传智播客day65-Hadoop入门
云计算 熟悉java集合类(Vector, ArrayList, LinkedList), io, 并发编程(锁 Lock, synchronized)和熟悉jvm原理及内存管理, 对数据结构, 算法有深刻的理解 项目简介 作者 Doug Cuttng, 是 Lucene,
Play for Scala-Define Http interface
Benefits of good URL design If you don’t think changing the URL matters, then this is probably a good time to read Cool URIs Don’t Change, w
传智播客day64-NoSql
NoSql 简介 Not Only SQL, 一系列非关系型数据库的总称 关系型数据库中的表存储一些格式化数据结构, 每条记录的字段的组成都一样, 即使不是每条记录都需要所有字段 非关系型数据库以键值对存储, 结构不固定, 每一条记录可以有不一样的键, 每条记录可以根据需要增加一
Play for Scala-Deconstructing Play
Drawing the architectural big picture When a web client sends HTTP requests to a Play application, the request is handled by the embedded HT
Play for Scala-Getting Start
What Play is Play makes you more productive. Play is also a web framework whose HTTP interface is simple, convenient, flexible, and powerful
Akka in Action-Integration
Message endpoints The implementation of an interface between two systems isn't always easy, because the interface contains two areas: th
Akka in Action-Working with Transactions
Software Transactional Memory We have an event and we have a number of seats that multiple threads want to lay claim to. Our shared data is
Akka in Action-Message Channels & Finite State Machines
Chinnel types Other names which are often used for these kind of channels are EventQueue or EventBus. Akka has an EventStream which implemen
Akka in Action-System Structure & Routing Messages
One of the immediate implications of Actor based programming is how do we model code that requires collaborators to work together if each un
Akka in Action-Distribute Akka App
We'll scale the goticks.com app out to two nodes; a frontend and a backend server. The REST Interface will run on a frontend node. The B
Akka in Action-Testing Actors & Fault tolerance
difficult in testing Actors Timing - Sending messages is asynchronous, so it is difficult to know when to assert expected values in the uni
Akka in Action-Introduce
启动案例 Akka is based on the Actor programming model. 1 2 3 git clone https://github.com/RayRoestenburg/akka-in-action.git sbt assembly java -j
vim spf13 快捷键小记
spf13 intro 简明vim攻略 vim分屏功能 无插件vim编程技巧 Toggle comments using <Leader>c<space> mechanism to load files from the file system <c
learning scalaz 进阶3
Origami programming The dual of folding is unfolding. The Haskell standard List library defines the function unfoldr for generating lists. 1
learning scalaz 进阶2
Applicative Builder 1 2 3 4 5 scala> (3.some |@| 5.some) {_ + _} res18: Option[Int] = Some(8) scala> val f = ({(_: Int) * 2} |@| {(_: