大约有 47,000 项符合查询结果（耗时：0.0693秒） [XML]
What is the difference between the | and || or operators?
...-circuit" operator.
For example:
if(condition1 || condition2 || condition3)
If condition1 is true, condition 2 and 3 will NOT be checked.
if(condition1 | condition2 | condition3)
This will check conditions 2 and 3, even if 1 is already true. As your conditions can be quite expensive functions...
New lines inside paragraph in README.md
...
tbekolaytbekolay
11k33 gold badges3232 silver badges3131 bronze badges
...
Disabling Strict Standards in PHP 5.4
...rently running a site on php 5.4, prior to this I was running my site on 5.3.8. Unfortunately, php 5.4 combines E_ALL and E_STRICT , which means that my previous setting for error_reporting does not work now. My previous value was E_ALL & ~E_NOTICE & ~E_STRICT Should I just enable val...
How to catch integer(0)?
...
answered Jun 23 '11 at 8:30
Gavin SimpsonGavin Simpson
152k2424 gold badges354354 silver badges415415 bronze badges
...
The requested resource does not support HTTP method 'GET'
...
Maggie YingMaggie Ying
9,48522 gold badges3131 silver badges3636 bronze badges
11
...
How can I get the current language in Django?
...
139
Functions of particular interest are django.utils.translation.get_language() which returns the ...
How to use conditional breakpoint in Eclipse?
...
ZenMasterZenMaster
10.2k44 gold badges3131 silver badges5555 bronze badges
9
...
How to change the button text of ?
...
silver est
5366 bronze badges
answered Sep 20 '13 at 4:57
Fernando KoshFernando Kosh
3,034...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...lowed by a single Newton-Raphson step) that gives nearly full precision (~23 bits of accuracy, if I remember properly), and is still somewhat faster than sqrtss.
edit: If speed is critical, and you're really calling this in a loop for many values, you should be using the vectorized versions of thes...