best roomba hacks

What's this?"Roomblock" is a robot platform consists of a Roomba, a Raspberry Pi 2, a laser sensor (RPLIDAR) and a mobile battery.The mounting frame can be made by 3D printers. ROS navigation system enable to make a maps of rooms and use it to reach to the goal autonomously.Who need this?Anyone want to learn the cutting-edge technologies of robotic navigation, mapping, and autonomous driving. This robot can is built easily and lower cost than other co

Turtlebot has an application panorama to realize iPhone360 panorama photography function. The official use of the Create base and Kinnect, when using the Roomba base and the Xtion Pro live package, found that the tutorial does not start.1. StartRoslaunch turtlebot_bringup minimal.launch \ Load wheel drive Open another Shell windowRosservice Call Turtlebot_panorama/take_pano 0 360.0 30.0 0.3 ordered a camera spinThis time found that

Browser compatibility can be said to be the front-end development of the first challenge to face, currently my computer has installed 6 kinds of browsers (based on IE kernel does not count, such as Maxthon, etc.).CSS hacks uses browser vulnerabilities to hide CSS rules for specific browsers. There are two main ways to implement browser compatibility style sheets and CSS Hacks (Selector

In defense of CSS hacks-introducing "safe css Hacks"Published 19th 2011 · Tagged with CSS, HTMLHow does the target Internet Explorer in your CSS? Do I use CSS hacks, conditional stylesheets or something else?It ' s the perfect trollbait. There has been plenty of discussions about this, and I don ' t mean to start a new one. Everyone's entitled to their own opini

CSS Hacks in the browser and CSSHacks in the browser LZ note: the original author of this article is Paul Irish (Google's front-end development engineer). This article is part of the original article. I no longer use CSS Hacks. On the contrary, I will use the IE condition judgment to apply the class to the body tag. However, I want to record the specific CSS selectors and style attributes of each browser

Tags: login exp Spell CDP directory entry clear $$ Spel authorThis series comes from "Linux 101 hacks", the author also wrote other 101 hacks tutorials, read a few chapters, think skills are also good, very practical, do a summary collection.CdpathSet the base directorypwd/home/ramesh[[email protected]-db ~]# CD mailfile or directory[Note: The above attempts to enter the current directory under the Mail su

CSS Hacks in the browser and CSSHacks in the browser LZ note: the original author of this article is Paul Irish (Google's front-end development engineer). This article is part of the original article. 1: 2: /***** Selector Hacks ******/ 3: 4: /* IE6 and below */ 5: * html #uno { color: red } 6: 7: /* IE7 */ 8: *:first-child+html #dos { color: red } 9: 10: /*

Ajax| Browser AJAX Hacks HACK1. To detect browser compatibility This section describes how to use JavaScript to establish a corresponding request object for IE or Mozilla browsers. The browsers used by the client are various. Therefore, there are also different request objects. As in Firefox, Netscape, Safari,opera is XMLHttpRequest. IE is microsoft.xmlhttp or msxml2.xmlhttp.The first step in using AJAX is to detect the type of client browser and get

ajax|xml| data AJAX hacks hack 4. Receive data in XML format Many of the current data interchange technologies use XML-formatted data because XML-formatted data is widely used and supported. Therefore, different users can have the technology to generate, send, receive XML data without the need to use other tools to transform the format of the data.A typical example is a GPS device that can share the data it needs anywhere. Whether on a long journey or

Ajax|object|request| Error Ajax hacks-hack8 processing request Object Errors Allow Ajax to detect server errors and provide useful information to users.The beauty of Ajax technology is that it allows JavaScript to connect to the server without user intervention. JavaScript developers, however, often have no control over the server component (possibly a Web service or other software). Even though your application includes your own server components, yo

D3d9 GPU HacksI ' ve been trying to catch up what hacks GPU vendors has exposed in Direct3D9, and turns out there's a lot of them!If you know more hacks or more details, please let me know in the comments!Most hacks is exposed as custom ("FOURCC") formats. So-check for the CheckDeviceFormat . Here's the list (Usage column codes:ds=depthstencil, Rt=rendertarget; R

[Vs hacks] custom # Hack 24 custom shortcuts VS has many keyboard configurations. In fact, many shortcut keys have been found in vs. However, in this article, we will learn how to create new shortcuts, and Edit Existing shortcuts. Vs contains many commands, only a small part of which defines the shortcut key. You can add or remove the shortcut key definition in the "options" window. (1) Add custom shortcuts Here, you will add a shortcut key for the "g

Http://www.sitepoint.com/blogs/2009/03/05/5-reasons-to-avoid-css-hacks-and-conditional-stylesheets/ SS is more of an art than a science. you can know about every combination of selector and be an expert in every styling property, yet still be unable to lay out and style your website as you want. There are several reasons why developers from traditional programming backgrounds dislike CSS: Learning the rules is only half the game-you need experience

1. Selector hacks/*IE6 and below */*html #uno {...}/*ie7*/*:first-child+html #dos {...}/*ie7,ff,saf,opera*/html>body #tres {...}2. Attribute Hacks/*ie6*/#once {_color:blue;}/*ie6,ie7*/#once {*color:blue;}Outside/*IE6 * * #once {color:blue;}/*ie6,ie7,ie8*/#once {color:blue\9;}/*ie7,ie8*/#once {color/*\**/:blue\9;}/* Only ie8*/#once {color:blue\0;}3, attribute hacks