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• Drupal rest services in Json format

  - by Sreekanth Chandrabhatla

  Amworking on drupal 7. Created a rest services in drupal views. I want to consume this service in my android app. When i try to view my service http://mysite.com/ubercart/?q=doctor am getting response like this [{,"foaf:Document"],"title":{"predicates":["dc:title"]},"created":{"predicates":["dc:date","dc:created"],"datatype":"xsd:dateTime","callback":"date_iso8601"},"changed":{"predicates":["dc:modified"],"datatype":"xsd:dateTime","callback":"date_iso8601"},"body":{"predicates":[""vid":"12","uid":"1","title":"raja","log":"","status":"1","comment":"2","promote":"0","sticky":"0","nid":"12","type":"doctor","language":"und","created":"1351849158","changed":"1351849158","tnid":"0","translate":"0","revision_timestamp":"1351849158","revision_uid":"1","field_rating":{"und":[{"value":"4"}]},"field_place":{"und":[{"value":"Guntur","format":null,"safe_value":"Guntur"}]},"rdf_mapping":{"rdftype":["sioc:Item","foaf:Document"],"title":{"predicates":["dc:title"]},"created":{"predicates":["dc:date","dc:created"],"datatype":"xsd:dateTime","callback":"date_iso8601"},"changed":{"predicates":["dc:modified"],"datatype":"xsd:dateTime","callback":"date_iso8601"},"body":{"predicates":["content:encoded"]},"uid":{"predicates":["sioc:has_creator"],"type":"rel"},"name":{"predicates":["foaf:name"]},"comment_count":{"predicates":["sioc:num_replies"],"datatype":"xsd:integer"},"last_activity":{"predicates":["sioc:last_activity_date"],"datatype":"xsd:dateTime","callback":"date_iso8601"}},"cid":"0","last_comment_timestamp":"1351849158","last_comment_name":null,"last_comment_uid":"1","comment_count":"0","name":"admin","picture":"0","data":"b:0;","uc_order_product_id":false,"ucnc_product_nid":false},{"vid":"11","uid":"1","title":"ravi","log":"","status":"1","comment":"2","promote":"0","sticky":"0","nid":"11","type":"doctor","language":"und","created":"1351849131","changed":"1351849131","tnid":"0","translate":"0","revision_timestamp":"1351849131","revision_uid":"1","field_rating":{"und":[{"value":"5"}]},"field_place":{"und":[{"value":"Hyderabad","format":null,"safe_value":"Hyderabad"}]},"rdf_mapping":{"rdftype":["sioc:Item","foaf:Document"],"title":{"predicates":["dc:title"]},"created":{"predicates":["dc:date","dc:created"],"datatype":"xsd:dateTime","callback":"date_iso8601"},"changed":{"predicates":["dc:modified"],"datatype":"xsd:dateTime","callback":"date_iso8601"},"body":{"predicates":["content:encoded"]},"uid":{"predicates":["sioc:has_creator"],"type":"rel"},"name":{"predicates":["foaf:name"]},"comment_count":{"predicates":["sioc:num_replies"],"datatype":"xsd:integer"},"last_activity":{"predicates":["sioc:last_activity_date"],"datatype":"xsd:dateTime","callback":"date_iso8601"}},"cid":"0","last_comment_timestamp":"1351849131","last_comment_name":null,"last_comment_uid":"1","comment_count":"0","name":"admin","picture":"0","data":"b:0;","uc_order_product_id":false,"ucnc_product_nid":false},{"vid":"10","uid":"1","title":"sree","log":"","status":"1","comment":"2","promote":"0","sticky":"0","nid":"10","type":"doctor","language":"und","created":"1351849109","changed":"1351849109","tnid":"0","translate":"0","revision_timestamp":"1351849109","revision_uid":"1","field_rating":{"und":[{"value":"4"}]},"field_place":{"und":[{"value":"Hyderabad","format":null,"safe_value":"Hyderabad"}]},"rdf_mapping":{"rdftype":["sioc:Item"content:encoded"]},"uid":{"predicates":["sioc:has_creator"],"type":"rel"},"name":{"predicates":["foaf:name"]},"comment_count":{"predicates":["sioc:num_replies"],"datatype":"xsd:integer"},"last_activity":{"predicates":["sioc:last_activity_date"],"datatype":"xsd:dateTime","callback":"date_iso8601"}},"cid":"0","last_comment_timestamp":"1351849109","last_comment_name":null,"last_comment_uid":"1","comment_count":"0","name":"admin","picture":"0","data":"b:0;","uc_order_product_id":false,"ucnc_product_nid":false}] Actually i need response like this {"nodes":{"0":{"node":{"title":"raja","field_place":"Guntur","rating":"4"}},"1":{"node":{"title":"ravi","field_place":"Hyderabad","rating":"5"}},"2":{"node":{"title":"sree","field_place":"Hyderabad","rating":"4"}}}} Do any one can me out?

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• Jboss logging issue - pl check this

  - by balaji

  I’m Working as deployer and server administrator. We use Jboss 4.0x AS to deploy our applications. The issue I'm facing is, Whenever we redeploy/restart the server, server.log is getting created but after sometime the logging goes off. Yes it is not at all updating the server.log file. Due to this, we could not trace the other critical issues we have. Actually we have two separate nodes and we do deploy/restarting the server separately on two nodes. We are facing the issue in both of our test and production environment. I could not trace out where exactly the issue is. Could you please help me in resolving the issue? If we have any other issues, we can check the log files. If log itself is not getting updated/logged, how can we move further in analyzing the issues without the recent/updated logs? Below are the logs found in the stdout.log: 18:55:50,303 INFO [Server] Core system initialized 18:55:52,296 INFO [WebService] Using RMI server codebase: http://kl121tez.is.klmcorp.net:8083/ 18:55:52,313 INFO [Log4jService$URLWatchTimerTask] Configuring from URL: resource:log4j.xml 18:55:52,860 ERROR [STDERR] LOG0026E The Log Manager cannot create the object AmasRBPFTraceLogger without a class name. 18:55:52,860 ERROR [STDERR] LOG0026E The Log Manager cannot create the object AmasRBPFMessageLogger without a class name. 18:55:54,273 ERROR [STDERR] LOG0026E The Log Manager cannot create the object AmasCacheTraceLogger without a class name. 18:55:54,274 ERROR [STDERR] LOG0026E The Log Manager cannot create the object AmasCacheMessageLogger without a class name. 18:55:54,334 ERROR [STDERR] LOG0026E The Log Manager cannot create the object JACCTraceLogger without a class name. 18:55:54,334 ERROR [STDERR] LOG0026E The Log Manager cannot create the object JACCMessageLogger without a class name. 18:55:56,059 INFO [ServiceEndpointManager] WebServices: jbossws-1.0.3.SP1 (date=200609291417) 18:55:56,635 INFO [Embedded] Catalina naming disabled 18:55:56,671 INFO [ClusterRuleSetFactory] Unable to find a cluster rule set in the classpath. Will load the default rule set. 18:55:56,672 INFO [ClusterRuleSetFactory] Unable to find a cluster rule set in the classpath. Will load the default rule set. 18:55:56,843 INFO [Http11BaseProtocol] Initializing Coyote HTTP/1.1 on http-0.0.0.0-8180 18:55:56,844 INFO [Catalina] Initialization processed in 172 ms 18:55:56,844 INFO [StandardService] Starting service jboss.web Please help..

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• mysql select column from view problem

  - by haim evgi

  i create a view table like : CREATE VIEW ViewManager AS SELECT us.UserId AS 'Account Manager', ......... after that, when i run a query to select data from this view like : SELECT 'Account Manager' , .. from ViewManager then the data i get in this column is the text 'Account Manager' and not the value of the this columns. Is there a way to solve this ? Of course I can change the field name , but i want to know if there is another solution, thanks.

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• Inject runtime exception to pthread sometime fails. How to fix that?

  - by lionbest

  I try to inject the exception to thread using signals, but some times the exception is not get caught. For example the following code: void _sigthrow(int sig) { throw runtime_error(strsignal(sig)); } struct sigaction sigthrow = {{&_sigthrow}}; void* thread1(void*) { sigaction(SIGINT,&sigthrow,NULL); try { while(1) usleep(1); } catch(exception &e) { cerr << "Thread1 catched " << e.what() << endl; } }; void* thread2(void*) { sigaction(SIGINT,&sigthrow,NULL); try { while(1); } catch(exception &e) { cerr << "Thread2 catched " << e.what() << endl; //never goes here } }; If I try to execute like: int main() { pthread_t p1,p2; pthread_create( &p1, NULL, &thread1, NULL ); pthread_create( &p2, NULL, &thread2, NULL ); sleep(1); pthread_kill( p1, SIGINT); pthread_kill( p2, SIGINT); sleep(1); return EXIT_SUCCESS; } I get the following output: Thread1 catched Interrupt terminate called after throwing an instance of 'std::runtime_error' what(): Interrupt Aborted How can I make second threat catch exception? Is there better idea about injecting exceptions?

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• Problem with close socket

  - by zp26

  Hi, I have a problem with my socket program. I create the client program (my code is below) I have a problem when i close the socket with the disconnect method. Can i help me? Thanks and sorry for my English XP CFSocketRef s; -(void)CreaConnessione { CFSocketError errore; struct sockaddr_in sin; CFDataRef address; CFRunLoopSourceRef source; CFSocketContext context = { 0, self, NULL, NULL, NULL }; s = CFSocketCreate( NULL, PF_INET, SOCK_STREAM, IPPROTO_TCP, kCFSocketDataCallBack, AcceptDataCallback, &context); memset(&sin, 0, sizeof(sin)); int port = [fieldPorta.text intValue]; NSString *tempIp = fieldIndirizzo.text; const char *ip = [tempIp UTF8String]; sin.sin_family = AF_INET; sin.sin_port = htons(port); sin.sin_addr.s_addr = (long)inet_addr(ip); address = CFDataCreate(NULL, (UInt8 *)&sin, sizeof(sin)); errore = CFSocketConnectToAddress(s, address, 0); if(errore == 0){ buttonInvioMess.enabled = TRUE; fieldMessaggioInvio.enabled = TRUE; labelTemp.text = [NSString stringWithFormat:@"Connesso al Server"]; CFRelease(address); source = CFSocketCreateRunLoopSource(NULL, s, 0); CFRunLoopAddSource(CFRunLoopGetCurrent(), source, kCFRunLoopDefaultMode); CFRelease(source); CFRunLoopRun(); } else{ labelTemp.text = [NSString stringWithFormat:@"Errore di connessione. Verificare Ip e Porta"]; switchConnection.on = FALSE; } } //the socket doesn't disconnect -(void)Disconnetti{ CFSocketInvalidate(s); CFRelease(s); } -(IBAction)Connetti { if(switchConnection.on) [self CreaConnessione]; else [self Disconnetti]; }

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• How can I get the previous logged events when a particular logger is triggered?

