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  • Login to SQL Server Express via development environment (VS2010)

    - by Sanarothe
    Seems like I'm missing something simple, but my attempts to connect to SQL Server Express have failed. I feel like I need to add privileges for my account but I'm not sure where to do it. Dev Env: VS 2010 (Web) SQL: Sql Server Express 2008 OS: XP Trying to open a connection to database returns: Cannot open database "|DataDirectory|DropData.mdf" requested by the login. The login failed. Login failed for user 'devel.' I created the database using the interface in VS 2010 (Add new item - DB File) but my ASP.Net class only covered design-time access and not access in code, so I'm not familiar with what to do. I created a user (Devel) using SQL Server Management Studio to avoid connecting as SA, but couldn't figure out how to give any SQL-level access rights to this account. Any ideas? Thanks, Cameron

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  • WinForms form freezes

    - by andrew
    On a form (F1) i have a button, from which if i create another form (lets call it F2) and show it there's no problem but i'd like to do something like this Some thread in my app is running a connection and listens for messages from a server. when a message arrives, my main form is registered to get an event that runs a function. From that function i'm trying to create and show the F2 type form (empty, nothing modified in it): it shows it but then it freezes my application. more exactly: public partial class Form1 : Form { public Form1() { InitializeComponent(); ConnectionManagerThread.getResponseListener().MessageReceived += Form1_OnMessageReceived; } private void Form1_OnMessageReceived(object sender, MessageEventArgs e) { Form2 f2 = new Form2(); f2.Show(); } }

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  • ETL mechanisms for MySQL to SQL Server over WAN

    - by Troy Hunt
    I’m looking for some feedback on mechanisms to batch data from MySQL Community Server 5.1.32 with an external host down to an internal SQL Server 05 Enterprise machine over VPN. The external box accumulates data throughout business hours (about 100Mb per day), which then needs to be transferred internationally across a WAN connection to an internal corporate environment before some BI work is performed. This should just be change-sets making their way down each night. I’m interested in thoughts on the ETL mechanisms people have successfully used in similar scenarios before. SSIS seems like a potential candidate; can anyone comment on the suitability for this scenario? Alternatively, other thoughts on how to do this in a cost-conscious way would be most appreciated. Thanks!

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  • Attach data to Richtext using flex, mysql and php(newbie)

    - by dmschenk
    I'm trying to attach data to a richtext field in Flashbuilder. The data is an html string in a mysql database and I'm connecting using php. The php script is just converting to XML. The connection works because I can easily dump the data to a datagrid and I can see the string. when I try to hook the data to a Richtext field I get "object CallResponder" so I am connected, but I'm not sure how to break it down so that it is just an html string for the text field. Thanks protected function creationCompleteHandler(event:FlexEvent):void { getAllAbout_fxResult.token = aboutfxService.getAllAbout_fx(); } <s:RichText x="10" y="10" text="{getAllAbout_fxResult}" creationComplete="creationCompleteHandler(event)" width="300" height="300"/>

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  • How to make an existing socket fail?

    - by Huckphin
    OK. So, this is exactly the opposite of what everyone asks about in network programming. Usually, people ask how to make a broken socket work. I, on the other hand am looking for the opposite. I currently have sockets working fine, and want them to break to re-create this problem we are seeing. I am not sure how to go about intentionally making the socket fail by having a bad read. The trick is this: The socket needs to be a working, established connection, and then it must fail for whatever reason. I'm writing this in C and the drivers are running on a Linux system. The sockets are handled by a non-IP Level 3 protocol in Linux by a Linux Device Driver. I have full access to all of the code-base, I just need to find a way to tease it out so that it can fail. Any ideas?

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  • Mysql IN clause, php array

    - by robert knobulous
    I know that this has been asked and answered before, but for the life of me I cannot find where I am going wrong. My code is below. $backa = array("1", "7", "8", "9", "12"); $backaa = implode(",", $backa); /* code to create connection object $wkHook */ $getOpt=$wkHook->prepare("select movementId, movementName from Movement where movementId IN ($backaa) order by movementName asc"); $getOpt->execute(); $getOpt->store_result($id, $name); Every time I run this I get one of two errors depending upon how I use the $backaa variable. More often than not I get a call to a non-object error indicating that $getOpt is not a proper Mysql query. I have tried every fashion of quoting, bracketing, etc for the $backaa variable but it's just not working for me. What obvious thing am I missing?

