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Ipython

可以使用Ipython来写,可以导出成markdown格式。

一个小错误

零基础学python 在第一部分,21.字典的操作方法 中:new_site = website.copy() 应该为深拷贝而不是浅拷贝

关于理解变量

前辈写的实在太棒了!通俗易懂,作为晚辈实在佩服!关于变量的类比,我在初学C语言的时候,看了一本书,叫做《啊哈C》,上面把计算机内存比作一栋大厦,每一块内存相当于一个房间,内存地址相当于门牌号,而变量就相当于给这个房间(也就是这块内存)取了个名字。窃以为这个比喻很形象,对当时的我理解“变量”帮助很大。
以上就是晚辈的拙见,如有不对的地方请见谅。

gcc到4.8.1 Connection timed out Giving up.

--2016-03-24 01:50:10-- ftp://gcc.gnu.org/pub/gcc/infrastructure/mpfr-2.4.2.tar.bz2
(try:20) => ?.pfr-2.4.2.tar.bz2?
Connecting to gcc.gnu.org|209.132.180.131|:21... connected.
Logging in as anonymous ... Logged in!
==> SYST ... done. ==> PWD ... done.
==> TYPE I ... done. ==> CWD (1) /pub/gcc/infrastructure ... done.
==> SIZE mpfr-2.4.2.tar.bz2 ... 1077886
==> PASV ... couldn?. connect to 209.132.180.131 port 10238: Connection timed out
Giving up.

网络问题?

程序错误(205.md)

number = random.randint(1,100),此处应该为number = random.randint(1,101),否则输入100时,会提示The number should be in 1 to 100.

BasicPython的错别字/勘误就在这里提出吧

老齐写的不错,学了两年 Python 了,但是只是学,没用过。今天过来看到老齐写的东西,顺便复习一下。

美中不足的地方就是有些错别字,当然希望老齐的教程能够尽善尽美。

BasicPython > 105.md 中:

“列为“全部应该改为”列位“
倒数第三行“否则汉字如法输入”应该改为“无法”
苹果系统是 Mac OS,写成了"ms xos"

另外不知道支不支持行间代码,如果可以的话,行间代码也高亮,个人认为会更好一点。XD

class Person()和class Person的区别

类在需要继承的时候需要加括号,可是在不需要继承的时候,我看到有些地方也加括号,形如

class Person():

所以想问下class Person和class Person()之间有没有区别

关于orm

不用orm带来的最大痛处不太于写raw sql多难,而是需要自己实现session,还有数据封装之类的。
相反,我觉得用raw sql比orm爽太多了,各种prefix,各种语法都可以上。结果写多了,最后发现自己的项目一大堆raw sql,连接池之类还要自己一步一步写,写到头来,还是个低配版的sqlalchemy。
您觉得呢?

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