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Stack, Static, and Heap in C++
...t understood very well these three concepts. When do I have to use dynamic allocation (in the heap) and what's its real advantage? What are the problems of static and stack? Could I write an entire application without allocating variables in the heap?
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Why can't I initialize non-const static member or static array in class?
Why can't I initialize non-const static member or static array in a class?
5 Answers
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Is there a way to detect if an image is blurry?
...wondering if there is a way to determine if an image is blurry or not by analyzing the image data.
12 Answers
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Why is TypedReference behind the scenes? It's so fast and safe… almost magical!
Warning: This question is a bit heretical... religious programmers always abiding by good practices, please don't read it. :)
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Eclipse Workspaces: What for and why?
...somebody who feels very uncomfortable in the Java world, which I assume is also your case.
What it is
A workspace is a concept of grouping together:
a set of (somehow) related projects
some configuration pertaining to all these projects
some settings for Eclipse itself
This happens by creating a d...
How to parse freeform street/postal address out of text, and into components
...n the United States and are trying to improve user experience by combining all the address fields into a single text area. But there are a few problems:
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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
Following links explain x86-32 system call conventions for both UNIX (BSD flavor) & Linux:
4 Answers
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Do you (really) write exception safe code? [closed]
...hen, answer the hidden question behind them.
Answering questions
Do you really write exception safe code?
Of course, I do.
This is the reason Java lost a lot of its appeal to me as a C++ programmer (lack of RAII semantics), but I am digressing: This is a C++ question.
It is, in fact, necessary whe...
What are the benefits of Java's types erasure?
...about type erasure, which is the only thing Java got right, while ignoring all the things it got wrong.
I get huge benefits (e.g. parametricity) and nil cost (alleged cost is a limit of imagination).
new T is a broken program. It is isomorphic to the claim "all propositions are true." I am not big ...
Which timestamp type should I choose in a PostgreSQL database?
...time handling and arithmetic is fantastic and Option 3 is fine in the general case. It is, however, an incomplete view of time and timezones and can be supplemented:
Store the name of a user’s time zone as a user preference (e.g. America/Los_Angeles, not -0700).
Have user events/time data submit...