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• understanding silverlight resource file format

  - by Quincy

  I'm trying to understand the format of silverlight resource files. There are 4 bytes of the data comes after PAD. I'd like to know what these values are, and how they are generated. here is the hex dump of a .g.resources file. Here is what I know: there is 0xbeefcace at the beginning, then there is dependancies, then padding. after that is the great unknown (but I really like to know). After 4 null bytes, are the file name and size of the resource. and After that is content of the said file. I'm not that familiar with .Net and silverlight resource management. would someone please tell me what the mystical 4 bytes are, or point me the url to the specification doc or something. Any help would be appreciated!

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• SocialAuth.NET is not working

  - by Alen Joy

  I'm trying to use SocialAuth.NET for extract contacts from gmail and yahoo for my web application but when I run the WebformDemo the following error occurs Server Error in '/Demo' Application. Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive. Source Error: Line 76: </authentication>--> Line 77: <!--<authentication mode="None"/>--> Line 78: <compilation debug="true" targetFramework="4.0"> Line 79: <assemblies> Line 80: <add assembly="Microsoft.IdentityModel, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /> Source File: D:\test\SocialAuth-net-2.3\WebFormsDemo\web.config Line: 78 Version Information: Microsoft .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053 I'm using Windows XP and Visual Studio 2010. Any help?

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• What are the lesser known but cool data structures ?

  - by f3lix

  There a some data structures around that are really cool but are unknown to most programmers. Which are they? Everybody knows linked lists, binary trees, and hashes, but what about Skip lists, Bloom filters for example. I would like to know more data structures that are not so common, but are worth knowing because they rely on great ideas and enrich a programmer's tool box. PS: I am also interested on techniques like Dancing links which make interesting use of the properties of a common data structure. EDIT: Please try to include links to pages describing the data structures in more detail. Also, try to add a couple of words on why a data structures is cool (as Jonas Kölker already pointed out). Also, try to provide one data-structure per answer. This will allow the better data structures to float to the top based on their votes alone.

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• PHP Extension using libtidy compiles, but does not load

  - by ewokker

  I wrote an extension in C++ that uses libtidy, and it runs perfectly under PHP when I compile PHP --with-tidy. However, it would be nice to have the extension run on a vanilla PHP. When I try to use the extension, I get something like: PHP Warning: PHP Startup: Unable to load dynamic library 'extension.so': undefined symbol: tidyCleanAndRepair in Unknown on line 0 and the extension is not loaded. Obviously, the official tidy extension works fine. I have the relevant libtidy development packages installed on the system, and it compiles+links without a problem. I have tried to look through the code for the tidy extension, but it is a huge mass of macros - copying pieces at random felt like cargo code. Besides linking to the library with PHP_ADD_LIBRARY_WITH_PATH(tidy, $TIDY_LIBDIR, TIDY_SHARED_LIBADD), Is there a PHP extension or C statement that fixes this error? Thanks in advance!!

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• Syncronize an SVN repo (svnsync) with encoding errors

  - by Hamish

  Is it possible to fix/bypass non-UTF8 encoded svn:log records when syncronizing repositories with svnsync? Background I'm in the process of taking over the maintenance of an open source module that is stored within a large (well over 10,000 revisions) subversion (1.5.5) repository. I do not have admin access to the remote repository to dump/filter/load the module. The old repository is being discontinued and I am trying to sync the original sub module to my local (1.6+) repository with svnsync. For example: svnsync file://home/svn/temp-repo/ http://path.to.repo/modulename/ The problem is that the old repository didn't enforce UTF8 encoding and I'm hitting errors like: svnsync: Cannot accept 'svn:log' property because it is not encoded in UTF-8 I can't modify the log property in the source repository so I need to somehow modify or ignore the property value when the encoding is unknown/invalid. Any ideas? For example, is it possible to write a pre-revprop-change script to modify the log property in transit?

