引子Hello 大家好,在这里会带来一系列关于Python的原创内容由于我本职工作是Oracle DBA,Python的用途上会偏重与运维当然也会穿插这爬虫相关的内容更多最新...
引子Hello 大家好,在这里会带来一系列关于Python的原创内容由于我本职工作是Oracle DBA,Python的用途上会偏重与运维当然也会穿插这爬虫相关的内容更多最新...
连接mysql报错日志[root@bigdata ~]# sqoop list-databases --connect jdbc:mysql://bigdata:3306 --username root --password mysql;Warning: /software/sqo...
简单搞下rpm安装,抽时间搞下编译安装。mysql下载地址https://dev.mysql.com/downloads/file/?id=471231查看解压包[root@bigdata mysql5.5]# ls -lrttotal 29...
英文文档classmethod(function)Return a class method for function.A class method receives the class as implicit first argument, just like an instance...
英文文档chr(i)Return the string representing a characterwhose Unicode code point is the integer i. For example, chr(97) returns thestring ‘a’, whil...
英文文档callable(object)Return True if the object argument appearscallable, False if not. If this returns true, it is still possible that a callfai...
英文文档class bytes([source[, encoding[, errors]]])Return a new “bytes” object, which is animmutable sequence of integers in the range 0 ...
英文文档class bytearray([source[, encoding[, errors]]])Return a new array of bytes. The bytearray class is a mutable sequence of integers in t...
英文文档class bool(x)Return a Boolean value, i.e. one of True or False. x is converted using the standard truth testing procedure. If x is false or...
英文文档bin(x)Convert an integer number to a binary string. The result is a valid Python expression. If x is not a Python int object, it has to def...
英文文档ascii(object)As repr(), return a string containing a printable representation of an object, but escape the non-ASCII characters in the stri...
英文文档any(iterable)Return True if any element of the iterable is true. If the iterable is empty, return False Equivalent to:如果iterabl...
英文文档all(iterable) Return True if all elements of the iterable are true (or if the iterable is empty). Equivalent to:如果iterable的所有元素不为0...
前言最近在重新梳理Python,就想着整理下最新版的Python知识,就从Python的内置函数开始吧。abs()abs(x)返回数字的绝对值,参数可以是整数、浮点数或者复数。...