weak-references

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Can a conforming C# compiler optimize away a local (but unused) variable if it is the only strong reference to an object?

See also these related resources: Does the .NET garbage collector perform predictive analysis of code? (on Stack Overflow)[详细]

2022-12-28 12:26 分类：问答
Simple Data Caching using Weak References in WCF

Given that I have the following WCF service: class LookUpService { public List<County> GetCounties(string state)[详细]

2022-12-26 01:39 分类：问答
When to use weak references in Python?

Can anyone explain usage of weak references? The documentation doesn\'t explain it precisely, it just says that the GC can destroy the object linked to via a weak reference at any time. Then what\'s[详细]

2022-12-23 06:02 分类：问答
Weak reference callback is not called because of circular references

I\'m trying to write a finalizer for Python classes that have circular references. I found out that weak reference callbacks are the way to go. Unfortunately, it seems the lambda I use as a callback i[详细]

2022-12-20 12:38 分类：问答
Is Josh Smith's implementation of the RelayCommand flawed?

Consider the reference Josh Smith\' article WPF Apps With The Model-View-ViewModel Design Pattern, specifically the example implementation of a RelayCommand (In Figure 3).(No need to read through the[详细]

2022-12-20 05:46 分类：问答
Suitable collection class for event listeners in Java

Related: Does java have a "LinkedConcurrentHashMap" data structure? I am looking for a collection class to hold references to event listeners.[详细]

2022-12-16 18:08 分类：问答
Can/should I use WeakReference in my complex object structure with db4o?

I\'m considering to port an application to db4o. The data model consists of lots of small objects with a lot of references between each other. For example, I have a book which points to an author and[详细]

2022-12-14 16:07 分类：问答
Thread Safety of WeakReference

When using a WeakReference, how can we be sure than the target is not collected between the .IsAlive and .Target calls?[详细]

2022-12-10 21:52 分类：问答
Using Boost Python with Weak Ptrs?

Trying to set up a dependency in C++ with a parent-child relationship. The parent contains the child and the child has a weak pointer to the parent.[详细]

2022-12-09 16:44 分类：问答
When should weak references be used?

I recently came across a piece of Java code with WeakReferences - I had never seen them deployed although I\'d come across them when they were introduced. Is this something that should be routinely us[详细]

2022-12-09 13:51 分类：问答