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c++ Programming Glossary: thoughtWhy is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array the sorted data the code runs in 1.93 seconds. Initially I thought this might be just a language or compiler anomaly. So I tried.. sum sum with a similar but less extreme result. My first thought was that sorting brings the data into cache but my next thought.. was that sorting brings the data into cache but my next thought was how silly that is because the array was just generated...
Is gcc4.7 buggy about regular expressions? [duplicate] http://stackoverflow.com/questions/12530406/is-gcc4-7-buggy-about-regular-expressions and we shipped lots of partial implementations. Noone thought it would remain unusable for so long so with hindsight maybe..
C++ Standard Library: How to write wrappers for cout, cerr, cin and endl? http://stackoverflow.com/questions/2879555/c-standard-library-how-to-write-wrappers-for-cout-cerr-cin-and-endl type std in front of every cout cin cerr and endl . So I thought of giving them shorter new names like this STLWrapper.h #include..
std::vector is so much slower than plain arrays? http://stackoverflow.com/questions/3664272/stdvector-is-so-much-slower-than-plain-arrays vector is so much slower than plain arrays I've always thought it's the general wisdom that std vector is implemented as an..
http://stackoverflow.com/questions/408670/stack-static-and-heap-in-c to deallocate. By the way embedded environments may be thought of as having only static memory... the stack and heap are part..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special using unions their use may be very dangerous and must be thought of carefully you could look up the rules for unions in the standard..
Thou shalt not inherit from std::vector http://stackoverflow.com/questions/4353203/thou-shalt-not-inherit-from-stdvector of the std vector's interface. Too much to type. Next I thought about private inheritance so that instead of reproviding methods..
When to use virtual destructors? http://stackoverflow.com/questions/461203/when-to-use-virtual-destructors one thing that confuses me a lot is virtual destructors. I thought that the destructor always gets called no matter what and for..
Undefined Behavior and Sequence Points Reloaded http://stackoverflow.com/questions/4638364/undefined-behavior-and-sequence-points-reloaded to understand all the nuances of a language that I already thought I knew and thought that I thought that I knew . share improve..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers I've seen plenty of template magic here on SO that I never thought possible so I'm wondering if anyone can suggest something that..
What's this STL vs. “C++ Standard Library” fight all about? [closed] http://stackoverflow.com/questions/5205491/whats-this-stl-vs-c-standard-library-fight-all-about it matters what it's called. For STL There is a school of thought that says that everybody knows now that STL means the standard.. Library or stdlib However there is another school of thought &mdash to which I subscribe &mdash that says that this is confusing...
What are the barriers to understanding pointers and what can be done to overcome them? http://stackoverflow.com/questions/5727/what-are-the-barriers-to-understanding-pointers-and-what-can-be-done-to-overcome college level students in C or C Are there any tools or thought processes that helped you understand how pointers work at the..
How to determine CPU and memory consumption from inside a process? http://stackoverflow.com/questions/63166/how-to-determine-cpu-and-memory-consumption-from-inside-a-process order to save others from going through the same trouble I thought it would be a good idea to collect all the scattered information..
Can a local variable's memory be accessed outside its scope? http://stackoverflow.com/questions/6441218/can-a-local-variables-memory-be-accessed-outside-its-scope it to be just a fun little analogy but whatever. I thought it might be germane to update this a bit with a few more technical.. be germane to update this a bit with a few more technical thoughts. Compilers are in the business of generating code which manages..
C++ random float number generation http://stackoverflow.com/questions/686353/c-random-float-number-generation number generation How do I generate random floats in C I thought I could take the integer rand and divide it by something would..
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