  - by Ben Laan

  I need to show the previous 10 events when a particular logger is triggered. The goal is to show what previous steps occurred immediately before NHibernate.SQL logging was issued. Currently, I am logging NHibernate sql to a separate file - this is working correctly. <appender name="NHibernateSqlAppender" type="log4net.Appender.RollingFileAppender"> <file value="Logs\NHibernate.log" /> <appendToFile value="true" /> <rollingStyle value="Size" /> <maxSizeRollBackups value="10" /> <maximumFileSize value="10000KB" /> <staticLogFileName value="true" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%d{dd/MM/yy HH:mm:ss,fff} [%t] %-5p %c - %m%n" /> </layout> </appender> <logger name="NHibernate.SQL" additivity="false"> <level value="ALL"/> <appender-ref ref="NHibernateSqlAppender"/> </logger> <logger name="NHibernate" additivity="false"> <level value="WARN"/> <appender-ref ref="NHibernateSqlAppender"/> </logger> But this only outputs SQL, without context. I would like all previous logs within a specified namespace to also be logged, but only when the HNibernate.SQL appender is triggered. I have investigated the use of BufferingForwardingAppender as a means to collect all events, and then filter them within the NHibernateSqlAppender, but this is not working. I have read about the LoggerMatchFilter class, which seems like it is going to help, but I'm not sure where to put it. <appender name="BufferingForwardingAppender" type="log4net.Appender.BufferingForwardingAppender" > <bufferSize value="10" /> <lossy value="true" /> <evaluator type="log4net.Core.LevelEvaluator"> <threshold value="ALL"/> </evaluator> <appender-ref ref="NHibernateSqlAppender" /> </appender> <appender name="NHibernateSqlAppender" type="log4net.Appender.RollingFileAppender"> <file value="Logs\NHibernate.log" /> <appendToFile value="true" /> <rollingStyle value="Size" /> <maxSizeRollBackups value="10" /> <maximumFileSize value="10000KB" /> <staticLogFileName value="true" /> <filter type="log4net.Filter.LoggerMatchFilter"> <loggerToMatch value="NHibernate.SQL" /> <loggerToMatch value="Laan" /> </filter> <filter type="log4net.Filter.LoggerMatchFilter"> <loggerToMatch value="NHibernate" /> <acceptOnMatch value="false"/> </filter> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%d{dd/MM/yy HH:mm:ss,fff} [%t] %-5p %c - %m%n" /> </layout> </appender> <root> <level value="ALL" /> <appender-ref ref="BufferingForwardingAppender"/> </root> The idea is that buffering appender will store all events, but then the NHibernateSqlAppender will only flush when an NHibernate.SQL event fires, plus it will flush the buffer (of 10 previous items, within the specified logger level, which in this example is Laan.*).

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• Cursor returns zero rows from query to table

  - by brockoli

  I've created an SQLiteDatabase in my app and populated it with some data. I can connect to my AVD with a terminal and when I issue select * from articles; I get a list of all the rows in my table and everything looks fine. However, in my code when I query my table, I get a cursor back that has my tables columns, but zero rows of data. Here is my code.. mDbHelper.open(); Cursor articles = mDbHelper.fetchAllArticles(); startManagingCursor(articles); Cursor feeds = mDbHelper.fetchAllFeeds(); startManagingCursor(feeds); mDbHelper.close(); int titleColumn = articles.getColumnIndex("title"); int feedIdColumn = articles.getColumnIndex("feed_id"); int feedTitleColumn = feeds.getColumnIndex("title"); /* Check if our result was valid. */ if (articles != null) { int count = articles.getCount(); /* Check if at least one Result was returned. */ if (articles.moveToFirst()) { In the above code, my Cursor articles returns with my 4 columns, but when I call getCount() it returns zero, even though I can see hundreds of rows of data in that table from command line. Any idea what I might be doing wrong here? Also.. here is my code for fetchAllArticles.. public Cursor fetchAllArticles() { return mDb.query(ARTICLES_TABLE, new String[] {ARTICLE_KEY_ROWID, ARTICLE_KEY_FEED_ID, ARTICLE_KEY_TITLE, ARTICLE_KEY_URL}, null, null, null, null, null); } Rob W.

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• Android framework. What is it?

  - by Confused

  I've few questions on Android Framework. Can someone please answer them i) What does an Android Framework do? What is it's job? ii) What are these managers - Activity Manager, Location Manager etc? Are they APIs or libraries? iii) I heard that the definition of a framework is - a set of libraries that say “Don’t call us, we’ll call you.” So can I say that Activity Manager, Location Manager etc are such libraries? Or is it that they are not libraries but APIs (used to access underlying c/c++ libraries) and the actual libraries that do "Don't call us, we'll call you." are hidden from us?

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• SurfaceView drawn on top of other elements after coming back from specific activity

