大约有 45,000 项符合查询结果(耗时:0.0602秒) [XML]
Where is C not a subset of C++? [closed]
...
If you compare C89 with C++ then here are a couple of things
No tentative definitions in C++
int n;
int n; // ill-formed: n already defined
int[] and int[N] not compatible (no compatible types in C++)
int a[1];
int (*ap)[] = &a; // ill-...
How to model type-safe enum types?
...follow
|
edited Mar 14 '14 at 16:18
qtwo
45744 silver badges99 bronze badges
answered Aug...
Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
...
If I understood it right you are doing an XMLHttpRequest to a different domain than your page is on. So the browser is blocking it as it usually allows a request in the same origin for security reasons. You need to do something different whe...
Difference between Python's Generators and Iterators
What is the difference between iterators and generators? Some examples for when you would use each case would be helpful.
1...
Test method is inconclusive: Test wasn't run. Error?
...
Same issue here. It would be nice if R# would bubble the error up (error initializing configuration system) so it'd be obvious why the tests were not run.
– Geoffrey Hudik
Mar 3 '14 at 21:10
...
A monad is just a monoid in the category of endofunctors, what's the problem?
...Wrong History of Programming Languages, in which he fictionally attributes it to Philip Wadler.
The original quote is from Saunders Mac Lane in Categories for the Working Mathematician, one of the foundational texts of Category Theory. Here it is in context, which is probably the best place to learn...
Best way to assert for numpy.array equality?
I want to make some unit-tests for my app, and I need to compare two arrays. Since array.__eq__ returns a new array (so TestCase.assertEqual fails), what is the best way to assert for equality?
...
Rails: confused about syntax for passing locals to partials
Understanding Rails "magic" with regards to rendering partials (and passing locals into them).
4 Answers
...
Are Databases and Functional Programming at odds?
... I see a conflict between between FP's goal of remaining stateless seems quite at odds with that fact that most web development work I've done has been heavily tied to databases, which are very data-centric.
...
What is a mutex?
...equently used to solve multi-threading problems. My question to the community:
10 Answers
...
