大约有 40,740 项符合查询结果(耗时:0.0514秒) [XML]

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How does __proto__ differ from constructor.prototype?

It always returns the object with rating = 3. 8 Answers 8 ...
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Reverse a string in Java

I have "Hello World" kept in a String variable named hi . 45 Answers 45 ...
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How do I format a date in Jinja2?

Using Jinja2, how do I format a date field? I know in Python I can simply do this: 9 Answers ...
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Functional style of Java 8's Optional.ifPresent and if-not-Present?

In Java 8, I want to do something to an Optional object if it is present, and do another thing if it is not present. 12 A...
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What is the best extension for SQLite database files? [closed]

I know there is no specific naming convention, but what extension do you recommend when using SQLite? 5 Answers ...
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How to convert CSV file to multiline JSON?

Here's my code, really simple stuff... 10 Answers 10 ...
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Query an XDocument for elements by name at any depth

I have an XDocument object. I want to query for elements with a particular name at any depth using LINQ. When I use Descendants("element_name") , I only get elements that are direct children of the current level. What I'm looking for is the equivalent of "//element_name" in XPath...should I ju...
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Arrow operator (->) usage in C

I am reading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the eq...
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Aspect Oriented Programming vs. Object-Oriented Programming

Like most developers here and in the entire world, I have been developing software systems using object-oriented programming (OOP) techniques for many years. So when I read that aspect-oriented programming (AOP) addresses many of the problems that traditional OOP doesn't solve completely or directly...
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How can I get useful error messages in PHP?

Quite often I will try and run a PHP script and just get a blank screen back. No error message; just an empty screen. The cause might have been a simple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely. ...