大约有 3,500 项符合查询结果（耗时：0.0192秒） [XML]
C#操作XML小结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...23" value="321"/>
</aaa>
如果我要找到123然后取到321应该怎么写呢？
using System.XML;
XmlDataDocument xmlDoc = new System.Xml.XmlDataDocument();
xmlDoc.Load(@"c:/Config.xml");
XmlElement elem = xmlDoc.GetElementById("add");
string str = elem.Attributes["value"].Value
第三...
从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...就清楚地知道了Mahout推荐引擎的原理和使用，我们就可以写一个自己的构造器，通过“策略模式”实现，算法的组合。
新建文件：org.conan.mymahout.recommendation.job.RecommendFactory.java
public final class RecommendFactory {
...
}
1). 构造数据...
C++并发编程（中文版） - 文档下载 - 清泛网 - 专注C/C++及内核技术
... 137
6.3 设计更为复杂的基于锁的数据结构… 148
6.3.1 编写一个使用锁的线程安全查找表… 148
6.3.2 编写一个使用锁的线程安全链表… 153
6.4 小结… 157
第7章 设计无锁的并发数据结构… 159
7.1 定义和结果… 159
7.1.1 无阻塞数据...
How to show multiline text in a table cell
...rap our content works fine, but due to the use of this table (exporting to excel), large #s of columns and rows balloon the size of the exported file and cause excel to crash upon reading the file. (odd, I know). Has anyone else seen this or have an idea for a solution?
– JoeBr...
Ruby off the rails
... exist for this purpose.
I highly recommend Googling "ruby dsl" for some excellent reading, but I would like to leave you with one post in particular. Russ Olsen wrote a two part blog post on DSLs. I saw him give a presentation on DSLs and it was very good. I highly recommend reading these posts.
...
C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
.../ 可拓展 / 阻塞场景可用
性能依赖 TLS
性能敏感 / 读多写少
C++ 标准库中提供了锁和引用计数方案。锁的缺点很明显，无论是哪种锁，在读的时候都会产生较大的开销。引用计数则相对好一些，但每次读取都需要修改引...
Standard deviation of a list
...of numpy.std is not correct. Given these values: 20,31,50,69,80 and put in Excel using STDEV.S(A1:A5) the result is 25,109 NOT 22,45.
– Jim Clermonts
Oct 1 '15 at 9:28
...
Combine Date and Time columns using python pandas
...
When I 'pd.read_excel' an Excel column that Excel identifies as "Time," pandas also reads it as "Time" automatically without any parsing argument required. Thanks for this solution. +1
– Saeed
Oct 14 '1...
What's so wrong about using GC.Collect()?
...
So how about when you are using COM objects like MS Word or MS Excel from .NET? Without calling GC.Collect after releasing the COM objects we have found that the Word or Excel application instances still exist.
In fact the code we use is:
Utils.ReleaseCOMObject(objExcel)
' Call the...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...需要对OAuth概念有一定的了解，如不清楚可以参考我以前写的文章：OAuth那些事儿，其次需要注册成为各个微博平台（新浪，腾讯，搜狐，网易）的开发者，拿到属于你自己的CONSUMER_KEY和CONSUMER_SECRET（有时也被称作APP_*）。
下面...