大约有 47,000 项符合查询结果（耗时：0.0551秒） [XML]
Numpy array dimensions
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answered Jun 17 '10 at 12:59
Felix KlingFelix Kling
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Are SVG parameters such as 'xmlns' and 'version' needed?
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sleske
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answered Aug 27 '13 at 14:32
Robert Long...
Why is it OK to return a 'vector' from a function?
...α ῥεῖ
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Disable messages upon loading a package
...ssMessages() around your library() call:
edd@max:~$ R
R version 2.14.1 (2011-12-22)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: x86_64-pc-linux-gnu (64-bit)
[...]
R> suppressMessages(library(ROCR))
R> ...
Why can't decimal numbers be represented exactly in binary?
...to SO about floating-point representation. For example, the decimal number 0.1 doesn't have an exact binary representation, so it's dangerous to use the == operator to compare it to another floating-point number. I understand the principles behind floating-point representation.
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Use a LIKE statement on SQL Server XML Datatype
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FROM WebPageContent
WHERE data.value('(/PageContent/Text)[1]', 'varchar(100)') LIKE 'XYZ%'
The .value method gives you the actual value, and you can define that to be returned as a VARCHAR(), which you can then check with a LIKE statement.
Mind you, this isn't going to be awfully fast. So if yo...
获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
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偏移量
字段描述
必须 的 ？
0-2
启动文件系统载入器 (loader)的 汇编代码 (即转到 loader 的起始位置 )
不
3-10
操作系统名称 ( ASCII 形式 )
不
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磁盘扇...
ASP.NET MVC Razor Concatenation
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You should wrap the inner part of the call with ( ):
<li id="item_@(item.TheItemId)">
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What is the use of the ArraySegment class?
... array, get the first item, and so on:
var array = new byte[] { 5, 8, 9, 20, 70, 44, 2, 4 };
array.Dump();
var segment = new ArraySegment<byte>(array, 2, 3);
segment.Dump(); // output: 9, 20, 70
segment.Reverse().Dump(); // output 70, 20, 9
segment.Any(s => s == 99).Dump(); // output false...
Objective-C - Remove last character from string
...hat method you can trim your string like this:
if ([string length] > 0) {
string = [string substringToIndex:[string length] - 1];
} else {
//no characters to delete... attempting to do so will result in a crash
}
If you want a fancy way of doing this in just one line of code you...