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  • Howcan I get started with Spring Batch?

    - by C. Ross
    I'm trying to learn Spring Batch, but the startup guide is very confusing. Comments like You can get a pretty good idea about how to set up a job by examining the unit tests in the org.springframework.batch.sample package (in src/main/java) and the configuration in src/main/resources/jobs. aren't exactly helpful. Also I find the Sample project very complicated (17 non-empty Namespaces with 109 classes)! Is there a simpler place to get started with Spring Batch?

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  • place and show pixel in the Cartesian plane graph in JavaFX

    - by user3671803
    I have this method to draw the Cartesian plane in JavaFX, using canvas and would like to know if it is possible to place or show the pixel: public class Grafics extends StackPane { private Canvas canvas; public void Grafics(){ GridPane grid = new GridPane(); grid.setPadding(new Insets(5)); grid.setHgap(10); grid.setVgap(10); canvas = new Canvas(); canvas.setHeight(500); canvas.setWidth(700); GridPane.setHalignment(canvas, HPos.CENTER); grid.add(canvas, 0, 2); GraphicsContext gc = canvas.getGraphicsContext2D(); gc.setFill(Color.BLACK); gc.fillRect(0, 0, canvas.getWidth(), canvas.getHeight()); gc.setFill(Color.WHITE); gc.fillRect(1, 1, canvas.getWidth() - 2, canvas.getHeight() - 2); drawAxesXY(gc); //call the method drawAxes getChildren().addAll(grid);// add an gridpane in stackpane } private void drawAxesXY(GraphicsContext gc1) { PixelWriter pixelWriter = canvas.getGraphicsContext2D().getPixelWriter(); gc1.setFill(Color.WHITE); gc1.setStroke(Color.BLACK); gc1.setLineWidth(1.5); gc1.strokeText("Y", 350, 30); gc1.scale(1, 1); gc1.translate((canvas.getHeight() / 50) - (canvas.getWidth() / 10), canvas.getHeight() / 50); gc1.strokeLine(canvas.getWidth() - 300, canvas.getWidth() - 300, canvas.getHeight() - 100, canvas.getHeight() / 30); pixelWriter.setColor(300, 300, Color.RED); gc1.strokeText("X", 620, 220); gc1.translate(canvas.getWidth() - (canvas.getHeight() / 10), -220); gc1.rotate(90.0); gc1.setFill(Color.WHITE); gc1.setStroke(Color.RED); gc1.setLineWidth(1.5); gc1.strokeLine(canvas.getWidth() - 250, canvas.getWidth() - 250, canvas.getHeight() - 50, canvas.getHeight() / 30); pixelWriter.setColor(620, 220, Color.RED); } } I put a line black and the other red http://postimg.org/image/tewjhco4z/ and I wanna know if is possible to place or show the pixel in Figure like this http://postimg.org/image/98k9mvnb3/

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  • Java heap keeps on shrinking! What is happening in this graph of heap size?

    - by chillitom
    Hi Guys, This is a screen shot of a JVM (win64, 6u17) running ActiveMQ, after every garbage collection the heap size is reducing. As the heap size reduces garbage collection gets more frequent and the heap reduces more quickly. Eventually the VM locks up as it's spending all it's time in GC. -Xms is the default and -Xmx is 2048mb. What is happening!!? How can I avoid this? http://imagebin.org/92614 n.b originally posted on serverfault.com, moved to stackoverflow.com as requested

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  • parsec-3.1.0 with custom token datatype

    - by Tener
    parsec-3.1.0 ( http://hackage.haskell.org/package/parsec-3.1.0 ) works with any token type. However there are combinators like Text.Parsec.Char.satisfy that are only defined for Char datatype. There doesn't seem to be any more general counterpart available. Should I define my own versions or did I miss something? Perhaps there are different parser libraries in Haskell that allows: custom token types custom parser state (I need to parse stateful format - Wavefront OBJ)

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  • IDataServiceMetadataProvider / ResourceType.... what for dynamic types with no CLR type?