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  • CodePlex Daily Summary for Saturday, October 06, 2012

    CodePlex Daily Summary for Saturday, October 06, 2012Popular ReleasesVidCoder: 1.4.2 Beta: Added Modulus dropdown to Loose anamorphic choice. Fixed a problem where the incorrect scaling would be chosen and pick the wrong aspect ratio. Fixed issue where old window objects would stick around and continue to respond to property change events We now clear locked width/height values when switching to loose or strict anamorphic. Fixed problems with Custom Anamorphic and display width specification. Fixed text in number box incorrectly being shown in gray in some circumstances.RiP-Ripper & PG-Ripper: PG-Ripper 1.4.02: changes NEW: Added Support Big Naturals Only forum NEW: Added Setting to enable/disable "Show last download image"patterns & practices: Prism: Prism for .NET 4.5: This is a release does not include any functionality changes over Prism 4.1 Desktop. These assemblies target .NET 4.5. These assemblies also were compiled against updated dependencies: Unity 3.0 and Common Service Locator (Portable Class Library).Configuration Manager 2012 Automation: Beta Code (v0.1): Beta codeWinRT XAML Toolkit: WinRT XAML Toolkit - 1.3.2: WinRT XAML Toolkit based on the Windows 8 RTM SDK. Download the latest source from the SOURCE CODE page. For compiled version use NuGet. You can add it to your project in Visual Studio by going to View/Other Windows/Package Manager Console and entering: PM> Install-Package winrtxamltoolkit Features AsyncUI extensions Controls and control extensions Converters Debugging helpers Imaging IO helpers VisualTree helpers Samples Recent changes NOTE: Namespace changes DebugConsol...Snoop, the WPF Spy Utility: Snoop 2.8.0: Snoop 2.8.0Announcing Snoop 2.8.0! It's been exactly six months since the last release, and this one has a bunch of goodies in it. In particular, there is now a PowerShell scripting tab, compliments of Bailey Ling. With this tab, the possibilities are limitless. It basically lets you automate/script the application that you are Snooping. Bailey has a couple blog posts (one and two) on his tab already, and I am sure more is to come. Please note that if you do not have PowerShell installed, y....NET Micro Framework: .NET MF 4.3 (Beta) -- warning for SDK below: WARNING!!! There is a known issue with the SDK installer that may prevent you from installing. We are working on the issue and will update the SDK as soon as we have a fix. Thank you. This is the 4.3 Beta version of the .NET Micro Framework. Feature List for v4.3 Support for Visual Studio 2012 (including the Windows Desktop Express version) All v4.2 QFEs features and bug fixes (PWM enhancements, lwIP and network driver reliability improvements, Analog Output, WinUSB and latest GCC suppo...MCEBuddy 2.x: MCEBuddy 2.3.1: 2.3.1All new Remote Client Server architecture. Reccomended Download. The Remote Client Installation is OPTIONAL, you can extract the files from the zip archive into a local folder and run MCEBuddy.GUI directly. 2.2.15 was the last standalone release. Changelog for 2.3.1 (32bit and 64bit) 1. All remote MCEBuddy Client Server architecture (GUI runs remotely/independently from engine now) 2. Fixed bug in Audio Offset 3. Added support for remote MediaInfo (right click on file in queue to get ...D3 Loot Tracker: 1.5: Support for session upload to website. Support for theme change through general settings. Time played counter will now also display a count for days. Tome of secrets are no longer logged as items.NTCPMSG: V1.2.0.0: Allocate an identify cableid for each single connection cable. * Server can asend to specified cableid directly.Team Foundation Server Word Add-in: Version 1.0.12.0622: Welcome to the Visual Studio Team Foundation Server Word Add-in Supported Environments Microsoft Office Word 2007 and 2010 X86 (32-bit) Team Foundation Server 2010 Object Model TFS 2010, 2012 and TFS Service supported, using TFS OM / Explorer 2010. Quality-Bar Details Tool has been reviewed by Visual Studio ALM Rangers Tool has been through an independent technical and quality review All critical bugs have been resolved Known Issues / Bugs WI#43553 - The Acceptance criteria is not pu...Viva Music Player: Viva Music Player v0.6.7: Initial release.Korean String Extension for .NET: ?? ??? ??? ????(v0.2.3.0): ? ?? ?? ?? ???? - string.KExtract() ?? ???? - string.AppendJosa(...) AppendJosa(...)? ?? ???? KAppendJosa(...)? ??? ?????UMD????? - PC?: UMDEditor?????V2.7: ??:http://jianyun.org/archives/948.html =============================================================================== UMD??? ???? =============================================================================== 2.7.0 (2012-10-3) ???????“UMD???.exe”??“UMDEditor.exe” ?????????;????????,??????。??????,????! ??64????,??????????????bug ?????????????,???? ???????????????? ???????????????,??????????bug ------------------------------------------------------- ?? reg.bat ????????????。 ????,??????txt/u...Untangler: Untangler 1.0.0: Add a missing file from first releaseDirectX Tool Kit: October 2012: October 2, 2012 Added ScreenGrab module Added CreateGeoSphere for drawing a geodesic sphere Put DDSTextureLoader and WICTextureLoader into the DirectX C++ namespace Renamed project files for better naming consistency Updated WICTextureLoader for Windows 8 96bpp floating-point formats Win32 desktop projects updated to use Windows Vista (0x0600) rather than Windows 7 (0x0601) APIs Tweaked SpriteBatch.cpp to workaround ARM NEON compiler codegen bugCRM 2011 Visual Ribbon Editor: Visual Ribbon Editor (1.3.1002.3): Visual Ribbon Editor 1.3.1002.3 What's New: Multi-language support for Labels/Tooltips for custom buttons and groups Support for base language other than English (1033) Connect dialog will not require organization name for ADFS / IFD connections Automatic creation of missing labels for all provisioned languages Minor connection issues fixed Notes: Before saving the ribbon to CRM server, editor will check Ribbon XML for any missing <Title> elements inside existing <LocLabel> elements...SubExtractor: Release 1029: Feature: Added option to make i and ¡ characters movie-specific for improved OCR on Spanish subs (Special Characters tab in Options) Feature: Allow switch to Word Spacing dialog directly from Spell Check dialog Fix: Added more default word spacings for accented characters Fix: Changed Word Spacing dialog to show all OCR'd characters in current sub Fix: Removed application focus grab during OCR Fix: Tightened HD subs fuzzy logic to reduce false matches in small characters Fix: Improved Arrow k...WallSwitch: WallSwitch 1.0.6: Version 1.0.6 Changes: Added hotkeys to perform a variety of operations (next/previous image, pause, clear history, etc.) Added color effects for grayscale, sepia and intense color. Various fixes.Readable Passphrase Generator: KeePass Plugin 0.7.1: See the KeePass Plugin Step By Step Guide for instructions on how to install the plugin. Changes Built against KeePass 2.20New ProjectsBackup Mirth To TFS: You're a developer managing a handful of Mirth Connect HL7 integration servers. You want to ensure that your servers are under change control.Capability Mapping Tool: Capability Mapping Tool provides an intuitive interface to input and prepare reports about the capabilities in university programs and their development also prCRM 2011 Global Quick Search: This CRM 2011 Silverlight WebResource will facilitate User to do Quick Search on multiple CRM Entities and results will be shown on single pageDatabaseUtil: Useful database utilities. Currently only for Entity Framework 4.DevTxt Blog Engine: The blog engine I use.Distrib(uted) Processing Grid: Distrib is a simple yet powerful distributed processing system.Download Organizer: Download Organizer is a Windows service developed in C# on .NET 4 to monitor your downloads folder and move inbound files to various locations on your PC.Example for Tutorial: Lorem IpsumExternal scripts plugin for nopCommerce: This plugin allows you to add any script to any page of your nopCommerce websiteGLMET Next Generation: A user of GLMET/MLT and want to use again? This is right for YOU! A great Folder Locker just for only you!Håvard Fjær: Code I make that might be useful to others. Mostly C#, .NET, NETMF and Gadgeteer stuff. IdentifyUI - An automation tool to identify objects: IdentifyUI - An automation tool to identify objects It works only on windows operating system. It has been tested on Windows XP. iFinity Google Analytics for DotNetNuke: The iFinity Google Analytics module is a simple way to implement Google Analytics tracking for your DotNetNuke website, but also contains advanced features.Labmodel: Modelling of flow around islandMachineSLATStatusCheck: This helps to check the SLAT capability of a machine, so that it can run hyper-v client or not.OneNote HTML Export: The OneNote HTML Export tool allows HTML export of an entire OneNote notebookPreactor Power Tools: The Preactor Power Tools are a collection of tools to enhance the functionality of Preactor.qlevel: sadasdasdroucheng: C# Hello worldSBB - Serial Browser Bridge: Stelle eingehende Daten von einer seriellen Schnittstellen in einem Browser zur Verfügung.Sendine Net: - Sendine.NET ??????????? Socket ???? - ???????????????? - ????(Router)???? - ??????????(IProtocolParser) - ????(Multi-Core)?? - ????????? - ???????Service Sheet for SharePoint: Creates ServiceSheet for each employee and customer that contains the data from Microsoft Dynamics CRM 2011 in relation to the done Services by each Consultant.SharePoint Bulk Uploader: This is client SharePoint tool that can upload a bulk of files to SharePoint document library using SharePoint Client Object Model. sharepoint foundation 2013 persian language pack: SharePoint 2013 Persian Language Pack . this project started for create a language pack for SharePoint 2013 for supporting Persian Language Pack , this project SharePoint Managed Metadata Navigator: Use SharePoint Managed Metadata Navigator to browse, explore, create, update, delete, export and import MMD Groups, Termsets, and Terms for SharePoint 2010.SharePoint Site template for PRINCE2: PRINCE2 is a Project Management Guidance from UK OGC. This project aims to provide a SharePoint site template for SharePoint 2010 and SharePoint 2013Simple Code Gen: This project will generate c# generated files from SQL server databaseTiwanaku Book Builder: Web application for the development and construction of publication formats, including ePub, docBook, etc.Tris: The all new Tris 2.0 appWalkingGraph: Test

