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• How can I disable the CTRL-ALT-DEL key combination completely on XP/Vista/7?

  - by Travesty3

  I have been googling extensively to figure this out, and nobody seems to be able to give a direct answer. Let me start by saying that I'm NOT talking about requiring CTRL-ALT-DEL to enter logon information. I'm working on a golf simulator program which is used at golf centers. I need the ability to completely disable the CTRL-ALT-DEL key sequence so that the golf center customers can't get out of the program and access the computer at all. I realize there are other key combinations that need to be handled as well, we already have this entire feature working in XP, but we're going to be switching to Windows 7 soon, and CTRL-ALT-DEL is the only one that doesn't seem to work in Win7. I'd really like an all-around solution if at all possible. This same program may also be installed on a client's personal computer for an in-home golf simulator, but the computers that really need this feature (golf center computers) are provided to the golf center by us, so would the best option be to write a new shell? I don't know anything about that at all, other than others that suggest writing a new shell for kiosk mode. I'd really like a simpler option, like modifying the registry in some way. I have heard that you can remove some buttons from the menu screen that pops up, but unless I can remove pretty much all of them (including the shutdown/restart button in the bottom-right corner), this won't be enough of a solution for me. Thanks for taking the time to read this and thanks again for any help you could provide! -Travis

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• Use Google Calendar UI but showing only filtered events

  - by Edwin

  I have just started using Google Calendar API (using Python client). I'm basically developing a web app for a school with Django. What I'd like to achieve is something like this: To make things simple for now, I have 1 Google account and all events will be created in the calendar under that account (this is the school calendar). The calendar will be made public. When a class is created by a teacher, the class schedule will be automatically added as an event in the Google Calendar. When a student logs in, he can see the school calendar, showing only schedules from the classes that he's registered in. I think I can filter the calendar feeds to show only class schedules that a student is registered in using Google Data API. The problem is, how can I display Google Calendar on my web app using Google Calendar UI to show only those filtered events? I can use Google Calendar UI with the provided embeddable HTML snippet, but I can't control/filter events with that (i.e. all events in the school calendar will be displayed). Or perhaps I'm missing something? I read the Data API guide and the Publishing tool doc but I can't seem to find this information. THanks in advance!

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• Twitter4J throws exception in TwitterFactory

  - by Philipp Andre

  Hello Guys, i'm trying to access twitter via oauth. Therefore, i registered my app, downloaded Twitter4j, added the jars in my Eclipse-Project, and then tried to execute the following code: Twitter twitter = new TwitterFactory().getOAuthAuthorizedInstance("[key]","[secretKey]); RequestToken requestToken = twitter.getOAuthRequestToken(); System.out.println(requestToken.getAuthorizationURL()); But it raises the following exception: [Sat May 29 11:19:11 CEST 2010]Using class twitter4j.internal.logging.StdOutLoggerFactory as logging factory. [Sat May 29 11:19:11 CEST 2010]Use twitter4j.internal.http.alternative.HttpClientImpl as HttpClient implementation. Exception in thread "main" java.lang.AssertionError: java.lang.reflect.InvocationTargetException at twitter4j.internal.http.HttpClientFactory.getInstance(HttpClientFactory.java:71) at twitter4j.internal.http.HttpClientWrapper.<init>(HttpClientWrapper.java:59) at twitter4j.http.OAuthAuthorization.init(OAuthAuthorization.java:83) at twitter4j.http.OAuthAuthorization.<init>(OAuthAuthorization.java:74) at twitter4j.TwitterFactory.getOAuthAuthorizedInstance(TwitterFactory.java:112) at MainProgram.main(MainProgram.java:18) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at twitter4j.internal.http.HttpClientFactory.getInstance(HttpClientFactory.java:65) ... 5 more Caused by: java.lang.NoClassDefFoundError: org/apache/http/impl/client/DefaultHttpClient at twitter4j.internal.http.alternative.HttpClientImpl.<init>(HttpClientImpl.java:63) ... 10 more I currently can't figure out why ... can you please give me some suggestions? Best regards Philipp

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• Problem with XML encoding of database contents with Latin characters

  - by user89691

  I have an ASP Access database that contains strings in various European languages. The database was populated prior by agents in the respective countries. It contains entries with accented etc characters as you would expect. If I open the database with MS Access these characters show up fine. For example the the German equivalent of "Open" shows as "Öffnen" (hopefully you can see an "O" with 2 dots above it!). I have ASP code that reads the database and returns records in XML. The text is passed to XMLEncode to construct the XML, but that only seems to deal with the 5 specials like "<", "&", etc. If I dump the XML the accented characters are unchanged. <English>Open</English> <German>Öffnen</German> If I look at the raw packets with Wireshark I see that the "Ö" byte is hex D6, which appears to be it's decimal Unicode and ISO 8859-1 value. The problem starts when I try to parse the XML in client-side JS. I get: "An invalid character was found in text content" from IE. FF and Chrome happily accept the XML without hiccup but the browser shows the "Ö" character as a diamond with a question mark inside. http://www.validome.org/xml/validate/ reports "encoding error." http://www.w3schools.com/dom/dom_validate.asp thinks it is fine. The XML is UTF-8 encoded. What do I need to do to have IE accept my XML without complaint? What do I need to do to have browsers display the stuff correctly?

