大约有 42,000 项符合查询结果(耗时:0.0504秒) [XML]

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How can I add reflection to a C++ application?

I'd like to be able to introspect a C++ class for its name, contents (i.e. members and their types) etc. I'm talking native C++ here, not managed C++, which has reflection. I realise C++ supplies some limited information using RTTI. Which additional libraries (or other techniques) could supply this ...
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Accessing private member variables from prototype-defined functions

Is there any way to make “private” variables (those defined in the constructor), available to prototype-defined methods? ...
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }

I have been reading a lot of Javascript lately and I have been noticing that the whole file is wrapped like the following in the .js files to be imported. ...
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Java: how do I get a class literal from a generic type?

Typically, I've seen people use the class literal like this: 8 Answers 8 ...
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How to make an input type=button act like a hyperlink and redirect using a get request? [duplicate]

How do I make a <input type=button> act like a hyperlink and redirect using a GET request? 6 Answers ...
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Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]

I'm a beginner RoR programmer who's planning to deploy my app using Heroku. Word from my other advisor friends says that Heroku is really easy, good to use. The only problem is that I still have no idea what Heroku does... ...
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Capturing Groups From a Grep RegEx

I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point: ...
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How do I check if an index exists on a table field in MySQL?

I've needed to Google this a couple times, so I'm sharing my Q/A. 10 Answers 10 ...
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How to change column order in a table using sql query in sql server 2005?

How to change column order in a table using SQL query in SQL Server 2005? 21 Answers 2...
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How does the HyperLogLog algorithm work?

I've been learning about different algorithms in my spare time recently, and one that I came across which appears to be very interesting is called the HyperLogLog algorithm - which estimates how many unique items are in a list. ...