    - by TomTom
    Hello, I try to expose a database via ADO RIA for which we have only an ODBC based interface. The "database" is a server and new elements are developped all the time, so I would like the server to check metadata at start (using the odbc schema methods) and then expose what he finds via RIA services.... clients can the nregenerate when they need access to new elements. As such, I dont ahve any CLR types for all the tabled developped. ResourceType tableType = new ResourceType( typeof(object), ResourceTypeKind.EntityType, null, "Martini", table_name, false ); tableType.CanReflectOnInstanceType = false; I can somehow not put in NULl as CLR element type, and entering typeof(object) seems to result in reflection errors when trying to access the properties. Any documentation on how to do that? I dont really want to get into having types... though if I have to, I probably will dynamically generate some via bytecode emit.

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  • How to configure Spring JavaMailSenderImpl for Gmail

    - by Andrew Carlson
    I am trying to find the correct properties to use to connect to the Gmail SMTP sever using the JavaMailSenderImpl class. Let me first say that I have tried the approach found here. This worked fine. But when I tried the configuration below that post with the exact same authentication information I received a javax.mail.AuthenticationFailedException. My currently configuration looks like this. <bean id="mailSender" class ="org.springframework.mail.javamail.JavaMailSenderImpl" > <property name="username" value="[email protected]" /> <property name="password" value="XXX" /> <property name="javaMailProperties"> <props> <prop key="mail.smtp.host">smtp.gmail.com</prop> <prop key="mail.smtp.port">587</prop> <prop key="mail.smtp.auth">true</prop> <prop key="mail.smtp.starttls.enable">true</prop> </props> </property> </bean> Why am I still getting this javax.mail.AuthenticationFailedException if I know that my credentials are correct. Update Here is my updated code based on the answers below. I am still receiving the same exception. <bean id="mailSender" class ="org.springframework.mail.javamail.JavaMailSenderImpl" > <property name="username" value="[email protected]" /> <property name="password" value="XXX" /> <property name="javaMailProperties"> <props> <prop key="mail.smtp.from">[email protected]</prop> <prop key="mail.smtp.user">[email protected]</prop> <prop key="mail.smtp.password">XXX</prop> <prop key="mail.smtp.host">smtp.gmail.com</prop> <prop key="mail.smtp.port">587</prop> <prop key="mail.smtp.auth">true</prop> <prop key="mail.smtp.starttls.enable">true</prop> </props> </property> </bean>

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  • jquery ui datepicker is huge

    - by iggnition
    Hi, im trying to add a datepicker to my symfony application and i got it working, but the size of the datepicker is about 3 times bigger than normal (on the demo page). I have not edited any CSS, i just used the default ui lightness theme no modifications. Does anybody have any idea why the size is blown up so big? CSS: http://paste2.org/p/835414 tough i doubt that will be very usefull.

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  • How can two eclipse plugin use the same preferences store?

    - by St.Shadow
    I have two plugins, say com.site.plugin.core and com.site.plugin.ui. I'd like to separate core part from UI part, so at plugin com.site.plugin.ui I created Preferences page where I defined some preferences, which should be used by com.site.plugin.core. I check article at Eclipse site, but it is quite outdated, and linked bug also do not provide much info. So is it possible to do this using standard Eclipse mechanism, or I need use direct low-level API via package org.eclipse.core.runtime.preferences?

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  • UTF8 encoding not working when using ajax.

    - by Ronedog
    I recently changed some of my pages to be displayed via ajax and I am having some confusion as to why the utf8 encoding is now displaying a question mark inside of a box, whereas before it wasn't. Fore example. The oringal page was index.php. charset was explicitly set to utf8 and is in the <head>. I then used php to query the database Heres is the original index.php page: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Title here</title> </head> <body class='body_bgcolor' > <div id="main_container"> <?php Data displayed via php was simply a select statement that output the HTML. ?> </div> However, when I made the change to add a menu that populated the "main_container" via ajax all the utf8 encoding stopped working. Here's the new code: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Title here</title> </head> <body class='body_bgcolor' > <a href="#" onclick="display_html('about_us');"> About Us </a> <div id="main_container"></div> The "display_html()" function calls the javascript page which uses jquery ajax call to retrieve the html stored inside a php page, then places the html inside the div with an id of "main_container". I'm setting the charset in jquery to be utf8 like: $.ajax({ async: false, type: "GET", url: url, contentType: "charset=utf-8", success: function(data) { $("#main_container").html(data); } }); What am I doing wrong?

