大约有 32,293 项符合查询结果（耗时：0.0343秒） [XML]
What is the difference between a weak reference and an unowned reference?
...
This is somewhat trivial but I find the example of the Apartment and Person somewhat confusing which also presents an additional solution to break the strong reference cycle. A person's apartment is optional and therefore can be nil as...
What is an 'endpoint' in Flask?
...ample.org/greeting/Mark
The job of Flask is to take this URL, figure out what the user wants to do, and pass it on to one of your many python functions for handling. It takes the path:
/greeting/Mark
...and matches it to the list of routes. In our case, we defined this path to go to the give_gr...
Unable to update the EntitySet - because it has a DefiningQuery and no element exis
...
Thank you very much - this is exactly what fixed my problem. Pretty disturbing that this hasn't been fixed in EF. And, pretty amazing that you figured this out!
– Bicycle Dave
Apr 2 '16 at 1:12
...
What happens to global and static variables in a shared library when it is dynamically linked?
I'm trying to understand what happens when modules with globals and static variables are dynamically linked to an application.
By modules, I mean each project in a solution (I work a lot with visual studio!). These modules are either built into *.lib or *.dll or the *.exe itself.
...
How to get back to the latest commit after checking out a previous commit?
...vious version of the code to examine or test. I have seen instructions on what to do if I wish to modify previous commits -- but suppose I make no changes. After I've done e.g. git checkout HEAD^ , how do I get back to the tip of the branch?.. git log no longer shows me the SHA of the latest co...
The “unexpected ++” error in jslint [duplicate]
What is the best practice for that then?
8 Answers
8
...
Are non-synchronised static methods thread safe if they don't modify static class variables?
...ynchronised, but does not modify any static variables is it thread-safe? What about if the method creates local variables inside it? For example, is the following code thread-safe?
...
How do I find a default constraint using INFORMATION_SCHEMA?
...
My code does assume that, because that's what the questioner asked for—"I'm looking to get [whether 'a given default constraint exists'] by the name of the constraint." I have edited my answer to make its direct question-satisfying nature much more clear. Hope tha...
Efficient way to rotate a list in python
What is the most efficient way to rotate a list in python?
Right now I have something like this:
26 Answers
...
What size should TabBar images be?
... I knew this, but if I want wordings inside image itself, then what can be done?
– Fahim Parkar
Aug 5 '13 at 22:22
...