  - by spirytus

  I have an activity with video preview displayed via SurfaceView and other views positioned over it. The problem is when user navigates to Settings activity (code below) and comes back then the surfaceview is drawn on top of everything else. This does not happen when user goes to another activity I have, neither when user navigates outside of app eg. to task manager. Now, you see in code below that I have setContentVIew() call wrapped in conditionals so it is not called every time when onStart() is executed. If its not wrapped in if statements then all works fine, but its causing loosing lots of memory (5MB+) each time onStart() is called. I tried various combinations and nothing seems to work so any help would be much appreciated. @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //Toast.makeText(this,"Create ", 2000).show(); // set 32 bit window (draw correctly transparent images) getWindow().getAttributes().format = android.graphics.PixelFormat.RGBA_8888; // set the layout of the screen based on preferences of the user sharedPref = PreferenceManager.getDefaultSharedPreferences(this); } public void onStart() { super.onStart(); String syncConnPref = null; syncConnPref = sharedPref.getString("screensLayouts", "default"); if(syncConnPref.contentEquals("default") && currentlLayout!="default") { setContentView(R.layout.fight_recorder_default); } else if(syncConnPref.contentEquals("simple") && currentlLayout!="simple") { setContentView(R.layout.fight_recorder_simple); } // I I uncomment line below so it will be called every time without conditionals above, it works fine but every time onStart() is called I'm losing 5+ MB memory (memory leak?). The preview however shows under the other elements exactly as I need memory leak makes it unusable after few times though // setContentView(R.layout.fight_recorder_default); if(getCamera()==null) { Toast.makeText(this,"Sorry, camera is not available and fight recording will not be permanently stored",2000).show(); // TODO also in here put some code replacing the background with something nice return; } // now we have camera ready and we need surface to display picture from camera on so // we instantiate CameraPreviw object which is simply surfaceView containing holder object. // holder object is the surface where the image will be drawn onto // this is where camera live cameraPreview will be displayed cameraPreviewLayout = (FrameLayout) findViewById(id.camera_preview); cameraPreview = new CameraPreview(this); // now we add surface view to layout cameraPreviewLayout.removeAllViews(); cameraPreviewLayout.addView(cameraPreview); // get layouts prepared for different elements (views) // this is whole recording screen, as big as screen available recordingScreenLayout=(FrameLayout) findViewById(R.id.recording_screen); // this is used to display sores as they are added, it displays like a path // each score added is a new text view simply and as user undos these are removed one by one allScoresLayout=(LinearLayout) findViewById(R.id.all_scores); // layout prepared for controls like record/stop buttons etc startStopLayout=(RelativeLayout) findViewById(R.id.start_stop_layout); // set up timer so it can be turned on when needed //fightTimer=new FightTimer(this); fightTimer = (FightTimer) findViewById(id.fight_timer); // get views for displaying scores score1=(TextView) findViewById(id.score1); score2=(TextView) findViewById(id.score2); advantages1=(TextView) findViewById(id.advantages1); advantages2=(TextView) findViewById(id.advantages2); penalties1=(TextView) findViewById(id.penalties1); penalties2=(TextView) findViewById(id.penalties2); RelativeLayout welcomeScreen=(RelativeLayout) findViewById(id.welcome_screen); Animation fadeIn = AnimationUtils.loadAnimation(this, R.anim.fade_in); welcomeScreen.startAnimation(fadeIn); Toast.makeText(this,"Start ", 2000).show(); animateViews(); } Settings activity is below, after coming back from this activity surfaceview is drawn on top of other elements. public class SettingsActivity extends PreferenceActivity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if(MyFirstAppActivity.getCamera()==null) { Toast.makeText(this,"Sorry, camera is not available",2000).show(); return; } addPreferencesFromResource(R.xml.preferences); } }

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• how to use a parameterized function for the Default Binding of a Sql Server column

  - by Walt Gaber

  I have a table that catalogs selected files from multiple sources. I want to record whether a file is a duplicate of a previously cataloged file at the time the new file is cataloged. I have a column in my table (“primary_duplicate”) to record each entry as ‘P’ (primary) or ‘D’ (duplicate). I would like to provide a Default Binding for this column that would check for other occurrences of this file (i.e. name, length, timestamp) at the time the new file is being recorded. I have created a function that performs this check (see “GetPrimaryDuplicate” below). But I don’t know how to bind this function which requires three parameters to the table’s “primary_duplicate” column as its Default Binding. I would like to avoid using a trigger. I currently have a stored procedure used to insert new records that performs this check. But I would like to ensure that the flag is set correctly if an insert is performed outside of this stored procedure. How can I call this function with values from the row that is being inserted? USE [MyDatabase] GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[FileCatalog]( [id] [uniqueidentifier] NOT NULL, [catalog_timestamp] [datetime] NOT NULL, [primary_duplicate] nchar NOT NULL, [name] nvarchar NULL, [length] [bigint] NULL, [timestamp] [datetime] NULL ) ON [PRIMARY] GO ALTER TABLE [dbo].[FileCatalog] ADD CONSTRAINT [DF_FileCatalog_id] DEFAULT (newid()) FOR [id] GO ALTER TABLE [dbo].[FileCatalog] ADD CONSTRAINT [DF_FileCatalog_catalog_timestamp] DEFAULT (getdate()) FOR [catalog_timestamp] GO ALTER TABLE [dbo].[FileCatalog] ADD CONSTRAINT [DF_FileCatalog_primary_duplicate] DEFAULT (N'GetPrimaryDuplicate(name, length, timestamp)') FOR [primary_duplicate] GO USE [MyDatabase] GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE FUNCTION [dbo].[GetPrimaryDuplicate] ( @name nvarchar(255), @length bigint, @timestamp datetime ) RETURNS nchar(1) AS BEGIN DECLARE @c int SELECT @c = COUNT(*) FROM FileCatalog WHERE name=@name and length=@length and timestamp=@timestamp and primary_duplicate = 'P' IF @c > 0 RETURN 'D' -- Duplicate RETURN 'P' -- Primary END GO

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• Using NULLs in matchup table

  - by TomWilsonFL

  I am working on the accounting portion of a reservation system (think limo company). In the system there are multiple objects that can either be paid or submit a payment. I am tracking all of these "transactions" in three tables called: tx, tx_cc, and tx_ch. tx generates a new tx_id (for transaction ID) and keeps the information about amount, validity, etc. Tx_cc and tx_ch keep the information about the credit card or check used, respectively, which link to other tables (credit_card and bank_account among others). This seems fairly normalized to me, no? Now here is my problem: The payment transaction can take place for a myriad of reasons. Either a reservation is being paid for, a travel agent that booked a reservation is being paid, a driver is being paid, etc. This results in multiple tables, one for each of the entities: agent_tx, driver_tx, reservation_tx, etc. They look like this: CREATE TABLE IF NOT EXISTS `driver_tx` ( `tx_id` int(10) unsigned zerofill NOT NULL, `driver_id` int(11) NOT NULL, `reservation_id` int(11) default NULL, `reservation_item_id` int(11) default NULL, PRIMARY KEY (`tx_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; Now this transaction is for a driver, but could be applied to an individual item on the reservation or the entire reservation overall. Therefore I demand either reservation_id OR reservation_item_id to be null. In the future there may be other things which a driver is paid for, which I would also add to this table, defaulting to null. What is the rule on this? Opinion? Obviously I could break this out into MANY three column tables, but the amount of OUTER JOINing needed seems outrageous. Your input is appreciated. Peace, Tom

