Http://www.cnblogs.com/kingwolfofsky/archive/2011/07/21/2112299.html
floating point numbers
1. What are floating point numbers
In the process of computer system development, several methods have been proposed to express real numbers. Typically, for
It 's written in front .
About Kd-tree Search article is not much, in fact, in OpenCV, the so-called Kd-tree search, just Flann "Fast approximate nearest search" in the index of one. The Kd-tree search refers to the Kd-tree index established in the
This paper mainly describes the principle of HDFs-architecture, replica mechanism, HDFS load balancing, rack awareness, robustness, file deletion and recovery mechanism
1: Detailed analysis of current HDFS architecture
HDFS Architecture
1, Namenode
Encapsulation application of Bigdicemal class in Java
Unfortunately used before, and now used, so the study of the following is as follows:
Package jp.co.**.**.com.utl;
Import Java.math.BigDecimal;
public class Utils {
/** Precision * *private
Encapsulation application of Bigdicemal class in Java
Unfortunately used before, and now used, so the study of the following is as follows:
Scale the decimal point to retain several.
Package jp.co.**.**.com.utl;
Import
The article is still good, but the images cannot be normally displayed. The csdn album cannot be viewed outside the site, and the blog garden cannot upload images. Therefore, if you want to see the picture, you can view it on my csdn blog. The link
1.1, what is the K nearest neighbor algorithmWhat is the K nearest neighbor algorithm, namely K-nearest Neighbor algorithm, short of the KNN algorithm, single from the name to guess, can be simple and rough think is: K nearest neighbour, when K=1,
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.