10 2010 档案

摘要：Why is this idea true?为什么这个想法是对的？Do I really believe it?我是否确信它？Could I convince someone else that it is true?我能说服别人也信服它吗？Why didn't the author use a different argument?为什么作者没有用一个不同的论据？Do I have a better argument or method of explaining the idea?我有没有一个更好的论据或方法来说明这个思想？Why didn't the author exp 阅读全文

摘要：数据库的创建：数据库名叫：csdn表名：savepictureDROP TABLE IF EXISTS `savepicture`;CREATE TABLE `savepicture` ( `id` int(10) NOT NULL auto_increment, `picture` blob NOT NULL, PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8;好动手创建工程啦：其实非常简单，一看就明白。把需要的包该导的都导了就行了。接着我们创建上传页面：<%@ page language="java" p 阅读全文

摘要：.. _tut-fp-issues:****************************************************************************************Floating Point Arithmetic: Issues and Limitations 浮点数算法：争议和限制****************************************************************************************.. sectionauthor:: Tim Peters <tim_one@use 阅读全文

摘要：.. _tut-interacting:***************************************************Interactive Input Editing and History Substitution***************************************************Some versions of the Python interpreter support editing of the current inputline and history substitution, similar to facilities 阅读全文

摘要：.. _tut-brieftourtwo:**********************************************************************Brief Tour of the Standard Library -- Part II 标准库概览 II**********************************************************************This second tour covers more advanced modules that support professionalprogramming ne 阅读全文

摘要：.. _tut-whatnow:********************What Now? 接下来？********************Reading this tutorial has probably reinforced your interest in using Python ---you should be eager to apply Python to solving your real-world problems. Whereshould you go to learn more?读过这本指南应该会让你有兴趣使用 Python —— 可能你已经期待着用 Python解决 阅读全文

摘要：.. _tut-brieftour:************************************************Brief Tour of the Standard Library 标准库概览************************************************.. _tut-os-interface:Operating System Interface 操作系统接口======================================================The :mod:`os` module provides dozens o 阅读全文

摘要：.. _tut-classes:******************Classes 类******************Python's class mechanism adds classes to the language with a minimum of newsyntax and semantics. It is a mixture of the class mechanisms found in C++ andModula-3. As is true for modules, classes in Python do not put an absolutebarrier 阅读全文

摘要：.. _tut-errors:==================================Errors and Exceptions 错误和异常==================================Until now error messages haven't been more than mentioned, but if you have triedout the examples you have probably seen some. There are (at least) twodistinguishable kinds of errors: *sy 阅读全文

摘要：.. _tut-io:*************************************Input and Output 输入和输出*************************************There are several ways to present the output of a program; data can be printedin a human-readable form, or written to a file for future use. This chapter willdiscuss some of the possibilities.有 阅读全文

摘要：.. _tut-modules:************************Modules 模块************************If you quit from the Python interpreter and enter it again, the definitions youhave made (functions and variables) are lost. Therefore, if you want to write asomewhat longer program, you are better off using a text editor to p 阅读全文

摘要：.. _tut-structures:********************************Data Structures 数据结构********************************This chapter describes some things you've learned about already in more detail,and adds some new things as well.本章会深入讨论你一些之前已经学过的，而有些是新内容。.. _tut-morelists:More on Lists 深入列表=================== 阅读全文

摘要：.. _tut-morecontrol:******************************************More Control Flow Tools 深入流程控制******************************************Besides the :keyword:`while` statement just introduced, Python knows the usualcontrol flow statements known from other languages, with some twists.除了前面介绍的 :keyword:`w 阅读全文