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• What advice would you give a high-schooler interested in tech?

  - by user291991

  (This was originally sent to a group of people I have worked with and trust and it was suggested that I post this here. I've been a software developer, architect, manager, vp, tester, trainer, tech writer, etc., and my presentation is primarily about Android & other mobile application development.) Next week I'm going to be giving a presentation to 3 groups of high schoolers interested in technology and technology careers. One of the things I've been asked to include is any advice that I think would be valuable for them. If you are willing to share, I would like to hear what advice you would give based on your life experiences and observations. What would you be looking for if they approached you about work? Perhaps you are in that age group right now. What do you want to know? Perhaps you are just a few years into the workforce. What do you wish someone had told you but never did? Perhaps you have children, relatives or friends in or soon to be in that age group. What are you worried they don't know about? I'm sure there are other perspectives and questions I'm not even thinking about. I'd like to hear what you have to say about it.

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• wait for CLLocationManager to finish before tweeting

  - by user295944

  I want to wait for latitude.text and longtitude.text to be filled in before sending a tweet, this code works fine, but I would rather not put the tweeting part in locationManager because I also want to sometimes update the current location without sending a tweet. How can I make sure the txt gets filled in before sending the tweet without doing this? - (IBAction)update { latitude.text =@""; longitude.text =@""; locmanager = [[CLLocationManager alloc] init]; [locmanager setDelegate:self]; [locmanager setDesiredAccuracy:kCLLocationAccuracyBest]; [locmanager startUpdatingLocation]; } - (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation { CLLocationCoordinate2D location = [newLocation coordinate]; latitude.text = [NSString stringWithFormat: @"%f", location.latitude]; longitude.text = [NSString stringWithFormat: @"%f", location.longitude]; TwitterRequest * t = [[TwitterRequest alloc] init]; t.username = @"****"; t.password = @"****"; [twitterMessageText resignFirstResponder]; loadingActionSheet = [[UIActionSheet alloc] initWithTitle:@"Posting To Twitter..." delegate:nil cancelButtonTitle:nil destructiveButtonTitle:nil otherButtonTitles:nil]; [loadingActionSheet showInView:self.view]; [t statuses_update:twitterMessageText.text andLat:latitude.text andLong:longitude.text delegate:self requestSelector:@selector(status_updateCallback:)]; twitterMessageText.text=@""; }

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• Put message after long idle time does not work

  - by Sydney

  I wrote a simple Java client using MQ v7 libraries (No JMS). I try to put a message in a queue using the following pattern: Put a message Wait for x minutes Put a message again It works but if the idle time is too long (between 5-7 minutes), I get the following error: MQJE001: An MQException occurred: Completion Code 2, Reason 2195 MQJE007: IO error reading message data Error occured during API call - reason code0 MQJE001: Completion Code 2, Reason 2009 MQJE001: An MQException occurred: Completion Code 2, Reason 2009 MQJE003: IO error transmitting message buffer MQJE001: Completion Code 2, Reason 2009 MQJE001: An MQException occurred: Completion Code 2, Reason 2009 MQJE003: IO error transmitting message buffer MQJE001: Completion Code 2, Reason 2009 MQJE001: An MQException occurred: Completion Code 2, Reason 2009 MQJE003: IO error transmitting message buffer MQJE001: Completion Code 2, Reason 2009 MQJE001: An MQException occurred: Completion Code 2, Reason 2009 MQJE003: IO error transmitting message buffer MQJE001: An MQException occurred: Completion Code 2, Reason 2009 MQJE003: IO error transmitting message buffer MQJE001: Completion Code 2, Reason 2009 An MQSeries error occurred : Completion code 2 Reason code 2009 com.ibm.mq.MQException: MQJE001: Completion Code 2, Reason 2009 at com.ibm.mq.MQQueue.put(MQQueue.java:1511) After reading several threads on the subject, this error is usually creating FDC dumps but I have nothing in the system and queue manager logs. The channel is a SVRCONN channel.

