Financial Risk Management Mind Maps

An asset class (finance) agnostic mind map of risk mgmt pathways taken by Sell side firms.. Recently drew on paper.. Every single node in this tree deserves a sepaarte detailed explanation or another mindmap, I'd keep extending in future. Following is just a starting point..

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C++ logging using Apache Log4cxx on Linux

I'd demonstrate the set up of Apache log4cxx on Ubuntu 12.x in following steps: 1. Download all required packages 2. Build Log4cxx via Apache Maven 3. Use the libraries in a NetBeans C++ project on Ubuntu Linux. Reference URL: http://www.yolinux.com/TUTORIALS/Log4cxx.html This URL is quite detailed and explains things for other *nix operating systems as well. I wanted to start with minimum steps required, hence this post. I have a Windows 7 desktop and have Ubuntu 12.x 64-bit running on it via Oracle Virtualbox. So Ubuntu is running as a guest on my Windows 7 host. [The reference URL mentions different versions of 'libaprXX' libs but we have to use 'libapr1-dev' and 'libaprutil-dev', will see that later.] Prerequisites (install all of the following one by one) autoconf and automake --> sudo apt-get install autoconf automake libxml2 and libxml2-devel ( http://xmlsoft.org/ ) --> sudo apt-get install libxml2 libxml2-dev gmp ( ...

C++11 std::thread Construction and Assignment Tricks

C++11 arrived with std::thread and related classes built within the standard. With the move semantics in place, the construction and assignment practices of 'std threads' deserve a small write up. Let's define a 'Runnable' first: class Runnable { public: virtual void operator ()() = 0; virtual ~Runnable(){} }; class Task : Runnable { public: void operator ()() { //do sth here.. } }; ...

C++ Initialization Subtleties (significance of -Werror compiler option)

Modern C++ continuous integration build pipelines might produce huge logs which may be easily overlooked. Among other errors/warnings, a potential risk caused by invalid narrowing assignments might be lurking in those dark corners... This write up is a little reminder about an essential feature in modern C++ compilers and can help defend against that specific problem. Prior to C++11, the following was a valid assignment and still is even in C++20 or higher ... unsigned int unsignedSinceBirth = 10; unsignedSinceBirth = -10; // assigning a negative value to an unsigned container printUnsignedVal(unsignedSinceBirth); which when compiled using these options "g++ -std=c++20 <cpp files> -o <executable-name>" does not even emit a warning. And an executable is generated successfully. The output of running that code is an arbitrary unexpected value. Modern C++ (post Cpp11) allow uniform initialization syntax which can help the compiler detect this situation as follows: ...

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