<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[jaskson的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/jaskson</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; jaskson]]></copyright><item><title><![CDATA[Python Basics]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50808692</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50808692</guid><author>jaskson</author><pubDate>Sat, 05 Mar 2016 14:21:33 +0800</pubDate><description><![CDATA[Python Syntax
Data Type
Indention
Math Operation
Comment
String and console output
转移字符\
Access by index
Strig Method
str()
Not Notation
Printing Strings
print variables
Advanced printing
string concat]]></description><category></category></item><item><title><![CDATA[[Python for Data Anlysis]CH04 Numpy Basics -- Arrays and Vectorized Computation]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50678049</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50678049</guid><author>jaskson</author><pubDate>Thu, 18 Feb 2016 14:57:02 +0800</pubDate><description><![CDATA[NumPy Basics: Arrays and Vectorized Computation

NumPy, short for Numerical Python, is the fundamental package required for high 
performance scientific computing and data analysis.


ndarray
mathemat]]></description><category></category></item><item><title><![CDATA[[Python for Data Analysis]Chapter3 --Ipython]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50658439</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50658439</guid><author>jaskson</author><pubDate>Mon, 15 Feb 2016 04:07:41 +0800</pubDate><description><![CDATA[Ipython 历史

2001 Fernando Perez



优点


execute-explore workflow instead of the typical edit-compile-run workflow
tight integration with operating system’s shell and file system. 
Since much of data a]]></description><category></category></item><item><title><![CDATA[C++ 程序设计 Week6 多态和虚函数]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50654207</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50654207</guid><author>jaskson</author><pubDate>Fri, 12 Feb 2016 06:07:45 +0800</pubDate><description><![CDATA[多态和虚函数基本概念虚函数: 类定义中含virtual 关键字的为虚函数 
多态: 
1.  派生类的指针可以赋给基类指针 
    通过基类指针调用基类和派生类中的同名虚函数时:-  若该指针指向一个基类的对象，那么被调用
是基类的虚函数；
-  若该指针指向一个派生类的对象，那么被调
用的是派生类的虚函数。
2.   派生类的对象可以赋给基类引用int main() {
 A a; B b; E]]></description><category></category></item><item><title><![CDATA[[Python for Data Analysis] Python Basic--Function]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50649500</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50649500</guid><author>jaskson</author><pubDate>Wed, 10 Feb 2016 09:43:40 +0800</pubDate><description><![CDATA[argument可以是scalar type, 也可以是list等data structure,可以是function 
object都可以Positional arguments and keywords argumentIn [3]:def my_function(x,y,z = 1.5):
    if z>1:
        return z*(x+y)
    else:]]></description><category></category></item><item><title><![CDATA[[Python for Data Analysis]Python Basic2--Data Structure and Sequences]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50642901</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50642901</guid><author>jaskson</author><pubDate>Wed, 10 Feb 2016 06:27:31 +0800</pubDate><description><![CDATA[Tuple


初始化

In [2]:

tup
tup = 4,5,6
tup
Out[2]:
(4, 5, 6)
In [3]:

nested_tup
nested_tup = (4,5,6),(7,8)
nested_tup
Out[3]:
((4, 5, 6), (7, 8))
In [4]:

tuple([1,2,3])
Out[4]:
(1, 2, 3)
In [6]:

tup]]></description><category></category></item><item><title><![CDATA[[Python for data Analysis]Python Basic]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50640262</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50640262</guid><author>jaskson</author><pubDate>Sun, 07 Feb 2016 03:47:50 +0800</pubDate><description><![CDATA[一些基本特性:

缩进

everything is an object

Each object has an associated type (for example, string or function) and internal data.

import

import random 
from random import * 
from random import shuffle]]></description><category></category></item><item><title><![CDATA[C++ 程序设计 week5 魔兽世界二: 装备]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50633472</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50633472</guid><author>jaskson</author><pubDate>Thu, 04 Feb 2016 07:35:57 +0800</pubDate><description><![CDATA[编程题＃2： 魔兽世界之二：装备来源: POJ (Coursera声明：在POJ上完成的习题将不会计入Coursera的最后成绩。)注意： 总时间限制: 1000ms 内存限制: 65536kB描述魔兽世界的西面是红魔军的司令部，东面是蓝魔军的司令部。两个司令部之间是依次排列的若干城市。红司令部，City 1，City 2，……，City n，蓝司令部两军的司令部都会制造武士。武士一共有 drago]]></description><category></category></item><item><title><![CDATA[C++ 程序设计 week 5 继承和派生]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50610616</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50610616</guid><author>jaskson</author><pubDate>Sun, 31 Jan 2016 10:37:27 +0800</pubDate><description><![CDATA[继承和派生
定义:
继承：在定义一个新的类B时，如果该类与某个已有的类A相似(指的是B拥有A的全部特点)，那么就可以把A作为一个基类，而把B作为基类的一个派生类(也称子类)。