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• WCF Service in Azure with ClaimsIdentity over SSL

  - by Sunil Ramu

  Hello , Created a WCF service as a WebRole using Azure and a client windows application which refers to this service. The Cloud Service is refered to a certificate which is created using the "Hands On Lab" given in windows identity foundation. The Web Service is hosted in IIS and it works perfect when executed. I've created a client windows app which refers to this web service. Since WIF Claims identity is used, I have a claimsAuthorizationManager Class, and also a Policy class with set of defilned policies. The Claims is set in the web.config file. When I execute the windows app as the start up project, the app prompts for authentication, and when the account credentials are given as in the config file, it opens a new "Windows Card Space" Window and Says "Incoming Policy Failed". When I close the window the System throws and Exception The incoming policy could not be validated. For more information, please see the event log. Event Log Details Incoming policy failed validation. No valid claim elements were found in the policy XML. Additional Information: at System.Environment.get_StackTrace() at Microsoft.InfoCards.Diagnostics.InfoCardTrace.BuildMessage(InfoCardBaseException ie) at Microsoft.InfoCards.Diagnostics.InfoCardTrace.TraceAndLogException(Exception e) at Microsoft.InfoCards.Diagnostics.InfoCardTrace.ThrowHelperError(Exception e) at Microsoft.InfoCards.InfoCardPolicy.Validate() at Microsoft.InfoCards.Request.PreProcessRequest() at Microsoft.InfoCards.ClientUIRequest.PreProcessRequest() at Microsoft.InfoCards.Request.DoProcessRequest(String& extendedMessage) at Microsoft.InfoCards.RequestFactory.ProcessNewRequest(Int32 parentRequestHandle, IntPtr rpcHandle, IntPtr inArgs, IntPtr& outArgs) Details: System Provider [ Name] CardSpace 3.0.0.0 EventID 267 [ Qualifiers] 49157 Level 2 Task 1 Keywords 0x80000000000000 EventRecordID 6996 Channel Application EventData No valid claim elements were found in the policy XML. Additional Information: at System.Environment.get_StackTrace() at Microsoft.InfoCards.Diagnostics.InfoCardTrace.BuildMessage(InfoCardBaseException ie) at Microsoft.InfoCards.Diagnostics.InfoCardTrace.TraceAndLogException(Exception e) at Microsoft.InfoCards.Diagnostics.InfoCardTrace.ThrowHelperError(Exception e) at Microsoft.InfoCards.InfoCardPolicy.Validate() at Microsoft.InfoCards.Request.PreProcessRequest() at Microsoft.InfoCards.ClientUIRequest.PreProcessRequest() at Microsoft.InfoCards.Request.DoProcessRequest(String& extendedMessage) at Microsoft.InfoCards.RequestFactory.ProcessNewRequest(Int32 parentRequestHandle, IntPtr rpcHandle, IntPtr inArgs, IntPtr& outArgs)

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• Why is WMDC/ActiveSync so flaky?

  - by Ira Rainey

  I'm developing a Windows Mobile app using the .NET Compact Framework 3.5 and VS2008, and for debugging using the Device Emulator V3, on Win7, and seem to have constant problems with Windows Mobile Device Centre (6.1) connecting. Using the Emulator Manager (9.0.21022.8) I cradle the device using DMA in WMDC. The problem is it's so flaky at actually connecting that it's becoming a pain. I find that when I turn my computer on, before I can get it to connect I have to open up WMDC, disable Connect over DMA, close WMDC down, reopen it again, and then it might cradle. Often I have to do this twice before it will cradle. Once it's cradled it's generally fine, but nothing seems consistent in getting it to connect. Connecting with physical devices is often better, although not always. If I plug a PDA into a USB socket other than the one it was originally plugged into then it won't connect at all. Often the best/most reliable connection method seems to be over Bluetooth, but that's quite slow. Anybody got any tips or advice?

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• Vlad the deployer on Dreamhost - initial script

  - by xmariachi

  Hi, I'm trying to deploy an app with SVN and Vlad the deployer. Vlad and its dependencies are installed and seem OK. I'm trying the following: rake prod vlad:update Being my config/deploy.rb file: task :prod do set :application, "xxx" set :deploy_timestamped, "false" set :user, "username" set :scm_user, "scmusername" set :repository, "http://domain.com/svn/app" set :domain, "domain.com" set :deploy_to, "/home/username/deployments/app" puts "Production deployment to #{deploy_to}" end I have done "rake prod vlad:setup" already, that's fine. But when calling "rake prod vlad:update", I get the following A ...file Exported revision 14. ln: creating symbolic link `/home/username/deployments/drupalgestalt/releases/20100503164225/public/system' to `/home/username/deployments/drupalgestalt/shared/system': No such file or directory rake aborted! execution failed with status 1: ssh domain.com ln -s /home/username/deployments/app/shared/log /home/username/deployments/app/releases/20100503164225/log && ln -s /home/username/deployments/app/shared/system /home/username/deployments/app/releases/20100503164225/public/system && ln -s /home/username/deployments/app/shared/pids /home/username/deployments/app/releases/20100503164225/tmp/pids Apparently it complains when creating the ln, but permissions are all set up fine. Am I doing anything wrong? I'm just starting with Vlad on the assumption it was super-easy to set up. Had played a bit with cap in the past, and I do like Vlad idea.

