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Stack, Static, and Heap in C++
I've searched, but I've not 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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Deploy a project using Git push
Is it possible to deploy a website using git push ? I have a hunch it has something to do with using git hooks to perform a git reset --hard on the server side, but how would I go about accomplishing this?
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How do you set, clear, and toggle a single bit?
How do you set, clear, and toggle a bit?
30 Answers
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Can I access constants in settings.py from templates in Django?
I have some stuff in settings.py that I'd like to be able to access from a template, but I can't figure out how to do it. I already tried
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Why does volatile exist?
... memory that, say, a completely separate process/device/whatever may write to.
I used to work with dual-port ram in a multiprocessor system in straight C. We used a hardware managed 16 bit value as a semaphore to know when the other guy was done. Essentially we did this:
void waitForSemaphore()
{
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IBOutlet and IBAction
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IBAction and IBOutlet are macros defined to denote variables and methods that can be referred to in Interface Builder.
IBAction resolves to void and IBOutlet resolves to nothing, but they signify to Xcode and Interface builder that these variables and methods can b...
Android map v2 zoom to show all the markers
I have 10 markers in the GoogleMap . I want to zoom in as much as possible and keep all markers in view? In the earlier version this can be achieved from zoomToSpan() but in v2 I have no idea how about doing that. Further, I know the radius of the circle that needs to be visible.
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What are rvalues, lvalues, xvalues, glvalues, and prvalues?
.... Once we have expressions that can be moved and not copied, suddenly easy to grasp rules demanded distinction between expressions that can be moved, and in which direction.
From what I guess based on the draft, the r/l value distinction stays the same, only in the context of moving things get mess...
What is the easiest way to disable/enable buttons and links (jQuery + Bootstrap)
Sometimes I use anchors styled as buttons and sometimes I just use buttons. I want to disable specific clicky-things so that:
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What are important languages to learn to understand different approaches and concepts? [closed]
...will simply say that learning different language paradigms will only serve to make you a better programmer. What is more practical than that?
Functional, Haskell - I know you said that you didn't want to, but you should really really reconsider. You've gotten some functional exposure with Clojure...