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• Python interface to PayPal - urllib.urlencode non-ASCII characters failing

  - by krys

  I am trying to implement PayPal IPN functionality. The basic protocol is as such: The client is redirected from my site to PayPal's site to complete payment. He logs into his account, authorizes payment. PayPal calls a page on my server passing in details as POST. Details include a person's name, address, and payment info etc. I need to call a URL on PayPal's site internally from my processing page passing back all the params that were passed in abovem and an additional one called 'cmd' with a value of '_notify-validate'. When I try to urllib.urlencode the params which PayPal has sent to me, I get a: While calling send_response_to_paypal. Traceback (most recent call last): File "<snip>/account/paypal/views.py", line 108, in process_paypal_ipn verify_result = send_response_to_paypal(params) File "<snip>/account/paypal/views.py", line 41, in send_response_to_paypal params = urllib.urlencode(params) File "/usr/local/lib/python2.6/urllib.py", line 1261, in urlencode v = quote_plus(str(v)) UnicodeEncodeError: 'ascii' codec can't encode character u'\ufffd' in position 9: ordinal not in range(128) I understand that urlencode does ASCII encoding, and in certain cases, a user's contact info can contain non-ASCII characters. This is understandable. My question is, how do I encode non-ASCII characters for POSTing to a URL using urllib2.urlopen(req) (or other method) Details: I read the params in PayPal's original request as follows (the GET is for testing): def read_ipn_params(request): if request.POST: params= request.POST.copy() if "ipn_auth" in request.GET: params["ipn_auth"]=request.GET["ipn_auth"] return params else: return request.GET.copy() The code I use for sending back the request to PayPal from the processing page is: def send_response_to_paypal(params): params['cmd']='_notify-validate' params = urllib.urlencode(params) req = urllib2.Request(PAYPAL_API_WEBSITE, params) req.add_header("Content-type", "application/x-www-form-urlencoded") response = urllib2.urlopen(req) status = response.read() if not status == "VERIFIED": logging.warn("PayPal cannot verify IPN responses: " + status) return False return True Obviously, the problem only arises if someone's name or address or other field used for the PayPal payment does not fall into the ASCII range.

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• Problem with oracle stored procedure - parameters

  - by Nicole

  I have this stored procedure: CREATE OR REPLACE PROCEDURE "LIQUIDACION_OBTENER" ( p_Cuenta IN NUMBER, p_Fecha IN DATE, p_Detalle OUT LIQUIDACION.FILADETALLE%TYPE ) IS BEGIN SELECT FILADETALLE INTO p_Detalle FROM Liquidacion WHERE (FILACUENTA = p_Cuenta) AND (FILAFECHA = p_Fecha); END; / ...and my c# code: string liquidacion = string.Empty; OracleCommand command = new OracleCommand("Liquidacion_Obtener"); command.BindByName = true; command.Parameters.Add(new OracleParameter("p_Cuenta", OracleDbType.Int64)); command.Parameters["p_Cuenta"].Value = cuenta; command.Parameters.Add(new OracleParameter("p_Fecha", OracleDbType.Date)); command.Parameters["p_Fecha"].Value = fecha; command.Parameters.Add("p_Detalle", OracleDbType.Varchar2, ParameterDirection.Output); OracleConnectionHolder connection = null; connection = this.GetConnection(); command.Connection = connection.Connection; command.CommandTimeout = 30; command.CommandType = CommandType.StoredProcedure; OracleDataReader lector = command.ExecuteReader(); while (lector.Read()) { liquidacion += ((OracleString)command.Parameters["p_Detalle"].Value).Value; } the thing is that when I try to put a value into the parameter "Fecha" (that is a date) the code gives me this error (when the line command.ExecuteReader(); is executed) Oracle.DataAccess.Client.OracleException : ORA-06502: PL/SQL: numeric or value error ORA-06512: at "SYSTEM.LIQUIDACION_OBTENER", line 9 ORA-06512: at line 1 I tried with the datetime and was not the problem, I eve tried with no input parameters and just the output and still got the same error. Aparently the problem is with the output parameter. I already tried putting p_Detalle OUT VARCHAR2 instead of p_Detalle OUT LIQUIDACION.FILADETALLE%TYPE but it didn't work either I hope my post is understandable.. thanks!!!!!!!!!!