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  • Transparent proxying - how to pass socket to local server without modification?

    - by Luca Farber
    Hello, I have a program that listens on port 443 and then redirects to either an SSH or HTTPS local server depending on the detected protocol. The program does this by connecting to the local server and proxying all data back and forth through its own process. However, this causes the originating host on the local servers to be logged as localhost. Is there any way to pass the socket directly to the local server process (rather than just making a new TCP connection) so that the parameters of sockaddr_in (or sockaddr_in6) will be retained? Platform for this is Linux.

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  • Azure Diagnostics: The Bad, The Ugly, and a Better Way

    - by jasont
    If you’re a .Net web developer today, no doubt you’ve enjoyed watching Windows Azure grow up over the past couple of years. The platform has scaled, stabilized (mostly), and added on a slew of great (and sometimes overdue) features. What was once just an endpoint to host a solution, developers today have tremendous flexibility and options in the platform. Organizations are building new solutions and offerings on the platform, and others have, or are in the process of, migrating existing applications out of their own data centers into the Azure cloud. Whether new application development or migrating legacy, every development shop and IT organization needs to monitor their applications in the cloud, the same as they do on premises. Azure Diagnostics has some capabilities, but what I constantly hear from users is that it’s either (a) not enough, or (b) too cumbersome to set up. Today, Stackify is happy to announce that we fully support Azure deployments, just the same as your on-premises deployments. Let’s take a look below and compare and contrast the options. Azure Diagnostics Let’s crack open the Windows Azure documentation on Azure Diagnostics and see just how easy it is to use. The high level steps are:   Step 1: Import the Diagnostics Oh, I’ve already deployed my app without the diagnostics module. Guess I can’t do anything until I do this and re-deploy. Step 2: Configure the Diagnostics (and multiple sub-steps) Do I want it all? Or just pieces of it? Whoops, forgot to include a specific performance counter, I guess I’ll have to deploy again. Wait a minute… I have to specifically code these performance counters into my role’s OnStart() method, compile and deploy again? And query and consume it myself? Step 3: (Optional) Permanently store diagnostic data Lucky for me, Azure storage has gotten pretty cheap. But how often should I move the data into storage? I want to see real-time data, so I guess that’s out now as well. Step 4: (Optional) View stored diagnostic data Optional? Of course I want to see it. Conveniently, Microsoft recommends 3 tools to do this with. Un-conveniently, none of these are web based and they all just give you access to raw data, and very little charting or real-time intelligence. Just….. data. Nevermind that one product seems to have gotten stale since a recent acquisition, and doesn’t even have screenshots!   So, let’s summarize: lots of diagnostics data is available, but think realistically. Think Dev Ops. What happens when you are in the middle of a major production performance issue and you don’t have the diagnostics you need? You are redeploying an application (and thankfully you have a great branching strategy, so you feel perfectly safe just willy-nilly launching code into prod, don’t you?) to get data, then shipping it to storage, and then digging through that data to find a needle in a haystack. Would you like to be able to troubleshoot a performance issue in the middle of the night, or on a weekend, from your iPad or home computer’s web browser? Forget it: the best you get is this spark line in the Azure portal. If it’s real pointy, you probably have an issue; but since there is no alert based on a threshold your customers have likely already let you know. And high CPU, Memory, I/O, or Network doesn’t tell you anything about