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面向对象设计原则之一:单一职责原则
单一职责原则(Single Responsibility Principle SRP) There should never be more than one reason for a class to change. 什么意思呢? 所谓单一职责原则就是一个类只负责一个职责,只有一个引起变化的原因。 ...
分类:其他好文   时间:2017-07-10 23:44:12    阅读次数:208
How to parse Xml file -- DOM!
We can see that when we want to use the Dom4j to parse XML , we should import org.dom4j.* At the same time ,that to parse XML by DOM ,we should import ...
分类:其他好文   时间:2017-07-10 22:27:04    阅读次数:235
关于uboot下data abort的问题
在uboot下,常常会出现一些很让人揪心的问题。解决这些问题的关键就是方法与方向。把握好这两点,一切问题都能够迎刃而解。同一时候也要自信。例如以下: 有时我们会遇到例如以下的出错信息,这时CPU会reboot。 data abort MAYBE you should read doc/README. ...
分类:其他好文   时间:2017-07-10 20:20:34    阅读次数:225
[LeetCode] Single Number
Given an array of integers, every element appears twice except for one. Find that single one. Note:Your algorithm should have a linear runtime complex ...
分类:其他好文   时间:2017-07-10 18:02:09    阅读次数:164
复习CS61B project1之前的题目
lab 1 考点: substring/concat/equals/equalsIgnoreCase/indexOf all index from 0 not 1. homework 1 考点: opencommerical是老师上课讲过的例子,现学现卖/怎样读取网页检查元素/readline()会 ...
分类:其他好文   时间:2017-07-10 14:32:33    阅读次数:880
leetcode merge list and add two number,ismatch
preview: '.' Matches any single character. '*' Matches zero or more of the preceding element. The matching should cover the entire input string (not p... ...
分类:其他好文   时间:2017-07-10 10:37:37    阅读次数:179
[LeetCode] Kill Process 结束进程
Given n processes, each process has a unique PID (process id) and its PPID (parent process id). Each process only has one parent process, but may have ...
分类:系统相关   时间:2017-07-10 10:14:01    阅读次数:220
May the force be with me.
However,we should all study hard.No one will go with you forever.Believe yourself. 一起努力吧 四中? 英才? 华侨? 中专? 哦不不不 我想去肇中 我有这个勇气 没这个能力 我想努力下 稳进英才罢了 但是很难 沉舟侧 ...
分类:其他好文   时间:2017-07-09 12:21:57    阅读次数:327
Python之操作Excel、异常处理、网络编程
知识补充: 1.falsk模块中一些方法总结 import flask from flask import request,jsonify server = flask.Flask(__name__) #把当前文件当作一个服务 server.config['JSON_AS_ASCII'] = Fal ...
分类:编程语言   时间:2017-07-08 16:15:52    阅读次数:247
CodeForces-2015 HIAST Collegiate Programming Contest-Gym-100952A-Who is the winner?
A. Who is the winner? time limit per test 1 second memory limit per test 64 megabytes input standard input output standard output A. Who is the winner ...
分类:Windows程序   时间:2017-07-08 00:17:43    阅读次数:310
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