Search Results

Search found 794 results on 32 pages for 'graphs'.

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

Page 15/32 | < Previous Page | 11 12 13 14 15 16 17 18 19 20 21 22  | Next Page >

  • what is the purpose of arrows?

    - by Simon
    I am learning functionnal programming with Haskell, and I try to grab concepts by first understanding why do I need them. I would like to know the goal of arrows in functional programming languages. What problem do they solve? I checked http://en.wikibooks.org/wiki/Haskell/Understanding_arrows and http://www.cse.chalmers.se/~rjmh/afp-arrows.pdf. All I understand is that they are used to describe graphs for computations, and that they allow easier point free style coding. The article assume that point free style is generally easier to understand and to write. This seems quite subjective to me. In another article (http://en.wikibooks.org/wiki/Haskell/StephensArrowTutorial#Hangman:_Main_program), a hangman game is implemented, but I cannot see how arrows makes this implementation natural. I could find a lot of papers describing the concept, but nothing about the motivation. What I am missing?

    Read the article

  • Where should a programmer explain the extended logic behind the code?

    - by SRKX
    I have developed a few quantitative libraries in C# where it is important to understand not only the classic information that goes with the XMLDoc comments (which contains basic information with the method signature) but also the mathematical formulas being use within the methods. Hence I would like to be able to include extended documentation with the code, which could contain, for example Latex formulas, graphs, and so on. Do you think such information should be included in the API documentation? Or should it be included in a dev blog for examples? Are there common tools that are usually used for this kind of purposes?

    Read the article

  • Google analytics - vistor path to specific site destination setup and monitoring?

    - by Joshc
    I have a website which I am using google analytics to track visitors and track our banner campaigns. We're are promoting 'Purchase Ticket' buttons on our website which push visitors to a third party website who sell and distribute our tickets. The url on all the 'Purchase Ticket' buttons are the same through out the site... Example: http://ticketmaestro.com/events/my-event-2012 In the analytic control panel, is it possible so set something up, where I create a path-to-destination using the above example url? ...and then after this is setup: I want to be able to monitor the path visitors are taking from when they reach the site - to when they click the 'Purchase Ticket' button. Graphs will show... Start Destination Path to Final Destination Final Destination: http://ticketmaestro.com/events/my-event-2012 Any help, suggestions, terminology would be great thanks. Josh

    Read the article

  • Set different line format for a graph with more than one serie with pChart

    - by woodgate
    I am actually using the pChart PHP library for generate graphs. I wanna know if it's possible to give a different line format for a graph with multiple series. I need a line with for example 3px of width but other line with 1px of width. Is that possible? In the official documentation only appears a function that give format to the lines of all series: http://pchart.sourceforge.net/documentation.php?topic=pChart#setLineStyle Thanks a lot.

    Read the article

  • Labeling Y axis with PChart

    - by Sortea2
    I am using PChart for PHP to draw graphs, it is working pretty well. I have drawn a graph with intensities (2 = strong, 1 = medium, 0 = low) and I would like to know if is possible to show on the Y axis the description of the data (strong,medium,low) instead of the inappropriate numbers (2,1,0). (I have search a lot without success, theoretically you can only set the X labels according to http://pchart.sourceforge.net/documentation.php?topic=faq.xlabels.) Thanks!

    Read the article

  • Javascript InfoVis Toolkit: How to specify source/sink for arcs?

    - by Rosarch
    I'm using JIT to render graphs. I'm using the RGraph feature. This JSON defines a graph: var json = [ { 'id': '1', 'name': 'CS 2110', 'adjacencies': ['0', '2'] }, { 'id': '1.5', 'name': 'INFO 2300', 'adjacencies': ['1'] }, { 'id': '0', 'name': 'CS 1110', 'adjacencies': ['1'] }, { 'id': '2', 'name': 'INFO 3300', 'adjacencies': ['1'] }, ] If I want a directed graph, how can I specify which nodes are sources and which are sinks?