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• International Dvorak keyboard doesn't trigger hot-keys

  - by akurtser

  I'm using the Engilsh-Dvorak keyboard-layout; My second keyboard language is Hebrew, which has nothing to do with Dvorak but the hot keys (e.g if I'm writing a document in Hebrew and want to make some bold text using Ctrl+b). The default Hebrew keyboard that comes with Windows (7 and below) has a shift mode which matches each Hebrew character with its matching English QWERTY character ). Obviously I'd want to use the Dvorak corresponding key rather than the QWERTY one, so I created a Hebrew-Dvorak keyboard with a software called Keyboard Layout Manager (KLM) which creates new keyboard layouts DLLs. It works just fine for the shift key, however, Ctrl-key triggered hot-keys (e.g Ctrl+l in FF) are being matched to the corresponding QWERTY key. I've examined the properly working English-Dvorak layout using KLM and in it's "Ctrl+ pressed" view, there isn't any character that's matched to any key but still I tried to encode the Hebrew Ctrl+ pressed keys to work with their matching Dvorak keys, yet it had no effect.

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• Codeigniter: Library function--I'm stuck

  - by Kevin Brown

  I have a library function that sets up my forms, and submits data. They're long, and they work, so I'll spare you reading my code. :) I simply need a way for my functions to determine how to handle the data. Until now, the function did one thing: Submit a report for the current user. NOW, the client has requested that an administrator also be able to complete a form--this means that the form would be filled out, and it would CREATE a user at the same time, whereas the current function EDITS and is accessed by an EXISTING user. Do I need a separate function to do essentially the same thing? How do I make one function perform two tasks? One to update a user, and if there is no user, create one. Current controller: function survey() { $id = $this->session->userdata('id'); $data['member'] = $this->home_model->getUser($id); //Convert the db Object to a row array $data['manager'] = $data['member']->row(); $manager_id = $data['manager']->manager_id; $data['manager'] = $this->home_model->getUser($manager_id); $data['manager'] = $data['manager']->row(); $data['header'] = "Home"; $this->survey_form_processing->survey_form($this->_container,$data, $method); } Current Library: function survey_form($container) { //Lots of validation stuff $this->CI->validation->set_rules($rules); if ( $this->CI->validation->run() === FALSE ) { // Output any errors $this->CI->validation->output_errors(); } else { // Submit form $this->_submit(); } $this->CI->load->view($container,$data); The submit function is huge too. Basically says, "Update table with data where user_id=current user" I hope this wasn't too confusing. I'll create two functions if need be, but I'd like to keep redundancy down! }

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• Association Mapping Details confusion?

  - by AaronLS

  I have never understood why the associations in EntityFramework look the way they do in the Mapping Details window. When I select the line between 2 tables for an association, for example FK_ApplicationSectionsNodes_FormItems, it shows this: Association Maps to ApplicationSectionNodes FormItems (key symbol) FormItemId:Int32 <--> FormItemId:int ApplicationSectionNodes (key symbol) NodeId:Int32 <--> (key symbol) NodeId : int Fortunately this one was create automatically for me based on the foreign key constraints in my database, but whenever no constraints exist, I have a hard to creating associations manually(when the database doesn't have a diagram setup) because I don't understand the mapping details for associations. FormItems table has a primary key identity column FormItemId, and ApplicationSectionNodes contains a FormItemId column that is the foreign key and has NodeId as a primary key identity column. What really makes no sense to me is why the association has anything listed about the NodeId, when NodeId doesn't have anything to do with the foreign key relationship? (It's even more confusing with self referencing relationships, but maybe if I could understand the above case I'd have a better handle). CREATE TABLE [dbo].[ApplicationSectionNodes]( [NodeID] [int] IDENTITY(1,1) NOT NULL, [OutlineText] [varchar](5000) NULL, [ParentNodeID] [int] NULL, [FormItemId] [int] NULL, CONSTRAINT [PK_ApplicationSectionNodes] PRIMARY KEY CLUSTERED ( [NodeID] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY], CONSTRAINT [UQ_ApplicationSectionNodesFormItemId] UNIQUE NONCLUSTERED ( [FormItemId] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] GO ALTER TABLE [dbo].[ApplicationSectionNodes] WITH NOCHECK ADD CONSTRAINT [FK_ApplicationSectionNodes_ApplicationSectionNodes] FOREIGN KEY([ParentNodeID]) REFERENCES [dbo].[ApplicationSectionNodes] ([NodeID]) GO ALTER TABLE [dbo].[ApplicationSectionNodes] NOCHECK CONSTRAINT [FK_ApplicationSectionNodes_ApplicationSectionNodes] GO ALTER TABLE [dbo].[ApplicationSectionNodes] WITH NOCHECK ADD CONSTRAINT [FK_ApplicationSectionNodes_FormItems] FOREIGN KEY([FormItemId]) REFERENCES [dbo].[FormItems] ([FormItemId]) GO ALTER TABLE [dbo].[ApplicationSectionNodes] NOCHECK CONSTRAINT [FK_ApplicationSectionNodes_FormItems] GO FormItems Table: CREATE TABLE [dbo].[FormItems]( [FormItemId] [int] IDENTITY(1,1) NOT NULL, [FormItemType] [int] NULL, CONSTRAINT [PK_FormItems] PRIMARY KEY CLUSTERED ( [FormItemId] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] GO ALTER TABLE [dbo].[FormItems] WITH NOCHECK ADD CONSTRAINT [FK_FormItems_FormItemTypes] FOREIGN KEY([FormItemType]) REFERENCES [dbo].[FormItemTypes] ([FormItemTypeId]) GO ALTER TABLE [dbo].[FormItems] NOCHECK CONSTRAINT [FK_FormItems_FormItemTypes] GO

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• C two functions in one with casts

