大约有 42,000 项符合查询结果(耗时:0.0488秒) [XML]
What is declarative programming? [closed]
I keep hearing this term tossed around in several different contexts. What is it?
18 Answers
...
In plain English, what does “git reset” do?
I have seen interesting posts explaining subtleties about git reset .
7 Answers
7
...
RGB to hex and hex to RGB
How to convert colors in RGB format to hex format and vice versa?
50 Answers
50
...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
I've been profiling some of our core math on an Intel Core Duo, and while looking at various approaches to square root I've noticed something odd: using the SSE scalar operations, it is faster to take a reciprocal square root and multiply it to get the sqrt, than it is to use the native sqrt opcode!...
Python: finding an element in a list [duplicate]
What is a good way to find the index of an element in a list in Python?
Note that the list may not be sorted.
10 Answers
...
Python vs Cpython
What's all this fuss about Python and CPython (Jython,IronPython) , I don't get it:
9 Answers
...
What's the difference between array_merge and array + array?
A fairly simple question. What's the difference between:
9 Answers
9
...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
In multiple courses, books, and jobs, I have seen text fields defined as VARCHAR(255) as kind of the default for "shortish" text. Is there any good reason that a length of 255 is chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a go...
RegEx to exclude a specific string constant [duplicate]
Can regular expression be utilized to match any string except a specific string constant let us say "ABC" ? Is this possible to exclude just one specific string constant? Thanks your help in advance.
...
Obfuscated C Code Contest 2006. Please explain sykes2.c
How does this C program work?
4 Answers
4
...