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• How to fill DataGridView from nested table oracle

  - by arkadiusz85

  I want to create my type: CREATE TYPE t_read AS OBJECT ( id_worker NUMBER(20), how_much NUMBER(5,2), adddate_r DATE, date_from DATE, date_to DATE ); I create a table of my type: CREATE TYPE t_tab_read AS TABLE OF t_read; Next step is create a table with my type: enter code hereCREATE TABLE Reading ( id_watermeter NUMBER(20) constraint Watermeter_fk1 references Watermeters(id_watermeter), read t_tab_read ) NESTED TABLE read STORE AS store_read ; Microsoft Visual Studio can not display this type in DataGridView. I use Oracle.Command: C# using Oracle.DataAccess; using Oracle.DataAccess.Client; private void button1_Click(object sender, EventArgs e) { try { //my working class to connect to database ConnectionClass.BeginConnection(); OracleDataAdapter tmp = new OracleDataAdapter(); tmp = ConnectionClass.ReadCommand(ReadClass.test()); DataSet dataset4 = new DataSet(); tmp.Fill(dataset4, "Read1"); dataGridView4.DataSource = dataset4.Tables["Read1"]; } catch (Exception o) { MessageBox.Show(o.Message); } public class ReadClass { public static OracleCommand test() { string sql = "select c.id_watermeter, a. from reading c , table (c.read) a where id_watermeter=1"; ConnectionClass.Command1= new OracleCommand(sql, ConnectionClass.Connection); ConnectionClass.Command1.CommandType = CommandType.Text; return ConnectionClass.Command1; } } I tray: string sql = "select r.id_watermeter, o.id_worker, o.how_much, o.adddate_r, o.date_from, o.date_to from reading r, table (r.read) o where r.id_watermeter=1" string sql = "select a.from reading c , Table (c.read) a where id_watermeter=1" string sql = "select a.id_worker, a.how_much, a.adddate_r, a.date_from, a.date_to from reading c , table (c.read) a where id_watermeter=1" string sql = "select c.id_watermeter, a. from reading c , table (c.read) a where id_watermeter=1" Error : Unsuported Oracle data type USERDEFINED encountered Sombady can help me how to fill DataGridView using data from nested table. I am using Oracle 10g XE

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• Boost.MultiIndex: Are there way to share object between two processes?

  - by Arman

  Hello, I have a Boost.MultiIndex big array about 10Gb. In order to reduce the reading I thought there should be a way to keep the data in the memory and another client programs will be able to read and analyse it. What is the proper way to organize it? The array looks like: struct particleID { int ID;// real ID for particle from Gadget2 file "ID" block unsigned int IDf;// postition in the file particleID(int id,const unsigned int idf):ID(id),IDf(idf){} bool operator<(const particleID& p)const { return ID<p.ID;} unsigned int getByGID()const {return (ID&0x0FFF);}; }; struct ID{}; struct IDf{}; struct IDg{}; typedef multi_index_container< particleID, indexed_by< ordered_unique< tag<IDf>, BOOST_MULTI_INDEX_MEMBER(particleID,unsigned int,IDf)>, ordered_non_unique< tag<ID>,BOOST_MULTI_INDEX_MEMBER(particleID,int,ID)>, ordered_non_unique< tag<IDg>,BOOST_MULTI_INDEX_CONST_MEM_FUN(particleID,unsigned int,getByGID)> > > particlesID_set; Any ideas are welcome. kind regards Arman.

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• When using Data Annotations with MVC, Pro and Cons of using an interface vs. a MetadataType

  - by SkippyFire

  If you read this article on Validation with the Data Annotation Validators, it shows that you can use the MetadataType attribute to add validation attributes to properties on partial classes. You use this when working with ORMs like LINQ to SQL, Entity Framework, or Subsonic. Then you can use the "automagic" client and server side validation. It plays very nicely with MVC. However, a colleague of mine used an interface to accomplish exactly the same result. it looks almost exactly the same, and functionally accomplishes the same thing. So instead of doing this: [MetadataType(typeof(MovieMetaData))] public partial class Movie { } public class MovieMetaData { [Required] public object Title { get; set; } [Required] [StringLength(5)] public object Director { get; set; } [DisplayName("Date Released")] [Required] public object DateReleased { get; set; } } He did this: public partial class Movie :IMovie { } public interface IMovie { [Required] object Title { get; set; } [Required] [StringLength(5)] object Director { get; set; } [DisplayName("Date Released")] [Required] object DateReleased { get; set; } } So my question is, when does this difference actually matter? My thoughts are that interfaces tend to be more "reusable", and that making one for just a single class doesn't make that much sense. You could also argue that you could design your classes and interfaces in a way that allows you to use interfaces on multiple objects, but I feel like that is trying to fit your models into something else, when they should really stand on their own. What do you think?