  - by Favolas

  I have two functions that do the exact same thing but in two different types of struct and this two types of struct are very similar. Imagine I have this two structs. typedef struct nodeOne{ Date *date; struct nodeOne *next; struct nodeOne *prev; }NodeOne; typedef struct nodeTwo{ Date *date; struct nodeTwo *next; struct nodeTwo *prev; }NodeTwo; Since my function to destroy each of the list is almost the same (Just the type of the arguments are different) I would like to make just one function to make the two thins. I have this two functions void destroyListOne(NodeOne **head, NodeOne **tail){ NodeOne *aux; while (*head != NULL){ aux = *head; *head = (*head)->next; free(aux); } *tail = NULL; } and this one: void destroyListTwo(NodeTwo **head, NodeTwo **tail){ NodeTwo *aux; while (*head != NULL){ aux = *head; *head = (*head)->next; free(aux); } *tail = NULL; } Since they are very similar I thought making something like this: void destroyList(void **ini, void **end, int listType){ if (listType == 0) { NodeOne *aux; NodeOne head = (NodeOne) ini; NodeOne tail = (NodeOne) ed; } else { NodeTwo *aux; NodeTwo head = (NodeTwo) ini; NodeTwo tail = (NodeTwo) ed; } while (*head != NULL){ aux = *head; *head = (*head)->next; free(aux); } *tail = NULL; } As you may now this is not working but I want to know if this is possible to achieve. I must maintain both of the structs as they are.

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• GUI Agent accepts statuses from Daemon and shows it using progress indicator

  - by Pavel

  Hi to all! My application is a GUI agent, which communicate with daemon through the unix domain socket, wrapped in CFSocket.... So there are main loop and added CFRunLoop source. Daemon sends statuses and agent shows it with a progress indicator. When there are any data on socket, callback function begin to work and at this time I have to immediately show the new window with progress indicator and increase counter. //this function initiate the runloop for listening socket - (int) AcceptDaemonConnection:(ConnectionRef)conn { int err = 0; conn->fSockCF = CFSocketCreateWithNative(NULL, (CFSocketNativeHandle) conn->fSockFD, kCFSocketAcceptCallBack, ConnectionGotData, NULL); if (conn->fSockCF == NULL) err = EINVAL; if (err == 0) { conn->fRunLoopSource = CFSocketCreateRunLoopSource(NULL, conn->fSockCF, 0); if (conn->fRunLoopSource == NULL) err = EINVAL; else CFRunLoopAddSource(CFRunLoopGetCurrent(), conn->fRunLoopSource, kCFRunLoopDefaultMode); CFRelease(conn->fRunLoopSource); } return err; } // callback function void ConnectionGotData(CFSocketRef s, CFSocketCallBackType type, CFDataRef address, const void * data, void * info) { #pragma unused(s) #pragma unused(address) #pragma unused(info) assert(type == kCFSocketAcceptCallBack); assert( (int *) data != NULL ); assert( (*(int *) data) != -1 ); TStatusUpdate status; int nativeSocket = *(int *) data; status = [agg AcceptPacket:nativeSocket]; // [stWindow InitNewWindow] inside [agg SendUpdateStatus:status.percent]; } AcceptPacket function receives packet from the socket and trying to show new window with progress indicator. Corresponding function is called, but nothing happens... I think, that I have to make work the main application loop with interrupting CFSocket loop... Or send a notification? No idea....

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• Is it possible to use multi keyboards with multi keyboard layouts simultaneously?

  - by mono

  Considering to switch to dvorak layout, but this terminal is used by multi users as the same user account. It is unacceptable to ask all people to switch layout, plus it is hard to use dvorak layout with a keyboard qwerty-ly labeled. But there are spare (USB,qwerty) keyboards, so if I plug another keyboard in and be able to use multi layouts on different psyical keyboard simultaneously (I will rearrange letters on keys), the problem get solved. solution for either windows or linux is fine. anyway thanks all.

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• C# parameter count mismatch when trying to add AsyncCallback into BeginInvoke()

  - by PunX

  I have main form (PrenosForm) and I am trying to run Form2 asynchronously. It works without callback delegate: this.BeginInvoke(cp, new object[] { datoteke, this.treeView1.SelectedNode.FullPath.ToString(), this, efekt }, null); //works 1. Doesn't work with callback delegate (parameter count mismatch): this.BeginInvoke(cp, new object[] { datoteke, this.treeView1.SelectedNode.FullPath.ToString(), this, efekt }, new AsyncCallback(callBackDelegate), null); //doesn't work parameter count mismatch 2. Works with callback delegate if I do it like this: cp.BeginInvoke(datoteke, this.treeView1.SelectedNode.FullPath.ToString(), this, efekt, new AsyncCallback(callBackDelegate), null); //works 3. My question is why does one way work and the other doesn't? I'm new at this. Would anyone be so kind as to answer my question and point out my mistakes? private delegate void copyDelegat(List<ListViewItem> datoteke, string path, PrenosForm forma, DragDropEffects efekt); private delegate void callBackDelegat(IAsyncResult a); public void doCopy(List<ListViewItem> datoteke, string path, PrenosForm forma, DragDropEffects efekt) { new Form2(datoteke, path, forma, efekt); } public void callBackFunc(IAsyncResult a) { AsyncResult res = a.AsyncState as AsyncResult; copyDelegat delegat = res.AsyncDelegate as copyDelegat; delegat.EndInvoke(a); } public void kopiraj(List<ListViewItem> datoteke, DragDropEffects efekt) { copyDelegat cp = new copyDelegat(doCopy); callBackDelegat callBackDelegate = new callBackDelegat(callBackFunc); this.BeginInvoke(cp, new object[] { datoteke, this.treeView1.SelectedNode.FullPath.ToString(), this, efekt }, new AsyncCallback(callBackDelegate), null); //doesn't work parameter count missmatch 2. this.BeginInvoke(cp, new object[] { datoteke, this.treeView1.SelectedNode.FullPath.ToString(), this, efekt }, null); //works 1. cp.BeginInvoke(datoteke, this.treeView1.SelectedNode.FullPath.ToString(), this, efekt, new AsyncCallback(callBackDelegate), null); //works 3. }

