python3.3.2中的关键字如下： The following identifiers are used as reserved words, or keywords of the language, and cannot be used as ordinary identifiers. They must be spelled exactly as written here: False class finally is ...

mysql启动 提示 [root@localhost var]# Starting mysqld daemon with databases from /var/lib/mysql STOPPING server from pid file /var/run/mysqld/mysqld.pid 120516 15:23:19 mysqld ended /var/log/mysqld.log信息为 /usr/local/mysql//libexec/mysqld: C...

@1-> 命令行下运行 wget https://bootstrap.pypa.io/get-pip.py ，没有wget的请先去安装wget @2-> ~ python get-pip.py @3-> ~ pip -V ，出现下图，证明安装成功！ 碰到问题 zipimport.ZipImportError: can’t decompress data; zlib not avail...

一 首先进入网址：https://packaging.python.org/tutorials/installing-packages/#installing-from-pypi @1–选择 get-pip @2–选择get-pip，右键另存为 @3–把下载好的 get-pip.py 文件放在C盘， 运行命令python c:/get-pip.py ,等一会就安装...

       乌尤尼盐沼在玻利维亚波托西省西部高原内，海拔3,656米（11,995英尺），长150公里，宽130公里，面积9,065平方公里，为世界最大的盐层覆盖的荒原，边缘有盐场。主要盐场间有公路相通。 雨量稀少，气候干燥，...

首字母大写(map函数) #!/usr/bin/env python # -*- coding: utf-8 -*- def change(str): return {'a':'A','b':'B','c':'C','d':'D','e':'E','f':'F','g':'G','h':'H','i':'I','j':'J','k':'K','l':'L','m':'M','n':'N','o':'O','p':'P','r':'R','s':'S','t':'T',...

import types aaa = 0 print type(aaa) if type(aaa) is types.IntType: print "the type of aaa is int" if isinstance(aaa,int): print "the type of aaa is int" bbb = 'hello' print type(bbb) if type(bbb) is types.StringType: ...

#!/usr/bin/env python # -*- coding: utf-8 -*- def str2int(s): def fn(x,y): return x * 10 + y def char2num(s): return {'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9}[s] return reduce(fn,...

修改/etc/ssh/sshd_config文件，找到 ClientAliveInterval 0和ClientAliveCountMax 3并将注释符号（"#"）去掉, 将ClientAliveInterval对应的0改成20, ClientAliveInterval指定了服务器端向客户端请求消息 的时间间隔, 默认是0, 不发送. ClientAliveInterval 60表示每...

#!/usr/bin/env python # -*- coding: utf-8 -*- def p(**arr): for (a,b) in arr.items(): print a,b kw = {'city': 'Beijing', 'job': 'Engineer'} p(**kw) 结果如下