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• zxing project on android

  - by Aisthesis Cronos

  Hello everybody Many weeks ago,I tried to work on a mini project on Android OS requires ZXING, I followed several tutorials on this web site and on other Example: tuto1, and many tags and tutorials here tuto2, tuto3 ... But I failed each time. I can't import the android project into eclipse IDE to compile it with my code "not via Intent zxing APK-and my program like this example : private Button.OnClickListener btScanListener = new Button.OnClickListener() { public void onClick(View v) { Intent intent = new Intent("com.google.zxing.client.android.SCAN"); intent.putExtra("SCAN_MODE", "QR_CODE_MODE"); try { startActivityForResult(intent, REQUEST_SCAN); } catch (ActivityNotFoundException e) { Toast.makeText(Main.this, "Barcode Scanner not intaled ", 2000).show(); } } }; public void onActivityResult(int reqCode, int resCode, Intent intent) { if (REQUEST_SCAN == reqCode) { if (RESULT_OK == resCode) { String contents = intent.getStringExtra("SCAN_RESULT"); Toast.makeText(this, "Succès : " + contents, 2000).show(); } else if (RESULT_CANCELED == resCode) { Toast.makeText(this, "Scan annulé", 2000).show(); } } }` ". I feel disappointed, frustrated and sad. I still have errors after importing the project. I tried both versions 1.5 and 1.6 zxing I tried to import the project c: \ ZXing-1.6 \ android, and an other new project with c: \ ZXing-1.6 \ zxing-1.6 \ android,I cheked out SVN: ttp: / / zxing.googlecode.com / svn / trunk / zxing-read-only with tortoiseSVN and reproduce the same work, but unfortunately without results! I really fed up with myself ... Please help me to solve this problem.how can I import the project and compile it correctly in my own project? 1 - I use Windows 7 64-bit Home Premium 2 - Eclipse IDE for Java EE Web Developers. Version: Helios Service Release 2 Build id: 20110218-0911 What is the effective and sure method to run this, otherwise if there is a video or a guide details or someone who already done it previously I would really appreciate it if someone would help me out

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• Improving Performance of Crystal Reports using Stored Procedures

  - by mjh41

  Recently I updated a Crystal Report that was doing all of its work on the client-side (Selects, formulas, etc) and changed all of the logic to be done on the server-side through Stored Procedures using an Oracle 11g database. Now the report is only being used to display the output of the stored procedures and nothing else. Everything I have read on this subject says that utilizing stored procedures should greatly reduce the running time of the report, but it still takes roughly the same amount of time to retrieve the data from the server. Is there something wrong with the stored procedure I have written, or is the issue in the Crystal Report itself? Here is the stored procedure code along with the package that defines the necessary REF CURSOR. CREATE OR REPLACE PROCEDURE SP90_INVENTORYDATA_ALL ( invdata_cur IN OUT sftnecm.inv_data_all_pkg.inv_data_all_type, dCurrentEndDate IN vw_METADATA.CASEENTRCVDDATE%type, dCurrentStartDate IN vw_METADATA.CASEENTRCVDDATE%type ) AS BEGIN OPEN invdata_cur FOR SELECT vw_METADATA.CREATIONTIME, vw_METADATA.RESRESOLUTIONDATE, vw_METADATA.CASEENTRCVDDATE, vw_METADATA.CASESTATUS, vw_METADATA.CASENUMBER, (CASE WHEN vw_METADATA.CASEENTRCVDDATE < dCurrentStartDate AND ( (vw_METADATA.CASESTATUS is null OR vw_METADATA.CASESTATUS != 'Closed') OR TO_DATE(vw_METADATA.RESRESOLUTIONDATE, 'MM/DD/YYYY') >= dCurrentStartDate) then 1 else 0 end) InventoryBegin, (CASE WHEN (to_date(vw_METADATA.RESRESOLUTIONDATE, 'MM/DD/YYYY') BETWEEN dCurrentStartDate AND dCurrentEndDate) AND vw_METADATA.RESRESOLUTIONDATE is not null AND vw_METADATA.CASESTATUS is not null then 1 else 0 end) CaseClosed, (CASE WHEN vw_METADATA.CASEENTRCVDDATE BETWEEN dCurrentStartDate AND dCurrentEndDate then 1 else 0 end) CaseCreated FROM vw_METADATA WHERE vw_METADATA.CASEENTRCVDDATE <= dCurrentEndDate ORDER BY vw_METADATA.CREATIONTIME, vw_METADATA.CASESTATUS; END SP90_INVENTORYDATA_ALL; And the package: CREATE OR REPLACE PACKAGE inv_data_all_pkg AS TYPE inv_data_all_type IS REF CURSOR RETURN inv_data_all_temp%ROWTYPE; END inv_data_all_pkg;