    Read the article

  • JIT: How to specify source/sink for arcs?

    - by Rosarch
    I'm using JIT to render graphs. I'm using the RGraph feature. This JSON defines a graph: var json = [ { 'id': '1', 'name': 'CS 2110', 'adjacencies': ['0', '2'] }, { 'id': '1.5', 'name': 'INFO 2300', 'adjacencies': ['1'] }, { 'id': '0', 'name': 'CS 1110', 'adjacencies': ['1'] }, { 'id': '2', 'name': 'INFO 3300', 'adjacencies': ['1'] }, ] If I want a directed graph, how can I specify which nodes are sources and which are sinks?

    Read the article

  • Jquery flot and week numbers

    - by mark
    I've plotted some nice graphs with jquery flot. On the x-as the weeknumber is displayed. I would like to display the weeknumbers of the winter season (oct-apr) but that is not possible 'cos flot likes a straight set (0,1,2,3,4 etc) and not (49, 50, 51, 52, 1, 2 etc). Does anyone know how to fix it? http://sionvalais.com/snowcondition/andermatt/36

    Read the article

  • [python]: path between two nodes

    - by www.yegorov-p.ru
    I'm using networkx to work with graphs. I have pretty large graph (it's near 200 nodes in it) and I try to find all possible paths between two nodes. But, as I understand, networkx can find only shortest path. How can I get not just shortest path, but all possible paths?

    Read the article

  • What is missing from the Java API?

    - by Jack
    I started using Java years ago and I've always found almost everything I need inside the standard API provided with JDK SE, with the exception of specific things that don't fit well inside a generic API, like GUI elements (graphs or so on) or advanced mathematical API.. So I was wondering: Which are the most important things that the Java API is missing? When I say "important", I mean either things that you have often needed, but have had to rely on custom libraries, or things that are usually are included in APIs, but not in Java's.

    Read the article

  • Data Processing in Business Intelligence Applications

    - by Manoj
    Is data processing a part of business intelligence tools? If no how else is it done or if yes can you give a few examples. My use case: I am using pentaho reporting to generate tables and graphs of my test data. Now I want to compare the data against the spec and see if it passes or fails and report the same. The spec is also in the database. How best to do it?

    Read the article

  • svg diagrams using python

    - by Zitrax
    I am looking for a library to generate svg diagrams in python (I fetch data from a sql database). I have found python-gd, but it has not much documentation and last update was in 2005 so I wonder if there are any other libraries that are good for this purpose. I am mostly thinking about simple line graphs, something like this:

    Read the article

  • Good Java graph algorithm library?

    - by Nick Fortescue
    Has anyone had good experiences with any Java libraries for Graph algorithms. I've tried JGraph and found it ok, and there are a lot of different ones in google. Are there any that people are actually using successfully in production code or would recommend? To clarify, I'm not looking for a library that produces graphs/charts, I'm looking for one that helps with Graph algorithms, eg minimum spanning tree, Kruskal's algorithm Nodes, Edges, etc. Ideally one with some good algorithms/data structures in a nice Java OO API.

    Read the article

  • PyLab - changing text color and background fill color of text box

    - by Mark
    Hey all, I'm using PyLab to make some graphs in Python. I want to make a text box that is colored magenta with black text, but cannot get the text to be black. text(x, y, 'Summary', backgroundcolor = 'm', color = 'k') This gives me a magenta background and then text that is almost just as pink. Any ideas what I'm doing wrong? Many thanks!

    Read the article

  • How to draw a graph in LaTeX?

    - by Amir Rachum
    First of all, let me say I'm using LyX, though I have no problem using ERT. Secondly, what is the most simplest way to draw a simple graph like this in Latex? I've seen some documents with graphs and I've seen some examples, but I couldn't figure out how to just draw a simple graph - what packages do I need, etc?

    Read the article

  • Can one use polygon() or equivalent in lattice and ggplot2 plots?