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• AjaxControlToolkit Resource Files Not Copied To Output in MSBuild Script

  - by Dario Solera

  I'm new to MSBuild, but I managed to setup the following simple script: <Project ToolsVersion="3.5" DefaultTargets="Compile" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> <PropertyGroup> <Configuration Condition="'$(Configuration)' == ''">Debug</Configuration> </PropertyGroup> <ItemGroup> <SolutionRoot Include=".." /> <BuildArtifacts Include=".\Artifacts\" /> <SolutionFile Include="..\SolutionName.sln" /> </ItemGroup> <Target Name="Clean"> <RemoveDir Directories="@(BuildArtifacts)" /> </Target> <Target Name="Init" DependsOnTargets="Clean"> <MakeDir Directories="@(BuildArtifacts)" /> </Target> <Target Name="Compile" DependsOnTargets="Init"> <MSBuild Projects="@(SolutionFile)" Properties="OutDir=%(BuildArtifacts.FullPath);Configuration=$(Configuration)" /> <MakeDir Directories="%(BuildArtifacts.FullPath)\_PublishedWebsites\RDE.XAP.UnifiedGui.Web\Temp" /> </Target> </Project> The solution has 23 projects, 4 of which are WebApps. Now, the script works fine and the output is generated correctly. The only problem I counter is with two WebApp projects in the solution that use the AJAX Control Toolkit. The toolkit has a set of folders (e.g. ar, it, es, fr) that contain localized resources. These folders are not copied in the bin directory of the WebApps when the solution is built in MSBuild, but they are copied when it is built in Visual Studio. How can I solve this in a clean manner? I know I could write a (quite convoluted) task that copies the directories after the compile, but it does not seem the right solution to me. Also, neither Google, SO and MSDN could provide more details on this kind of issue.

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• How to create reactive tasks for programming competitions?

  - by directx

  A reactive task is sometimes seen in the IOI programming competition. Unlike batch tasks, reactive solutions take input from another program as well as outputting it. The program typically 'query' the judge program a certain number of times, then output a final answer. An example The client program accepts lines one by one, and simply echoes it back. When it encountered a line with "done", it exists immediately. The client program in Java looks like this: import java.util.*; class Main{ public static void main (String[] args){ Scanner in = new Scanner(System.in); String s; while (!(s=in.nextLine()).equals("done")) System.out.println(s); } } The judge program gives the input and processes output from the client program. In this example, it feeds it a predefined input and checks if the client program has echoed it back correctly. A session might go like this: Judge Client ------------------ Hello Hello World World done I'm having trouble writing the judge program and having it judge the client program. I'd appreciate if someone could write a judge program for my example.

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• record output sound in python

  - by aaronstacy

  i want to programatically record sound coming out of my laptop in python. i found PyAudio and came up with the following program that accomplishes the task: import pyaudio, wave, sys chunk = 1024 FORMAT = pyaudio.paInt16 CHANNELS = 1 RATE = 44100 RECORD_SECONDS = 5 WAVE_OUTPUT_FILENAME = sys.argv[1] p = pyaudio.PyAudio() channel_map = (0, 1) stream_info = pyaudio.PaMacCoreStreamInfo( flags = pyaudio.PaMacCoreStreamInfo.paMacCorePlayNice, channel_map = channel_map) stream = p.open(format = FORMAT, rate = RATE, input = True, input_host_api_specific_stream_info = stream_info, channels = CHANNELS) all = [] for i in range(0, RATE / chunk * RECORD_SECONDS): data = stream.read(chunk) all.append(data) stream.close() p.terminate() data = ''.join(all) wf = wave.open(WAVE_OUTPUT_FILENAME, 'wb') wf.setnchannels(CHANNELS) wf.setsampwidth(p.get_sample_size(FORMAT)) wf.setframerate(RATE) wf.writeframes(data) wf.close() the problem is i have to connect the headphone jack to the microphone jack. i tried replacing these lines: input = True, input_host_api_specific_stream_info = stream_info, with these: output = True, output_host_api_specific_stream_info = stream_info, but then i get this error: Traceback (most recent call last): File "./test.py", line 25, in data = stream.read(chunk) File "/Library/Python/2.5/site-packages/pyaudio.py", line 562, in read paCanNotReadFromAnOutputOnlyStream) IOError: [Errno Not input stream] -9975 is there a way to instantiate the PyAudio stream so that it inputs from the computer's output and i don't have to connect the headphone jack to the microphone? is there a better way to go about this? i'd prefer to stick w/ a python app and avoid cocoa.

