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1. Weak references： In computer programming, a weak reference is a reference that does not protect the referenced object from collection by a garbage 阅读全文
posted @ 2016-09-16 08:14
whaochen
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1. How would you write a socket client/server in Java The Client side: 2. Main Differences Betwen Java NIO and IO: IO NIOStream oriented Buffer orient 阅读全文
posted @ 2016-09-14 03:00
whaochen
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1. HashMap vs HashTable vs ConcurrentHashMap 1). Thread -Safe : ConcurrentHashMap is thread-safe that is the code can be accessed by single thread at 阅读全文
posted @ 2016-09-14 01:09
whaochen
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Mutexes, ReadWriteLock, ArrayBlockingQueue, Thread pools, LinkedList vs ArrayList, Object Pooling, Read-Modify-Write, java.util.concurrent, java.util. 阅读全文
posted @ 2016-09-13 23:04
whaochen
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1.Implement a thread-safe (blocking) queue: 2. Memory consistency effects: As with other concurrent collections, actions in a thread prior to placing 阅读全文
posted @ 2016-09-13 00:14
whaochen
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1. Dependency Injection Answer: Any application is composed of many objects that collaborate with each other to perform some useful stuff. Traditional 阅读全文
posted @ 2016-09-12 23:20
whaochen
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标签： 前端学习笔记 今天开始学习react.js特开这一篇随笔作为react的学习笔记，主要记录看到的重点内容和自己的心得感想： 一. 基本组件和方法 1.reactjs引入了一个虚dom的概念，对于每一个dom点都会存在一个状态，如果这个dom上的属性发生了改变，在react中如果发生了变化：首 阅读全文
posted @ 2016-09-12 04:29
whaochen
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Design Patterns (Factory, Abstract Factory, singleton, DAO, Proxy)： 1. Factory: In Factory pattern, we create object without exposing the creation log 阅读全文
posted @ 2016-09-10 07:19
whaochen
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标签： 动态规划 题目描述： There are a row of n houses, each house can be painted with one of the k colors. The cost of painting each house with a certain color i 阅读全文
posted @ 2016-09-10 04:54
whaochen
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标签： 动态规划 描述： Find the contiguous subarray within an array (containing at least one number) which has the largest product. Find the contiguous subarray 阅读全文
posted @ 2016-09-10 00:47
whaochen
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