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【算法】动态规划
描述:代替递归求解 例如:斐波那契函数f(n)=f(n-1)+f(n-2)。计算f(n)需要计算f(n-1)和f(n-2)。当计算f(n-1)时要计算f(n-2)和f(n-3)。因此在计算f(n)中f(n-2)被计算了两次。 为了减少重复的递归调用,我们可以反过来计算。先计算f(2),有了f(2)再 ...
分类:编程语言   时间:2019-12-23 12:58:10    阅读次数:79
GHOST CMS - Responsive Images 图片显示
Responsive Images Responsive Images Optimise the performance of your site by outputting images at different sizes depending on where they appear Overv ...
分类:其他好文   时间:2019-12-23 00:09:03    阅读次数:88
Find Peak Element II
Description Description Given an integer matrix A which has the following features : The numbers in adjacent positions are different. The matrix has n ...
分类:其他好文   时间:2019-12-21 20:58:58    阅读次数:80
HDU1619 Unidirectional TSP
Problem Description Problems that require minimum paths through some domain appear in many different areas of computer science. For example, one of th ...
分类:其他好文   时间:2019-12-21 20:35:46    阅读次数:66
别再误解MySQL和「幻读」了
The so-called phantom problem occurs within a transaction when the same query produces different sets of rows at different times. For example, if a SE ...
分类:数据库   时间:2019-12-17 16:39:50    阅读次数:172
quartz的配置文件说明
# Default Properties file for use by StdSchedulerFactory # to create a Quartz Scheduler Instance, if a different # properties file is not explicitly s ...
分类:其他好文   时间:2019-12-16 22:07:13    阅读次数:95
Data Guard:Oracle 12c –新增和更新的功能 (Doc ID 1558256.1)
Data Guard: Oracle 12c – New and updated Features (Doc ID 1558256.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 12.1.0.1 to 12.1.0.1 [ ...
分类:数据库   时间:2019-12-15 14:19:47    阅读次数:130
算法设计与分析-Week12
题目描述You are given coins of different denominations and a total amount of money amount. Write a function to compute the fewest number of coins that you... ...
分类:编程语言   时间:2019-12-14 23:01:40    阅读次数:130
pandas 之 datetime 初识
认识 Time series data is an impotant from of data in many different fields, such as finance, economics, ecology, neuroscience(神经学) and physics. Anything ...
分类:其他好文   时间:2019-12-13 23:47:50    阅读次数:146
Add an Item to the New Action 在新建按钮中增加一个条目
在本课中,您将学习如何将项目添加到新操作(NewObjectViewController.NewObjectAction)。将使用商务舱库中的事件业务类。 ...
分类:其他好文   时间:2019-12-13 17:53:22    阅读次数:67
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