大约有 20,000 项符合查询结果(耗时:0.0475秒) [XML]

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A fast method to round a double to a 32-bit int explained

...o bad, but on later processors that started to get super-scalar and out-of-order execution, altering the fp rounding mode generally seriales the CPU core and is quite expensive. So on a CPU like a Pentium-III or Pentium-IV, this overall cost is quite high -- a normal fp->int conversion is 10x or...
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Functional, Declarative, and Imperative Programming [closed]

...eclarative languages don't express control-flow other than nested function order (a.k.a logical dependencies), because due to immutability, other choices of evaluation order do not change the result (see below). Declarative languages express logical "steps" (i.e. the nested RT function call order)...
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Right HTTP status code to wrong input

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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What is the standard naming convention for html/css ids and classes?

...at describe the object can also fall into four categories (which should be ordered from left to right): Object, Object-Descriptor, Action, and Action-Descriptor. car - a noun, and an object new - an adjective, and an object-descriptor that describes the object in more detail turned - a verb,...
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Sort an array in Java

...ays.sort(array); System.out.println(Arrays.toString(array)); // in reverse order for (int i = array.length - 1; i >= 0; i--) System.out.print(array[i] + " "); System.out.println(); share | i...
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In Vim, how do I apply a macro to a set of lines?

...ual selection or by a :40,50 / :+10 See http://www.vim.org/scripts/script.php?script_id=3271 share | improve this answer | follow | ...
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What does collation mean?

... Collation can be simply thought of as sort order. In English (and it's strange cousin, American), collation may be a pretty simple matter consisting of ordering by the ASCII code. Once you get into those strange European languages with all their accents and other fe...
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How to sort ArrayList in decreasing order?

How to sort an ArrayList<Long> in Java in decreasing order? 14 Answers 14 ...
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efficient way to implement paging

...1].[Name], [t1].[Code] FROM ( SELECT ROW_NUMBER() OVER ( ORDER BY [t0].[CodCity], [t0].[CodCountry], [t0].[CodRegion], [t0].[Name], [t0].[Code]) AS [ROW_NUMBER], [t0].[CodCity], [t0].[CodCountry], [t0].[CodRegion], ...
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SQL Switch/Case in 'where' clause

...= 'C2') OR (@selecttype = 5 AND LEFT(drugname.cdrugclass, 1) = 'C')) ORDER BY clinic.cclinicname, drugname.cdrugname END share | improve this answer | follow ...