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Articles indexed in March 2010

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  • LibrePlanet 2010 Completes Its Orbit

    <b>Bradley M. Kuhn:</b> "I met so many young people excited about software freedom. I can only imagine to be only 19 or 20 years old and have the opportunity meet other Free Software developers in person. At that age, I considered myself lucky to simply have Usenet access so that I could follow and participate in online discussions about Free Software..."

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  • OpenSUSE gets an Upstart

    <b>The H Open:</b> "The most important development in this release is the shift from booting with the traditional System V init scheme to the newer Upstart system."

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  • How do I point one virtual host to another instance of apache running at another port on the same bo

    - by sacamano
    Hi there. I've got two apache2 instances running on my box. One came with a bitnami redmine stack which sole purpose is to host Redmine at host:8080/redmine. The other apache instance is running with php and such and is where I specify all the VHosts for my domains. Now I'd like to point redmine.somedomain.com at www.somedomain.com:8080/redmine so that redmine is accessible through a subdomain and on port 80. Redmine is a Ruby on Rails app and runs with Phusion Passenger so I can't just point the vhost to the htdocs directory of the redmine install. How is this done? I've tinkered with ProxyPass and ProxyPassReverse but I just can't get it working. All help is greatly appreciated.

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  • Why can .NET not have memory leaks?

    - by Dinah
    Ignoring unsafe code, .NET cannot have memory leaks. I've read this endlessly from many experts and I believe it. However, I do not understand why this is so. It is my understanding that the framework itself is written in C++ and C++ is susceptible to memory leaks. Is the underlying framework so well-written, that it absolutely does not have any possibility of internal memory leaks? Is there something within the framework's code that self-manages and even cures its own would-be memory leaks? Is the answer something else that I haven't considered?

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  • Set android datepicker date limits

    - by matt
    I am using datePicker in android to display images based on user selected dates. I need to limit said dates to certain days for instance Jan 1st 2010 to Dec 31st 2010. Simple as that i thought but no where can i find the answer on how to limit these dates. Does anyone know how to limit the dates for Android DatePicker

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  • Postion of & to denote reference type

    - by Matt H
    I was wondering whether to put the ampersand (&) after the variable type or before the variable name. To put it simply, I want to know which one is the conventional style or the standard, or if it is entirely down to preference. int &x; or int& x;

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  • ClassNotFoundException when connecting to Mysql with JDBC

    - by Jacob Lyles
    I'm getting the following error when I try to run a simple Java JDBC program at the command line: Exception in thread "main" java.lang.NoClassDefFoundError: LoadDriver/java Caused by: java.lang.ClassNotFoundException: LoadDriver.java at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:315) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:330) at java.lang.ClassLoader.loadClass(ClassLoader.java:250) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:398) Here's the simple Java program, copied right out of the JDBC docs: import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; // Notice, do not import com.mysql.jdbc.* // or you will have problems! public class LoadDriver { public static void main(String[] args) { try { // The newInstance() call is a work around for some // broken Java implementations Class.forName("com.mysql.jdbc.Driver").newInstance(); } catch (Exception ex) { throw ex; // handle the error } } } Problem is, I'm bloody sure my bash shell $ClASSPATH variable is pointed at the correct .jar file. To be sure, I copied the JDBC .jar to the same directory as my program and ran it as follows: java -classpath ./mysql-connector-java-5.1.12-bin.jar LoadDriver.java I still get the same error. I'm running under Mac OSX, if it matters.

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  • How do I use XPath with a default namespace with no prefix?

    - by Scott Stafford
    What is the XPath (in C# API to XDocument.XPathSelectElements(xpath, nsman) if it matters) to query all MyNodes from this document? <?xml version="1.0" encoding="utf-8"?> <configuration> <MyNode xmlns="lcmp" attr="true"> <subnode /> </MyNode> </configuration I tried /configuration/MyNode which is wrong because it ignores the namespace. I tried /configuration/lcmp:MyNode which is wrong because lcmp is the URI, not the prefix. I tried /configuration/{lcmp}MyNode which failed because Additional information: '/configuration/{lcmp}MyNode' has an invalid token. EDIT: I can't use mgr.AddNamespace("df", "lcmp"); as some of the answerers have suggested. That requires that the XML parsing program know all the namespaces I plan to use ahead of time. Since this is meant to be applicable to any source file, I don't know which namespaces to manually add prefixes for. It seems like {my uri} is the XPath syntax, but Microsoft didn't bother implementing that... true?