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  • How to add an Interbase connection pool to glassfish?

    - by kgrad
    Hi, I am attempting to add an Interbase connection pool to GlassFish v3 to use EJB 3.1 in a project. The glassfish log appears to be connecting to my database properly, it spits out all my table names and indices. However, I get an error INFO: fetching database metadata SEVERE: could not complete schema update java.lang.NullPointerException at interbase.interclient.ResultSet.local_Close(Unknown Source) ... And when I ping the connection pool from within Glassfish I receive "Ping failed Exception - null". I have the following properties set with my connectionpool: resource type: javax.sql.DataSource Datasource Classname: interbase.interclient.DataSource portNumber: 3050 as well as my database info. I can't seem to find information elsewhere. This question is similar but did not receive an answer. thanks.

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  • Mining Groups of people from Wikipedia

    - by AlgoMan
    I am trying to get the list of people from the http://en.wikipedia.org/wiki/Category:People_by_occupation . I have to go through all the sections and get people from each section. How should i go about it ? Should i use a crawler and get the pages and search through those using BeautifulSoup ? Or is there any other alternative to get the same from Wikipedia ?

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  • Tearing my hair out - ASP.Net AJAX AutoComplete not working

    - by Dave
    Hope someone can help with this. I've been up and down the web and through this site looking for an answer, but still can't get the Autocomplete AJAX control to work. I've gone from trying to include it in an existing site to stripping it right back to a very basic form and it's still not functioning. I'm having a little more luck using Page Methods rather than a local webservice, so here is my code <%@ Page Language="C#" AutoEventWireup="true" CodeFile="droptest.aspx.cs" Inherits="droptest" %> <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> <asp:ScriptManager ID="ScriptManager1" EnablePageMethods="true" runat="server"> </asp:ScriptManager> <cc1:AutoCompleteExtender ID="AutoCompleteExtender1" runat="server" MinimumPrefixLength="1" ServiceMethod="getResults" TargetControlID="TextBox1"> </cc1:AutoCompleteExtender> </form> </body> </html> using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.Script.Services; using System.Web.Services; public partial class droptest : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } [WebMethod] public string[] getResults(string prefixText, int count) { string[] test = new string[5] { "One", "Two", "Three", "Four", "Five" }; return test; } } Tried to keep things as simple as possible, but all I get is either the autocomplete dropdown with the source of the page (starting with the <! doctype...) letter by letter, or in IE7 it just says "UNDEFINED" all the way down the list. I'm using Visual Web Developer 2008 at the moment, this is running on Localhost. I think I've exhausted all the "Try this..." options I can find, everything from adding in [ScriptMethod] to changing things in Web.Config. Is there anything obviously wrong with this code? Only other thing that may be having an effect is in Global.asax I do a Context.RewritePath to rewrite URLs - does this have any effect on AJAX? Thanks for any help you can give.

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  • Help with this algorithm

    - by user146780
    I want to implement this algorithm here: http://bellard.org/pi/pi_n2/pi_n2.html but I don't understand a good part of it, and would like to understand. Could someone please put it in understandable words, psudocode, or C. Thanks.

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  • Running CPython Applications With Visual Studio?

    - by user213060
    I would like to know how to use Visual Studio with CPython (the official python.org python interpreter, not IronPython). In particular, I am interested in getting "build" and "run" commands in Visual Studio working. Other features such as color highlighting and auto-complete, I am less concerned about. Also, can the "build" command be made to run py2exe or similar exe packagers?

