摘要: 1. 首先尝试从官网下载, pip install pillow, 结果网络不行,总是连不上或者下载中就失败, C:\Windows\system32>pip install pillowCollecting pillow Retrying (Retry(total=4, connect=None, 阅读全文
posted @ 2016-12-31 23:40 alxe_yu 阅读(2029) 评论(0) 推荐(0) 编辑
摘要: 1. 查看帮助,我们可以在python命令行交互环境下用 help函数,比如: 查看 math 模块: >>> help('math')Help on built-in module math: NAME math DESCRIPTION This module is always availabl 阅读全文
posted @ 2016-12-31 22:38 alxe_yu 阅读(1065) 评论(0) 推荐(1) 编辑
摘要: 1. 在python命令行交互环境下,可以用dir()函数查看当前的变量,比如: >>> dir()['__builtins__', '__doc__', '__loader__', '__name__', '__package__', '__spec__', 'name'] >>> help(di 阅读全文
posted @ 2016-12-31 22:16 alxe_yu 阅读(434) 评论(0) 推荐(0) 编辑
摘要: http://www.h3c.com.cn/Products___Technology/Technology/Security_Encrypt/Other_technology/Representative_collocate_enchiridion/201010/697325_30003_0.ht... 阅读全文
posted @ 2014-06-24 01:36 alxe_yu 阅读(1368) 评论(0) 推荐(0) 编辑
摘要: 1. issue: [2012-02-25 20:33:52 - test_1] Android requires compiler compliance level 5.0 or 6.0. Found '1.4' instead. Please use Android Tools > Fix Project Properties. solution" 有两种解决办法: 1. 项目 右键 ->android tools ->Fix Project 2. 如果不可以,检查Project -> Properties->Java Compile 阅读全文
posted @ 2012-02-25 20:47 alxe_yu 阅读(160) 评论(0) 推荐(0) 编辑
摘要: 1. declare type (*pointer)(arg...) 阅读全文
posted @ 2012-02-17 15:31 alxe_yu 阅读(129) 评论(0) 推荐(0) 编辑
摘要: 1. look the menu key, default is F8,2. open and login3. rightclick, then select fullscreen3. if the size is small, adjust the resolution via system->preferences->display4. press F8 to go back 阅读全文
posted @ 2012-02-16 14:57 alxe_yu 阅读(220) 评论(0) 推荐(0) 编辑
摘要: 1. struct defination struct _name { int a; char*b; ... } 一般之后还要typedef it to let its use be convenient, for example: typedef struct _name name; or directly write: typedef strunct _name { int a; char*b; ... }name;2. initialization name x={3,"char",...};3. initialize an array of struct: name 阅读全文
posted @ 2012-02-16 14:14 alxe_yu 阅读(514) 评论(0) 推荐(0) 编辑
摘要: TBD... 阅读全文
posted @ 2011-12-20 00:05 alxe_yu 阅读(155) 评论(0) 推荐(0) 编辑
摘要: 通常人们用IDE开发,很少关注编译细节,其实c#编译器有很多options, 了解它们,有时会帮你大忙。1, 了解这些options的最简单方法,当然是查看帮助: 进入csc.exe所在目录,通常在\WINDOWS\Microsoft.NET\Framework\[version] 下,比如 \WINDOWS\Microsoft.NET\Framework\v3.5 然后,通过 key in cs... 阅读全文
posted @ 2010-05-09 13:45 alxe_yu 阅读(783) 评论(1) 推荐(0) 编辑