 派生类是通过对基类进行修改和扩充得到的。在派生类中，可以扩充新的成员变量和成员函数。
 派生类一经定义后，可以独立使用，不依赖于基类。



写法:
class 派生类名：public 基]]></description><category></category></item><item><title><![CDATA[[Python for Data Analysis] 环境及帮助查询]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50564960</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50564960</guid><author>jaskson</author><pubDate>Fri, 22 Jan 2016 23:42:00 +0800</pubDate><description><![CDATA[Appendix 语言基础
环境: 下载anaconda2 在ubuntu15.04系统下
1. 运行方式
(1) python hello.py
(2) ipython: run python


2. 获取帮助方式


(1) dir(obj) 一般用于获取obj member和method


(2) help(a)
a 的属性详细说明


(3) ipyt]]></description><category></category></item><item><title><![CDATA[c++ 程序设计 wee4 作业 大整数四则运算]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50536871</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50536871</guid><author>jaskson</author><pubDate>Mon, 18 Jan 2016 15:10:51 +0800</pubDate><description><![CDATA[这个没时间写了. 但是为了完整性, 先把转载别人的代码.
http://blog.youkuaiyun.com/zhangxiangdavaid/article/details/46438865
#include 
#include 
using namespace std;
//大整数的加减乘除
string add_int(string, string);
string sub_int(string,]]></description><category></category></item><item><title><![CDATA[c++ 程序设计 week4 运算符重载]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50530839</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50530839</guid><author>jaskson</author><pubDate>Sun, 17 Jan 2016 08:13:15 +0800</pubDate><description><![CDATA[运算符重载
首先回顾一下强制类型转换函数，
我们通常将类内的每一个元素按照规则进行初始化。]]></description><category></category></item><item><title><![CDATA[c++ 程序设计 week3 作业]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50526740</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50526740</guid><author>jaskson</author><pubDate>Sat, 16 Jan 2016 06:54:08 +0800</pubDate><description><![CDATA[类与对象
编程题＃4：魔兽世界之一：备战


注意： 总时间限制: 1000ms 内存限制: 65536kB

描述

魔兽世界的西面是红魔军的司令部，东面是蓝魔军的司令部。两个司令部之间是依次排列的若干城市。

红司令部，City 1，City 2，……，City n，蓝司令部

两军的司令部都会制造武士。武士一共有 dragon 、ninja、iceman、lion、w]]></description><category></category></item><item><title><![CDATA[c++ 程序设计 week3]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50517029</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50517029</guid><author>jaskson</author><pubDate>Thu, 14 Jan 2016 14:08:05 +0800</pubDate><description><![CDATA[1. inline function
两种形式:
(1) 类定义里面实现的函数即为inline function
(2) inline 定义, 实现时开头不用加inline
class A
{
public:
void f1();
inline void f2();
};
void A::f2(){}


2. Member Function Overloading
参]]></description><category></category></item><item><title><![CDATA[c++ 程序设计 week2 作业]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50516600</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50516600</guid><author>jaskson</author><pubDate>Thu, 14 Jan 2016 12:59:11 +0800</pubDate><description><![CDATA[描述

在一个学生信息处理程序中，要求实现一个代表学生的类，并且所有成员变量都应该是私有的。

（注：评测系统无法自动判断变量是否私有。我们会在结束之后统一对作业进行检查，请同学们严格按照题目要求完成，否则可能会影响作业成绩。）



输入

姓名，年龄，学号，第一学年平均成绩，第二学年平均成绩，第三学年平均成绩，第四学年平均成绩。

其中姓名、学号为字符串，不含空格和逗号]]></description><category></category></item><item><title><![CDATA[C++ 程序设计 week2]]></title><link>https://blog.youkuaiyun.com/jaskson/article/details/50509900</link><guid>https://blog.youkuaiyun.com/jaskson/article/details/50509900</guid><author>jaskson</author><pubDate>Wed, 13 Jan 2016 12:47:20 +0800</pubDate><description><![CDATA[1. 函数指针
int max(int, int);
int (*p)(int, int)
p = max;
cout 


2. 命令行参数
int main(int argc, char * argv[])
argv 指向字符串数组, 每一个元素是char* 类型类型的指针, 它们再指向具体的字符串.
argv (char ** )  -> char* ->]]></description><category></category></item></channel></rss>