大约有 32,294 项符合查询结果(耗时:0.0279秒) [XML]

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What does the 'u' symbol mean in front of string values? [duplicate]

... Thank you ..just to make it clear, what i understand that i will not get error operating on dictionary with string represented as unicode. – user1488987 Jul 1 '12 at 5:23 ...
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What is java pojo class, java bean, normal class? [duplicate]

... @firstpostcommenter It might be useful to get a description of what POJO is from the person who coined the term. ("encoding business logic into regular java objects rather than using Entity Beans"). In other words, POJO was a name to given to describe "plain old java objects" in order t...
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What is &&& operation in C

...s. Example: void fn(type& x = *reinterpret_cast<type*>(NULL)); What is the value of &x in fn if fn is called without parameters? It's 0 a.k.a. false. However, using it the way described, it'll always be true unless i == 0, and if one was using it as I described, it would be c = &am...
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How to log in to phpMyAdmin with WAMP, what is the username and password?

What does the word "root" mean in phpMyAdmin ? 6 Answers 6 ...
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what is Segmentation fault (core dumped)? [duplicate]

... Yeah, I just thought I'd mention it because that's what I use:) – Will Hopkins Jul 13 '17 at 22:54 add a comment  |  ...
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What does %>% mean in R [duplicate]

...ence the reference to Magritte's famous painting The Treachery of Images. What the function does is to pass the left hand side of the operator to the first argument of the right hand side of the operator. In the following example, the data frame iris gets passed to head(): library(magrittr) iris %...
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Stateless vs Stateful - I could use some concrete information

...that BL-classes are stateless by design, entity classes (or atleast that's what I call them - like Person(id, name, ..)) are stateful, etc. ...
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What is the explicit promise construction antipattern and how do I avoid it?

...stion. I just thought it was a use-case you were missing from your answer. What I'm doing seems more like the opposite of aggregation, doesn't it? – mhelvens Sep 25 '14 at 19:43 1 ...
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What is the advantage of using forwarding references in range-based for loops?

....e. I wouldn't do this gratuitously because it does cause people to wonder what you're up to. And if I did do it, it wouldn't hurt to include a comment as to why: #include <vector> int main() { std::vector<bool> v(10); // using auto&& so that I can handle the rvalue re...
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What is the difference between square brackets and parentheses in a regex?

... that regex is trying to match << or >> or [[ or ]]. But from what you've said, it should be matching < or > or [ or ]. If you use | between [], do the brackets behave differently? – Daniel Kaplan Nov 14 '17 at 20:39 ...