@DeclareParents非常有意思,单独拿出来,这个可以给实现相同接口的类增加新的共同接口, 这样在不侵入原有代码的情况下,转换成其他类型并拥有新的方法。 这个功能在Spring AOP文档中叫做Introductions: Introductions (known as inter-type ...
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编程语言 时间:
2017-10-25 15:54:20
阅读次数:
200
Given a linked list, determine if it has a cycle in it. Follow up:Can you solve it without using extra space? 题目含义:判断一个列表是否有环路 ...
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其他好文 时间:
2017-10-24 17:18:47
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142
Given an integer, write a function to determine if it is a power of two. 题目含义:判断一个数是否是2的n次方 ...
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其他好文 时间:
2017-10-20 21:51:19
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218
MyBatis 真正的力量是在映射语句中。 和对等功能的jdbc来比价,映射文件节省非常多的代码量。 MyBatis的构建就是聚焦于sql的。 sql映射文件有例如以下几个顶级元素:(按顺序) cache配置给定命名空间的缓存。 cache-ref从其它命名空间引用缓存配置。 resultMap最复 ...
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数据库 时间:
2017-10-16 22:07:03
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226
Answering this for late-comers because I don't think that the posted answers get to the root of the problem, which is the lack of locale environment v ...
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编程语言 时间:
2017-10-12 12:15:29
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255
Sliding Window Time Limit: 12000MS Memory Limit: 65536K Total Submissions: 63635 Accepted: 18150 Case Time Limit: 5000MS Description An array of size ...
Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as a binary tree in which the dept ...
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其他好文 时间:
2017-10-09 09:54:55
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128
A Complete Tutorial to Learn Data Science with Python from Scratch Introduction It happened few years back. After working on SAS for more than 5 years... ...
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编程语言 时间:
2017-10-02 20:50:45
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349
题目链接:http://acm.split.hdu.edu.cn/showproblem.php?pid=1069 Monkey and Banana Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/O ...
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其他好文 时间:
2017-10-02 17:49:42
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244
TOYSTime Limit: 2000MSDescriptionCalculate the number of toys that land in each bin of a partitioned toy box. Mom and dad have a problem - their child... ...
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其他好文 时间:
2017-10-02 11:49:14
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171