大约有 42,000 项符合查询结果(耗时:0.0600秒) [XML]

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Relative URL to a different port number in a hyperlink?

... It would be nice if this could work, and I don't see why not because : is a reserved character for port separation inside the URI component, so the browser could realistically interpret this as a port relative to this URL, but unfortunately it doesn't and there'...
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In Bash, how can I check if a string begins with some value?

... So is there a functional difference between [[ $a == z* ]] and [[ $a == "z*" ]]? In other words: do they work differently? And what specifically do you mean when you say "$a is equal to z*"? – Niels Bom Jun 16 '15 at 10:37 ...
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Geometric Mean: is there a built-in?

... Here is a vectorized, zero- and NA-tolerant function for calculating geometric mean in R. The verbose mean calculation involving length(x) is necessary for the cases where x contains non-positive values. gm_mean = function(x, na.rm=TRUE){ exp(sum(log...
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JavaScript: What are .extend and .prototype used for?

I am relatively new to JavaScript and keep seeing .extend and .prototype in third party libraries I am using. I thought it had to do with the Prototype javascript library, but I am beginning to think that is not the case. What are these used for? ...
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How to prompt for user input and read command-line arguments [closed]

How do I have a Python script that a) can accept user input and how do I make it b) read in arguments if run from the command line? ...
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Random “Element is no longer attached to the DOM” StaleElementReferenceException

...ms like a complete nightmare. The Chrome webdriver is currently unusable, and the other drivers are quite unreliable, or so it seems. I am battling many problems, but here is one. ...
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What is the difference between SessionState and ViewState?

What is the difference between SessionState and ViewState in ASP.NET? 5 Answers 5 ...
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What is the fundamental difference between WebSockets and pure TCP?

I've read about WebSockets and I wonder why browser couldn't simply open trivial TCP connection and communicate with server like any other desktop application. And why this communication is possible via websockets? ...
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What is the appropriate HTTP status code response for a general unsuccessful request (not an error)?

...return a status code that reflects success (status codes from 200 to 206 and from 300 to 307) but include a message body that describes an error condition. Doing this prevents HTTP-aware software from detecting errors. For example, a cache will store it as successful response and serve it to...
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Custom Compiler Warnings

... compiler warnings telling you that the object/method/property is obsolete and somthing else should be used. I'm currently working on a project that requires a lot of refactoring an ex-employees code. I want to write a custom attribute that I can use to mark methods or properties that will generate ...