    - by Alex Reynolds
    Is it possible to annotate lattice (or ggplot2) figures with elements created with polygon() (or elements created with a similar function) from the graphics library? I'm not too familiar with either library beyond examples of simple graphs posted on the web and printed in Deepayan Sarkar's book. Therefore, while I have code for what I've been doing in R with the graphics library, pointing me to relevant, equivalent functions and usage examples for lattice or ggplot2 specifically would be appreciated. Thanks.

    Read the article

  • How can CruiseControl.Net fail a build based on changing metrics?

    - by skolima
    I would like CruiseControl.Net to fail a build when some code metrics change in a 'wrong' direction, i.e. code coverage decreases or Gendarme defect count increases. The Gendarme metrics are already tracked in report.xml file (because they are presented on web dashboard graphs), the code coverage is only reported on build status page (and saved in build report xml). How can I achieve this?

    Read the article

  • Can't read excel file after creating it using File.WriteAllText() function

    - by Srikanth Mattihalli
    public void ExportDataSetToExcel(DataTable dt) { HttpResponse response = HttpContext.Current.Response; response.Clear(); response.Charset = "utf-8"; response.ContentEncoding = Encoding.GetEncoding("utf-8"); response.ContentType = "application/vnd.ms-excel"; Random Rand = new Random(); int iNum = Rand.Next(10000, 99999); string extension = ".xls"; string filenamepath = AppDomain.CurrentDomain.BaseDirectory + "graphs\\" + iNum + ".xls"; string file_path = "graphs/" + iNum + extension; response.AddHeader("Content-Disposition", "attachment;filename=\"" + iNum + "\""); string query = "insert into graphtable(graphtitle,graphpath,creategraph,year) VALUES('" + iNum.ToString() + "','" + file_path + "','" + true + "','" + DateTime.Now.Year.ToString() + "')"; try { int n = connect.UpdateDb(query); if (n > 0) { resultLabel.Text = "Merge Successfull"; } else { resultLabel.Text = " Merge Failed"; } resultLabel.Visible = true; } catch { } using (StringWriter sw = new StringWriter()) { using (HtmlTextWriter htw = new HtmlTextWriter(sw)) { // instantiate a datagrid DataGrid dg = new DataGrid(); dg.DataSource = dt; //ds.Tables[0]; dg.DataBind(); dg.RenderControl(htw); File.WriteAllText(filenamepath, sw.ToString()); // File.WriteAllText(filenamepath, sw.ToString(), Encoding.UTF8); response.Write(sw.ToString()); response.End(); } } } Hi all, I have created an excel sheet from datatable using above function. I want to read the excel sheet programatically using the below connectionstring. This string works fine for all other excel sheets but not for the one i created using the above function. I guess it is because of excel version problem. OleDbConnection conn= new OleDbConnection("Data Source='" + path +"';provider=Microsoft.Jet.OLEDB.4.0;Extended Properties=Excel 8.0;";); Can anyone suggest a way by which i can create an excel sheet such that it is readable again using above query. I cannot use Microsoft InterOp library as it is not supported by my host.

    Read the article

  • graph library for scala

    - by Elazar Leibovich
    Is there a good library (or wrapper to Java library) for graphs, and/or graph algorithms in scala? This one seems to be quite dead. This is an example for the Dijkstra algorithm in scala, but I'm looking for a library a-la JGraphT.

    Read the article

  • Charting library for Blackberry devices (native)

    - by dozerbull
    Does anyone know of a library to display charts and graphs natively on blackberry devices ? There are quite a few javascript (Flot...) charting libraries but I'd rather use something similar to Coreplot on iPhone if it is possible. I didn't find anything on top of SVG (JSR 226) or open GL ES (JSR 239) so any help is appreciated. Ideally, I'd like to be able to: draw Bar Charts (both vertical and horizontal) draw Stacked bar charts draw Pie charts drill-down one level on each bar or pie section to get corresponding information

    Read the article

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

< Previous Page | 11 12 13 14 15 16 17 18 19 20 21 22  | Next Page >