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What's the difference between deadlock and livelock?
...y please explain with examples (of code) what is the difference between deadlock and livelock ?
7 Answers
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Javascript object Vs JSON
...ver, you can't send a chest-of-drawers in the post, so you dismantle it (read, stringify it). It's now useless in terms of furniture. It is now JSON. Its in flat pack form.
{"color":"red","numberOfDrawers":4}
When you receive it, you then rebuild the chest-of-drawers (read, parse it). Its now bac...
Git submodule update
...f the project, but not within a branch. This is called having a detached head — it means the HEAD file points directly to a commit, not to a symbolic reference.
The issue is that you generally don’t want to work in a detached head environment, because it’s easy to lose changes.
If you do a...
What's the fundamental difference between MFC and ATL?
... 90s to try out this new language called C++ and apply it to Windows. It made Office like features available to the development community when the OS didn't have them yet.
[Edit embellishment: I did not work at Microsoft, so I don't know if Office was ever built on MFC, but I think the answer is ...
What are copy elision and return value optimization?
...a:
struct C {
C() {}
C(const C&) { std::cout << "A copy was made.\n"; }
};
C f() {
return C();
}
int main() {
std::cout << "Hello World!\n";
C obj = f();
}
Depending on the compiler & settings, the following outputs are all valid:
Hello World!
A copy was made.
...
Multi-key dictionary in c#? [duplicate]
...ine a tuple as a struct:
public struct Tuple<T1, T2> {
public readonly T1 Item1;
public readonly T2 Item2;
public Tuple(T1 item1, T2 item2) { Item1 = item1; Item2 = item2;}
}
public static class Tuple { // for type-inference goodness.
public static Tuple<T1,T2> Create&...
Cannot delete directory with Directory.Delete(path, true)
...it is factually incorrect about the workings of Directory.Delete. Please read the comments for this answer, and other answers to this question.
I ran into this problem before.
The root of the problem is that this function does not delete files that are within the directory structure. So what you...
What does if __name__ == “__main__”: do?
...
Whenever the Python interpreter reads a source file, it does two things:
it sets a few special variables like __name__, and then
it executes all of the code found in the file.
Let's see how this works and how it relates to your question about the __name__...
How to change the output color of echo in Linux
...ued from above example
echo -e "I ${RED}love${NC} Stack Overflow"
(don't add "\n" when using echo unless you want to add additional empty line)
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Why do I need an IoC container as opposed to straightforward DI code? [closed]
...d to use an Inversion of Control (IoC) container. However, the more I read, the more pressure I feel from the community to use an IoC container.
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