大约有 30,796 项符合查询结果（耗时：0.0428秒） [XML]
What is a Context Free Grammar?
...o very related to the P vs. NP problem, and some other interesting stuff.
My Introduction to Computer Science third year text book was pretty good at explaining this stuff: Introduction to the Theory of Computation. By Michael Sipser. But, it cost me like $160 to buy it new and it's not very big. M...
How are software license keys generated?
...nd more prevalent, I still do not appreciate it as a user, so will not ask my users to put up with it.
It should not be possible for a cracker to disassemble our released application and produce a working “keygen” from it. This means that our application will not fully test a key for verificatio...
Understanding reference counting with Cocoa and Objective-C
...knowing the circumstances under which you should call retain and release. My general rule of thumb is that if I want to hang on to an object for some length of time (if it's a member variable in a class, for instance), then I need to make sure the object's reference count knows about me. As descri...
Constructor overloading in Java - best practice
... arguments in the constructor call. Is this standard Java style? Why?: In my opinion it would make sense to do it the opposite way that way you the first constructor definition you should see is the one that has all the details.
– Josie Thompson
Jun 27 '16 at ...
List directory tree structure in python?
...t__.py
4 directories, 9 files
I created the above directory structure in my home directory under a directory I call pyscratch.
I also see other answers here that approach that sort of output, but I think we can do better, with simpler, more modern code and lazily evaluating approaches.
Tree in Pyt...
URL matrix parameters vs. query parameters
I'm wondering whether to use matrix or query parameters in my URLs. I found an older discussion to that topic not satisfying.
...
Why are Objective-C delegates usually given the property assign instead of retain?
... warning in the modal, it releases the delegate. Then when I go to dismiss my modal, the delegate is nil. Crash.
– Paul Shapiro
Oct 19 '10 at 20:11
...
Differences between lodash and underscore [closed]
...
I've come across these problems myself when migrating and I'm maintaining a (WIP) cross documentation going between one and the other. Hope it's helpful to other people as well!
– luxon
Dec 31 '16 at 1:38
...
How to throw a C++ exception
...exception handling(i.e., how to customize throw, try, catch statements for my own purposes).
5 Answers
...
How to un-submodule a Git submodule?
...ms over engineered and I want to combine them back together without losing my history.
– Bowie Owens
Dec 27 '11 at 23:32
4
...