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• RadAjaxManager (Problem About Knowing) ...

  - by LostLord

  hi my dear friends... my RadAjaxManager Code Is Like This : <%--RAD AJAX MANAGER--%> <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server" ClientEvents-OnRequestStart="RequestStartedOfRadAjaxManager1" UpdatePanelsRenderMode="Inline"> <ClientEvents OnRequestStart="RequestStartedOfRadAjaxManager1" /> <AjaxSettings> <telerik:AjaxSetting AjaxControlID="RadComboBox1"> <UpdatedControls> <telerik:AjaxUpdatedControl ControlID=" RadComboBox1" /> <telerik:AjaxUpdatedControl ControlID="ChechBox1" /> </UpdatedControls> </telerik:AjaxSetting> </AjaxSettings> </telerik:RadAjaxManager> i have some codes in SelectedIndexChange of RadComboBox1...i am changing ChechBox1.Checked In It ...(AutoPostBack = True) i have some codes in CheckChanged of ChechBox1...(AutoPostBack = True) but i do not know why ChechBox1 Not Work... when i click on it (for Making it to true or false), it disappears or Not Work... ================================================================== there is this scenario about buttons ... when they are in RadAjaxManager (Update) they do not work... i know this is not about RadAjaxManager / but can u lead me to solve this? thanks a lot

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• ASP MVC: Sending an E-mail

  - by wh0emPah

  Okay I'm kindoff new to the .NET platform. And currently i'm learning ASP MVC. I want to send an e-mail from my program and i have the following code: public void sendVerrificationEmail() { //create the mail message MailMessage mail = new MailMessage(); //set the addresses mail.From = new MailAddress("[email protected]"); mail.To.Add("[email protected]"); //set the content mail.Subject = "This is an email"; mail.Body = "this is a sample body with html in it. <b>This is bold</b> <font color=#336699>This is blue</font>"; mail.IsBodyHtml = true; //send the message SmtpClient smtp = new SmtpClient("127.0.0.1"); smtp.Send(mail); } Now when i execute this code i'll get the following exception: System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it 127.0.0.1:25 Now i'm very very new to the IIS manager & stuff. so there is probably something wrong there. Do i need to install a virtual smtp server or something?. Currently i have following settings (sorry not allowed to uplaod images yet =) ): http://img153.imageshack.us/img153/695/capture2p.png I've been looking for a few hours now but i can't seem to find a working solution. Help would be appreciated! Tyvm.

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• Overriding deep functions in javascript

  - by PintSizedCat

  I'm quite new to javascript but have undertaken a task to get better aquainted with it. However, I am running into some problems with jQuery. The following javascript is the code that is in a third party jQuery plugin and I would love to be able to override the funFunction() function here to do my own implementation. Is this possible, if so, how can I do it? I've been doing a fair amount of searching and have tried a number of methods for overriding the function using things like: jQuery.blah.funFunction = funtion() { alert("like this"); }; Main code: (function($) { $.extend( { blah: new function() { this.construct = = function(settings) { //Construct... stuff }; function funFunction() { //Function I want to override } } }); })(jQuery); For those further interested I am trying to override tablesorter so that the only way a user can sort a column is in ascending order only. Edit: There is a wordpress installation that uses WP-Table-Reloaded which in turn uses this plugin. I don't want to change the core code for this plugin because if there was ever an update I would then have to make sure that my predecessor knew exactly what I had done. I've been programming for a long time and feel like I should easily be able to pick up javascript whilst also looking at jQuery. I know exactly what I need to do for this, just not how I can override this function.

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• Alternative to jQuery's .toggle() method that supports eventData?