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  • ASP.Net and FaceBook Wall integration

    - by Jit
    Hi, I am new to FaceBook API. I like to send messages when I want from my aspx webpage. I used the different examples and used FaceBook API 3.1. I am getting error as "service temporarily unavailable". I have assigned AppKey, Secret Key and session key. My sample code is below. using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using Facebook; using Facebook.Web; using Facebook.Rest; using Facebook.Session; using Facebook.Utility; using Facebook.BindingHelper; using Facebook.Schema; using Facebook.Web.FbmlControls; using Facebook.Session.DesktopPopup; namespace FaceBookApp { public partial class _Default : System.Web.UI.Page { private const string ApplicationKey = "MY_APP_KEY"; private const string SecretKey = "MY_SECRET_KEY"; private Api fbAPI; private ConnectSession _connectSession; // private List<EventUser> _eventUsers; protected void Page_Load(object sender, EventArgs e) { } protected void Button1_Click(object sender, EventArgs e) { _connectSession = new ConnectSession(ApplicationKey, SecretKey); _connectSession.SessionKey = "MY_SESSION_KEY"; if (!_connectSession.IsConnected()) { // Not authenticated, proceed as usual. //lblStatus.Text = "Please sign-in with Facebook."; } else { // Authenticated, create API instance fbAPI = new Api(_connectSession); string response = fbAPI.Stream.Publish("publish steven on facebook."); } } } } The error message is confusing. It must be a very simple solution. I don't know what I am missing. Pls help. Here is the facebook exception. {"Service temporarily unavailable"}

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  • Recommended ASP.NET Shared Hosting

    - by coffeeaddict
    Ok, I have to admit I'm getting fed up with www.discountasp.net's pricing model and this annoyance has built up over the past 8 years or so. I've been with them for years and absolutely love them on the technical side, however it's getting ridiculously expensive for so little that you get. I mean here's my scenario: 1) I am running 2 SQL Server databases which costs me $10/ea per month so that's $20/month for 2 and I only get 500 mb disk space which is horrible 2) I am paying $10/mo just for the hosting itself which I only get 1 gig of disk space! I mean common! 3) I am simply running 2 small apps (Screwturn Wiki & Subtext Blog)...so I don't really care if it's up 99% or not, it's not worth paying a total of $300 just to keep these 2 apps running over discountasp.net Anyone else feel the same? Yes, I know they have great support, probably have great servers running behind this but in the end I really don't care as long as my site is up 95% or better. Yes, the hosting toolset rocks. But you know I bet you I can find a similar set somewhere else. I like how I can totally control IIS 7 at discountasp and I can control my own app pool etc. That's very powerful and essential. But anyone have any good alternatives to discountasp that gives me close to the same at a much more reasonable cost point? I mean http://www.m6.net/prices.aspx gives you 10 SQL Databases for $7 and 200 gigs disk space! I don't know about their tools or support but just looking at those numbers and some other hosts I've seen, I feel that discountasp.net is way out of line. They don't even offer any purchasing discounts such as it would be nice if my 2nd SQL Server is only $5/month not $10...stuff like this, to make it much more realistic and fair. Opinions (people who do have discountasp.net, people who have left them, or people who have another host they like)??? But geez $300 just to host a couple DBs and lightweight open source apps? Not worth the price they are charging. I'm almost at a price point that enables me to get a decent dedicated server! I really don't care about beta support. Not a big deal to me.

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  • the sizeof why ??!!

    - by hiba salem
    hi I hve this code struct Student { char name[48]; float grade; int marks[10,5]; char gender; }; Student s; Now I have to get the sizeof s so i added printf("%d",sizeof(s)); now when I hit compile the result showing is 256 and its wrong because it shoud be 253 as because the size of char name[48]; ---- 48 and float grade; ----- 4 and int marks[10,5]; ------ 200 and char gender; -------1 so 48+4+200+1 = 253 so why its telling me 256 ??

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  • Reporting Android Application Crashes

    - by Travis
    I've noticed a couple of Android applications that seem to be using a 3rd party crash reporting tool. Has anyone seen this screen and do you know where I can find it? I started using http://code.google.com/p/android-remote-stacktrace/ but i rather not require internet permissions if I can use an intent to send emails.

