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Why no ICloneable?
...allow cloning? If List<T> had a clone method, I would expect it to yield a List<T> whose items have the same identities as those in the original list, but I would expect that any internal data structures would be duplicated as needed to ensure that nothing done to one list will affect t...
Ignore mouse interaction on overlay image
...eep in mind that pointer-events isn't supported by all major browsers yet. IE doesn't support it (surprise...), and I think Safari doesn't support it either.
– Hatchmaster
Oct 9 '12 at 16:22
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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...Model: 用户ID，物品ID (UserID,ItemID)，这种方式表达用户是否浏览过该物品，但并未对物品进行打分。
4. 相似度算法工具集
相似度算法分为2种
基于用户(UserCF)的相似度算法
基于物品(ItemCF)的相似度算法
1). 基于用户(UserCF)...
What's the difference between window.location and document.location in JavaScript?
...bit. For the most part, they behave similarly CONSIDERING THE CAVEAT SPECIFIED by rahul. Let's not nail him on semantics. A little philadelphia, gentlemen. I, for one, found his answer fully satisfying. +1 (Christoph's should be the accepted answer, but rahul's is acceptable -- at the least, not wor...
Why does 2 == [2] in JavaScript?
...use the strict equality operator ===.
The first and second example are easier to follow as property names are always strings, so
a[[2]]
is equivalent to
a[[2].toString()]
which is just
a["2"]
Keep in mind that even numeric keys are treated as property names (ie strings) before any array-ma...
How to get the data-id attribute?
...e brackets must match whatever you have set as your custom data-attribute. ie If custom data attribute is data-volume, you must reference it using .attr("data-volume"). And, with jQuery 1.4.3 upwards and using .data(), the text inside the brackets must match your custom data attribute without the da...
How can I force browsers to print background images in CSS?
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This is awesome. Makes life much easier for phantomjs users / webkit
– Jason
Feb 23 '14 at 3:56
1
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Capture iframe load complete event
...llows multiple callbacks to run on the load event.
– Iest
Aug 5 '15 at 8:03
1
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Are HTTP headers case-sensitive?
...er Protocol -- HTTP/1.1", Section 4.2, "Message Headers":
Each header field consists of a name followed by a colon (":") and the field value. Field names are case-insensitive.
The updating RFC 7230 does not list any changes from RFC 2616 at this part.
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Validate that end date is greater than start date with jQuery
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This yields an error in Google chrome. If you pass a value less than 12 or greater than 31, it ends up being parsed as a date, and hence it's validated as a date as well. I had to separate this into two methods (in hurry), but I'd ...