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• Jboss webservice client error

  - by user309281

  Hi I am getting following error, when a java webservice client written using jboss webservices, tries to invoke a webservice through WSDL URL. The program is executed in java 1.5 VM installed in RHEL Any idea when this kind of exception will pop up? And moreover the IP 192.168.182.20 is not of the system from which the client program executed. javax.xml.ws.soap.SOAPFaultException: [192.168.182.20] is not authorized. at org.jboss.ws.core.jaxws.SOAPFaultHelperJAXWS.getSOAPFaultException(SOAPFaultHelperJAXWS.java:84) at org.jboss.ws.core.jaxws.binding.SOAP11BindingJAXWS.throwFaultException(SOAP11BindingJAXWS.java:107) at org.jboss.ws.core.CommonSOAPBinding.unbindResponseMessage(CommonSOAPBinding.java:579) at org.jboss.ws.core.CommonClient.invoke(CommonClient.java:381) at org.jboss.ws.core.jaxws.client.ClientImpl.invoke(ClientImpl.java:291) at org.jboss.ws.core.jaxws.client.ClientProxy.invoke(ClientProxy.java:170) at org.jboss.ws.core.jaxws.client.ClientProxy.invoke(ClientProxy.java:150) at $Proxy21.send(Unknown Source)

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• Is it actually possible to connect to ActiveMQ via XMPP and query/browse queues using "AciveMQ.Agen

  - by Oleg Kiorsak

  I tried what I think are 4 most popular XMPP (aka "Jabber") clients (Spark, Pidgin, Psi, Pandion) to connect to ActiveMQ instance (Apache ActiveMQ ver. 5.3.0) on XMMP connector with an idea to use the "AciveMQ.Agent chatroom" for querying queues/etc and no success at all Some of them fail with 'Unknown error', some don't fail but kind of "hang"... interestingly, some communication does indeed reach the ActiveMQ side, because when I close a client it spits an exception "could not close" or something to that effect... and if I try "register new user" option (present on most clients" the ActiveMQ also spits some most cryptic warning message But I was never able to get to the point when I could see or specify "ActiveMQ.Agent" as chatroom and issue any commands... Before I waste any more time on this curious feature, I would like to hear whether anyone had any success with it? Thank you! PS: BTW, the book "ActiveMQ in Action book" http://www.manning.com/snyder/ shows that it is apparently works and is very easy using some Mac client (AdiumX), but I wanted it on a Windows PC ;)

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• PEAR mail not sending to .eu email addresses

  - by andy-score

  I have a PEAR mailing script that is used to send newsletters from a clients website. I've used the same code before to produce another newsletter system and it has worked well and been used to send emails to various addresses, however our latest client has email addresses ending .eu and this seems to cause a problem. When the newsletter is sent from the site to the various subscribers, including gmail, hotmail, yahoo and our own company emails, the emails are received correctly by all but the clients email addresses, the ones ending in .eu. As there is nothing different between their mailing system and our own, which is run from the same hosting company, I have to conclude that it is something to do with the domain name. The emails are being sent to the addresses from the system, as I have a log file storing the email addresses when the mail out function is called, but the newsletter never appears in the inbox. I have created a new email account for the domain and that too isn't receiving the emails. It's not going into a spam folder as the webmail system marks spam by adding SPAM into the subject. I've tried to log if there are any errors using the following foreach($subscribers as $recipient) { $send_newsletter = $mail->send($recipient, $headers, $body); // LOG INFO $message = $recipient; if($send_newsletter) { $message .= ' SENT'; } elseif(PEAR::isError($send_newsletter)) { $message .= ' ERROR: '.$send_newsletter->getMessage(); } $message .= ' | '; fwrite($log_file,$message); } However this simple returns SENT for all recipients, so in theory there isn't anything wrong with the mailing function. I don't know a great deal about PEAR or the mailing function so I may be missing something important, but I'd have thought seeing the last thing to happen is sending the email out, and that seems to work, then it should reach the clients inbox. Is this something to do with the PEAR mailing function not liking .eu addresses or is it more likely to be something wrong in my code or with their domain? Any help is greatly appreciated as the client and myself are getting both confused and frustrated by the whole thing. Cheers

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• ShellExecute not working from IDE but works otherwise.

  - by Altar

  I want to create and then open a txt file using the ShellExecute command. I have used this code for years with Delphi 7 and it worked: function Executa(CONST ExeName, Parameters: string): Boolean; begin if Parameters= '' then Result:= ShellExecute(0, 'open', PChar(ExeName), NIL , nil, SW_SHOWNORMAL)> 32 else Result:= ShellExecute(0, 'open', PChar(ExeName), PChar(Parameters), nil, SW_SHOWNORMAL)> 32; end; Now, I switch to Windows 7 (don't like it; they stuck it on my throat with my new laptop) 64 bit and the code is not working anymore when it runs from IDE. Delhi shows the CPU window with the caption "CPU-Process unknown (2352)". I close the CU windows and everything works fine until I close the application, when Delphi shows the CPU window one more time. If I run the app from outside IDE, it works fine. Looks like the debugger has something to say to me, but I don't know what.

