Something about parallel interfaces.
This is about paralllel port (db25) comnector.
Introduction
Hi there, I was searching the web for a way to allow me to control electrical appliances using PC and I found it here. here is a circuit (figure 1) for using the printer port of a PC, for control application using software and some interface hardware. the interface circuit along with the given software can be used with the printer port of any PC for contr
RS-232C interface definition (DB9) PIN definition symbols 1 Carrier Detection DCD (data carrier detect) 2 receive data rxd (received data) 3 send data txd (transmit data) 4 data terminal prepare DTR (Data Terminal ready) 5 signal SG (signal ground) 6 data prepare DSR (data set ready) 7 request to send RTS (request to send) 8. Clear send CTS (clear to send) 9. The ring indicator prompt is Ri (ring indicator)1. description of common signal ports of DB9 and db2
Do you believe that one plug-in platform and one plug-in can be implemented in three minutes? Here I will demonstrate the simplest plug-in framework in history. This demo uses the console as an example to implement a console-based plug-in framework and a console plug-in. Of
Use the livehttpheaders plug-in to obtain the referrer parameter value
Install a Firefox package plugin livehttpheaders (http://livehttpheaders.mozdev.org/installation.html
Livehttpheaders can capture HTTP and HTTPS data links, including get and post, a good plug-in. After installing the plug-in, restart Firefox, open the download page, run livehttpheaders to cap
1. Install Apache Batik CSSGeneral Installation Vjet Plugin will appearCannot complete the install because one or more required items could not be found. Software being Installed:vjet Java Based Dom Kit (incubation) 0.10.0.201303191704 ( Org.eclipse.vjet.vsf.domkit.feature.group 0.10.0.201303191704) Missing requirement:apache Batik CSS 1.7.0. v201011041433 (org.apache.batik.css 1.7.0.v201011041433) requires ' package org.w3c.dom.events [3.0.0,4.0.0] ' but it Could not being foundName:apach
Make vim a python development environment. The article uses pathogen + git to manage the Vim plug-in. Students who are not quite clear about this way can refer to the introduction of "3". Pathogen changed the original vim can only throw the plugin all to the. Vim directory operation mode, so that each plug-in can be a separate folder in the. Vim/bundle directory, add and remove
Original Address: http://www.cnblogs.com/liuzhuo/archive/2010/08/13/eclipse_plugin_1_0_2.html noun translation There are some nouns in the process of translation may appear ambiguous, in here unified. アーキテクチャ=architecture= Architecture プラットフォーム=platform= Platform コンポーネント=component= components The rest is always replenished. Architecture of the 1.Eclipse Eclipse is widely used as a Java IDE (integrated development environment), but in essence Eclipse is a platform that integrates a variety of de
Many programs now support plug-in Plug-ins, Plug-ins can make the program easy to expand. Plug-ins are generally required to have a standard interface. We are here to make the simplest plug-ins. The structure of the plug-in is def
But it must be known that these plug-ins are not produced by themselves, they are made by
DevelopmentPeople write, test, and refine these people for jQueryCommunityDevote one's spare time. We do this for free, out of love for our own code. This article focuses on how you can repay this great community, how to write your own plug-ins and upload them to JQuery's plugin page. This allows everyone to use the
Reprint Source Http://www.cnblogs.com/liuzhuonoun translationThere are some nouns in the process of translation may appear ambiguous, in here unified.アーキテクチャ=architecture= Architectureプラットフォーム=platform= Platformコンポーネント=component= componentsThe rest is always replenished.Architecture of the 1.EclipseEclipse is widely used as a Java IDE (integrated development environment), but in essence Eclipse is a platform that integrates a variety of development tools. Therefore, it adopts the
This series of blog posts will use the Microsoft Ria technical solution Silverlight and the scalability management framework managed extensibility framework (MEF), with the plug-in architecture design as the wire, I share my skills and experience in implementing plug-in system architecture design in the RIA system built based on Microsoft Silverlight technology. In view of my limited ability, if you have an
Share my thoughts on JS plug-in development and my thoughts on js plug-ins
Read the following contents:
• Cause• How to Develop a lightweight plug-in with strong Applicability• Conclusion
Cause
If you have done some front-end development work at ordinary times, you will have the following experience: When the page needs some effect or
The original company used the report page plug-in is a C # written server plug-in, need to interact with the front and back, and does not support Ajax.After a period of tossing, I wrote a lightweight jquery paging plugin that supported Ajax. Here is the plugin code/*plug-in Name: report Paging Keven Call Method: 1. Add */; (function ($) { varPageNumber = 1; va
Discuss the design of plug-in GIS framework and plug-in gis framework
Three years ago, I bought a GIS plug-in framework book from Jiang potao, as recommended by my senior brother. At that time, while reading a book, I made a complete implementation of the examples, which benefited a lot. Later, a plug-in C/S system was
Original article: Using plugins and mixins in your sencha apps
Overview
When extending the functions of a framework class, new functions are usually directly written to the derived class. However, if the same function is required to exist in multiple components, the most effective way is to define it as a plug-in or plug-in. Plug-ins and INS are classes used to a
Quick understanding of jQuery plug-in development and jQuery plug-in development
In actual development work, there will always be business requirements for displaying effects such as scrolling, paging, and calendar. For those who have been familiar with jQuery and those who are familiar with jQuery, the first thing to think of is to find the existing jQuery plug-
Original: Paul dilasciaTranslation: northtibetDownload source code: catwork0510.exe (273kb)Source: writing, loading, and accessing plug-insIn the msdn magazine article published in January 2005, you wrote a subprogram code in a hybrid mode. Is it possible to dynamically load. Net classes or DLL classes and call those functions? Suppose I have a local C ++ application, and I want to allow users to write plug
Share the learning notes of the jQuery plug-in and the learning notes of the jquery plug-in
Plugin has also become the Extension of jQuery. It is a program written by following certain specifications of application interfaces. Currently, there are more than thousands of jQuery plug-ins, which are compiled, verified, and improved by developers from all over the wo
Install the plug-in and hide the plug-in functions in WordPress ,. The following describes how to install plug-ins and hide the functions of the plug-ins in WordPress, and reminds you that many plug-ins required for the current topic require support from some
dialog box plugin, we all know that there are some differences in the display of styles in different browsers, but basically the layout structure is the same. The effect our plug-ins want is to have the same style and layout in any browser, in the middle of the browser (so the user can see it the first time).
A pop-up form is similar to a dialog box on implementation (I mean the plugin we're developing, not the default implementation of the browser).
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