大约有 46,000 项符合查询结果(耗时:0.0318秒) [XML]

https://stackoverflow.com/ques... 

clang: how to list supported target architectures?

Currently I am interested in ARM in general and specifically iphone/android targets. But I just want to know more about clang, since it feels to play important role in the years to come. ...
https://stackoverflow.com/ques... 

What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an

Following links explain x86-32 system call conventions for both UNIX (BSD flavor) & Linux: 4 Answers ...
https://stackoverflow.com/ques... 

AngularJS HTTP post to PHP and undefined

...send that as data. Make sure that this query string is URL encoded. If manually built (as opposed to using something like jQuery.serialize()), Javascript's encodeURIComponent() should do the trick for you. share | ...
https://stackoverflow.com/ques... 

How to get POSTed JSON in Flask?

... First of all, the .json attribute is a property that delegates to the request.get_json() method, which documents why you see None here. You need to set the request content type to application/json for the .json property and .get_jso...
https://stackoverflow.com/ques... 

How do I check if a string is a number (float)?

...r. I'm not sure that anything much could be faster than the above. It calls the function and returns. Try/Catch doesn't introduce much overhead because the most common exception is caught without an extensive search of stack frames. The issue is that any numeric conversion function has two kin...
https://stackoverflow.com/ques... 

How do you do a limit query in JPQL or HQL?

...QL Parser, and it's a lot less forgiving. I think Query.setMaxResults() really is your only option. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Getting Django admin url for an object

...e was an easy way to get the admin url of an object, and I had written a small filter that I'd use like this: <a href="{{ object|admin_url }}" .... > ... </a> ...
https://stackoverflow.com/ques... 

Is it possible to declare two variables of different types in a for loop?

...and clang for years (since gcc-7 and clang-4.0) (clang live example). This allows us to unpack a tuple like so: for (auto [i, f, s] = std::tuple{1, 1.0, std::string{"ab"}}; i < N; ++i, f += 1.5) { // ... } The above will give you: int i set to 1 double f set to 1.0 std::string s set to "...
https://stackoverflow.com/ques... 

Creating an abstract class in Objective-C

I'm originally a Java programmer who now works with Objective-C. I'd like to create an abstract class, but that doesn't appear to be possible in Objective-C. Is this possible? ...
https://stackoverflow.com/ques... 

What is the difference between g++ and gcc?

... was once upon a time just the GNU C Compiler). Even though they automatically determine which backends (cc1 cc1plus ...) to call depending on the file-type, unless overridden with -x language, they have some differences. The probably most important difference in their defaults is which libraries ...