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• Amazon Elastic MapReduce: Exception from FileSystem

  - by S.N

  Hi, I run my application using ruby client: ruby elastic-mapreduce -j j-20PEKMT9BRSUC --jar s3n://sakae55/lib/edu.cit.som.jar --main-class edu.cit.som.hadoop.SOMDriver --arg s3n://sakae55/repository/input/ecoli/ --arg s3n://sakae55/repository/output/ecoli/pl/ --arg s3n://sakae55/repository/data/ecoli/som.txt Then, I am seeing the following error: java.lang.IllegalArgumentException: This file system object (file:///) does not support access to the request path 'hdfs://i -10-195-207-230.ec2.internal:9000/mnt/var/lib/hadoop/tmp/mapred/system/job_201004221221_0017/job.jar' You possibly called Fi eSystem.get(conf) when you should of called FileSystem.get(uri, conf) to obtain a file system supporting your path. at org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:320) at org.apache.hadoop.fs.RawLocalFileSystem.pathToFile(RawLocalFileSystem.java:52) at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:416) at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:259) at org.apache.hadoop.fs.FileSystem.isDirectory(FileSystem.java:676) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:200) at org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1184) at org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1160) at org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1132) at org.apache.hadoop.mapred.JobClient.configureCommandLineOptions(JobClient.java:662) at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:729) at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1026) at edu.cit.som.hadoop.SOMDriver.runIteration(SOMDriver.java:106) at edu.cit.som.hadoop.SOMDriver.train(SOMDriver.java:69) at edu.cit.som.hadoop.SOMDriver.run(SOMDriver.java:52) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) at edu.cit.som.hadoop.SOMDriver.main(SOMDriver.java:36) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.util.RunJar.main(RunJar.java:155) at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68) I am not sure why the error references to "file:///" even though all the arguments I pass do not use the schema.

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• Experience migrating legacy Cobol/PL1 to Java

  - by MadMurf

  ORIGINAL Q: I'm wondering if anyone has had experience of migrating a large Cobol/PL1 codebase to Java? How automated was the process and how maintainable was the output? How did the move from transactional to OO work out? Any lessons learned along the way or resources/white papers that may be of benefit would be appreciated. EDIT 7/7: Certainly the NACA approach is interesting, the ability to continue making your BAU changes to the COBOL code right up to the point of releasing the JAVA version has merit for any organization. The argument for procedural Java in the same layout as the COBOL to give the coders a sense of comfort while familiarizing with the Java language is a valid argument for a large organisation with a large code base. As @Didier points out the $3mil annual saving gives scope for generous padding on any BAU changes going forward to refactor the code on an ongoing basis. As he puts it if you care about your people you find a way to keep them happy while gradually challenging them. The problem as I see it with the suggestion from @duffymo to Best to try and really understand the problem at its roots and re-express it as an object-oriented system is that if you have any BAU changes ongoing then during the LONG project lifetime of coding your new OO system you end up coding & testing changes on the double. That is a major benefit of the NACA approach. I've had some experience of migrating Client-Server applications to a web implementation and this was one of the major issues we encountered, constantly shifting requirements due to BAU changes. It made PM & scheduling a real challenge. Thanks to @hhafez who's experience is nicely put as "similar but slightly different" and has had a reasonably satisfactory experience of an automatic code migration from Ada to Java. Thanks @Didier for contributing, I'm still studying your approach and if I have any Q's I'll drop you a line.

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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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• REST application, Transactions, Cache drop

  - by Julian Davchev

  Hi, I am building REST API in php with memcache layer on top for caching all resources. After some reading experience it turns out it's best when documents are as simple as posible...mainly due to dropping cache sequences. So if there is 'building','room' entities for the 'room' document I would only place the id of the 'building' and not the whole data of it. Then on api client side I would merge data as needed. Problem becomes when I need to update/insert (most cases more than one table). I update one resource but on second update system fails or whatever and there becomes database inconsistancies. I see several solutions: 1. Implement rest transactions which I find wrong and complex as idea is to be stateless and easy. 2. On update/insert actions I pass more complex data (not single entities) so I can force transactions on API level. But this will make it weird that your GET document structure is same as PUT document structure. And again somehow make drop sequences complex. Any pointers are more than welcome. Cheers,

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• Looping through python-dictionary-turned-into-json in javascript.

