计算机技术 - 博客园

2010年11月

摘要：前几天为公司同事做了一次 Python 语言的速成培训，幻灯在这里：Python速成指南View morepresentationsfromMarch Liu.这次的幻灯中，我对平时使用的 latex 代码做了一些调整，新的引言区如下：/documentclass[utf8x, notes=hide]{beamer}%/usepackage[bars]{beamerthemetree} % Beamer Theme v 2.2/usetheme{boxes} % Beamer theme/usecolortheme{seahorse} % Beamer color theme/usepacka 阅读全文

posted @ 2010-11-18 00:08 计算机技术阅读(439) 评论(0) 推荐(0)

2010年10月

How to Read Mathematics 如何阅读数学[节选]——数学阅读时应该自省的几个问题

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

posted @ 2010-10-26 21:26 计算机技术阅读(180) 评论(0) 推荐(0)

Struts2上传图片到Mysql数据库中,以及显示到页面

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

posted @ 2010-10-14 16:30 计算机技术阅读(2802) 评论(0) 推荐(2)

Python 2.7 Tutorial —— 浮点数

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

posted @ 2010-10-06 00:04 计算机技术阅读(1498) 评论(0) 推荐(0)

Python 2.7 Tutorial —— 解释器

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

posted @ 2010-10-06 00:03 计算机技术阅读(392) 评论(0) 推荐(0)

Python 2.7 Tutorial —— 标准库II

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

posted @ 2010-10-06 00:01 计算机技术阅读(215) 评论(0) 推荐(0)

Python 2.7 Tutorial —— 接下来？

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

posted @ 2010-10-06 00:01 计算机技术阅读(212) 评论(0) 推荐(0)

Python 2.7 Tutorial —— 标准库

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

posted @ 2010-10-05 23:59 计算机技术阅读(836) 评论(0) 推荐(0)

Python 2.7 Tutorial —— 类

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

posted @ 2010-10-05 23:58 计算机技术阅读(409) 评论(0) 推荐(0)

Python 2.7 Tutorial —— 错误和异常

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

posted @ 2010-10-05 23:56 计算机技术阅读(1118) 评论(0) 推荐(0)

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