I am looking for some function or a way that would return HMAC SHA256 hash in C++ using secret key. I have seen documentation of Crypto++ and OpenSSL but it doe
Note: The answers were given in a specific order, but since many users sort answers according to votes, rather than the time they were given, here's an index of
I have perused a lot of code on this topic, but most of them produce the numbers that are prime all the way up to the input number. However, I need code which
I am a newcomer to zeromq. Recently I did some tests on pub/sub of zeromq, and I don't konw how to implement Pub-Sub Network with a Proxy by using XPUB and XSUB
Im trying to get my FPS to display in the window title but my program is just not having it. my FPS code void showFPS() { // Measure speed doubl
After updating Embarcadero C++ Builder to a new version, our project suddenly fails to build. This happens just with one of our projects. For the most of the te
I'm learning C++. I'm trying to do an exercise where I define several implementations of a pure virtual class with a single function. I'm having trouble linking
This code: if( someCondition ) return doSomething(); return doSomethingElse(); versus this code: if( someCondition ) return doSom
I'm looking for a way to easily embed any external binary data in a C/C++ application compiled by GCC. A good example of what I'd like to do is handling shader
Well I'm working on a small program and I'm trying to set the position of the window's mouse to it's center every time it moves. Thing is I have no idea how to
I need to read (scan) a file sequentially and process its content. File size can be anything from very small (some KB) to very large (some GB). I tried two tec
I have a float number for example 12.12123 Is there a function which would display only number with 2 digits after decimal point 12.12 ? Here is the code: y1
So everything in my code works so far, but I don't know why the checkWinner function doesn't work. In my Bool checkWinner function, I used bool. When I call th
I'm trying to convert an int to QByteArray. I'm using this method QByteArray::number(m_vman); is it correct? I'm trying to use the number() for getting an int t
I am trying to find the cause for: *** glibc detected *** ...: invalid fastbin entry (free): 0x00007fc384ced120 *** The program dumped core, so I was able to
I have been looking all over, and couldn't find any example for an RTD CLIENT (many RTD server samples, though). My goal is to 'pull' data from an RTD server i
To inialize for example Eigen::Matrix3i we can use syntax: Eigen::Matrix3i T; T << 1, 0, 0, 0, 2, 0, 0, 0, 3; However, when using clang-forma
I'm using "glut" library and trying to compile code by gcc compiler, but it gives undesireble result. When I try to build command (Ctrl+Shift+B) on Visual Studi
While I was reading http://thbecker.net/articles/rvalue_references/section_01.html, I got following snippiest. // lvalues: // int i = 42; i = 43; // ok, i is an
So my question is how do I put what the user enters, for example, they put row : 1 and column: 2 in my board that I made. I'm working on this in the void player
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