross a Cortex-M based embedded device and x86 / x86_64 based PCs. I needed a solution for sending binary data between the Cortex-M and the ...
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August 2016 Community Challenge: Rainfall Challenge (Late Answer)
Recently, I have gotten around implementing the rainfall challenge (which was the designated community challenge of August 2016) for practice purposes and would like to have some hints and ...
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Pitch detection library, basic architecture
I'm a mechanical engineer/amateur programmer trying to learn modern C++. I'm working on a personal project where I'm building a library that uses PortAudio to abstract some basic audio processing, ...
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Network Bandwidth Usage Monitor
I have written a very basic bandwidth usage monitor in C++/winpcap.
I would like to get some feedback, regarding design choices, implementation, style, correctness. (Or anything else you care to ...
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C++11 generator implementation emulating Python's yield keyword
C++11's range-based loops allow convenient and easy iteration over containers, but what about more complicated iterations such as tree traversal? Usually this involves a lot of boilerplate code and ...
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Producer-consumer with a twist (consumer is a reader) in C++
Executive summary
The twist is that the consumers do not consume, they just read. The producer makes items continuously in one of two alternating slots. Readers read from the other slot. When ...
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Compile-time plugin system (2)
Background
This is a follow-up of this CR: Compile-time plugin system. The code exposed below can also be browsed on this gist, which shows the differences between both questions (original is version ...
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Heap update generic algorithms
In the standard library, there are no algorithms for element updates. This makes it unsuitable as a queue for a Dijkstra's algorithm, for example. Thus I implemented generic heap update functions with ...
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C++ Finite State Machine - follow-up
This question is a follow-up from Object Oriented Finite State Machine. I vastly improved commenting and followed the suggestions from the answer. Additionally, I improved my tests and did some more ...
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Multithreaded OpenGL Rendering Pipeline
I've decided to move my rendering code to a separate thread, to help facilitate the move I've created a pipeline system for rendering. With this pipeline I can insert commands into a queue which will ...
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C++ object pool using C memory pool as base
I started out with this question on Stack Overflow. I have since then gotten an official answer from the mbed developers that the MemoryPool that I was asking about only issued raw C malloc/free type ...
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Determining if two packs are permutations of each other during compile-time
Often we need to find out if two tuples, or two packs in general, are the same as each other up to permutation. If there are no repeat types, then implementing ...
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String conversion and stream insertion of std::ratio and std::chrono::duration
I've developed a set of functions to convert a std::ratio or std::chrono::duration to a ...
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A Simple K-Means Cluster Analyzer v0.1
[NOTE] This question can be depreciated in favor of version 0.2.
This code works well.
This my first attempt at creating a robust, computationally lean K-Means Cluster analyzer. I first saw this ...
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ThorsSQL Lib: Part 3: Layer 5 Request/Response
Have a working version of MySQL implementation of ThorsSQL library done.
If you want to check it out you can find the whole thing on github ThorsSQL.
This is a follow on to previous code Reviews:
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ThorsSQL Lib: Part 3: Layer 4
Have a working version of MySQL implementation of ThorsSQL library done.
If you want to check it out you can find the whole thing on github ThorsSQL.
This is a follow on to previous code Reviews:
...
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3
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Simple C++11 Subject-Observer
Building on the answer in C++ class member callback simple examples, I've tried to put together a simple subject-observer pattern without needing to inherit a virtual Observer class. I also wanted to ...
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Multiple readers, single writer synchronization
This is educational purpose "simulation" of multiple readers / single writer server.
No actual work is done, except the synchronization. In current realization, readers have priority over writers.
<...
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377
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Merge two sorted linked lists in C++
Should I be using std::move or copy when passing LNode in the LinkedList constructor instead ...
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Substitute for `std::array::operator[]` in C++11 by using template-based recursion
What follows is a simplified version of a tentative implementation for a template-based set, named TemplateArgs. For the sake of clarity and focus on the question ...
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C++ STL graph implementation with out and in adjacency list
I'm looking for a code review on the following C++/STL graph implementation:
Edge
...
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Optimising insert operation for btree
I'm working on implementation insert operation for a btree, and would like to know if there is any way to optimise the inserting operation to make it go faster. The code seems really long so I'm ...
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Dijkstra's single source shortest path algorithm (with Fibonacci heap)
I implemented a generic Dijkstra algorithm. It's lazy since the vertices with their final distances are request on demand. I used the Fibonacci Heap from this question with a few changes (added a copy ...
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In-memory B+ Tree in C++
I know B+ trees are not meant to be use in memory, but I just implemented it as an exercise. I'm looking for a general review.
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C++ Event Emitter
I needed an event bus in C++ with a few features:
Possibility to add/remove both functions and member methods.
Ability to remove automatically those listeners that wrap member methods of expired ...
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C++ UDP server for a game
I broke my server into two classes, a general server class and a client session class.
I know the code isn't documented in the header, but I am more interested in the design of the server/session ...
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Simple Snake Game - Follow-up 2
Based on the previous question, I have implemented all suggestions. Also, I worked a bit in this project to improve it.
Summary of improvements:
split the code into multiple files as .hpp and .cpp
...
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221
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Threadsafe singleton factory to use in Apache thrift server RPC system
My goal was to write a factory that the code did not have to be edited. Thus I am registering my factory functions into a singleton factory. I am going to be using this code in Apache thrift server ...
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56
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Iterator range for console class that handles multiple buffers
This question is a spiritual successor to Console class that handles multiple buffers. I was mostly interested in implementing one of the suggestions of using an iterator range and fixing the ...
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Factory with raw pointers
I'm designing a Factory in C++ with raw pointers, but I'd like to use smart pointers when possible as is recommended with the Factory pattern in newer C++. Unfortunately my compiler is a bit old (gcc ...
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A map class based on an AVL tree
Here's an implementation of a class which is similar to std::map, but it's not a complete/identical implementation.
I know C pretty well, but am a beginner with C++...
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475
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Entity Component System in C++11
An Entity Component System works by grouping various components around a central ID, aka Entity. Entities and Components do not have any code, they are simply POD containers. Rather, the code lies in ...
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Efficient compile-time directed graph
During my research in Rigid Body Dynamics, (where Contact Graphs are used to solve the contact problem) I came across the question if it is possible to define at compile time a directed graph (class) ...
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Simple Win32 console library (mimicking almighty SFML) - follow-up
I'm trying to mimic the SFML library to be suitable for text-based games. The library called MSLIB in GitHub here.
Here is a sample of the library implementation. It prints gray square onto the ...
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