where the problem is. The Better Way – Stackify Stackify supports application and server monitoring in real time, all through a great web interface. All of the things that Azure Diagnostics provides, Stackify provides for your on-premises deployments, and you don’t need to know ahead of time that you’ll need it. It’s always there, it’s always on. Azure deployments are essentially no different than on-premises. It’s a Windows Server (or Linux) in the cloud. It’s behind a different firewall than your corporate servers. That’s it. Stackify can provide the same powerful tools to your Azure deployments in two simple steps. Step 1 Add a startup task to your web or worker role and deploy. If you can’t deploy and need it right now, no worries! Remote Desktop to the Azure instance and you can execute a Powershell script to download / install Stackify.   Step 2 Log in to your account at www.stackify.com and begin monitoring as much as you want, as often as you want and see the results instantly. WMI? It’s there Event Viewer? You’ve got it. File System Access? Yes, please! Would love to make sure my web.config is correct.   IIS / App Pool Info? Yep. You can even restart it. Running Services? All of them. Start and Stop them to your heart’s content. SQL Database access? You bet’cha. Alerts and Notification? Of course! You should know before your customers let you know. … and so much more.   Conclusion Microsoft has shown, consistently, that they love developers, developers, developers. What every developer needs to realize from this is that they’ve given you a canvas, which is exactly what Azure is. It’s great infrastructure that is readily available, easy to manage, and fairly cost effective. However, the tooling is your responsibility. What you get, at best, is bare bones. App and server diagnostics should be available when you need them. While we, as developers, try to plan for and think of everything ahead of time, there will come times where we need to get data that just isn’t available. And having to go through a lot of cumbersome steps to get that data, and then have to find a friendlier way to consume it…. well, that just doesn’t make a lot of sense to me. I’d rather spend my time writing and developing features and completing bug fixes for my applications, than to be writing code to monitor and diagnose.

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  • Cannot connect to *.dbf file through JDBC drivers

    - by leodali
    i'm trying to connect to *.dbf (dBase III) file on my Java application, running on a Windows Server 2003 system. I'm encountering this error and I cannot really understand the meaning (sources for OdbcJdbc.java seems to be unavailable): [Microsoft][ODBC dBase driver] '(unknown)' is not a valid path error Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); String database = "jdbc:odbc:DRIVER={Microsoft dBase Driver(*.dbf)};DBQ=D:\\dbNeri\\CARISTAT;"; Connection conn = DriverManager.getConnection(database); Statement s = conn.createStatement(); String selTable = "SELECT * FROM CARISTAT"; Does it exists a JDBC driver able to connect to dBase files or do I have to import external libraries to do the magic? Thanks in advance for your help!

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  • Perl: catch error without die

    - by Pmarcoen
    I'm playing around with error handling and got a little problem. I connect with a database using the DBI module. I do my own error handling by using a subroutine that I call upon an error. I can catch my own dies and handle them just fine but when my database connection fails, the DBI module apparently prints out it's own die : DBI connect(...) failed: ORA-12154: TNS:could not resolve the connect identifier specified (DBD ERROR: OCIServerAttach) at ... How would I go about catching this ? I tried using $SIG{DIE} like so : local $SIG{__DIE__} = sub { my $e = shift; print "Error: " .$e; }; This is on the bottom of my main file, in this file I also call the connect subroutine that is available in a module of my own. I also tried putting this piece of code on the bottom of my module but it still prints the error without the "Error:" in front of it.

