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  • Easy way to view images in a database

    - by Vaccano
    I have a web service that I just coded up that drops an image (png) into my SQL Server 2008 database as a varbinary. Is there a easy tool out there that can let me see that image? I could code up a client, but I would rather just use a tool if one exists.

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  • Node.js A Good authentication module ? or whats the proper way to authenticate users?

    - by Mohamed Ahmed
    I'm learning Node.js and looking forward to create a simple web application which will be based on Express and I was thinking of something like creating user groups and each group has its own users and each group has its own permissions (Just like ACL in Cakephp) So can anyone recommend a good module or whatever to do so ? Also I'm a little curious about security and how these passwords are going to be saved and what type of encryption the passwords will be encrypted in. Thanks :)

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  • Learn Silverlight or WPF first?

    - by Phil Wright
    It seems that Silverlight/WPF are the long term future for user interface development with .NET. This is great because as I can see the advantage of reusing XAML skills on both the client and web development sides. But looking at WPF/XAML/Silverlight they seem very large technologies and so where is the best place to get start? I would like to hear from anyone who has good knowledge of both and can recommend which is a better starting point and why.

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  • Execution plan issue requires reset on SQL Server 2005, how to determine cause?

    - by Tony Brandner
    We have a web application that delivers training to thousands of corporate students running on top of SQL Server 2005. Recently, we started seeing that a single specific query in the application went from 1 second to about 30 seconds in terms of execution time. The application started throwing timeouts in that area. Our first thought was that we may have incorrect indexes, so we reviewed the tables and indexes. However, similar queries elsewhere in the application also run quickly. Reviewing the indexes showed us that they were configured as expected. We were able to narrow it down to a single query, not a stored procedure. Running this query in SQL Studio also runs quickly. We tried running the application in a different server environment. So a different web server with the same query, parameters and database. The query still ran slow. The query is a fairly large one related to determining a student's current list of training. It includes joins and left joins on a dozen tables and subqueries. A few of the tables are fairly large (hundreds of thousands of rows) and some of the other tables are small lookup tables. The query uses a grouping clause and a few where conditions. A few of the tables are quite active and the contents change often but the volume of added rows doesn't seem extreme. These symptoms led us to consider the execution plan. First off, as soon as we reset the execution plan cache with the SQL command 'DBCC FREEPROCCACHE', the problem went away. Unfortunately, the problem started to reoccur within a few days. The problem has continued to plague us for awhile now. It's usually the same query, but we did appear to see the problem occur in another single query recently. It happens enough to be a nuisance. We're having a heck of a time trying to fix it since we can't reproduce it in any other environment other than production. I have downloaded the High Availability guide from Red Gate and I read up more on execution plans. I hope to run the profiler on the live server, but I'm a bit concerned about impact. I would like to ask - what is the best way to figure out what is triggering this problem? Has anyone else seen this same issue?

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  • Connecting to a fresh SQL Server installation

    - by ripper234
    I know mysql, and I'd like to learn sqlserver. I'm currently stuck on the basics of basics: How to install and configure sql server How to connect to it I installed Sql Server through Web Platform Installer, and have Visual Studio 2008 installed. Still, I can't understand how to connect to my server: I see that the SQL service itself (SQLEXPRESS) is running in both in services.msc and Sql Server Configuration Manager I try to connect to it via the Management Studio, but I don't understand what to do. Where do I begin?

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  • The ultimate browser testing machine...

    - by Mazzi
    Hi All, What would be the ultimate web application browser compatibility test machine be? The testing environment would be (XP: IE6,FF3.6), (XP: IE7,Chrome), (XP: IE8,Safari), (MacOsX: Safari, FF3.6, Chrome), (Ubuntu: FF3.6, Chrome) Of course I want it all in one machine, my initial thought was Using a MacOsX as a host machine and use virtual box to install 3 xp and one ubuntu on it. Do you think it is an optimal solution? Do you have any better solution to achieve the above?

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  • SOA, unobtrusive JavaScript

    - by csetzkorn
    Hi, Let us say I have a restful web service which can deal with DTOs in json format to perform a CRUD operation. Let us also say I use jquery in an unobtrusive way to serialise my form at the frontend using: JSON.stringify What can I do to ensure that everything works even if JavaScript is switched off? Thanks. Best wishes, Christian

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  • GDI+ Resize Function

    - by Tyler
    So my logic is flawed and I need a better and correct way to resize an image in my c# app I need a function similar to this setup public void ResizeImageForWeb(string OriginalFile, string NewFile, int MaxWidth, int MaxHeight, int Quality) { // Resize Code } Basically, I'm a web designer lost trying to programming a desktop app.

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  • debug=true in .svc file?

    - by JohnW
    Our WCF svc files contain the following: <%@ ServiceHost Service="Foo" Factory="Bar" Language="C#" Debug="true" %> What does debug=true mean in this case? web.config has debug=false, but I don't know what this one means and can't find a reference on MSDN.

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  • ModalPopupExtender with thmbnail and full size image

    - by arny
    Hi There, let me rewrite my question, I have a Ajax Accordion in my web site, Users can add images, in Accordion,I keep the thumbnail and fullsize image's path in Sql Server table, Users can see the thumbnail, and when they click the thumbnail, I use a ModalPopupExtender that open an asp panel to show the full size image, with progress image or preload bar What is the best way to achieve this? Thanks in advance

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  • Stateless NHibernate for querying

    - by JontyMC
    We have a database that is updated via a background process. We are using NHibernate to query the data for display on the web UI, so we don't need change tracking or lazy-loading. If we mark all the mappings as mutable="false", is this the same as using a stateless session?

