大约有 42,000 项符合查询结果(耗时:0.0528秒) [XML]

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What is the difference between quiet NaN and signaling NaN?

I have read about floating-point and I understand that NaN could result from operations. But I can't understand what these are concepts exactly. What is the difference between them? ...
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What is Rack middleware?

... Rack as Design Rack middleware is more than "a way to filter a request and response" - it's an implementation of the pipeline design pattern for web servers using Rack. It very cleanly separates out the different stages of processing a request - separation of concerns being a key goal of all w...
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How to generate a random string of a fixed length in Go?

I want a random string of characters only (uppercase or lowercase), no numbers, in Go. What is the fastest and simplest way to do this? ...
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How to convert AAR to JAR

... The AAR file consists of a JAR file and some resource files (it is basically a standard zip file with a custom file extension). Here are the steps to convert: Extract the AAR file using standard zip extract (rename it to *.zip to make it easier) Find the clas...
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What makes Scala's operator overloading “good”, but C++'s “bad”?

Operator overloading in C++ is considered by many to be A Bad Thing(tm), and a mistake not to be repeated in newer languages. Certainly, it was one feature specifically dropped when designing Java. ...
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Regular expression for floating point numbers

... TL;DR Use [.] instead of \. and [0-9] instead of \d to avoid escaping issues in some languages (like Java). Thanks to the nameless one for originally recognizing this. One relatively simple pattern for matching a floating point number is [+-]?([0-9]...
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What is the difference between display: inline and display: inline-block?

What exactly is the difference between the inline and inline-block values of CSS display ? 5 Answers ...
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Why are functions in Ocaml/F# not recursive by default?

Why is it that functions in F# and Ocaml (and possibly other languages) are not by default recursive? 6 Answers ...
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What's the difference between an argument and a parameter?

...ng else. Either way the other people know what I mean, but what's correct, and what's the history of the terms? 34 Answers ...
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Mythical man month 10 lines per developer day - how close on large projects? [closed]

...n beat the "10 lines per developer per day" from the "Mythical Man Month", and starting a project, I can usually get a couple hundred lines in in a day. ...