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• Cross browser div alignment using CSS

  - by Misha Moroshko

  What is the easiest way to align a div whose position is relative horizontally and vertically using CSS ? The width and the height of the div is unknown, i.e. it should work for every div dimension and in all major browsers. I thought to make the horizontal alignment using: margin-left: auto; margin-right: auto; like I did here. Is this a good cross browser solution for horizontal alignment ? How could I do the vertical alignment ?

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• Socket server stops accepting connections after a period of time

  - by Rob

  We have an async socket server written in C#. (running on Windows Web Server 2008) It works flawlessly up until it stop accepting new connections for an unknown reason. We have about 200 concurrent connections on average, however we keep a count of both connections created and connections dropped. These figures can reach as high as 10,000 or as low as only 1000 before it just stops! It can run for up to around 8 hours sometimes before it stops or it can run for about half hour, at the moment it's running for about an hour before we have another application bring it back up automatically when that can't connect (not exactly ideal). It doesn't appear like we're running out of sockets as we're closing them properly, we're also logging all errors and nothing is happening immediately before it stops. We can figure this out. Does anyone have any ideas what might be going on? I can paste code, but it generally just the same old async beginaccept/send code you see everywhere.

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• [PHP.ini] Can't load mcrypt.dll dynamic library.

  - by Kel

  Hey guys, I'm trying to load this module: php_mcrypt.dll' Everything in the php.ini file is correct, see for yourself: extension_dir = "C:/PHP/5.2.13/ext" extension=php_mcrypt.dll The file exists in this path. And other modules are in there as well and are loaded successfully. It only has a problem with this particular module. I have a 64bit Windows XP, Apache 2.2, PHP 5.2.13... But i get this warning (error.log of Apache): PHP Warning: PHP Startup: Unable to load dynamic library 'C:/PHP/5.2.13/ext\php_mcrypt1.dll' - The specified module could not be found.\r\n in Unknown on line 0 PHP itself is working fine. But one of our applications needs this module and it throws me this ugly error. Why on earth does it show me two backslashes in the log file?

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• How to notice unusual news activity

  - by ??iu

  Suppose you were able keep track of the news mentions of different entities, like say "Steve Jobs" and "Steve Ballmer". What are ways that could you tell whether the amount of mentions per entity per a given time period was unusual relative to their normal degree of frequency of appearance? I imagine that for a more popular person like Steve Jobs an increase of like 50% might be unusual (an increase of 1000 to 1500), while for a relatively unknown CEO an increase of 1000% for a given day could be possible (an increase of 2 to 200). If you didn't have a way of scaling that your unusualness index could be dominated by unheard-ofs getting their 15 minutes of fame.

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• CSS Make one row the width of another

  - by gav

  I'm sure this is a fairly common problem but I'm new to CSS so I'm not sure how it's done. I tried searching for the issue but sometimes it's tricky to get the right keywords. I have a table the width of which I want to be constrained by a specific row. My table css is as follows; table { border: 1px solid #ccc; width: auto; margin-left: auto; margin-right: auto; } I have one row which contains cells for which I want the width to autofit and two rows of prose which currently force the table to take 100% width. How do I constrain the latter to have at most the autofit width of the first row? If tables aren't the way to go and this should be pure css and divs, how do you get one class to adopt the fixed but unknown width of another? Thanks, Gav

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• Windows Azure: Exception while creating a blob container

  - by veda

  I followed a tutorial on creating a blob on windows azure. But when I do that, I get an exception error: Error while creating containerThe server encountered an unknown failure: The remote server returned an error: (300) Ambiguous Redirect. The code is : private void SetContainersAndPermission() { try { // create a container var CloudAccountStorage = CloudStorageAccount.FromConfigurationSetting("BlobConnectionString"); cloudBlobClient = CloudAccountStorage.CreateCloudBlobClient(); CloudBlobContainer blobContainer = cloudBlobClient.GetContainerReference("documents"); blobContainer.CreateIfNotExist(); // permissions var containerPermissions = blobContainer.GetPermissions(); containerPermissions.PublicAccess = BlobContainerPublicAccessType.Container; blobContainer.SetPermissions(containerPermissions); } catch(Exception ex) { throw new Exception("Error while creating container" + ex.Message); } } Can anyone tell me How to solve this problem....

