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Java编程 是一本介绍java基础应用的好书 Java For Artists targets both the undergraduate computer science or information te
是一本介绍java基础应用的好书
Java For Artists targets both the undergraduate computer science or information technology student and the practicing programmer. It is both an introductory-level textbook and trade book.
As a textbook it employs learning objectives, skill-building exercises, suggested ...
数据库系统 1.把"Web"文件夹内的文件拷贝到某个文件夹 2.在IIS中新建站点
1.把"Web"文件夹内的文件拷贝到某个文件夹
2.在IIS中新建站点,指向该文件夹,如果新建虚拟路径,会导致一些图片的不正常显示.
3."Database"文件夹内有数据库文件hyb2bTest_Data.MDF,在Sql Server企业管理器中选择"附加数据库"
4.需要修改根目录web.config文件
<add key="DBServer" value="."/>,改成当前数据库地址
<add key ...
通讯/手机编程 引入PEG(Progressive-edge-growth)算法来构造适合线性时间编码的LDPC校验矩阵
引入PEG(Progressive-edge-growth)算法来构造适合线性时间编码的LDPC校验矩阵,译码时采用简化最小和Min-Sum译码算法实现简化译码.仿真结果表明,该方法能够构造适合LDPC码的线性时间编码的下三角校验矩阵日,并且用此方法构造的LDPC码性能非常接近原来PEG算法构造的LDPC码.同时通过采用最小和Min-Sum算法降低译码复杂 ...
其他 We propose a technique that allows a person to design a new photograph with substantially less effo
We propose a technique that allows a person to design a new photograph
with substantially less effort. This paper presents a method that generates a composite image when a user types
in nouns, such as “boat” and “sand.” The artist can optionally design an intended image by specifying other
const ...
VC书籍 Imperfect C++ Practical Solutions for Real-Life Programming C++, although a marvelous language, isn
Imperfect C++ Practical Solutions for Real-Life Programming
C++, although a marvelous language, isn t perfect. Matthew Wilson has been working with it for over a decade, and during that time he has found inherent limitations that require skillful workarounds. In this book, he doesn t just tell you w ...
其他 Lotus Notes开发用的在线DHTML编辑器,基于Active X control 1. This rich text editor is based on the editor used
Lotus Notes开发用的在线DHTML编辑器,基于Active X control
1. This rich text editor is based on the editor used in an older sandbox posting I found. The majority of this code was NOT written by me. Credit goes to someone at Lotus (I think) for the original code. I only extended the base
code to add m ...
人工智能/神经网络 function [U,center,result,w,obj_fcn]= fenlei(data) [data_n,in_n] = size(data) m= 2 % Exponent fo
function [U,center,result,w,obj_fcn]= fenlei(data)
[data_n,in_n] = size(data)
m= 2 % Exponent for U
max_iter = 100 % Max. iteration
min_impro =1e-5 % Min. improvement
c=3
[center, U, obj_fcn] = fcm(data, c)
for i=1:max_iter
if F(U)>0.98
break
else
w_new=eye(in_n,in_n)
center1=sum(cent ...
单片机开发 电子闹钟 clk: 标准时钟信号
电子闹钟
clk: 标准时钟信号,本例中,其频率为4Hz;
clk_1k: 产生闹铃音、报时音的时钟信号,本例中其频率为1024Hz;
mode: 功能控制信号; 为0:计时功能;
为1:闹钟功能;
为2:手动校时功能;
turn: 接按键,在手动校时功能时,选择是调整小时,还是分钟;
若长时间按住该键,还可使秒信号清零,用于精确调时;
c ...
SQL Server SQL 合计函数 使用 SQL 合计函数 你可以确定数据组的各种统计。你可以把这些函数用于查询和合计表达式
SQL 合计函数
使用 SQL 合计函数 你可以确定数据组的各种统计。你可以把这些函数用于查询和合计表达式,条件是在具备 SQL特性的 QueryDef对象中或在创建基于SQL查询的 Recordset对象时。
Avg 函数
Count 函数
First, Last 函数
Min, Max 函数
StDev, StDevP 函数
Sum 函数
Var 和 VarP 函数 ...
嵌入式/单片机编程 设计一个具有特定功能的数字电子钟。准确计时
设计一个具有特定功能的数字电子钟。准确计时,以数字形式显示h、min、s 的时间。小时的计时要求为二十四进位,分和秒的计时要求为六十进位。
该电子钟上电或按键复位后能自动显示系统提示00-00-00,进入时钟准备状态;第一次按电子钟功能键,电子钟从0时0分0秒开始运行,进入时钟运行状态;再次按电子钟功能键,则电子钟进 ...