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  • Doctrine toarray does not convert relations.

    - by terrani
    Hi, so..I followed doctrine documnetation to get started. Here is the documentation http://www.doctrine-project.org/documentation/manual/1_2/en/working-with-models#dealing-with-relations:retrieving-related-records My code is $User = Doctrine_Core::getTable("User")->find(1); when I access relations by $User-Phonenumbers, it works. When I convert User object to array by using toArray() method, it does not convert relations to array. It simply display $User data. Am i missing something?

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  • Grails build-test-data

    - by bsreekanth
    Hello, Is it advisable to use the build-test-data plugin to load the bootstrap (seed/initial) data for an application. The plugin tutorial is excellent at http://bitbucket.org/tednaleid/grails-test-data/wiki/Home , but only mention about loading test data. There is a section about TestDataConfig , which allows to set default data. But is it a viable option if the data needs to persist in a larger scale, with complex relations.\ thanks.

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  • Best Practise to populate Fact and Dimension Tables from Transactional Flat DB

    - by alex25
    Hi! I want to populate a star schema / cube in SSIS / SSAS. I prepared all my dimension tables and my fact table, primary keys etc. The source is a 'flat' (item level) table and my problem is now how to split it up and get it from one into the respective tables. I did a fair bit of googling but couldn't find a satisfying solution to the problem. One would imagine that this is a rather common problem/situation in BI development?! Thanks, alexl

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  • C# Winforms ADO.NET - DataGridView INSERT starting with null data

    - by Geo Ego
    I have a C# Winforms app that is connecting to a SQL Server 2005 database. The form I am currently working on allows a user to enter a large amount of different types of data into various textboxes, comboboxes, and a DataGridView to insert into the database. It all represents one particular type of machine, and the data is spread out over about nine tables. The problem I have is that my DataGridView represents a type of data that may or may not be added to the database. Thus, when the DataGridView is created, it is empty and not databound, and so data cannot be entered. My question is, should I create the table with hard-coded field names representing the way that the data looks in the database, or is there a way to simply have the column names populate with no data so that the user can enter it if they like? I don't like the idea of hard-coding them in case there is a change in the database schema, but I'm not sure how else to deal with this problem.

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  • How to start with NOSQL using .net programming languages?

    - by Amr ElGarhy
    just was reading this article http://highscalability.com/blog/2010/3/23/digg-4000-performance-increase-by-sorting-in-php-rather-than.html And found this nice article http://wiki.apache.org/cassandra/DataModel I just want to know as a .net developer how to deal with NOSQL, and somethings like cassandra. I found that cassandra is apache product, is there something like this in microsoft world? or articles to know how to deal with cassandra using .net?

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  • Android List with section headers

    - by user324661
    Hi, I'm trying to create a list with headers above a grouping of items. I was looking at SeperatedListAdapter available here: http://jsharkey.org/blog/2008/08/18/separating-lists-with-headers-in-android-09/ but I ran into an error (ERROR/AndroidRuntime(2025): java.lang.IllegalStateException: ArrayAdapter requires the resource ID to be a TextView ) Now I'm looking into more options including making a new one. Do you guys have any hints? Thanks, Bryon

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  • JDBC Realm: GlassFish v2.1 = OK; GlassFish v3 = fail with invaliduserreason

    - by Vik Gamov
    In my J2EE 5 application I have a JDBC Realm based security with Form method. Encrypt method is MD5 as default. The database is PostgreSQL 8.4 installed locally (or 8.3 available via lan). My app used to work finely on GlassFish v2.1 server with PostgreSQL 8.3, but now I need to deploy it on GlassFish v3. I am absolutely sure I have done all the same config on GFv3 like creating Connection Pool (which pings with no problem), JDBC Resource and JDBC Realm. But on GFv3 I get login exception with "invaliduserreason" while the database schema is just created from the working database script. I have checked the data and entered login/password thousand times and it seems that data is all right. So where can I find the reason of unworking security? Please, advice. NetBeans 6.8 Thanks.

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