大约有 47,000 项符合查询结果（耗时：0.0581秒） [XML]
Go > operators
Could someone please explain to me the usage of << and >> in Go? I guess it is similar to some other languages.
...
What is the difference between LR, SLR, and LALR parsers?
What is the actual difference between LR, SLR, and LALR parsers? I know that SLR and LALR are types of LR parsers, but what is the actual difference as far as their parsing tables are concerned?
...
What is the difference between UTF-8 and ISO-8859-1?
What is the difference between UTF-8 and ISO-8859-1 ?
8 Answers
8
...
Reference: Comparing PHP's print and echo
What is the difference between PHP's print and echo ?
1 Answer
1
...
How do Python's any and all functions work?
I'm trying to understand how the any() and all() Python built-in functions work.
8 Answers
...
Java: Why is the Date constructor deprecated, and what do I use instead?
...
The specific Date constructor is deprecated, and Calendar should be used instead.
The JavaDoc for Date describes which constructors are deprecated and how to replace them using a Calendar.
shar...
Fastest way to determine if an integer's square root is an integer
... ~35% faster than your 6bits+Carmack+sqrt code, at least with my CPU (x86) and programming language (C/C++). Your results may vary, especially because I don't know how the Java factor will play out.
My approach is threefold:
First, filter out obvious answers. This includes negative numbers and ...
What is the difference between quiet NaN and signaling NaN?
I have read about floating-point and I understand that NaN could result from operations. But I can't understand what these are concepts exactly. What is the difference between them?
...
How can I strip first and last double quotes?
...
If the quotes you want to strip are always going to be "first and last" as you said, then you could simply use:
string = string[1:-1]
share
|
improve this answer
|
...
Why does Python print unicode characters when the default encoding is ASCII?
...
Thanks to bits and pieces from various replies, I think we can stitch up an explanation.
By trying to print an unicode string, u'\xe9', Python implicitly try to encode that string using the encoding scheme currently stored in sys.stdout.e...