Top "Memory" questions

Java get available memory

Is there any good way to get the remaining memory available to the JVM at run time? The use case …

java performance web-services memory operating-system

What is memory fragmentation?

I've heard the term "memory fragmentation" used a few times in the context of C++ dynamic memory allocation. I've found …

c++ memory heap fragmentation

What's the difference between assignment operator and copy constructor?

I don't understand the difference between assignment constructor and copy constructor in C++. It is like this: class A { public: …

c++ memory

scala vs java, performance and memory?

I am keen to look into Scala, and have one basic question I cant seem to find an answer to: …

java performance scala memory

Purpose of memory alignment

Admittedly I don't get it. Say you have a memory with a memory word of length of 1 byte. Why can't …

memory alignment memory-alignment

How can I get the memory that my Java program uses via Java's Runtime api?

There are similar questions out there, but they seem to avoid answering this specific question. How can I get the …

java api memory runtime

Determine size of dynamically allocated memory in C

Is there a way in C to find out the size of dynamically allocated memory? For example, after char* p = …

c memory dynamic size allocation

String literals: Where do they go?

I am interested in where string literals get allocated/stored. I did find one intriguing answer here, saying: Defining a …

c memory string-literals

malloc(sizeof(int)) vs malloc(sizeof(int *)) vs (int *)malloc(sizeof(int))

I acknowledge that all three of these have a different meaning. But, I don't understand on what particular instances would …

c memory allocation malloc

How to dismiss AlertDialog.Builder?

In the following code below, how do I dismiss the alert box? I don't want to cause a memory leak. …

android memory dialog alert dismiss