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  • Working in consulting company

    - by MichaelT
    I working for some numbers of years in an medium size ecomerce company where we developing and maintaining large distributed ecomerce system that is a core of company business. I thinking to switch job and one of the offers is in consulting company, the model of work there is different you suppose to work for couple of months at different clients of this company developing different project, this mode of working is very different for me and I don't sure if I will like it. From the positive side I will get experience in a lot of different projects in very different problem domains and with a lot of different technologies. From the negative side, I will always be an outsider in all this companies, placed in some far away corner I probably will have little emotional connection to projects I suppose to work on. Do you have some personal experience working in both of this types of companies that you could share ?

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  • svn over HTTP proxy

    - by small_jam
    Hi all. I'm on laptop (Ubuntu) with a network that use HTTP proxy (only http connections allowed). When I use svn up for url like 'http://.....' everything is cool (google chrome repository works perfect), but right now I need to svn up from server with 'svn://....' and I see connection refused. I've set proxy configuration in /etc/subversion/servers but it doesn't help. Anyone have opinion/solution? Thanks. Anton.

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  • How to setup fluent nhibernate to work with Fitnesse

    - by Toran Billups
    I'm currently using fluent nhibernate and can't seem to get the configuration to work when using Fitnesse. For starters I have a FitServer.exe.config that looks like the below <?xml version="1.0" encoding="utf-8" ?> <configuration> <appSettings file='C:\projectpath\web.config' /> </configuration> Then inside my web.config I have a connection string defined But will Fitnesse work when I use the following config? (using the ConnectionString config) private static ISessionFactory CreateSessionFactory() { var cfg = Fluently.Configure() .Database(MsSqlConfiguration.MsSql2005.ConnectionString(c => c.FromConnectionStringWithKey("Local"))) .Mappings(m => m.FluentMappings.AddFromAssembly(Assembly.GetExecutingAssembly())) .ExposeConfiguration(x => x.SetProperty("current_session_context_class", "thread")); return cfg.BuildSessionFactory(); }

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  • Threading in C#

    - by Lalit Dhake
    Hi, I have console application. In that i have some process that fetch the data from database through different layers ( business and Data access). and generate outputs. This process will execute many times say 10 times. Ok? I want to run simultaneously this process. not one will start, it will finish and then second will start. I want after starting 1'st process, just 2'nd , 3rd....10'th must be start. Means it should be multithreading. how can i achieve this ? is that will give me error while connection with data base open and close ?

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  • setsockopt TCP_NODELAY question on Windows Mobile

    - by weki
    Hi all, I have a problem on Windows Mobile 6.0. I would like to create a TCP connection which does not use the Nagle algorithm, so it sends my data when I call "send" function, and does not buffer calls, having too small amount of data. I tried the following: BOOL b = TRUE; setsockopt(socketfd, IPPROTO_TCP, TCP_NODELAY, (char*)(&b), sizeof(BOOL)); It works fine on desktop. But on Windows Mobile, if I set this value, than I make a query for it, the returned value is 8. And the network traffic analysis shows that the nothing changed. Is there any way to force a flush to my socket?

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  • javax.sql.DataSource.getConnection() locks system

    - by Ryan Elkins
    I'm using the Apache Commons DBCP library for connection pooling in a desktop application. I've done this before and never had a problem but the latest application has started sometimes locking up on the call to getConnection() on my DataSource. The application just hangs after that call. I'm closing up my resources when I'm done with them. Is there any known reason why this might happen? I'm not even sure where to being troubleshooting this now that I've got it narrowed down to this method. It doesn't always hang - sometimes it happens fairly quickly, sometimes it takes a long time. Sometimes it doesn't happen at all, although lately I can get it to happen within a few minutes.

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  • Apache Cassandra overwhelming bandwidth overhead

    - by tanyehzheng
    while testing Apache Cassandra, I inserted 1000 rows of data. I allow it to propagate to the other machine on LAN. This is a 2 machine cluster. I monitor the network connection between the two machine. The total data I expected to flow between the two servers should be around 25Mb including all column names, column values and timestamps). But the actual data sent and received between them was an whopping 362Mb!! Anybody knows why is there such an overwhelming overhead? Thank you

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  • How to measure the time HTTP requests spend sitting in the accept-queue?