  - by Phil

  In writing a django app, I am returning the following json on a jQuery ajax call: { "is_owner": "T", "author": "me", "overall": "the surfing lifestyle", "score": "1", "meanings": { "0": "something", "1": "something else", "3": "yet something else", "23": "something random" }, "user vote": "1" } In the javascript/jQuery callback function, I can access the is_owner, author, etc. easily enough. is_owner = json.is_owner; author = json.author; But for meanings, the numbers are different depending on what it pulls from the server. On the server side for the meanings part, right now what I'm doing is constructing a dictionary like so: meanings_dict = {} meanings = requested_tayke.meanings.all() for meaning in meanings: meanings_dict[meaning.location] = meaning.text and then returning a json I create like this: test_json = simplejson.dumps({'is_owner':is_owner, 'overall':overall, 'score':str(score),'user vote':str(user_vote), 'author': author, 'meanings' : meanings_dict }) print test_json return HttpResponse(test_json) My question is this: how do I access the 'meanings' data from my json in javascript? I need to loop through all of it. Maybe I need to be loading it into json differently. I have full control so of both the server and client side so I'm willing to change either to make it work. Also worth noting: I'm not using Django's serialize functionality. I couldn't make it work with my situation.

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• Service reference addition issue in visual studio 2010

  - by user293072

  I am currently working on an application that allows reverse geocoding using silverlight + bing maps. The thing is that I want to add a reference to the reverse geocoding service provided in msdn ( http://msdn.microsoft.com/en-us/library/cc879136.aspx) i.e. http:// dev.virtualearth.net/webservices/v1/geocodeservice/geocodeservice.svc?wsdl, but when I try to get a reference in vs2010, I get the following error: The document at the url http:// dev.virtualearth.net/webservices/v1/metadata/geocodeservice/geocodeservice.wsdl was not recognized as a known document type. The error message from each known type may help you fix the problem: Report from 'XML Schema' is ''', hexadecimal value 0x1F, is an invalid character. Line 1, position 1.'. Report from 'DISCO Document' is ''', hexadecimal value 0x1F, is an invalid character. Line 1, position 1.'. Report from 'WSDL Document' is 'There is an error in XML document (1, 1).'. '', hexadecimal value 0x1F, is an invalid character. Line 1, position 1. Metadata contains a reference that cannot be resolved: 'http://dev.virtualearth.net/webservices/v1/geocodeservice/geocodeservice.svc?wsdl'. Content Type application/soap+xml; charset=utf-8 was not supported by service http: //dev.virtualearth.net/webservices/v1/geocodeservice/geocodeservice.svc?wsdl. The client and service bindings may be mismatched. The remote server returned an error: (415) Unsupported Media Type. If the service is defined in the current solution, try building the solution and adding the service reference again. It is good to mention that I can access the service URL from the browser (with a no style information warning). I am aware that there are other reverse geolocoding services out there, but I am somewhat forced by certain circumstances to use only Microsoft-related components/services. Please help :)

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• Can WPF based ActiveX control use Reg-Free-COM

  - by embnut

  I have a WPF based ActiveX control (COM interop). I am able to use it correctly by registering the control. When I tried to Reg-Free-COM (using manifest files) the control seems to be activated, but the events (such as mouse click, RequestBringIntoView etc) dont respond. Interestingly, Double click and tab key works. I read in the this article http://blogs.msdn.com/karstenj/archive/2006/10/09/activex-wpf-gadget.aspx that " ... These upsides come with a price: the ActiveX control must be registered in the registry, which requires some kind of installation such as an .msi. The default gadget installation process cannot install ActiveX. The ActiveX control can't be access via reg-free COM. ..." Has anybody had a similar experience? Can anyone explain what is going on? Additional details: When the control is activated after it has been registered it appears as part of the COM client's UI. The control does not receive focus, its elements receive it. When using reg-free-com the control does not load correctly. 1) The control receives focus instead of its sub elements 2) The control has areas that are black instead of the windows default color 3) when I tab in and out of the control or double click it, it's subelements receive focus, the control starts receiving events and the black areas are replaced by the correct color

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• Getting Service Tag from Dell Machine using .net?

