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• git : The remote end hung up unexpectedly - too many simultaneous users?

  - by Pritam Barhate

  I asked this first on StackOverflow and I was suggested that I should ask it here: We have a self hosted git server (Gitolite) on a VPS account (CPU:2.68GHz RAM:1824MB). This same VPS is also used to publish our underdevelopment web apps for client demos. (Very little traffic). so the main use of the server is as a Git Server Only. This git server is accessed by a team of 30-40 people for various projects. Our problem is that during the day when 6-7 people are trying to access the server (sometimes same repo) we get frequent error message: ssh: connect to host xxx.xxx.xx.xx port 22: Bad file number fatal: The remote end hung up unexpectedly After trying for 10-15 minutes it generally succeeds. During early mornings and late nights when there are only 1-2 people, git commands work with 100% success rate. Also I would like to note that if I access the other file hosted on the server through HTTP it works fine. I found a couple of questions on StackOverflow and on other sites regarding this. But most of the people point towards SSH key set up or conflicts between Msysgit and Cygns SSH. However I don't think this is the problem in our case as we get this behavior on Windows (using msysgit only) as well as Mac Machines. Also if it was SSH configuration issue then it shouldn't work at all. But in our case it works after 10-15 minutes. I think in our case it might be too many simultaneous connections to same server (or same repo) or something like that. Does there exists a setting or a conf file that needs to modified to solve this problem? Please help me solve this problem or point me in the right direction. Thanks in advance. Pritam.

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• fiddler to calculate page load time of a silverlight application

  - by Pritam Karmakar

  Hi All, I have a silverlight application, that I want to calculate page load time through C# using Fiddler API. Could you please share some useful guidelines how I can do it using fiddler/fiddlercore. Here are some details what I want to do... Launch fiddler and launch IE (without using httpweb request) Load my application url. Calculate page load time Earlier I tried to use httpwatch API to calculate it. Httpwatch do all these stuffs, but it doesn't calculate the silverlight component load time. Please help. Thanks, Pritam

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• application shortcut trying to reinstall application

  - by Pritam Karmakar

  Hi All, I have created a deployment file(msi) using VS Setup project. This msi file create a shortcut in desktop.During deployment I have added some predefined data files (.xml/text) into it.Application shortcut working fine i.e. it open the application and running fine. But once I delete some data files from installation location, and then click application shortcut, it started installing the application and copied all those files into the original installation location again. My question is how to stop this re-installation after deletion of files. Thanks, Pritam

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• Does someone have used Network Emulator API exposed in VS 2010

  - by Pritam

  Hi, I have seen VS2010 exposing Network Emulator API. I have installed it and trying to use this API, but not able detect whether it is really running with this code or not. Sometime I have given wrong profile name but it does not throw any error. Please find below my piece of code. If some one have used it please help me. IntPtr m_emulatorHandle = IntPtr.Zero; NetworkEmulationApi.LoadProfile(m_emulatorHandle, "300KB_WithLatency.xml"); NetworkEmulationApi.StartEmulation(m_emulatorHandle); Thanks, Pritam

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• url mod_rewrite

  - by Pritam Borkar

  I had an e-commerce website hosted on http://mydomain.com/beta for more than a year, eventually I decided to move the website to root http://mydomain.com I had done quite a lot of link postings to forums etc, when my site used to be hosted in the sub-dir /beta . Is there any way to do a mod_rewrite by which all the old links that I have posted do not return as broken links since now longer the site is hosted in /beta and is now hosted on the site root. I did read that mod_rewrite can help resolve this issue, but also read about that this has to be done with care. Just a tip that this site is using Friendl URL.

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• Unable to connect to SVN server on VPS : Subversion Configuration Problem

  - by Pritam Barhate

  Hello everybody, I purchased a VPS account (centos-5-x86_64) from Hostgator mainly for the purpose of setting up an online Subversion Server. This is the first time I am managing a VPS and my linux skills are not so great, but I have basic knowledge of the OS and have been using it on and off as desktop from last few years. So after foxing through a few tutorials online, as the first step I logged in using SSH root account provided by Hostgator and tried to run, yum install mod_dav_svn subversion As it turns out my account has Cpanel/WHM and since it some concept of easy apache straight forward procedure of yum install mod_dav_svn subversion won't work. After that I found out how it can be worked out by compiling the source and stuff. But the whole procedure looked long and scary. [I am just a linux nub]. so I decided I would just skip whole apache integration stuff and just access the server using svn:// protocol, anyways that's how I configure svn on our LAN. So I installed subversion using yum install subversion It installed fine. Then I created a folder /svn_repos/testproject and ran svnadmin create /svn_repos/testproject/ No Problems Using vi I changed svnserve.conf and passwd files for the repository and added a user with my name. Anonymous users don't have any access, authenticated users have write access. Then I started svnserve using svnserve -d then in same terminal window svn list svn://localhost/svn_repos/testproject Asks for authentication for realm, provided root password then for svn username and password. Provided both. The command returns nothing but exists properly. Returns nothing is understood I didn't import anything. But if try to access svn remotely using in another terminal: svn list svn://ip.add.of.server/svn_repos/testproject svn: Can't connect to host 'ip.add.of.server': Operation timed out Is what I get. Parallels Power Panel that I got from Hostgator reports that: The firewall is not active now. To activate the firewall, choose one of the firewall operation modes. So if firewall is not running and I can access svn using localhost, why the operation is timing out when I try to access svn from a remote machine? Experienced network admins please help. Thanks in advance. Also please suggest a good book which gives detailed information on configuring Dedicated servers + WHM and CPanel.

