Questions tagged [weak-references]

I have not personally come across a situation where I've needed to use WeakReference type in .Net, but the popular belief seems to be that it should be used in caches. Dr Jon Harrop gave a very good case against the use of WeakReferences in caches…

When reading about the various options for working with things like ARC / GC, I often come across explicit wording about which weak references are zeroing (ie, your reference becomes nil/null/0 when the object is collected) and which non-zeroing…

In a PHP CLI software, we are facing serious memory leakage due to a lot of rotten code, both accumulated in our own software and third-party plugins for our software. Currently, the object references look like this: class Server{ // the central…

In MDN article on WeakSets, an example is given for using weak sets to avoid infinite recursion on circular references: // Execute a callback on everything stored inside an object function execRecursively(fn, subject, _refs = new WeakSet()) { //…