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What and where are the stack and heap?

... over). The simplicity of a stack is that you do not need to maintain a table containing a record of each section of allocated memory; the only state information you need is a single pointer to the end of the stack. To allocate and de-allocate, you just increment and decrement that single pointe...
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C++ IDE for Linux? [closed]

...ects my personal opinion only! EDIT: what a pity that SOF doesn't support tables, so I have to write in paragraphs ... Eclipse Galileo with CDT Plugin Pros: reasonable fast also supports Java, Perl(with E.P.I.C plugin) commonly used and well maintained also available for other OS flavours (Wind...
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Are there good reasons not to use an ORM? [closed]

...o make a lot of difference to your TCO. For a first approximation, 98% portable is just as good as 100% portable, and far better than convoluted or poorly performing solutions to work around the limits of an ORM. I have seen the former approach work well on a very large (100's of staff-years) J2EE...
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Why is it slower to iterate over a small string than a small list?

... just 9 LOAD_CONST 6 (('a', 'b', 'c')) as tuples are immutable. Test: >>> python3 -m timeit '[x for x in ("a", "b", "c")]' 1000000 loops, best of 3: 0.369 usec per loop Great, back up to speed. For Python 2: def list_iterate(): [item for item in ["a", "b", "c"]] ...
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Move assignment operator and `if (this != &rhs)`

...nd is a test-and-branch. Both work. Both meet all of the requirements of Table 22 MoveAssignable requirements in the C++11 standard. The third also works modulo the non-memory-resource-concern. All three implementations can have different costs depending on the hardware: How expensive is a bran...
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lexers vs parsers

...se is to use "context-free" grammars and add hacks to the parsers ("symbol tables", etc.) to handle the context-sensitive part. Neither lexing nor parsing technology is likely to go away soon. They may be unified by deciding to use "parsing" technology to recognize "words", as is currently explore...
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How does the compilation/linking process work?

...ct files produced by the compiler and produces either a library or an executable file. Preprocessing The preprocessor handles the preprocessor directives, like #include and #define. It is agnostic of the syntax of C++, which is why it must be used with care. It works on one C++ source file at a ...
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C++ performance vs. Java/C#

...) in C# without tremendous work, while it's a built-in feature of C++. Immutable data is an interesting solution, but not everything can be made immutable, so it's not even enough, by far). So, C# remains an pleasant language as long as you want something that works, but a frustrating language the...
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A monad is just a monoid in the category of endofunctors, what's the problem?

...noid in monoidal category" comes later in the book as you can see from the table of contents. And yet understanding this notion is absolutely critical to understanding the connection with monads. (Strict) monoidal categories Going to Chapter VII on Monoids (which comes later than Chapter VI on Mon...
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Objective-C categories in static library

...lass or category. While this option will typically result in a larger executable (due to additional object code loaded into the application), it will allow the successful creation of effective Objective-C static libraries that contain categories on existing classes. and there is also recommendation...