  - by JonH

  Hello folks I've got a class that pulls model information (hardware info) for a local machine code is like so: Imports System.Management Public Class clsWMI Private objOS As ManagementObjectSearcher Private objCS As ManagementObjectSearcher Private objMgmt As ManagementObject Private m_strComputerName As String Private m_strManufacturer As String Private m_StrModel As String Private m_strOSName As String Private m_strOSVersion As String Private m_strSystemType As String Private m_strTPM As String Private m_strWindowsDir As String Public Sub New() objOS = New ManagementObjectSearcher("SELECT * FROM Win32_OperatingSystem") objCS = New ManagementObjectSearcher("SELECT * FROM Win32_ComputerSystem") For Each objMgmt In objOS.Get m_strOSName = objMgmt("name").ToString() m_strOSVersion = objMgmt("version").ToString() m_strComputerName = objMgmt("csname").ToString() m_strWindowsDir = objMgmt("windowsdirectory").ToString() Next For Each objMgmt In objCS.Get m_strManufacturer = objMgmt("manufacturer").ToString() m_StrModel = objMgmt("model").ToString() m_strSystemType = objMgmt("systemtype").ToString m_strTPM = objMgmt("totalphysicalmemory").ToString() Next End Sub Public ReadOnly Property ComputerName() Get ComputerName = m_strComputerName End Get End Property Public ReadOnly Property Manufacturer() Get Manufacturer = m_strManufacturer End Get End Property Public ReadOnly Property Model() Get Model = m_StrModel End Get End Property Public ReadOnly Property OsName() Get OsName = m_strOSName End Get End Property Public ReadOnly Property OSVersion() Get OSVersion = m_strOSVersion End Get End Property Public ReadOnly Property SystemType() Get SystemType = m_strSystemType End Get End Property Public ReadOnly Property TotalPhysicalMemory() Get TotalPhysicalMemory = m_strTPM End Get End Property Public ReadOnly Property WindowsDirectory() Get WindowsDirectory = m_strWindowsDir End Get End Property End Class Any possibility to get a service tag from WMI ? From the client side form I display values like so: Dim objWMI As New clsWMI() With objWMI Debug.WriteLine("Computer Name = " & .ComputerName) Me.Label1.Text = "Name: " & .ComputerName Debug.WriteLine("Computer Manufacturer = " & .Manufacturer) Me.Label2.Text = "Manufacturer: " & .Manufacturer Debug.WriteLine("Computer Model = " & .Model) Me.Label3.Text = "Model: " & .Model Debug.WriteLine("OS Name = " & .OsName) Me.Label4.Text = "OS Name: " & .OsName Debug.WriteLine("OS Version = " & .OSVersion) Me.Label5.Text = "OS VERSION: " & .OSVersion Debug.WriteLine("System Type = " & .SystemType) Me.Label6.Text = "System type = " & .SystemType Debug.WriteLine("Total Physical Memory = " & .TotalPhysicalMemory) Me.Label7.Text = "Memory: " & .TotalPhysicalMemory Debug.WriteLine("Windows Directory = " & .WindowsDirectory) Me.Label8.Text = "Win Directory: " & .WindowsDirectory End With

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• Tagging translated text correctly (tagging with lang="")

  - by toomanyairmiles

  A client has asked me to add some polish text to their website, not having much experience in this area, can anyone tell me which of the two 'lang' solutions below is correct (or offer an alternative):- Tag everything:- <div lang="pl"> <h2 lang="pl">Najlepszy ruch jaki zrobisz!</h2> <p lang="pl">Do przyszlych najemców:</p> <p lang="pl">Tutaj w SPS mamy bogate doswiadczenie na rynku najmu i wyszukiwaniu domu, który bedzie idealnym miejscem dla przyszlych lokatorów. Dla wielu moze to byc trudne i stresujace, dlatego my w SPS pomozemy Wam przejsc przez pole minowe zwiazane z najmem i uczynic ten proces najprostszym i najszybszym jak to mozliwe.</p> <p lang="pl">Jesli szukasz nieruchomosci obecnie lub w najblizszej przyszlosci prosimy o kontakt z naszym doswiadczonym , przyjaznym i pomocnym personelem, a my postaramy sie pomóc znalezc Ci idealne miejsce, które jest wlasnie dla Ciebie.</p> <p lang="pl">Wiec aby w latwy sposób wynajac zadzwon juz dzis.</p> </div> Just tag the div <div lang="pl"> <h2>Najlepszy ruch jaki zrobisz!</h2> <p>Do przyszlych najemców:</p> <p>Tutaj w SPS mamy bogate doswiadczenie na rynku najmu i wyszukiwaniu domu, który bedzie idealnym miejscem dla przyszlych lokatorów. Dla wielu moze to byc trudne i stresujace, dlatego my w SPS pomozemy Wam przejsc przez pole minowe zwiazane z najmem i uczynic ten proces najprostszym i najszybszym jak to mozliwe.</p> <p>Jesli szukasz nieruchomosci obecnie lub w najblizszej przyszlosci prosimy o kontakt z naszym doswiadczonym , przyjaznym i pomocnym personelem, a my postaramy sie pomóc znalezc Ci idealne miejsce, które jest wlasnie dla Ciebie.</p> <p>Wiec aby w latwy sposób wynajac zadzwon juz dzis.</p> </div>

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• Google Federated Login vs Hybrid Protocol vs Google Data Authentication. Whats's the Difference?

  - by johnfelix

  Hi, I am trying to implement Google Authentication in my website, in which I would also be pulling some Google Data using the Google Data API and I am using Google App Engine with Jinja2. My question is, so many ways are mentioned to do it. I am confused between Google Federated Login,Google Data Protocol, Hybrid Protocol. Are these things the same or different ways to do the same thing. From what I read and understood, which might be incorrect, Google Federated Login uses the hybrid protocol to authenticate and fetch the google data. Is there a proper guide to implement any one of these in python. Examples which I found at the google link are kind of different. From what I understood,correct me if i am wrong, I have to implement only the OpenID Consumer part. In order to implement Google Federated Login in Python, I saw that we need to download a separate library from the openid-enabled.com but I found a different library for the google data implementation at http://code.google.com/p/gdata-python-client/ As you can see, I am confused a lot :D. Please help me :) Thanks

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• How to get principal name from HTTPRequest in CXF JAX-RS webservice method called from android app.