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  • Initialize data using memset

    - by gkid123
    memset to initilize data member- What is the benefit of initializing this way? Does it work in this example? Does it work in general ? Is it a good idea in general? class A { public: A(); private: int a; float f; char str[35]; long *lp; }; A::A() { memset(this, 0, sizeof(*this)); }

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  • programming question about numbers

    - by Syom
    it's a task, on which i think during whole day. i have four integer numbers a, b, c, d, and ineger x[1,40]. i must write a program, which can find the values of {a,b,c,d}, for which one of following equations is true for any (x<=40, x=1) x=a or x=b or x=a+b or x=a+b+c+d or x+a=c+d or x+a+b=c+d or ... x+a+b+c=d or ... it is very difficult to explain what i want to say. maybe the example will be helpful. example: if x=17, by {a=1,b=2,c=5,d=15} i can write x+a+b=c+d whole question is to present any x[1,40] by {a,b,c,d}. hope that you understand what i want to say, and thanks in advance

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  • How to limit SMTP delivery to hourly batches

    - by Jeremy W
    In an effort to keep us from being labeled spammers by major ISPs (in addition to SPF records, privacy policies, CANSPAM compliance and the like) - I wanted to limit the amount of mail we send out an hour. Is this possible in W2K3 SMTP server? I was looking at outbound connection properties in the SMTP virtual server config screens...It's just not that clear if tinkering with those settings are going to do what I want. In a nutshell, I'd love mail being sent by this server to queue up and send for example, 5,000 messages every 10 minutes or so. Is this possible?

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  • mootools slideshow not working with JQuery. Need help !

    - by Shantanu Gupta
    I am working on a site http://tapasya.co.in where i just impemented mootools slideshow. But I noticed that menubar that i was using stopped working, it was supposed to drop horizontaly but it is not being displayed now. I have used jquery for it. Please see the source of the web page. What can be the problem ? Mootools conflicting with javascript or some other problem. If I tries to use $.noConflict() it throws me an error in script Uncaught TypeError: Object function (B,C){if(B&&B.$family&&B.uid){return B}var A=$type(B);return($[A])?$[A](B,C,this.document):null} has no method 'noConflict' I tried the given solution below. But it is not working. <script type="text/javascript" src="<%= ResolveUrl("~/Js/jquery-1.3.2.min.js") %>" ></script> <script type="text/javascript" src="<%= ResolveUrl("~/Scripts/SlideShow/js/mootools.js") %>"></script> <script type="text/javascript" src="<%= ResolveUrl("~/Scripts/SlideShow/js/slideshow.js") %>"></script> <script type="text/javascript" src="<%= ResolveUrl("~/Scripts/SlideShow/js/lightbox.js") %>"></script> <script type="text/javascript"> // <![CDATA[ $.noConflict(); var timeout = 500; var closetimer = 0; var ddmenuitem = 0; function ddmenu_open(){ ddmenu_canceltimer(); ddmenu_close(); ddmenuitem = $(this).find('ul').css('visibility', 'visible'); } function ddmenu_close(){ if(ddmenuitem) ddmenuitem.css('visibility', 'hidden'); } function ddmenu_timer(){ closetimer = window.setTimeout(ddmenu_close, timeout); } function ddmenu_canceltimer(){ if(closetimer){ window.clearTimeout(closetimer); closetimer = null; }} $(document).ready(function(){ $('#ddmenu > li').bind('mouseover', ddmenu_open) $('#ddmenu > li').bind('mouseout', ddmenu_timer) }); document.onclick = ddmenu_close; // ]]> </script> <script type="text/javascript"> //<![CDATA[ window.addEvent('domready', function(){ var data = { '1.jpg': { caption: 'Acoustic Guitar,electric,bass,keyboard, indian vocal traning and Music theory.' }, '2.jpg': { caption: 'Acoustic Guitar,electric,bass,keyboard, indian vocal traning and Music theory.' }, '3.jpg': { caption: 'Acoustic Guitar,electric,bass,keyboard, indian vocal traning and Music theory.' }, '4.jpg': { caption: 'Acoustic Guitar,electric,bass,keyboard, indian vocal traning and Music theory.' } }; // Note the use of "linked: true" which tells Slideshow to auto-link all slides to the full-size image. //http://code.google.com/p/slideshow/wiki/Slideshow#Options: var mootoolsSlideshow = new Slideshow('divbanner', data, {loader:true,captions: true, delay: 5000,controller: false, height: 370,linked: false, hu: '<%= ResolveUrl("~/Scripts/SlideShow/Images/") %>', thumbnails: true, width: 1002}); // Here we create the Lightbox instance. // In this case we will use the "close" and "open" callbacks to pause our show while the modal window is visible. var box = new Lightbox({ 'onClose': function(){ this.pause(false); }.bind(mootoolsSlideshow), 'onOpen': function(){ this.pause(true); }.bind(mootoolsSlideshow) }); }); //]]> </script>