  - by Bungle

  The jQuery documentation for the .toggle() method states: The .toggle() method is provided for convenience. It is relatively straightforward to implement the same behavior by hand, and this can be necessary if the assumptions built into .toggle() prove limiting. The assumptions built into .toggle have proven limiting for my current task, but the documentation doesn't elaborate on how to implement the same behavior. I need to pass eventData to the handler functions provided to toggle(), but it appears that only .bind() will support this, not .toggle(). My first inclination is to use a flag global to a single handler function to store the click state. In other words, rather than: $('a').toggle(function() { alert('odd number of clicks'); }, function() { alert('even number of clicks'); }); do this: var clicks = true; $('a').click(function() { if (clicks) { alert('odd number of clicks'); clicks = false; } else { alert('even number of clicks'); clicks = true; } }); I haven't tested the latter, but I suspect it would work. Is this the best way to do something like this, or is there a better way that I'm missing? Thanks!

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• Sorted exsl:node-set. Return node by it position.

  - by kalininew

  Good afternoon, gentlemen. Help me solve a very simple task. I have a set of nodes <menuList> <mode name="aasdf"/> <mode name="vfssdd"/> <mode name="aswer"/> <mode name="ddffe"/> <mode name="ffrthjhj"/> <mode name="dfdf"/> <mode name="vbdg"/> <mode name="wewer"/> <mode name="mkiiu"/> <mode name="yhtyh"/> and so on... </menuList> I have it sorted now this way <xsl:variable name="rtf"> <xsl:for-each select="//menuList/mode"> <xsl:sort data-type="text" order="ascending" select="@name"/> <xsl:value-of select="@name"/> </xsl:for-each> </xsl:variable> Now I need to get an arbitrary element in the sorted array to the number of its position. I write code <xsl:value-of select="exsl:node-set($rtf)[position() = 3]"/> and get a response error. How to do it right?

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• Weblogic 10.3.0 : Loosing a stateless session bean in the bean pool

  - by KlasE

  Hi, We have a strange situation where we loose a Stateless SessionBean in a Bean Pool in Weblogic 10.3.0 Since we only have one bean in the pool, this effectively hangs all incoming calls. We do not want more than one instance in the pool because of application restrictions. In the Weblogic admin console, we can see that there are 1 instance in the bean pool, 0 beans in use and 1 waiting incoming request. The question is, what can have caused the system to not send the request to the one obviously free bean instance? This happens after several hours and over 100000 incoming requests, and the same scenario worked fine in the old weblogic 8 environment. We get the following stacktrace: "[ACTIVE] ExecuteThread: '5' for queue: 'weblogic.kernel.Default (self-tuning)'" waiting for lock java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@b0d484 TIMED_WAITING sun.misc.Unsafe.park(Native Method) java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198) java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2054) weblogic.ejb.container.pool.StatelessSessionPool.waitForBean(StatelessSessionPool.java:269) weblogic.ejb.container.pool.StatelessSessionPool.getBean(StatelessSessionPool.java:111) weblogic.ejb.container.manager.StatelessManager.preInvoke(StatelessManager.java:148) weblogic.ejb.container.internal.BaseRemoteObject.preInvoke(BaseRemoteObject.java:227) weblogic.ejb.container.internal.StatelessRemoteObject.preInvoke(StatelessRemoteObject.java:52) com.mycompany.beans.MessageLogFacace_n73y0z_EOImpl.isMyStuffValid(MessageLogFacace_n73y0z_EOImpl.java:261) com.mycompany.beans.MessageLogFacace_n73y0z_EOImpl_WLSkel.invoke(Unknown Source) weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:589) weblogic.rmi.cluster.ClusterableServerRef.invoke(ClusterableServerRef.java:230) weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:477) weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363) weblogic.security.service.SecurityManager.runAs(Unknown Source) weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:473) weblogic.rmi.internal.wls.WLSExecuteRequest.run(WLSExecuteRequest.java:118) weblogic.work.ExecuteThread.execute(ExecuteThread.java:201) weblogic.work.ExecuteThread.run(ExecuteThread.java:173) Any help would be very welcome. Regards Klas

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• SQL Server CLR stored procedures in data processing tasks - good or evil?