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• Are there any other Java schedulers besides Quartz(FOSS) and Flux(Commercial)

  - by mP

  I am interested in finding out about other job scheduling packages besides Quartz and Flux. Given the plethora of web frameworks i find it perculiar that there is really only one scheduler. Are there others that perhaps are very much unknown/unpopular ? Spring Batch Not really a scheduling solution but rather a batch job coordinator etc. http://static.springsource.org/spring-batch/faq.html#schedulers How does Spring Batch differ from Quartz? Is there a place for them both in a solution? Spring Batch and Quartz have different goals. Spring Batch provides functionality for processing large volumes of data and Quartz provides functionality for scheduling tasks. So Quartz could complement Spring Batch, but are not excluding technologies. A common combination would be to use Quartz as a trigger for a Spring Batch job using a Cron expression and the Spring Core convenience SchedulerFactoryBean .

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• Redirecting user from an old web to another in Sharepoint

  - by BeraCim

  Hi all: I want to add the ability to redirect users when they visit certain old sites. The URL of the old sites are unknown, but the server name is the same, e.g. Old site url: http://sharepoint/mySite/default.aspx New site url: http://sharepoint/myNewSite/... There are a lot of other pages within mySite, most of which must be redirected to the new site, but there are exceptions (e.g. user can still view the documents within the site). I thought I have to do this programmatically by somehow capturing the http request and read the url myself. Being no sharepoint guru, I had a quick google, and found that writing a web part is prehaps the best alternative for my situation. But I'm just wondering, given my situation and needs, is writing a web part, or something programmatically, really the ideal solution? Or is there a faster and quicker way to achieve what I want using Sharepoint? Thanks.

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• unable to get values from JSON converted from XML

  - by Dkong

  I have passed some JSON to my page via a webservice. I used JSON.NET to convert XML to JSON. The JSON output looks ok to me, but I am unable to access some of the items in the response. I am not sure why it is not working. I am using jQuery to read the response and make the webservice call. Even when I try to read the length of the array it says 'undefined' function GetFeed(){ document.getElementById("marq").innerHTML = ''; $.ajax({ type: "POST", url: "ticker.asmx/GetStockTicker", data: "{}", contentType: "application/json; charset=utf-8", dataType: "json", success: function(response) { var obj = (typeof response.d) == 'string' ? eval('(' + response.d + ')') : response.d; for (var i = 0; i < obj.length; i++) { $('#marq').html(obj[i].person); } } }); } This is a copy and paste of my response as it appeared in firebug: {"d":"{\"?xml\":{\"@version\":\"1.0\",\"@standalone\":\"no\"},\"root\":{\"person\":[{\"@id\":\"1\",\"name\":\"Alan\",\"url\":\"http://www.google.com\"},{\"@id\":\"2\",\"name\":\"Louis\",\"url\":\"http://www.yahoo.com\"}]}}"}

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• proper Django ORM syntax to make this code work in MySQL

  - by gtujan

  I have the following django code working on an sqlite database but for some unknown reason I get a syntax error if I change the backend to MySQL...does django's ORM treat filtering differently in MySQL? def wsjson(request,imei): wstations = WS.objects.annotate(latest_wslog_date=Max('wslog__date'),latest_wslog_time=Max('wslog__time')) logs = WSLog.objects.filter(date__in=[b.latest_wslog_date for b in wstations],time__in=[b.latest_wslog_time for b in wstations],imei__exact=imei) data = serializers.serialize('json',logs) return HttpResponse(data,'application/javascript') The code basically gets the latest logs from WSlog corresponding to each record in WS and serializes it to json. Models are defined as: class WS(models.Model): name = models.CharField(max_length=20) imei = models.CharField(max_length=15) description = models.TextField() def __unicode__(self): return self.name class WSLog(models.Model): imei = models.CharField(max_length=15) date = models.DateField() time = models.TimeField() data1 = models.DecimalField(max_digits=8,decimal_places=3) data2 = models.DecimalField(max_digits=8,decimal_places=3) WS = models.ForeignKey(WS) def __unicode__(self): return self.imei

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• Transferring Data Directly between 2 Connections in Indy (TIdContext)

  - by killercode

  ive a sever running TIdTCPServer, and Client Using Web Browser (or any other software) to Communicate, i dunno the protocol, but what im trying to do is to Send The Data between the client and another Connection (Both Connected to the same TIdTCPServer) for example the data sent by the first client is transmitted to the second client, and the data sent by the second client is transmitted to the first client, like a proxy (i cant really use a proxy server since its just this one condition) and the TIdTCPServer should still be receiving other clients and processing their data. i stumbled upon the first line of code, since TIdContext.Connection.Socket.ReadLn requires a Delimiter, and the Client's Protocol is unknown to the server. any ideas? thanks.

