Bootstrap-Bootstrap Layout Components
Bootstrap provides a toolkit of flexible components that can be used in designing application interfaces, web features, and more. All of the
Bootstrap provides a toolkit of flexible components that can be used in designing application interfaces, web features, and more. All of the
Typography Starting with typography, Bootstrap uses Helvetica Neue, Helvetica, Arial, and sans-serif in its default font stack. All body cop
Bootstrap template 1 2 3 4 5 6 7 8 9 10 11 <!DOCTYPE html> <html> <head> <title>Bootstrap 101 Template</tit
Accessing web services In this section, we’ll look at how to use Play’s Web Service API to connect our application to remote web services. B
Modules Currently available modules for Play 2 provide anything from alternate template engines to NoSQL database layers. This section will
Creating the single-page Play application In this section, we’ll add dynamic data from the server to our web page: a table of products that
Hive Hive是建立在Hadoop上的数据仓库基础架构, 它提供了一系列的工具, 可以存储、查询和分析在 Hadoop中的大规模数据机制. Hive 定义了简单的类 SQL 查询工具, 成为 QL, 将 QL 转换为 MapReduce. 可以结合 MapReduce 来处理
ZooKeeper ZooKeeper 是 Google 的 Chubby 的一个开源实现, Hadoop的分布式协调服务 负载均衡, 分布式锁, 协调服务, 数据同步, 数据发布与订阅 为了保证服务安全, 可以将 ZooKeeper 布置位一个集群, 一个 Leader Ser
Partitioner MapReduce 通过 Partitioner 来进行分区, 如按 月份, 地区进行分区 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3
MapReduce MapReduce 计算海量数据, 将一个任务切分成多个小任务, 分给多个进程计算 MapReduce 是一种分布式计算模型, 用户搜索领域, 解决海量数据计算的问题 MR由两个项目阶段组成: Map和Reduce, 用户只需要实现 map()和reduce
算法分析 关于计算机性能的研究 和 资源的利用 What' more important than performance? User-friendly Security 健壮性 简洁性 为什么研究算法和性能? 有时候用户友好和性能是正相关的 性能关系到 行和不行,
Forms—the concept Play provides the so-called forms API. The term form isn’t just about HTML forms in a Play application; it’s a more genera
The why of a template engine Templates allow you to reuse pieces of your HTML when you need them, such as a header and a footer section that
分布式文件系统与HDFS 客户端(Client) 查询 NameNode(记录文件存储信息), 将数据放入datanode(多个)或从中取出数据在上传过程中要进行冗余保存, datanode 自行进行水平复制.(流水线复制)上传过程中, 文件会被分块, 每块128M, 其实是对块
What are Anorm and Squeryl? In order to talk to the database, you’ll have to create SQL at some point. A modern object-relation mapper (ORM)