大约有 47,000 项符合查询结果(耗时:0.0609秒) [XML]

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How do you get the logical xor of two variables in Python?

... Although this is clever and short, I'm not convinced it's clean. When someone reads this construct in the code, is it immediately obvious to them that this is an xor operation? I felt obliged to add a comment - a sign for me that I'm writing unclear...
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Convert HTML + CSS to PDF [closed]

I have an HTML (not XHTML) document that renders fine in Firefox 3 and IE 7. It uses fairly basic CSS to style it and renders fine in HTML. ...
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How does one make random number between range for arc4random_uniform()?

so my goal in this codebit is to randomly roll two dice and as we all know your regular die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too mu...
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Difference between natural join and inner join

What is the difference between a natural join and an inner join? 11 Answers 11 ...
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Automatically create an Enum based on values in a database lookup table?

How do I automatically create an enum and subsequently use its values in C# based on values in a database lookup table (using enterprise library data layer)? ...
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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?

...2. Finally, to install the new ruby version, just run rvm install 1.9.2 - and wait for it to compile! share | improve this answer | follow | ...
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Algorithm for creating a school timetable

...ble. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teachers associated with each other at the input and that timetable should fit between 8AM and 4P...
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Meaning of -

I am new to XML and I am trying to understand the basics. I read the line below in "Learning XML", but it is still not clear, for me. Can someone point me to a book or website which explains these basics clearly? ...
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What is the difference between a generative and a discriminative algorithm?

Please, help me understand the difference between a generative and a discriminative algorithm, keeping in mind that I am just a beginner. ...
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How do I convert seconds to hours, minutes and seconds?

...his is the best way, IMHO, as you can then use arithmetic on the timedelta and any datetime objects. – Matthew Schinckel Apr 22 '09 at 3:13 13 ...