大约有 10,900 项符合查询结果(耗时:0.0359秒) [XML]

https://stackoverflow.com/ques... 

JavaScript: What are .extend and .prototype used for?

... Prototype javascript library, but I am beginning to think that is not the case. What are these used for? 6 Answers ...
https://stackoverflow.com/ques... 

ExecuteReader requires an open and available Connection. The connection's current state is Connectin

... day a similar comment since many people think that it would be smart to encapsulate ADO.NET functionality into a DB-Class(me too 10 years ago). Mostly they decide to use static/shared objects since it seems to be faster than to create a new object for any action. That is neither a good idea in ter...
https://stackoverflow.com/ques... 

How to set a Timer in Java?

...se code here */, 2*60*1000, 2*60*1000); Making a task timeout To specifically do what the clarified question asks, that is attempting to perform a task for a given period of time, you could do the following: ExecutorService service = Executors.newSingleThreadExecutor(); try { Runnable r = n...
https://stackoverflow.com/ques... 

Socket.io rooms difference between broadcast.to and sockets.in

... socket.broadcast.to broadcasts to all sockets in the given room, except to the socket on which it was called while io.sockets.in broadcasts to all sockets in the given room. ...
https://stackoverflow.com/ques... 

In C#, can a class inherit from another class and an interface?

I want to know if a class can inherit from a class and an interface. The example code below doesn't work but I think it conveys what I want to do. The reason that I want to do this is because at my company we make USB, serial, Ethernet, etc device. I am trying to develop a generic component/interfa...
https://stackoverflow.com/ques... 

Requirejs why and when to use shim config

...e Underscore and Backbone here use like the normal, what's shim do in this case? Can I use require( function() { _.extend({}); })? Does it understand _? – Stiger Aug 14 '14 at 4:48 ...
https://stackoverflow.com/ques... 

What is an 'endpoint' in Flask?

...Werkzeug library) is to map URL paths to some logic that you will run (typically, the "view function"). Your basic view is defined like this: @app.route('/greeting/<name>') def give_greeting(name): return 'Hello, {0}!'.format(name) Note that the function you referred to (add_url_rule) a...
https://stackoverflow.com/ques... 

What is the benefit of using Fragments in Android, rather than Views?

When developing for Android , you can set your target (or minimum) sdk to 4 (API 1.6) and add the android compatibility package (v4) to add support for Fragments . Yesterday I did this and successfully implemented Fragments to visualize data from a custom class. ...
https://stackoverflow.com/ques... 

What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?

...epends on whether you're using a log command or a diff command. In the log case, it's in the man git-rev-parse documentation: To exclude commits reachable from a commit, a prefix ^ notation is used. E.g. ^r1 r2 means commits reachable from r2 but exclude the ones reachable from r1. This set...
https://stackoverflow.com/ques... 

What is the difference between self::$bar and static::$bar in PHP?

...r, you're referring to the class within which you use the keyword. In this case, your Foo class defines a protected static property called $bar. When you use self in the Foo class to refer to the property, you're referencing the same class. Therefore if you tried to use self::$bar elsewhere in your...