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• Raw socket implementation in windows?

  - by krishnakumar

  I need to create TCP/IP headers manually for my application. For that i used Raw socket. My system os is win xp (SP3). My code compiles fine :) but it throws a run time error: Initialising Winsock...Initialised successfully. Creating Raw TCP Socket...Raw TCP Socket Created successfully. Setting the socket in RAW mode...Successful. Enter hostname : 192.168.1.152 Resolving Hostname...Resolved. Enter Source IP : 192.168.1.151 Sending packet... Error sending Packet : 10022 I have set IP_HDRINCL to 1. What am i doing wrong? I switched off the firewall too but still get the same result.

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• wsFederationHttpBinding over net.tcp

  - by CodeChef

  I have services that use net.tcp bindings (both streaming and buffered endpoints.) I'd like to add WIF federated security to those services, while continuing to use net.tcp bindings. I've tried to create custom bindings, but so far have been unsuccessful. Below is the general architecture that I'm attempting. I'm looking for the correct binding configuration to make this work. Client - WPF Application Relying party - WCF Service with net.tcp endpoints STS - WCF Service with http(s) endpoint

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• How to handle Windows Events in JAVA

  - by prasad

  I'd like to ask another question how to handle Windows' events in Java. To be specific, I'd like to know how to handle events such as mouse moved or mouse clicked in Windows XP and Vista. I want to wire my own custom behavior in my application to these events, even when my application is inactive or otherwise hidden. All help is appreciated!

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• jQuery selector loads images from server

  - by Guillaume

  Hi! here is the code: <script type="text/javascript"> var ajax_data = '<ul id="b-cmu-rgt-list-videos"><li><a href="{video.url}" '+ 'title="{video.title.strip}"><img src="{video.image}" '+ 'alt="{video.title.strip}" /><span>{video.title}</span></a></li></ul>'; var my_img = $(ajax_data).find('img'); </script>` ajax_data is data from a JS template engine where I need to get some part of it. The problem is that jQuery does a GET on the img src={video.image}: GET /test/%7Bvideo.image%7D HTTP/1.1 (on Firefox Live HTTP headers). This GET generates a 404 from the server. Any clues on how to solve this? Thanks a lot :)

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• How can I invoke linux programs from C#/Mono?

  - by Thiado de Arruda

  I've been using MonoDevelop and Make to execute some build taks on a C project under linux, but I decided to abandon Make and switch to NAnt since I am more proficient in writing C# programs than Make/shell scripts, so I decided to write a custom NAnt task in C# to replace my Makefile. So, how can I invoke GCC or other shell commands from C#?

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• MongoDB lists with paginations?

  - by Timmy

  for documents with lists with pagination, is it better to embed or use reference? im reading the custom type "SONManipulator" and it appears to transform every thing on retrieval, even the sub docs. i want to keep the list in the document sorted, should this impact anything?

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• LineSeries AreaSeries on AreaChart, How do i get the intersection point?

  - by satish

  I am plotting an AreaSeries and a LineSeries on a AreaChart using Flex 3 in built chart components. I want to code a custom item renderer for LineSeries to be shown at the intersection points where LineSeries crosses AreaSeries.

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• Is there a simple script to convert C++ enum to string?

  - by Edu Felipe

  Suppose we have some named enums: enum MyEnum { FOO, BAR = 0x50 }; What I googled for is a script (any language) that scans all the headers in my project and generates a header with one function per enum. char* enum_to_string(MyEnum t); And a implementation with something like this: char* enum_to_string(MyEnum t){ switch(t){ case FOO: return "FOO"; case BAR: return "BAR"; default: return "INVALID ENUM"; } } The gotcha is really with typedefed enums, and unnamed C style enums. Does anybody know something for this? EDIT: The solution should not modify my source, except for the generated functions. The enums are in an API, so using the solutions proposed until now is just not an option.

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• Sharepoint Workflow task with title (external participant)

  - by Mina Samy

  Hi all I made a custom sharepoint workflow with Visual studio, the workflow starts when a new item is inserted in a list I assigned the title of the task to reference a field in the new item TaskProps.Title = "Please prepare Hardware for project " + workflowProperties.Item["Contract"].ToString().Split('#')[1]; the task title is correct but i find the string (exteranl participant) concatenated the title of the task what can be the reason for this ? thanks

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• Overllaping view elements

  - by rantravee

  Hi, Here's the problem I'm facing : I've got a custom slider that controlls the volume and a label "volume" that I combine together in a liniar Layout to obtain a volume control setting. In the emulator and on a G1 phone these look pretty ok , however , when put on a Xperia mini the label and the slider overlap . What should I do obtain a decent view independent of the device the application runs ?

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• Pass a value from child to parent in Silverlight

  - by tony

  Hello, I am working on Silverlight project. I added a custom user control (Say, control1) which has a text box and button to a xaml page (Say, Page1). Now what I want to do is when users clicks on the button, i want to pass the value in the textbox to Page1 and do something. So basically, I am looking for a way to pass back a value from child to parent page in Silverlight. Thank you.

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• Drag and Drop ListBox for WPF

  - by drasto

  I'm looking for just a simple ListBox with build-in Drag & Drop. I think that Silverlite 4 Toolkit has something like that. The BoxList should be able to: reorder by draging & droping items drag item from one BoxList to another display preview (ghost version) of dragged item show drop location (like a line between items where the dragged will be inserted) I hope there is some solution from microsoft (in toolkit for example), but if not I all be happy with any working solution. For example I wander what control was used in DataGrid column headers reordering (by draging and droping them) implementation. Thank you for any suggestions

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• Accessing RequestContext from with my MembershipProvider

  - by ScottSEA

  Is there an easier/better way to access the RequestContext from within a custom Membership Provider than the following (and further, will this method even work): private static RequestContext GetRequestContext() { HttpContextBase contextBase = new HttpContextWrapper(HttpContext.Current); return new RequestContext( contextBase, RouteTable.Routes.GetRouteData(contextBase)); }

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• How do I use google API within perl CGI script?