  - by Gart

  In short - is it a good design solution to implement most of the business logic in CLR stored procedures? I have read much about them recently but I can't figure out when they should be used, what are the best practices, are they good enough or not. For example, my business application needs to parse a large fixed-length text file, extract some numbers from each line in the file, according to these numbers apply some complex business rules (involving regex matching, pattern matching against data from many tables in the database and such), and as a result of this calculation update records in the database. There is also a GUI for the user to select the file, view the results, etc. This application seems to be a good candidate to implement the classic 3-tier architecture: the Data Layer, the Logic Layer, and the GUI layer. The Data Layer would access the database The Logic Layer would run as a WCF service and implement the business rules, interacting with the Data Layer The GUI Layer would be a means of communication between the Logic Layer and the User. Now, thinking of this design, I can see that most of the business rules may be implemented in a SQL CLR and stored in SQL Server. I might store all my raw data in the database, run the processing there, and get the results. I see some advantages and disadvantages of this solution: Pros: The business logic runs close to the data, meaning less network traffic. Process all data at once, possibly utilizing parallelizm and optimal execution plan. Cons: Scattering of the business logic: some part is here, some part is there. Questionable design solution, may encounter unknown problems. Difficult to implement a progress indicator for the processing task. I would like to hear all your opinions about SQL CLR. Does anybody use it in production? Are there any problems with such design? Is it a good thing?

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• SQL Server 2005 Reporting Services and the Report Viewer

  - by Kendra

  I am having an issue embedding my report into an aspx page. Here's my setup: 1 Server running SQL Server 2005 and SQL Server 2005 Reporting Services 1 Workstation running XP and VS 2005 The server is not on a domain. Reporting Services is a default installation. I have one report called TestMe in a folder called TestReports using a shared datasource. If I view the report in Report Manager, it renders fine. If I view the report using the http ://myserver/reportserver url it renders fine. If I view the report using the http ://myserver/reportserver?/TestReports/TestMe it renders fine. If I try to view the report using http ://myserver/reportserver/TestReports/TestMe, it just goes to the folder navigation page of the home directory. My web application is impersonating somebody specific to get around the server not being on a domain. When I call the report from the report viewer using http ://myserver/reportserver as the server and /TestReports/TestMe as the path I get this error: For security reasons DTD is prohibited in this XML document. To enable DTD processing set the ProhibitDtd property on XmlReaderSettings to false and pass the settings into XmlReader.Create method. When I change the server to http ://myserver/reportserver? I get this error when I run the report: Client found response content type of '', but expected 'text/xml'. The request failed with an empty response. I have been searching for a while and haven't found anything that fixes my issue. Please let me know if there is more information needed. Thanks in advance, Kendra

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• Readability and IF-block brackets: best practice

  - by MasterPeter

  I am preparing a short tutorial for level 1 uni students learning JavaScript basics. The task is to validate a phone number. The number must not contain non-digits and must be 14 digits long or less. The following code excerpt is what I came up with and I would like to make it as readable as possible. if ( //set of rules for invalid phone number phoneNumber.length == 0 //empty || phoneNumber.length > 14 //too long || /\D/.test(phoneNumber) //contains non-digits ) { setMessageText(invalid); } else { setMessageText(valid); } A simple question I can not quite answer myself and would like to hear your opinions on: How to position the surrounding (outermost) brackets? It's hard to see the difference between a normal and a curly bracket. Do you usually put the last ) on the same line as the last condition? Do you keep the first opening ( on a line by itself? Do you wrap each individual sub-condition in brackets too? Do you align horizontally the first ( with the last ), or do you place the last ) in the same column as the if? Do you keep ) { on a separate line or you place the last ) on the same line with the last sub-condition and then place the opening { on a new line? Or do you just put the ) { on the same line as the last sub-condition? Community wiki. EDIT Please only post opinions regarding the usage and placement of brackets. The code needs not be re-factored. This is for people who have only been introduced to JavaScript a couple of weeks ago. I am not asking for opinions how to write the code so it's shorter or performs better. I would only like to know how do you place brackets around IF-conditions.