    - by David Jones
    I am using Apache2 on Ubuntu 9.10, and I am trying to tune my configuration for a web application to reduce latency of responses to HTTP requests. During a moderately heavy load on my small server, there are 24 apache2 processes handling requests. Additional requests get queued. Using "netstat", I see 24 connections are ESTABLISHED and 125 connections are TIME_WAIT. I am trying to figure out if that is considered a reasonable backlog. Most requests get serviced in a fraction of a second, so I am assuming requests move through the accept-queue fairly quickly, probably within 1 or 2 seconds, but I would like to be more certain. Can anyone recommend an easy way to measure the time an HTTP request sits in the accept-queue? The suggestions I have come across so far seem to start the clock after the apache2 worker accepts the connection. I'm trying to quantify the accept-queue delay before that. thanks in advance, David Jones

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  • How to catch prompts with PySVN?

    - by Geoff
    I'm new to Python and PySVN in general, and I'm trying to export my SVN repository using pysvn. Here's my code: #set up svn login data def svn_credentials (realm, username, may_save): return True, svn_login_name, svn_login_password, False #establish connection svn_client = pysvn.Client () svn_client.callback_get_login = svn_credentials #export data svn_client.export('server-path-goes-here', 'client-path-goes-here', force=True Which works fine, but if the password is wrong or the user name is unknown, this code just sits. I believe it's being presented with a user login prompt on the SVN side, but I'm at a loss as to how to check whats happening with callback_get_login. Any help would be greatly appreciated.

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  • Makecert problem under Windows 7

    - by TimK
    I'm creating a certificate to use with an SslStream, and I've been doing it this way under XP: makecert -r -pe -n "CN=aName" -ss my -sr localmachine -sky exchange -sp "Microsoft RSA SChannel Cryptographic Provider" -sy 12 server.cer If I understand this correctly, this creates a certificate in server.cer, and creates a private key for it in my personal certificate store. Once I have done this, I can create a certificate object like this: X509Certificate.CreateFromCertFile(certFile); I then use it with the SSLStream, and everything works fine. Now that I have switched to Windows 7, the private key seems to be disappearing every time I restart the machine. I run a command prompt as Administrator, and execute the same makecert command shown above. This succeeds and the SSL connection works correctly. If I restart the machine, the call to AuthenticateAsServer fails with the exception "The server mode SSL must use a certificate with the associated private key." Why is the private key disappearing? What do I need to do to make it stick around?

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  • GWT with spring security not working on app engine live server.

