true
共 158 篇文章
true 相关的电子技术资料,包括技术文档、应用笔记、电路设计、代码示例等,共 158 篇文章,持续更新中。
Java script脚本常用代码(全)2007-07-11 13:48click() 对象.click() 使对象被点击 closed 对象.closed 对象窗口是否已关闭true/false
Java script脚本常用代码(全)2007-07-11 13:48click() 对象.click() 使对象被点击
closed 对象.closed 对象窗口是否已关闭true/false
clearTimeout(对象) 清除已设置的setTimeout对象
clearInterval(对象) 清除已设置的setInterval对象
confirm("提示信息") 弹出确
void DockWidget::dock() { if (!docked) { KWin::setSystemTrayWindowFor(this->winId(), 0)
void DockWidget::dock() {
if (!docked) {
KWin::setSystemTrayWindowFor(this->winId(), 0)
this->setFixedSize(24, 24)
this->show()
docked = true
}
}
class NumberListener implements ActionListener{ public void actionPerformed(ActionEvent e){ if (
class NumberListener implements ActionListener{
public void actionPerformed(ActionEvent e){
if (!append) {
tf.setText("")
append=true
}
String s=tf.getText()
s+=e.getActionCommand()
Performs Principal Component Analysis cross validation to determine the true rank of an X-block.
Performs Principal Component Analysis cross validation to determine the true rank of an X-block.
编写具有如下函数原型的递归与非递归两种函数equ
编写具有如下函数原型的递归与非递归两种函数equ,负责判断数组a与b的前n个元素值是否按下标对应完全相同,是则返回true,否则返回false。并编制主函数对它们进行调用,以验证其正确性。
bool equ(int a[], int b[], int n)
提示:递归函数中可按如下方式来分解并处理问题,先判断最后一个元素是否相同,不同则返false;相同则看n是否等于1,是则返回true,否
The Radio Interface Layer is the name for an interface that was developed especially for the Pocket
The Radio Interface Layer is the name for an interface that was developed especially for the Pocket PC Phone Edition. It is meant to abstract the interface with a phone/modem device. To achieve this i
禁止在TextBox中输入 作者:土人 方法一:(有光标闪烁
禁止在TextBox中输入
作者:土人
方法一:(有光标闪烁,输入、删除等操作无效)
Text1.Locked = True
方法二:(无光标闪烁,不能输入、删除,界面变色、文字反白)
Text1.Enabled = False
方法三:(有光标闪烁,可删除,不能输入)
此法用两个API函数,略为复杂些。请在标准工程添加两个按钮和一个文本框:
SNVision Library (.dll).是法国SpikeNet公司的核心视觉分析软件。 SNVision Library (.dll) is the true core of our tec
SNVision Library (.dll).是法国SpikeNet公司的核心视觉分析软件。
SNVision Library (.dll) is the true core of our technology. It is made of 50 fully documented functions for image processing and analysis. It is provid
//初始化 if(initscr() == NULL) { perror("initcurs") exit(EXIT_FAILURE) } cbreak()
//初始化
if(initscr() == NULL) {
perror("initcurs")
exit(EXIT_FAILURE)
}
cbreak()
noecho()
keypad(stdscr, TRUE)
//建立菜单项
for(i=0 i<N_ITEMS i++){
items[i] = new
EHLIB使用说明 TDBGridEh 允许在多列上创建标题
EHLIB使用说明
TDBGridEh 允许在多列上创建标题,设置 DBGridEh.UseMultiTitle 属性为 True 并且填充字段的标签或列标题的标题,可以使用下面的规则:字段标签中的文本部分或列标题必须由几部分组成,并且用 "|" 分割,几个列的每一个通用部分都设置为相同。其它字段或标题必须在相应的部分包含同样的文本。
I2C slave routines for the 87L
The 87LPC76X Microcontroller combines in a small package the<BR>benefits of a high-performance microcontroller with on-board<BR>hardware supporting the Inter-Integrated Circuit (I2C) bus interface.<BR
16 16点阵显示汉字原理及显示程序
<P>16 16点阵显示汉字原理及显示程序</P>
<P><IMG src="http://dl.eeworm.com/ele/img/2008102714254823276.jpg" border=0></P>
<P>#include "config.h" </P>
<P>#define &
状态机设计
<P>状态机设计:8.1.1 数据类型定义语句<BR>TYPE语句的用法如下:<BR>TYPE 数据类型名IS 数据类型定义OF 基本数据类型;<BR>或TYPE 数据类型名IS 数据类型定义;<BR>TYPE st1 IS ARRAY ( 0 TO 15 ) OF STD_LOGIC ;<BR>TYPE week IS (sun,mon,tue,wed,thu,fri,sat) ;</P>
<P
DAC技术用语 (D/A Converters Defini
Differential Nonlinearity: Ideally, any two adjacent digital<BR>codes correspond to output analog voltages that are exactly<BR>one LSB apart. Differential non-linearity is a measure of the<BR>worst ca
电能计量和安全性的智能电网
<div>
Abstract: It may sound trite, but it is definitely true: the smart grid has the potential to completely transform the energyindustry. However, smart meters and grid management alone will not en
模块电源功能性参数指标及测试方法
模块电源的电气性能是通过一系列测试来呈现的,下列为一般的功能性测试项目,详细说明如下: 电源调整率(Line Regulation) 负载调整率(Load Regulation) 综合调整率(Conmine Regulation) 输出涟波及杂讯(Ripple & Noise) 输入功率及效率(Input Power, Efficiency) 动态负载或暂态负载(Dynamic or
真有效值转换器的自动调节
<p>
</p>
<div>
The LTC®1966 is a true RMS-to-DC converter that uses aDS computational technique to make it dramatically simplerto use, significantly more accurate, lower in powerconsumptio
信号放大电路
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 18pt; mso-line-height-rule: exactly; tab-stops: 20.0pt"><FONT size=3>2-1 何谓测量放大电路?对其基本要求是什么? <p></p></FONT></P>
<P class=MsoNormal style="MA