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• osCommerce custom PHP page

  - by Afrosimon

  Hello! One of my client has an old osCommerce website and while working on it I have to implement what I would call "custom php page", i.e. a page which query a MySQL table, not related to osCommerce, and list the result. I'm not sure of the version, this trick I have seen a lot didn't gave me any result : http://www.clubosc.com/how-to-know-what-version-of-oscommerce-you-are-using.html . And I'm having a hard time doing this seemingly simple task, since osCommerce doesn't allow any php code in the page creation, and I didn't find any module giving me this possibility (not that it is easy to search in this mess : http://addons.oscommerce.com/). At this point I figured it would be easier to just hack'n slash through the code and come up with a custom page : I copied the index.php (the entry point in the application) : <?php require('includes/application_top.php'); if(!$smarty->is_cached($sContentPage, $sCachingGroup)) { //we switch on the content recognition require('includes/pages/' . $sContentClass . '.php'); } $smarty->display($sContentPage, $sCachingGroup); require(DIR_WS_INCLUDES . 'application_bottom.php'); ?> Here I gave a specific value to $sContentClass (with or without the if makes no difference) and customize the corresponding PHP file so it show my custom content but also initialize the same variable than those other PHP file in the pages/ folder. But alas, all of this curious and dubious code simply return me the home page. So here I am, is there an osCommerce Guru around here, or would anyone has a better idea (oh and I also posted on the osCommerce forum, but I'm still waiting for a response...)? Thanks a lot in advance.

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• How do you word wrap a RichTextField for Blackberry

  - by Kai

  I've been trying to modify a rich text field to display correctly in its half of the horizontal field. The goal is this: --------------------------- | address is | ***********| | very long | ** IMAGE **| | state, zip | ***********| --------------------------- Where address is a single string separate from the city and zip. I am modifying the address field like this: RichTextField addrField = new RichTextField(address) { public int getPreferredWidth() { return 200; } protected void layout(int maxWidth,int maxHeight) { super.layout(getPreferredWidth(),maxHeight); setExtent(getPreferredWidth(), getHeight()); } }; The results look like this: ----------------------------- | address is ve| ***********| | state, zip | ** IMAGE **| | | ***********| ----------------------------- where clearly the address is just going under the image. Both horizontal fields are static 200 pixels wide. It's not like the system wouldn't know where to wrap the address. However, I have heard it is not easy to do this and is not done automatically. I have had no success finding a direct answer online. I have found people saying you need to do it in a custom layout manager, some refer to the RichTextField API, which is of no use. But nobody actually mentions how to do it. I understand that I may need to read character by character and set where the line breaks should happen. What I don't know is how exactly to do any of this. You can't just count characters and assume each is worth 5 pixels, and you shouldn't have to. Surely there must be some way to achieve this in a way that makes sense. Any suggestions?

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• Keyboard hook return different symbols from card reader depends whther my app in focus or not

  - by user363868

  I code WinForm application where one of the input is magnetic stripe card reader (CR). I am using code George Mamaladze's article Processing Global Mouse and Keyboard Hooks in C# on codeproject.com to listen keyboard (USB card reader acts same way as keyboard) and I have weird situation. One card reader CR1 (Unitech MS240-2UG) produces keystroke which I intercept on KeyPress event analyze that I intercept certain patter like %ABCD-6EFJHI? and trigger some logic. Analysis required because user can type something else into application or in another application meanwhile my app is open When I use another card reader CR2 (IdTech IDBM-334133) keystroke intercepted by hook started from number 5 instead of % (It is actually same key on keyboard). Since it is starting sentinel it is very important for me to have ability recognize input from card reader. Moreover if my app running in background and I have focus on Notepad when I swipe card string %ABCD-6EFJHI? appears in Notepad and same way, with proper starting character) intercepted by keyboard hook. If swiped when focus on Form it is 5ABCD-6EFJHI? User who tried app with another card reader has same result as me with CR2. Only CR1 works for me as expected I was looking into Device manager of Windows and both devices use same HID driver supplied by MS. I checked devices though respective software from CR makers and starting and ending sentinels set to % and ? respective on both. I would appreciate and ideas and thoughts as I hit the wall myself Thank you

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• How do I read the manifest file for a webapp running in apache tomcat?