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  • jQuery not working on Popup Window

    - by Seth Duncan
    I am using ASP.Net and jQuery + jQuery UI. Everything works fine with the jQuery on any other page, however when I create a popup window with window.open(...) jQuery seems to no longer function. I have all of the script files included on the Popup's Master page, so am not sure why it won't fire. Any Thoughts?

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  • weighted matching algorithm in Perl

    - by srk
    Problem : We have equal number of men and women.each men has a preference score toward each woman. So do the woman for each man. each of the men and women have certain interests. Based on the interest we calculate the preference scores. So initially we have an input in a file having x columns. First column is the person(men/woman) id. id are nothing but 0.. n numbers.(first half are men and next half woman) the remaining x-1 columns will have the interests. these are integers too. now using this n by x-1 matrix... we have come up with a n by n/2 matrix. the new matrix has all men and woman as their rows and scores for opposite sex in columns. We have to sort the scores in descending order, also we need to know the id of person related to the scores after sorting. So here i wanted to use hash table. once we get the scores we need to make up pairs.. for which we need to follow some rules. My trouble is with the second matrix of n by n/2 that needs to give information of which man/woman has how much preference on a woman/man. I need these scores sorted so that i know who is the first preferred woman/man, 2nd preferred and so on for a man/woman. I hope to get good suggestions on the data structures i use.. I prefer php or perl. Thank you in advance

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  • vhost.conf file in PLESK not working as intended

    - by Saif Bechan
    I have configured a vhost file for my domain but it does not seem to work. These are the steps I took, please correct me if I am wrong. First I made a file called vhost.conf in: /var/www/vhosts/*domain*/conf/vhost.conf The content of the vhost file looks like this: <Directory /var/www/vhosts/*domain*/httpdocs> php_admin_flag engine on php_admin_flag display_errors on </Directory> Now in my /etc/php.ini i set display_errors=Off After everything i rebuild with: /usr/local/psa/admin/sbin/websrvmng -a But I don't see the any errors in my page. When i turn on the display_errors in /etc/php.ini only then can I see the errors. I know for a fact that the vhost file is read, because when i type nonsense values i get an error when restarting apache saying there are errors in the vhost file. Anyone know what the problem can be. Should there be special settings in either the php.ini file or the httpd.conf file. The httpd.conf i edit is in /etc/httpd/conf/httpd.conf. Is this the file that PLESK uses or is there another, because the values i see there do not really reflect the http folders of my domain. The httpd file looks like this now. # The document root DocumentRoot "/var/www/html" # i guess this is the base directory <Directory /> Order Deny,Allow Deny from all Options None AllowOverride None </Directory> # And i guess here are all my domains located, but there aren't any here <Directory "/var/www/html"> Options None AllowOverride None Order allow,deny Allow from all </Directory> Only this directory /var/www/html is not used by me, I use the directory /var/www/vhosts. The only folder found in /var/www/html is a folder called awstats. Does plesk use other files, and where are they located. I hope this all makes sense to anyone, and i hope i can find a solution

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  • security deleting a mysql row with jQuery $.post

    - by FFish
    I want to delete a row in my database and found an example on how to do this with jQuery's $.post() Now I am wondering about security though.. Can someone send a POST request to my delete-row.php script from another website? JS function deleterow(id) { // alert(typeof(id)); // number if (confirm('Are you sure want to delete?')) { $.post('delete-row.php', {album_id:+id, ajax:'true'}, function() { $("#row_"+id).fadeOut("slow"); }); } } PHP: delete-row.php <?php require_once("../db.php"); mysql_connect(DB_SERVER, DB_USER, DB_PASSWORD) or die("could not connect to database " . mysql_error()); mysql_select_db(DB_NAME) or die("could not select database " . mysql_error()); if (isset($_POST['album_id'])) { $query = "DELETE FROM albums WHERE album_id = " . $_POST['album_id']; $result = mysql_query($query); if (!$result) die('Invalid query: ' . mysql_error()); echo "album deleted!"; } ?>

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