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• Sqlite iPhone data insertion problem

  - by Asad Khan

  Hi I have a function which basically tries to insert some data returned from a REST call. - (void)syncLocalDatabase{ NSString *file = [[NSBundle mainBundle] pathForResource:@"pickuplines" ofType:@"db"]; NSMutableString *query = [[NSMutableString alloc] initWithFormat:@""]; sqlite3 *database = NULL; char *errorMsg = NULL; if (sqlite3_open([file UTF8String], &database) == SQLITE_OK) { for(PickUpLine *pickupline in pickUpLines){ [query appendFormat:@"INSERT INTO pickuplines VALUES(%d,%d,%d,'%@','YES')", pickupline.line_id, pickupline.thumbsUps, pickupline.thumbsDowns, [pickupline.line stringByReplacingOccurrencesOfString:@"'" withString:@"`"]]; NSLog(query); int result = sqlite3_exec(database, [query UTF8String], NULL, NULL, &errorMsg); if (result!=SQLITE_OK) { printf("\n%s",errorMsg); sqlite3_free(errorMsg); } //sqlite3_step([query UTF8String]); [query setString:@""]; }//end for }//end if [query release]; sqlite3_close(database); } everything seems fine query string in log statement is also fine but the data does not gets inserted. Where as a counterpart of this function for select statement works well. Here is the counter part - (void)loadLinesFromDatabase{ NSString *file = [[NSBundle mainBundle] pathForResource:@"pickuplines" ofType:@"db"]; sqlite3 *database = NULL; if (sqlite3_open([file UTF8String], &database) == SQLITE_OK) { sqlite3_exec(database, "SELECT * FROM pickuplines", MyCallback, linesFromDatabase, NULL); } sqlite3_close(database); } I have implemented callback & it works fine. I am a little new to Sqlite can someone please point out what am I doing wrong. Thanx

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• I am not able to kill a child process using TerminateProcess

  - by user1681210

  I have a problem to kill a child process using TerminateProcess. I call to this function and the process still there (in the Task Manager) This piece of code is called many times launching the same program.exe many times and these process are there in the task manager which i think is not good. sorry, I am quiet new in c++ I will really appreciate any help. thanks a lot!! the code is the following: STARTUPINFO childProcStartupInfo; memset( &childProcStartupInfo, 0, sizeof(childProcStartupInfo)); childProcStartupInfo.cb = sizeof(childProcStartupInfo); childProcStartupInfo.hStdInput = hFromParent; // stdin childProcStartupInfo.hStdOutput = hToParent; // stdout childProcStartupInfo.hStdError = hToParentDup; // stderr childProcStartupInfo.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; childProcStartupInfo.wShowWindow = SW_HIDE; PROCESS_INFORMATION childProcInfo; /* for CreateProcess call */ bOk = CreateProcess( NULL, // filename pCmdLine, // full command line for child NULL, // process security descriptor */ NULL, // thread security descriptor */ TRUE, // inherit handles? Also use if STARTF_USESTDHANDLES */ 0, // creation flags */ NULL, // inherited environment address */ NULL, // startup dir; NULL = start in current */ &childProcStartupInfo, // pointer to startup info (input) */ &childProcInfo); // pointer to process info (output) */ CloseHandle( hFromParent ); CloseHandle( hToParent ); CloseHandle( hToParentDup ); CloseHandle( childProcInfo.hThread); CloseHandle( childProcInfo.hProcess); TerminateProcess( childProcInfo.hProcess ,0); //this is not working, the process thanks

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• Issue with creating index organized table

  - by mtim

  I'm having a weird problem with index organized table. I'm running Oracle 11g standard. i have a table src_table SQL> desc src_table; Name Null? Type --------------- -------- ---------------------------- ID NOT NULL NUMBER(16) HASH NOT NULL NUMBER(3) ........ SQL> select count(*) from src_table; COUNT(*) ---------- 21108244 now let's create another table and copy 2 columns from src_table set timing on SQL> create table dest_table(id number(16), hash number(20), type number(1)); Table created. Elapsed: 00:00:00.01 SQL> insert /*+ APPEND */ into dest_table (id,hash,type) select id, hash, 1 from src_table; 21108244 rows created. Elapsed: 00:00:15.25 SQL> ALTER TABLE dest_table ADD ( CONSTRAINT dest_table_pk PRIMARY KEY (HASH, id, TYPE)); Table altered. Elapsed: 00:01:17.35 It took Oracle < 2 min. now same exercise but with IOT table SQL> CREATE TABLE dest_table_iot ( id NUMBER(16) NOT NULL, hash NUMBER(20) NOT NULL, type NUMBER(1) NOT NULL, CONSTRAINT dest_table_iot_PK PRIMARY KEY (HASH, id, TYPE) ) ORGANIZATION INDEX; Table created. Elapsed: 00:00:00.03 SQL> INSERT /*+ APPEND */ INTO dest_table_iot (HASH,id,TYPE) SELECT HASH, id, 1 FROM src_table; "insert" into IOT takes 18 hours !!! I have tried it on 2 different instances of Oracle running on win and linux and got same results. What is going on here ? Why is it taking so long ?

