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Closed 9 years ago.
How can I draw flow chart using LaTeX?
Tikz is a good graphics library to do this (directly in Latex), here is an example of a flowchart made with it.
I know it's not strictly using LaTeX, but the Graphviz suite of tools is pretty neat.
From the description:
The Graphviz layout programs take descriptions of graphs in a simple text language, and make diagrams in several useful formats such as images and SVG for web pages, Postscript for inclusion in PDF or other documents; or display in an interactive graph browser. (Graphviz also supports GXL, an XML dialect.)
Because the tools are command-line driven, there are ways to include Graphviz graphs in-line in LaTeX files, such as dot2texi.
On CTAN exists a package nassflow. The documentation contains an example on page 5.
The package is from 1997, but I was able to use it without problems with TeXLive 2012. It is not part of the TeXLive distribution (wrong license), so you must install it manual. For a quick test, just download everything in a directory and try it.
Related
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Closed 9 years ago.
I want do use some of my own converter from html table to xls table, but I don't know where to start. The google don't show me comprehensive results. I know about Apache tika and poi, but do they have something easy to build converter? I used to read POI docs but it's just says about converting from xls-to-html most of time. What you will suggest to read. Where to search? Thank you.
It's a two-step process. I'd advise you to keep them separate.
Scrape and parse HTML to get table data
Write table data into Excel.
If the HTML is XHTML your life gets better: All you need is an XML DOM parser and some code to find the node at the root of the tree with the data.
I prefer Andy Khan's JExcel to POI. I think it's far better for dealing with Excel.
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Closed 9 years ago.
I was reading on Facial Recogntion on OpenCV and it required me to use an CSV file for my project. I am using Ubuntu 12.04 and I think it is telling me to use Python to write the code. I have no idea of the code and what I want is to get my own image into the CSV file and let it work. How do I do that? I only have a C++ background and I don't know what to do. Can someone please teach me how to make one of those files? I have googled for a long time but no results.
http://docs.opencv.org/trunk/modules/contrib/doc/facerec/tutorial/facerec_video_recognition.html
The CSV file here is used to define the learning database for FaceRecognition, it's just a list of image files and a corresponding subject id :
/path/to/subject1image1.jpg;0
/path/to/subject1image2.jpg;0
/path/to/subject1image3.jpg;0
...
/path/to/subject2image1.jpg;1
/path/to/subject2image2.jpg;1
...
/path/to/subject3image1.jpg;2
...
You could do this by hand if you have the time or you could use their python script.
To use the script you just have to respect the file hierarchy /basepath/<subject>/<image.ext> then simply run the script with python and it will generates the corresponding CSV file.
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Closed 10 years ago.
I'm about to start development of an application with Ruby on Rails, which requires to print stuff, mostly tickets.
I'm guessing the printer I use won't have much impact.
So the question is, what are the different things I should take into consideration with the printing? I'm thinking a normal ruby program should have communication with a printer.
The most portable solution here is for your Rails application to emit a PDF and then hand that off to either the browser for rendering and printing, or to inject it into a local print spooler.
There are a number of ways to get PDF out of Ruby depending on your requirements. The easiest method is to render HTML and use a library to convert it to PDF like PDFKit. A method with more control is one where you draw out the document using a library like Prawn.
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Closed 10 years ago.
I have a requirement where, I need to give the user only one editable java class where he can make changes in the program such as changing username, changing phone number. The moment he saves the data, the built program should be able to reproduce the changes.
I am doing this project for BlackBerry.
I want to know, is there any way in which I can link a class with external project? I am developing the project using Eclipse. I don't know how the user will make changes and save. I know it's a little weird but generally speaking, I want to link two different applications using some middle interface. Any help is greatly appreciated
I believe this is a simple case of "You think you know what you want but you really don't" :)
Please explain what it is you want to achieve between your two apps and how they interact and we will provide you with a much better solution than asking a user to modify java files.
UPDATE AFTER OP COMMENT :
You need to look at XML or JSON. These are ways to format data so that it is easy to write/produce/transfert/parse.
Parsing XML on Blackberry
Parse XML file on BlackBerry
When you build a java project you get a jar file. If you include that jar file into the classpath, all of its contents will be available to your code (with necessary import statements).
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Closed 11 years ago.
Im going to make my own search engine.
When searching about search engine, crawler, and so on, I confused about Nutch.
I don’t understand what is Nutch. Is it for internal use like Lucene (correct me if Im wrong) or a framework for creating a search engine (example:google, bing, yahoo)?
Nutch is a full featured search engine - it can crawl external web sites, and it understands and respects robots.txt.
http://nutch.apache.org/about.html
Overview Nutch is open source
web-search software. It builds on
Lucene and Solr, adding web-specifics,
such as a crawler, a link-graph
database, parsers for HTML and other
document formats, etc.
Nutch can run on a single machine, but
gains a lot of its strength from
running in a Hadoop cluster
The system can be enhanced (eg other
document formats can be parsed) using
a plugin mechanism.
For more information about Nutch,
please see the Nutch wiki.
Nutch is a ready-made, configurable web crawler with a Java Servlet for performing searches. If you wanted to do this as a project, Nutch probably does too much since all that's left is creating the pages for entering searches and displaying results.