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• method is not called from xhtml

  - by Amlan Karmakar

  Whenever I am clicking the h:commandButton,the method associated with the action is not called.action="${statusBean.update}" is not working, the update is not being called. 1) Here is my xhtml page <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core" xmlns:p="http://primefaces.org/ui"> <h:head></h:head> <h:body> <h:form > <p:dataList value="#{statusBean.statusList}" var="p"> <h:outputText value="#{p.statusId}-#{p.statusmsg}"/><br/> <p:inputText value="#{statusBean.comment.comment}"/> <h:commandButton value="comment" action="${statusBean.update}"></h:commandButton> </p:dataList> </h:form> </h:body> </html> 2)Here is my statusBean package com.bean; import java.util.List; import javax.faces.context.FacesContext; import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import javax.persistence.Persistence; import javax.persistence.Query; import javax.servlet.http.HttpSession; import com.entity.Album; import com.entity.Comment; import com.entity.Status; import com.entity.User; public class StatusBean { Comment comment; Status status; private EntityManager em; public Comment getComment() { return comment; } public void setComment(Comment comment) { this.comment = comment; } public Status getStatus() { return status; } public void setStatus(Status status) { this.status = status; } public StatusBean(){ comment = new Comment(); status=new Status(); EntityManagerFactory emf=Persistence.createEntityManagerFactory("FreeBird"); em =emf.createEntityManager(); } public String save(){ FacesContext context = FacesContext.getCurrentInstance(); HttpSession session = (HttpSession) context.getExternalContext().getSession(true); User user = (User) session.getAttribute("userdet"); status.setEmail(user.getEmail()); System.out.println("status save called"); em.getTransaction().begin(); em.persist(status); em.getTransaction().commit(); return "success"; } public List<Status> getStatusList(){ FacesContext context = FacesContext.getCurrentInstance(); HttpSession session = (HttpSession) context.getExternalContext().getSession(true); User user=(User) session.getAttribute("userdet"); Query query = em.createQuery("SELECT s FROM Status s WHERE s.email='"+user.getEmail()+"'", Status.class); List<Status> results =query.getResultList(); return results; } public String update(){ System.out.println("Update Called..."); //comment.setStatusId(Integer.parseInt(statusId)); em.getTransaction().begin(); em.persist(comment); em.getTransaction().commit(); return "success"; } }

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• How do I get the year drop down with a textfield

  - by Sanjib Karmakar

  I am creating a domain class named HOLIDAY in grails.I need to have a year dropdown in my Holiday year field. Hear is my domain:- class Holiday extends CategoryMaster { String holidayName Date startDate int year Date dateCreated static constraints = { holidayName(blank:false,nullable:false) } } I need to a year dropdown in year field, Should it come dynamically from a domain method that will discard the month & day and reflect only year in that dropdown adding +50 -50 to that?... How can I get it?

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• Write a function that compares two strings and returns a third string containing only the letters th

  - by Pritam

  Hi All, I got this homework. And have solved it in following way. I need your comments whether it is a good approach or I need to use any other data sturcture to solve it in better way. public string ReturnCommon(string firstString, string scndString) { StringBuilder newStb = new StringBuilder(); if (firstString != null && scndString != null) { foreach (char ichar in firstString) { if (!newStb.ToString().Contains(ichar) && scndString.Contains(ichar)) newStb.Append(ichar); } } return newStb.ToString(); }

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• How to get orientation of android from gyrsocope sensor events ?

  - by Pritam

  I am using android 2.3 on Nexus S and want to get orientation from gyroscope sensor events. As gyro gives angular velocity how to use this for getting device orientation ? Also is there any way we can get pure linear accelerations on phone's axis, without gravity vector. I expected this from Linear acceleration sensor event but just found a post and referred android source as well for Sensor which currently uses only accelerometer. So what's the best way to combine the readings from both hardware to get pure accelerations without gravity inclusions ? Thanks.

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• How to reverse a number as an integer and not as a string?

  - by Pritam

  I came across a question "How can one reverse a number as an integer and not as a string?" Could anyone please help me to find out the answer.

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• Xpath Query to match immediate sibling nodes in a sequence.

  - by Pritam Damania

  Hi, I'm new to XPATH and I'd like to know if there is a nice way to do this using XPATH queries. I want to match consecutive sibling nodes in a XML tree to certain predefined rules for example if there are three sibling nodes occurring immediately one after the other and they have the attributes value="A", value="B" and value="C", I want the XPATH query to match the first node/last node in such a sequence and I want to extract all such consecutive sequence of nodes from the XML tree so that I can process them later on. Thanks!

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