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• Problem with LINQ query

  - by Niels Bosma

  The following works fine: (from e in db.EnquiryAreas from w in db.WorkTypes where w.HumanId != null && w.SeoPriority > 0 && e.HumanId != null && e.SeoPriority > 0 && db.Enquiries.Where(f => f.WhereId == e.Id && f.WhatId == w.Id && f.EnquiryPublished != null && f.StatusId != EnquiryMethods.STATUS_INACTIVE && f.StatusId != EnquiryMethods.STATUS_REMOVED && f.StatusId != EnquiryMethods.STATUS_REJECTED && f.StatusId != EnquiryMethods.STATUS_ATTEND ).Any() select new { EnquiryArea = e, WorkType = w }); But: (from e in db.EnquiryAreas from w in db.WorkTypes where w.HumanId != null && w.SeoPriority > 0 && e.HumanId != null && e.SeoPriority > 0 && EnquiryMethods.BlockOnSite(db.Enquiries.Where(f => f.WhereId == e.Id && f.WhatId == w.Id)).Any() select new { EnquiryArea = e, WorkType = w }); + public static IQueryable<Enquiry> BlockOnSite(IQueryable<Enquiry> linq) { return linq.Where(e => e.EnquiryPublished != null && e.StatusId != STATUS_INACTIVE && e.StatusId != STATUS_REMOVED && e.StatusId != STATUS_REJECTED && e.StatusId != STATUS_ATTEND ); } I get the following error: base {System.SystemException}: {"Method 'System.Linq.IQueryable1[X.Enquiry] BlockOnSite(System.Linq.IQueryable1[X.Enquiry])' has no supported translation to SQL."}

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• What is the initiating actor for the usecase shown here

  - by Illep

  I am new to drawing use case and writing use case descriptions. I have an Actor called User , an abstract usecase called Work Type and another use case called Manager. The usecase Manager has a generalized relationship with the Work Type use case. I'm now writing the use case description for Manager use case. And what is the initiating Actor for this use case. Is it the Actor User ? or doesn't it have an initiating Actor ? Note: I only want to know the initiating Actor for the use case Manager

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• Low Level Console Input

  - by Soulseekah

  I'm trying to send commands to to the input of a cmd.exe application using the low level read/write console functions. I have no trouble reading the text (scraping) using the ReadConsole...() and WriteConsole() functions after having attached to the process console, but I've not figured out how to write for example "dir" and have the console interpret it as a sent command. Here's a bit of my code: CreateProcess(NULL, "cmd.exe", NULL, NULL, FALSE, CREATE_NEW_CONSOLE, NULL, NULL, &si, &pi); AttachConsole(pi.dwProcessId); strcpy(buffer, "dir"); WriteConsole(GetStdHandle(STD_INPUT_HANDLE), buffer, strlen(buffer), &charRead, NULL); STARTUPINFO attributes of the process are all set to zero, except, of course, the .cb attribute. Nothing changes on the screen, however I'm getting an Error 6: Invalid Handle returned from WriteConsole to STD_INPUT_HANDLE. If I write to (STD_OUTPUT_HANDLE) I do get my dir written on the screen, but nothing of course happens. I'm guessing SetConsoleMode() might be of help, but I've tried many mode combinations, nothing helped. I've also created a quick console application that waits for input (scanf()) and echoes back whatever goes in, didn't work. I've also tried typing into the scanf() promp and then peek into the input buffer using PeekConsoleInput(), returns 0, but the INPUT_RECORD array is empty. I'm aware that there is another way around this using WriteConsoleInput() to directly inject INPUT_RECORD structured events into the console, but this would be way too long, I'll have to send each keypress into it. I hope the question is clear. Please let me know if you need any further information. Thanks for your help.

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• Merge computed data from two tables back into one of them

  - by Tyler McHenry

  I have the following situation (as a reduced example). Two tables, Measures1 and Measures2, each of which store an ID, a Weight in grams, and optionally a Volume in fluid onces. (In reality, Measures1 has a good deal of other data that is irrelevant here) Contents of Measures1: +----+----------+--------+ | ID | Weight | Volume | +----+----------+--------+ | 1 | 100.0000 | NULL | | 2 | 200.0000 | NULL | | 3 | 150.0000 | NULL | | 4 | 325.0000 | NULL | +----+----------+--------+ Contents of Measures2: +----+----------+----------+ | ID | Weight | Volume | +----+----------+----------+ | 1 | 75.0000 | 10.0000 | | 2 | 400.0000 | 64.0000 | | 3 | 100.0000 | 22.0000 | | 4 | 500.0000 | 100.0000 | +----+----------+----------+ These tables describe equivalent weights and volumes of a substance. E.g. 10 fluid ounces of substance 1 weighs 75 grams. The IDs are related: ID 1 in Measures1 is the same substance as ID 1 in Measures2. What I want to do is fill in the NULL volumes in Measures1 using the information in Measures2, but keeping the weights from Measures1 (then, ultimately, I can drop the Measures2 table, as it will be redundant). For the sake of simplicity, assume that all volumes in Measures1 are NULL and all volumes in Measures2 are not. I can compute the volumes I want to fill in with the following query: SELECT Measures1.ID, Measures1.Weight, (Measures2.Volume * (Measures1.Weight / Measures2.Weight)) AS DesiredVolume FROM Measures1 JOIN Measures2 ON Measures1.ID = Measures2.ID; Producing: +----+----------+-----------------+ | ID | Weight | DesiredVolume | +----+----------+-----------------+ | 4 | 325.0000 | 65.000000000000 | | 3 | 150.0000 | 33.000000000000 | | 2 | 200.0000 | 32.000000000000 | | 1 | 100.0000 | 13.333333333333 | +----+----------+-----------------+ But I am at a loss for how to actually insert these computed values into the Measures1 table. Preferably, I would like to be able to do it with a single query, rather than writing a script or stored procedure that iterates through every ID in Measures1. But even then I am worried that this might not be possible because the MySQL documentation says that you can't use a table in an UPDATE query and a SELECT subquery at the same time, and I think any solution would need to do that. I know that one workaround might be to create a new table with the results of the above query (also selecting all of the other non-Volume fields in Measures1) and then drop both tables and replace Measures1 with the newly-created table, but I was wondering if there was any better way to do it that I am missing.

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