大约有 40,000 项符合查询结果(耗时:0.0494秒) [XML]

https://stackoverflow.com/ques... 

How do I achieve the theoretical maximum of 4 FLOPs per cycle?

... while (i < 1000){ // Here's the meat - the part that really matters. r0 = _mm_mul_pd(r0,rC); r1 = _mm_add_pd(r1,rD); r2 = _mm_mul_pd(r2,rE); r3 = _mm_sub_pd(r3,rF); r4 = _mm_mul_pd(r4,rC); r5 = _mm_add_pd(r5...
https://stackoverflow.com/ques... 

Why do some functions have underscores “__” before and after the function name?

...rms using leading or trailing underscores are recognized (these can generally be combined with any case convention): _single_leading_underscore: weak "internal use" indicator. E.g. from M import * does not import objects whose name starts with an underscore. single_trailing_underscore_: ...
https://stackoverflow.com/ques... 

Why does Python code use len() function instead of a length method?

...on objects which have a length and use the built-in len() function, which calls it for you, similar to the way you would implement __iter__() and use the built-in iter() function (or have the method called behind the scenes for you) on objects which are iterable. See Emulating container types for m...
https://stackoverflow.com/ques... 

What is the best way to call a script from another script?

...s, methods, etc. I have another script which runs as a service. I want to call test1.py from the script running as a service. ...
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... 

How do I find the location of Python module sources?

How do I learn where the source file for a given Python module is installed? Is the method different on Windows than on Linux? ...
https://stackoverflow.com/ques... 

Dynamic variable names in Bash

...Fgilrtux] [-p] [name[=value] ...]. You might double-check that you are actually running 4.x and not 3.2. – chepner Dec 2 '13 at 16:08 5 ...
https://stackoverflow.com/ques... 

How to run a program without an operating system?

How do you run a program all by itself without an operating system running? Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU? ...
https://stackoverflow.com/ques... 

How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?

... No, the limits are imposed on the domain. So you could technically get FF up to 12 connections if you had a subdomain in addition to your site. – Bob Feb 18 '09 at 13:39 ...
https://stackoverflow.com/ques... 

Why are all fields in an interface implicitly static and final?

I am just trying to understand why all fields defined in an Interface are implicitly static and final . The idea of keeping fields static makes sense to me as you can't have objects of an interface but why they are final (implicitly)? ...