  - by stephenmm

  The google API example shows that you should have the javascript within the head tag but I am using perl module CGI and in there they suggest that you use "print header;" instead of writting out your headers explicitly. So if I want to use the perl CGI module and the google API javascript what is the correct way to do this? I tried writing out the header explicitly but It seemed like the perl module really wanted me to use the header method. It seems like this would be a common use case but I looked around the web for some examples of this and I could not find one. Any help would be appreciated.

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• Redirect based on referer's url

  - by steve

  I am trying to redirect visitors to a site based on their referring url. Here is the script: php $domain='blankds.com'; $referrer=$_SERVER['HTTP_REFERER']; echo $referrer; if (preg_match("/$domain/",$referrer)) { header('Location: http://www.blackisgreen.org/page_1.php'); } else { header('Location: http://www.blackisgreen.org/page_2.php'); }; Errors: I get a "Warning: cannot modify header" error because I am echoing $referrer before sending headers. If I remove the echo the script does not work. Any suggestions?

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• HTML Canvas and saving the data on the server

  - by snitko

  Say I've written a simple app that draws circles in browser. Now I'd like to let people save their pictures. How would I store the data on the server? Which format would be the best option? Should I simply store the relevant html? What would be the case when I would want to make a custom format that is stored on the server and parsed back to html canvas when loaded?

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• Best way to generate a soap xml message?

  - by code4life

  What is the best way to generate soap xml in c#? I prefer to use xml-serialization if possible. Also, I need to add some custom attributes to the soap header, so not sure if this complicates things.

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• Sharepoint, error on adding a webpart to a totally new page.

  - by user569913

  I have a problem on adding a webpart to sharepoint page. I have a blank page in the sharepoint, and I have a custom control uploaded to the site, on adding the webpart the the sharepoint page I get the following error: "Attempted to use an object that has ceased to exist. (Exception from HRESULT: 0x80030102 (STG_E_REVERTED))" I get that error even if the sharepoint page is totally blank and so is the web part.

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• Android hosts file usage

  - by dominos

  I have the following problem: I make a custom hosts file to test some features of my application and then push it to my android emulator. The thing is that these settings do not take effect immediately. I have to wait about 10 minutes before they become active. So my question is: how to make the new hosts file active instantly? I have many different settings to test and I can't wait 10 minutes every time.

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• How is the default constructor of System.Drawing.Graphics removed?

  - by Albert Iordache

  When I try to create an object of Graphics, why doesn't the following work? System.Drawing.Graphics graphicsObj = new System.Drawing.Graphics(); (I am aware that I could create a private System.Windows.Forms.Panel Obj; and then do CreateGraphics() if I wanted it to work) I tried to find a custom constructor for Graphics, but I couldn't find one. Where did Microsoft define it, or how did it block it?

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• HttpTunneling a TCPClient application

  - by user360116

  We have a custom chat application(c#) which uses TCPClient. We are having problem on clients who are behind Firewall or proxy. We know that these client can browse the internet without a problem so we decided to change our TCPClient application so that It uses HTTP messages to communicate. Will it be enough just to wrap our text massages with standard HTML tags and HTTP headers? We need a long lasting connection. Does keep-alive have a limit? Do firewalls or proxies have time limits for "alive" connections.

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• Documenting auto-generated code

  - by Diadistis

  Hello, I use code-generation for my data access layer and Doxygen for documentation. My problem is that I can't add Xml comments on the generated classes since they will be overwritten as soon as I re-generate the code. To be more precise I can add Xml comments to my custom methods (which are in a separate file as partial classes) but I can't do it on data properties. Any suggestions?

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• Does Google appengine cache external requests?

  - by Andy Hume

  I have a very simple application running on appengine that requests a web page every five minutes and parses for a specific piece of data. Everything works fine except that the response I get back from the external request (using urllib2) doesn't reflect the latest changes to the page. Sometimes it takes a few minutes to get the latest, sometimes over an hour. Is there a transparent layer of caching that appengine puts in place? Or is there something else I am missing here? I've looked at the caching headers of the requested page and there is no Expires or LastModified's sent. Update: Sometimes, it will get the new version of the page for a number of requests and then randomly later get an old out of date version.

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• DATA command hangs

  - by Tharban

  Hello, what can i do, if a Mailserver accepts a connection but does not return any data? The default javax.mail implementation just hangs indefinitley. Event setting the smtp.timeout does not help - it still hangs. I even tried to set a custom SocketFactory to set the sotimeouts and solinger directly, but it still hangs. Somehow the socket does get kept alive? But how? Thx for any ideas! Ciao, Nils

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• mysql join on two indexes takes long time!!

  - by Alaa

  Hi All I have a custom query in dripal, this query is: select count(distinct B.src) from node A, url_alias B where concat('node/',A.nid)= B.src; now, nid in node is primary key and i have made src as an index in url_alias table. after waiting for more than a minute i got this: +-----------------------+ | count(distinct B.src) | +-----------------------+ | 325715 | +-----------------------+ 1 row in set (1 min 24.37 sec) now my question is: why did this query take this long, and how to optimize it?? Thanks for your help

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