大约有 40,700 项符合查询结果（耗时：0.0405秒） [XML]
What integer hash function are good that accepts an integer hash key?
...h(i)=i*2654435761 mod 2^32
In general, you should pick a multiplier that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit: The biggest disadvantage of this hash function is that it pres...
What is SQL injection? [duplicate]
... explain SQL injection? How does it cause vulnerabilities? Where exactly is the point where SQL is injected?
9 Answers
...
“for” vs “each” in Ruby
I just had a quick question regarding loops in Ruby. Is there a difference between these two ways of iterating through a collection?
...
How to get an IFrame to be responsive in iOS Safari?
The problem is that when you have to use IFrames to insert content into a website, then in the modern web-world it is expected that the IFrame would be responsive as well. In theory it's simple, simply aider use <iframe width="100%"></iframe> or set the CSS width to iframe { width: 10...
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
Note : Things have moved on since this question was asked; see here for a good recent overview.
11 Answers
...
What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
I found this kind of syntax being used on Facebook for Ajax calls. I'm confused on the for (;;); part in the beginning of response. What is it used for?
...
Hibernate, @SequenceGenerator and allocationSize
...uenceGenerator - it increases real database sequence by one , multiple this value by 50 (default allocationSize value) - and then uses this value as entity ID.
...
Get itunes link for app before submitting
...ou can submit the app without the binary but I based on what I have seen this is no longer possible. It seems you cannot submit without the binary and the binary is submitted through the application loader. Is there any other known way to get the itunes/app store link to my app before I submit the b...
Is it worth using Python's re.compile?
Is there any benefit in using compile for regular expressions in Python?
26 Answers
26...
What are best practices for REST nested resources?
...
What you have done is correct. In general there can be many URIs to the same resource - there are no rules that say you shouldn't do that.
And generally, you may need to access items directly or as a subset of something else - so your struct...