大约有 47,000 项符合查询结果(耗时:0.0512秒) [XML]

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Why is “while ( !feof (file) )” always wrong?

... stream is still in the good() state. C++, iostreams getline: for (std::string line; std::getline(std::cin, line); ) { consume(line); } The result we must use is again std::cin, just as before. POSIX, write(2) to flush a buffer: char const * p = buf; ssize_t n = bufsize; for (ss...
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Ensure that HttpConfiguration.EnsureInitialized()

... My error was [Route("api/{parameter:string}")] instead of [Route("api/{parameter}")]. Apparently putting :string as type is wrong as it is the default. – Jamby May 25 '16 at 13:32 ...
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Split data frame string column into multiple columns

... Use stringr::str_split_fixed library(stringr) str_split_fixed(before$type, "_and_", 2) share | improve this answer |...
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Call a REST API in PHP

...rmat, then simply use PHP command echo $my_json_variable to make that json string availabe to the client. So as you can see, my API returns json data, but you need to know (or look at the returned data to find out) what format the response from the API is in. This is how I connect to the API from ...
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Why aren't variables declared in “try” in scope in “catch” or “finally”?

...hrow new ArgumentException("some operation that throws an exception"); string s = "blah"; } catch (e as ArgumentException) { Console.Out.WriteLine(s); } This clearly is a problem - when you reach the exception handler, s will not have been declared. Given that catches are meant to handl...
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How to escape single quotes within single quoted strings

...between (1) and (2), or between (4) and (5), the shell will interpret that string as a one long word. share | improve this answer | follow | ...
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NodeJS - Error installing with NPM

...t least) 2 ways to resolve this. Installing the Cygwin package cygutils-extra and use winln. Use native Windows CMD in Admin mode. For (1) you can create a proper symlink from within Cygwin shell by doing these steps: # To make the Cygwin environment treat Windows links properly: # Alternat...
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Jquery bind double click and single click separately

... is missing reorder arguments } else if (!(typeof(delegateSelector)==='string' && typeof(clickFun)==='function' && typeof(dblclickFun)==='function')) { return false; } return $(this).each(function() { $(this).on('click', delegateSelector, function(event) {...
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How do you create a toggle button?

...it is checked or not. But there are no good ways do to it. You have to add extra span, extra div, and, for a really nice look, add some javascript. So the best solution is to use a small jQuery function and two background images for styling the two different statuses of the button. Example with an ...
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What is the difference between RDF and OWL? [closed]

...edicate. The object is either another URI or a literal such as a number or string. Literals can have a type (which is also a URI), and they can also have a language. Yes, this means triples can have up to 5 bits of data! For example a triple might describe the fact that Charles is Harrys father. &...