    - by bedanand
    I configured gwt with spring and spring security that works fine on local development server on google app engine. I deployed to the appspot but there it shows critical error when i see on the log. and on the browser side shows 500 server error. log error Uncaught exception from servlet javax.servlet.UnavailableException: Initialization failed. at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.createHandler(AppVersionHandlerMap.java:200) at com.google.apphosting.runtime.jetty.AppVersionHandlerMap.getHandler(AppVersionHandlerMap.java:168) at com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:123) at com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:243) at com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5838) at com.google.apphosting.base.RuntimePb$EvaluationRuntime$6.handleBlockingRequest(RuntimePb.java:5836) at com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:24) at com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:398) at com.google.net.rpc.impl.Server$2.run(Server.java:852) at com.google.tracing.LocalTraceSpanRunnable.run(LocalTraceSpanRunnable.java:56) at com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan(LocalTraceSpanBuilder.java:576) at com.google.net.rpc.impl.Server.startRpc(Server.java:807) at com.google.net.rpc.impl.Server.processRequest(Server.java:369) at com.google.net.rpc.impl.ServerConnection.messageReceived(ServerConnection.java:442) at com.google.net.rpc.impl.RpcConnection.parseMessages(RpcConnection.java:319) at com.google.net.rpc.impl.RpcConnection.dataReceived(RpcConnection.java:290) at com.google.net.async.Connection.handleReadEvent(Connection.java:474) at com.google.net.async.EventDispatcher.processNetworkEvents(EventDispatcher.java:831) at com.google.net.async.EventDispatcher.internalLoop(EventDispatcher.java:207) at com.google.net.async.EventDispatcher.loop(EventDispatcher.java:103) at com.google.net.rpc.RpcService.runUntilServerShutdown(RpcService.java:251) at com.google.apphosting.runtime.JavaRuntime$RpcRunnable.run(JavaRuntime.java:404) at java.lang.Thread.run(Unknown Source) web.xml <web-app> <servlet> <servlet-name>dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcher</servlet-name> <url-pattern>*.rpc</url-pattern> </servlet-mapping> <filter> <filter-name>springSecurityFilterChain</filter-name> <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class> </filter> <filter-mapping> <filter-name>springSecurityFilterChain</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- Default page to serve --> <welcome-file-list> <welcome-file>PushUrl.html</welcome-file> </welcome-file-list> </web-app> appengine-web.xml <application>pushurl</application> <version>1</version> <!-- Configure java.util.logging --> <system-properties> <property name="java.util.logging.config.file" value="WEB-INF/logging.properties"/> </system-properties> <sessions-enabled>true</sessions-enabled> applicationContext.xml <security:http auto-config="true"> <security:intercept-url pattern="/**/users.rpc" access="ROLE_USER"/> <security:intercept-url pattern="/**/categories.rpc" access="ROLE_ADMIN"/> <security:intercept-url pattern="/css/**" filters="none"/> <security:intercept-url pattern="/login.jsp*" filters="none"/> <security:form-login login-page='/login.jsp' /> </security:http> <security:authentication-manager> <security:authentication-provider> <security:user-service> <security:user name="jimi" password="jimi" authorities="ROLE_USER, ROLE_ADMIN" /> <security:user name="bob" password="bob" authorities="ROLE_USER" /> </security:user-service> </security:authentication-provider> </security:authentication-manager> dispatcher-servlet.xml <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"> <property name="mappings"> <value> /**/users.rpc=userService /**/categories.rpc=categoryService </value> </property> </bean> <bean id="userController" class="com.beda.pushurl.server.GwtRpcController"> <property name="remoteService" ref="userService"> </property> </bean> <bean id="userService" class="com.beda.pushurl.server.UserServiceImpl" > <property name="userDAO" ref="myUserDAO"></property> </bean> <bean id="categoryService" class="com.beda.pushurl.server.CategoryServiceImpl"> <property name="categoryDAO" ref="myCategoryDAO"></property> </bean> <bean id="myUserDAO" class="com.beda.pushurl.server.dao.UserDAOImpl"> </bean> <bean id="myCategoryDAO" class="com.beda.pushurl.server.dao.CategoryDAOImpl"> </bean>

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  • sql server 2008 express one row write problem

    - by bojanskr
    Hi everyone, I have the most bizarre problem(at least it is bizarre to me) with MSSQL Server Express 2008. The problem is the following: On the development machine I use MS SQL Server 2008 Enterprise....I get some data from a WCF service and write that data to the db (simple as it can be)....I should point out however that the writing, it is done in a separate thread. BUt, anyway no problems during development...all the data is there. Then I set everything up(connection strings .\SQLEXPRESS, other settings) build in Release and copy that to a test machine that has MS SQL Server Express installed(because my application is a client application and it should work with Express)...I run the program....the program retrieves the data from the service...and when I look at the database...I'm in for a big suprise...there's only one row written(the first row received from the WCF service). I would really appreciate any help...I'm in a deadlock here. Thanks in advance. Bojan

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  • SQL CE not loading from network share

    - by David Veeneman
    I installed VS 2010 RC yesterday, and suddenly, SQL Server CE isn't loading files from a network share. In projects compiled with VS 2008, if I try to open a SQL CE file located on a network share, I get an error that reads like this: Internal error: Cannot open the shared memory region. If I try to create a data connection in VS 2010 to a SQL CE file on a network share, I get this error: SQL Server Compact does not support opening database files on a network share. Can anyone shed any light on what's going on? Thanks.

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  • Java basic authorization with URLConnection

    - by zigomir
    Hello! I'm opening a connection to WebService with an URLConnection class. I also set request property for basic authorization like this: c.setRequestProperty("Authorization", "Basic " + usernameAndPasswordEncoded); Where c is an object of type URLConnection. So this is client side of WebService call. Now on server side I need to get username from session: User user = (User) request.getSession().getAttribute("user"); But this won't get an username. Also if I look through debug mode, I see an anonymous userName in HttpSession object. What to do to solve this problem, so that username is sent through client to WebService server for authorization? Thanks everyone!

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