大约有 40,000 项符合查询结果(耗时:0.0606秒) [XML]

https://stackoverflow.com/ques... 

jQuery clone() not cloning event bindings, even with on()

...ations. They work great and have been tested. However, I have run into a small problem which I am having trouble understanding. ...
https://stackoverflow.com/ques... 

Scala vs. Groovy vs. Clojure [closed]

... Groovy is a dynamically typed language, whose syntax is very close to Java, with a number of syntax improvements that allow for lighter code and less boilerplate. It can run through an interpreter as well as being compiled, which makes it good ...
https://stackoverflow.com/ques... 

Real mouse position in canvas [duplicate]

... evt.clientX - rect.left, y: evt.clientY - rect.top }; } Just call it from your event with the event and canvas as arguments. It returns an object with x and y for the mouse positions. As the mouse position you are getting is relative to the client window you'll have to subtract the pos...
https://stackoverflow.com/ques... 

count members with jsonpath?

... @mattb - if using Maven, do not add hamcrest-all as a dependancy, but use hamcrest-library: code.google.com/p/hamcrest/wiki/HamcrestDistributables – Adam Michalik Nov 3 '15 at 13:37 ...
https://stackoverflow.com/ques... 

git + LaTeX workflow

...ve my work computer and my laptop, and I work on them both. I need to keep all the files synchronized between the two computers, and also would like to keep a revision history. I chose git as my DVCS, and I'm hosting my repository on my server. I'm also using Kile + Okular to do the editing. Kile do...
https://stackoverflow.com/ques... 

Entity Framework 4 vs NHibernate [closed]

...ork 4 and NHibernate. We can say that today NHibernate is the leader among all .NET ORMs, but can we expect Entity Framework 4 to displace NHibernate from this position. I think if Microsoft has really injected very good features in EF4 it can give good competition to NHibernate as it has Visual Stu...
https://stackoverflow.com/ques... 

Add new field to every document in a MongoDB collection

...field" : 1, "test" : "a" } EDIT: In case you want to add a new_field to all your collection, you have to use empty selector, and set multi flag to true (last param) to update all the documents db.your_collection.update( {}, { $set: {"new_field": 1} }, false, true ) EDIT: In the above ...
https://stackoverflow.com/ques... 

Does SQLAlchemy have an equivalent of Django's get_or_create?

... That's basically the way to do it, there is no shortcut readily available AFAIK. You could generalize it ofcourse: def get_or_create(session, model, defaults=None, **kwargs): instance = session.query(model).filter_by(**kwargs).firs...
https://stackoverflow.com/ques... 

Is it better to use std::memcpy() or std::copy() in terms to performance?

...y. I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the m...
https://stackoverflow.com/ques... 

How to replace all dots in a string using JavaScript

I want to replace all the occurrences of a dot( . ) in a JavaScript string 15 Answers ...