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  • Allowed characters in linux environment variable names

    - by Christian Semrau
    What characters are allowed in linux environment variable names? My cursory search of man pages and the web did only produce information about how to work with variables, but not which names are allowed. I have a Java program that requires an defined environment variable containing a dot, like com.example.fancyproperty. With Windows I can set that variable, but I had no luck setting it in linux (tried in SuSE and Ubuntu). Is that variable name even allowed?

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  • ASP.NET Hosting and routing

    - by V-Man
    Is it possible to host 2 asp.net projects off one ip address? I don't have a domain name just an ip number. I'm running IIS7. The first project runs and displays fine over the web by simply typing in the ip address into the browser but I'm having trouble accessing the second. Currently both projects have virtual directories in IIS7. Help is greatly appreciated. Thx

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  • How do I create a simple video effect filter for DirectShow or DMO?

    - by Ole Jak
    How do I create a simple video effect filter for DirectShow or DMO? What I need is simple - a tutorial or tutorials on how to create simple filter (like a brightness/contrast adjustment filter or any other pixel-per-pixel kind of filter) for filtering Direct Show Video astream (so I want to have a graph like "my Web Kamera" - "My photoshop like filter" - "rendering (or saving to file)".

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  • JPA Is there a way to do something like SELECT <field>, count(*) FROM <table> GROUP BY <field>

    - by javydreamercsw
    I've been looking in the web for examples on the aggregates like count but it seems all of them are using the aggregate alone. SELECT field, count(*) FROM table GROUP BY field Should have something like: field.value1, x1 field.value2, x2 .... I'm looking for a pure JPA answer for this one. If not I guess I can then do further queries just for the count part but that seems unefficient. Any ideas?

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  • Free java or flash file browser for photogallery

    - by Christian
    Hi. I'm about to develop a small web gallery, where it's supposed to be possible to upload several pictures at a time and then add some info abut the pictures.So I need a free java or flash local file browser that can pass me some info of the pictures that gets uploaded so that I can create some SQL entries for each picture. The platform for the project will be PHP and MySQL. Any good recommendations?

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  • choosing an image locally from http url and serving that image without a server round trip

    - by serverman
    Hi folks I am a complete novice to Flash (never created anything in flash). I am quite familiar with web applications (J2EE based) and have a reasonable expertise in Javascript. Here is my requirement. I want the user to select (via an html form) an image. Normally in the post, this image would be sent to server and may be stored there to be served later. I do not want that. I want to store this image locally and then serve it via HTTP to the user. So, the flow is: 1. Go to the "select image url":mywebsite.com/selectImage Browse the image and select the image This would transfer control locally to some code running on the client (Javascript or flash), which would then store the image locally at some place on the client machine. Go to the "show image url": mywebsite.com/showImage This would eventually result in some client code running on the browser that retrieves the image and renders it (without any server round trips.) I considered the following options: Use HTML5 local storage. Since I am a complete novice to flash, I looked into this. I found that it is fairly straightforward to store and retrieve images in javascript (only strings are allowed but I am hoping storing base64 encoded strings would work at least for small images). However, how do I serve the image via http url that points to my server without a server round trip? I saw the interesting article at http://hacks.mozilla.org/category/fileapi/ but that would work only in firefox and I need to work on all latest browsers (at least the ones supporting HTML5 local storage) Use flash SharedObjects. OK, this would have been good - the only thing is I am not sure where to start. Snippets of actionscripts to do this are scattered everywhere but I do not know how to use those scripts in an actual html page:) I do not need to create any movies or anything - just need to store an image and serve it locally. If I go this route, I would also use it to store other "strings" locally. If you suggest this, please give me the exact steps (could be pointers to other web sites) on how to do this. I would like to avoid paying for any flash development environment software ideally:) Thank you!

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  • PHP file_get_contents() behaves differently to browser.

    - by DaveG
    I'm trying to download the contents of a web page using PHP. When I issue the command: $f = file_get_contents("http://mobile.mybustracker.co.uk/mobile.php?searchMode=2"); It returns a page that reports that the server is down. Yet when I paste the same URL into my browser I get the expected page. Does anyone have any idea what's causing this? Does file_get_contents transmit any headers that differentiate it from a browser request?

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  • ASP.net Associate session with client/request based on ip

    - by ase69s
    In one web page we use a flash upload control but becouse a flash bug in the upload event the session is lost as its posted back with a new session. We have tought of using a table with ip and old session id or a query string with the old session id in order to reassing it in the uploaded event... Knowing the old session id how can i reassign it to the client? (In C#)

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  • How do you modify the data returned from an AJAX call before it is rendered in the jqGrid?

    - by GiddyUpHorsey
    I'm trying to modify the data returned from an AJAX call before jqGrid 3.7.2 renders it. I've tried hooking into the loadComplete event but when I modify the data it appears to be after it has already rendered. I've also tried hooking into the success event on the ajaxGridOptions field of options but that seems to totally override the event and jqGrid doesn't render the data. How can I modify the data returned from a web service call before jqGrid renders it?

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