Todo List Java

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Year-end inventory counts 2017 Top 20 hot topics in Yunqi Community (with 100+ topic list)

Here to find year-end inventory counts 2017 top 20 hot topics in Yunqi Community (with 100+ topic list)

Data import HBase Three most commonly used methods and practice analysis

To use Hadoop, data consolidation is critical and hbase is widely used. In general, you need to transfer data from existing types of databases or data files to HBase for different scenario patterns. The common approach is to use the Put method in the HBase API, to use the HBase Bulk Load tool, and to use a custom mapreduce job. The book "HBase Administration Cookbook" has a detailed description of these three ways, by Imp ...

Traversing collection data using Java iterators

This article describes the use of java iterators to traverse ArrayList collections, Set collections, and Map collections.

Using Hadoop to implement associated commodity statistics

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Reprint please specify the Source: http://blog.csdn.net/xiaojimanman/article/details/40184581 In recent days has been looking at Hadoop-related books, a little bit of feeling, they are modeled on the wor ...

Apache Cassandra Learning Step (5): Actual Jtwissandra Project-it

After completing the four basic learning steps of Apache Cassandra, you can try the actual code. If necessary, it is recommended to briefly review: Apache Cassandra Learning Step (1) Apache Cassandra Learning Ste ...

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