  - by Nik Reiman

  I have a webapp which contains a manifest file, in which I write the current version of my application during an ant build task. The manifest file is created correctly, but when I try to read it in during runtime, I get some strange side-effects. My code for reading in the manifest is something like this: InputStream manifestStream = Thread.currentThread() .getContextClassLoader() .getResourceAsStream("META-INFFFF/MANIFEST.MF"); try { Manifest manifest = new Manifest(manifestStream); Attributes attributes = manifest.getMainAttributes(); String impVersion = attributes.getValue("Implementation-Version"); mVersionString = impVersion; } catch(IOException ex) { logger.warn("Error while reading version: " + ex.getMessage()); } When I attach eclipse to tomcat, I see that the above code works, but it seems to get a different manifest file than the one I expected, which I can tell because the ant version and build timestamp are both different. Then, I put "META-INFFFF" in there, and the above code still works! This means that I'm reading some other manifest, not mine. I also tried this.getClass().getClassLoader().getResourceAsStream(...) But the result was the same. What's the proper way to read the manifest file from inside of a webapp running in tomcat? Edit: Thanks for the suggestions so far. Also, I should note that I am running tomcat standalone; I launch it from the command line, and then attach to the running instance in Eclipse's debugger. That shouldn't make a difference, should it?

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• Dojo DnD: how to access newly copied node on onDndDrop event?

  - by toshinao

  Hi. I am working on code like the following. 01: var c1 = new dojo.dnd.Source('container1', {copyOnly:true}); // container1 is a div 02: var c2 = new dojo.dnd.Source('container2'); // container2 is a div 03: var list = []; 04: for (var i = 0; i < 3; i++) { list.push( dojo.create('div') ); } 05: c1.insertNodes(false, list); 06: 07: function checkDndCopy(nodes, target){ 08: dojo.forEach(nodes, function(node){ alert(node.id); } ); 09: } 10: dojo.subscribe("/dnd/drop", function(){ 11: var mgr = dojo.dnd.manager(); 12: checkDndCopy(mgr.nodes, mgr.target); 13: }); The nodes inserted to the c1 at line 05 have id of "dojoUnique1, donoUnique2, dojoUnique3". On a event of drag and drop a node from c1 to c2, a onDndDrop event is fired and the subscribe method defined in line10-13 is invoked. I expected that newly copied node appears in the nodes (for example) at line 08. But this is not true. When dojoUnique1 is target of drag and drop, nodes at line 08 contains only dojoUnique1. I want to modify some attributes of newly copied nodes on the event of onDndDrop. Please let me know how such a thing is realized.

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• struts2: Redirect from global interceptor

  - by Dewfy

  In struts2 I have very simple task, after user is logged-in I'm checking if they profile is complete. If not user should be blocked from any other action and redirected to edit page. So I have created my default package: <package name="main" extends="tiles-default" > <interceptors> <interceptor name="checkProfile" class="my.CheckProfileInterceptor" /> <interceptor-stack name="secure"> <interceptor-ref name="defaultStack"/> <interceptor-ref name="checkProfile"/> </interceptor-stack> </interceptors> <default-interceptor-ref name="secure"/> </package> After it all my packages would include this template as a base: <package namespace="/packageA" name="packageA" extends="main"> ... <package namespace="/packageB" name="packageB" extends="main"> ... Saying editing page is /packageA/editProfile, my interceptor does following: public String intercept(ActionInvocation actionInvocation) throws Exception { if( currentUser.isOk() ) return "editProfile"; ... BUT! interceptor is global, so it raises struts2 error: No result defined for action (name of editProfile action class) When interceptor is placed inside some package - then everything ok. What should i do to declare global action?

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• Python web scraping involving HTML tags with attributes

  - by rohanbk

  I'm trying to make a web scraper that will parse a web-page of publications and extract the authors. The skeletal structure of the web-page is the following: <html> <body> <div id="container"> <div id="contents"> <table> <tbody> <tr> <td class="author">####I want whatever is located here ###</td> </tr> </tbody> </table> </div> </div> </body> </html> I've been trying to use BeautifulSoup and lxml thus far to accomplish this task, but I'm not sure how to handle the two div tags and td tag because they have attributes. In addition to this, I'm not sure whether I should rely more on BeautifulSoup or lxml or a combination of both. What should I do? At the moment, my code looks like what is below: import re import urllib2,sys import lxml from lxml import etree from lxml.html.soupparser import fromstring from lxml.etree import tostring from lxml.cssselect import CSSSelector from BeautifulSoup import BeautifulSoup, NavigableString address='http://www.example.com/' html = urllib2.urlopen(address).read() soup = BeautifulSoup(html) html=soup.prettify() html=html.replace('&nbsp', '&#160') html=html.replace('&iacute','&#237') root=fromstring(html) I realize that a lot of the import statements may be redundant, but I just copied whatever I currently had in more source file. EDIT: I suppose that I didn't make this quite clear, but I have multiple tags in page that I want to scrape.

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