  - by johnrock

  How can I get the principal name, session and ideally check if the principal is authenticated with the Spring Security context inside a CXF JAX-RS webservice method receiving a call from an Android client? This is the code I am currently working with. I have commented where and what I am trying to get. Android code to call webservice: httpclient.getCredentialsProvider().setCredentials( new AuthScope("192.168.1.101", 80), new UsernamePasswordCredentials("joesmith", "mypasswd")); HttpGet httpget = new HttpGet(WEBSERVICE_URL+"/makePayload"); httpget.setHeader("User-Agent", userAgent); httpget.setHeader("Content-Type", "application/xml"); HttpResponse response; try { response = httpclient.execute(httpget); HttpEntity entity = response.getEntity(); ... parse xml from response } CXF, Spring webservice code: @GET @Path("/getPayload") @Produces("application/XML") public Response makePayload(@Context Request request){ //Get user principal name //Get session? //Get Spring security context? Payload payload = new Payload(); payload.setUsersOnline(new Long(200)); return Response.ok().entity(payload).build(); }

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• Optimal Serialization of Primitive Types

  - by Greg Dean

  We are beginning to roll out more and more WAN deployments of our product (.Net fat client w/ IIS hosted Remoting backend). Because of this we are trying to reduce the size of the data on the wire. We have overridden the default serialization by implementing ISerializable (similar to this), we are seeing anywhere from 12% to 50% gains. Most of our efforts focus on optimizing arrays of primitive types. I would like to know if anyone knows of any fancy way of serializing primitive types, beyond the obvious? For example today we serialize an array of ints as follows: [4-bytes (array length)][4-bytes][4-bytes] Can anyone do significantly better? The most obvious example of a significant improvement, for boolean arrays, is putting 8 bools in each byte, which we already do. Note: Saving 7 bits per bool may seem like a waste of time, but when you are dealing with large magnitudes of data (which we are), it adds up very fast. Note: We want to avoid general compression algorithms because of the latency associated with it. Remoting only supports buffered requests/responses(no chunked encoding). I realize there is a fine line between compression and optimal serialization, but our tests indicate we can afford very specific serialization optimizations at very little cost in latency. Whereas reprocessing the entire buffered response into new compressed buffer is too expensive.

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• Accessing Item Fields via Sitecore Web Service

  - by Catch

  I am creating items on the fly via Sitecore Web Service. So far I can create the items from this function: AddFromTemplate And I also tried this link: http://blog.hansmelis.be/2012/05/29/sitecore-web-service-pitfalls/ But I am finding it hard to access the fields. So far here is my code: public void CreateItemInSitecore(string getDayGuid, Oracle.DataAccess.Client.OracleDataReader reader) { if (getDayGuid != null) { var sitecoreService = new EverBankCMS.VisualSitecoreService(); var addItem = sitecoreService.AddFromTemplate(getDayGuid, templateIdRTT, "Testing", database, myCred); var getChildren = sitecoreService.GetChildren(getDayGuid, database, myCred); for (int i = 0; i < getChildren.ChildNodes.Count; i++) { if (getChildren.ChildNodes[i].InnerText.ToString() == "Testing") { var getItem = sitecoreService.GetItemFields(getChildren.ChildNodes[i].Attributes[0].Value, "en", "1", true, database, myCred); string p = getChildren.ChildNodes[i].Attributes[0].Value; } } } } So as you can see I am creating an Item and I want to access the Fields for that item. I thought that GetItemFields will give me some value, but finding it hard to get it. Any clue?

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• HTML5 <video> callbacks?

  - by Andrew

  I'm working on a site for a client and they're insistent on using HTML5's video tag as the delivery method for some of their video content. I currently have it up and running with a little help from http://videojs.com/ to handle the Internet Explorer Flash fallback. One thing they've asked me to do is, after the videos finish playing (they're all a different length), fade them out and then fade a picture in place of the video --- think of it like a poster frame after the video. Is this even possible? Can you get the timecode of a currently playing movie via Javascript or some other method? I know Flowplayer (http://flowplayer.org/demos/scripting/grow.html) has an onFinish function, is that the route I should take in lieu of the HTML5 video method? Does the fact that IE users will be getting a Flash player require two separate solutions? Any input would be greatly appreciated. I'm currently using jQuery on the site, so I'd like to keep the solution in that realm if at all possible. Thanks!

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