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• Need to map classes to different databases at runtime in Hibernate

  - by serg555

  I have MainDB database and unknown number (at compile time) of UserDB_1, ..., UserDB_N databases. MainDB contains names of those UserDB databases in some table (new UserDB can be created at runtime). All UserDB have exactly the same table names and fields. How to handle such situation in Hibernate? (database structure cannot be changed). Currently I am planning to create generic User classes not mapped to anything and just use native SQL for all queries: session.createSQLQuery("select * from " + db + ".user where id=1") .setResultTransformer(Transformers.aliasToBean(User.class)); Is there anything better I can do? Ideally I would want to have mappings for UserDB tables and relations and use HQL on required database.

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• Android Frame by Frame Animation problem on elements in a CursorAdapter

  - by Pandalover

  I am having trouble applying an animation to a View. I am trying to load the animation from inside the constructor of a CursorAdapter, so I can set it later assign it to certain children in the list. In the constructor I have : shineAnimation = AnimationUtils.loadAnimation(ctx, R.anim.news_list_item_shine); the animation is in my res/anim dir <?xml version="1.0" encoding="utf-8"?> <animation-list xmlns:android="http://schemas.android.com/apk/res/android" android:oneshot="true"> <item android:drawable="@drawable/shine1" android:duration="200" /> <item android:drawable="@drawable/shine2" android:duration="200" /> <item android:drawable="@drawable/shine3" android:duration="200" /> <item android:drawable="@drawable/shine4" android:duration="200" /> <item android:drawable="@drawable/shine5" android:duration="200" /> </animation-list> I'm getting an exception : Unknown animation name: animation-list Help would be much appreciated Thanks S

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• Parsing a JSON feed from YQL using jQuery

  - by Keith

  I am using YQL's query.multi to grab multiple feeds so I can parse a single JSON feed with jQuery and reduce the number of connections I'm making. In order to parse a single feed, I need to be able to check the type of result (photo, item, entry, etc) so I can pull out items in specific ways. Because of the way the items are nested within the JSON feed, I'm not sure the best way to loop through the results and check the type and then loop through the items to display them. Here is a YQL (http://developer.yahoo.com/yql/console/) query.multi example and you can see three different result types (entry, photo, and item) and then the items nested within them: select * from query.multi where queries= "select * from twitter.user.timeline where id='twitter'; select * from flickr.photos.search where has_geo='true' and text='san francisco'; select * from delicious.feeds.popular" or here is the JSON feed itself: http://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20query.multi%20where%20queries%3D%22select%20*%20from%20flickr.photos.search%20where%20user_id%3D'23433895%40N00'%3Bselect%20*%20from%20delicious.feeds%20where%20username%3D'keith.muth'%3Bselect%20*%20from%20twitter.user.timeline%20where%20id%3D'keithmuth'%22&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys&callback=

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• Having issues when trying to insert an ajax response which is an html block into an element on IE 8

  - by user340812

  Hello Everyone just like my title states, I am having issues with IE8 and innerHTML. For whatever reason, when I make an ajax call which returns an html block and try to insert it into an element using innerHTML, the browser gives me an error "Unknown Error Code: 0". The interesting part of this is that, if the message response does not have html element, innerHTML works. My code is like so: setTimeout(function() { element.innerHTML = context.response.message; }, 1000).bind(context) WORKS: context.response.message = 'String'; Does not WORK: context.response.message = '<p>String</p>';

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• simplemodal contact form does not close after sending mail in ie8

  - by frank

  hi, i am using the simplemodal contact form for my website. it works perfectly on safari, firefox and opera on mac os, and firefox and chrome on windows. the only issue i have is with ie8. when i click the "send" button the mail is actually sent but i get an error message (alert window with "unknown" in it) and then everything seems to be in some infinite loop with the "loading.gif" turning and turning. it never gets to the step where i ahve the message "your mail has been sucessfully sent" although like i said the mail is sent. any idea where the problem is coming from ? thanks for your help. frank

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