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• SQL Server 2005 Blocking Problem (ASYNC_NETWORK_IO)

  - by ivankolo

  I am responsible for a third-party application (no access to source) running on IIS and SQL Server 2005 (500 concurrent users, 1TB data, 8 IIS servers). We have recently started to see significant blocking on the database (after months of running this application in production with no problems). This occurs at random intervals during the day, approximately every 30 minutes, and affects between 20 and 100 sessions each time. All of the sessions eventually hit the application time out and the sessions abort. The problem disappears and then gradually re-emerges. The SPID responsible for the blocking always has the following features: WAIT TYPE = ASYNC_NETWORK_IO The SQL being run is “(@claimid varchar(15))SELECT claimid, enrollid, status, orgclaimid, resubclaimid, primaryclaimid FROM claim WHERE primaryclaimid = @claimid AND primaryclaimid < claimid)”. This is relatively innocuous SQL that should only return one or two records, not a large dataset. NO OTHER SQL statements have been implicated in the blocking, only this SQL statement. This is parameterized SQL for which an execution plan is cached in sys.dm_exec_cached_plans. This SPID has an object-level S lock on the claim table, so all UPDATEs/INSERTs to the claim table are also blocked. HOST ID varies. Different web servers are responsible for the blocking sessions. E.g., sometimes we trace back to web server 1, sometimes web server 2. When we trace back to the web server implicated in the blocking, we see the following: There is always some sort of application related error in the Event Log on the web server, linked to the Host ID and Host Process ID from the SQL Session. The error messages vary, usually some sort of SystemOutofMemory. (These error messages seem to be similar to error messages that we have seen in the past without such dramatic consequences. We think was happening before, but didn’t lead to blocking. Why now?) No known problems with the network adapters on either the web servers or the SQL server. (In any event the record set returned by the offending query would be small.) Things ruled out: Indexes are regularly defragmented. Statistics regularly updated. Increased sample size of statistics on claim.primaryclaimid. Forced recompilation of the cached execution plan. Created a compound index with primaryclaimid, claimid. No networking problems. No known issues on the web server. No changes to application software on web servers. We hypothesize that the chain of events goes something like this: Web server process submits SQL above. SQL server executes the SQL, during which it acquires a lock on the claim table. Web server process gets an error and dies. SQL server session is hung waiting for the web server process to read the data set. SQL Server sessions that need to get X locks on parts of the claim table (anyone processing claims) are blocked by the lock on the claim table and remain blocked until they all hit the application time out. Any suggestions for troubleshooting while waiting for the vendor's assistance would be most welcome. Is there a way to force SQL Server to lock at the row/page level for this particular SQL statement only? Is there a way to set a threshold on ASYNC_NETWORK_IO waits only?

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• Pulling record from mySQL database only working for userid and not email

  - by user2908467

  This function works because I search by userid: private void showList_Click(object sender, EventArgs e) { int id = 0; for (int i = 0; i <= sqlClient.Count("UserList"); i++) { Dictionary<string, string> dik = sqlClient.Select("UserList", "userid = " + id); var lines = dik.Select(kv => kv.Key + ": " + kv.Value.ToString()); userList.AppendText(string.Join(Environment.NewLine, lines)); userList.AppendText(Environment.NewLine); userList.AppendText("--------------------------------------"); id++; } } This function does not work because I search by email: private void login_Click(object sender, EventArgs e) { string email = lemail.Text; Dictionary<string, string> dik = sqlClient.Select("UserList", "firstname = " + email); var lines = dik.Select(kv => kv.Key + ": " + kv.Value.ToString()); logged.AppendText(string.Join(Environment.NewLine, lines)); } This is the error message I receive when I click on the login button: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '@aol.com' at line 1 The email I searched for in the database was "[email protected]" without quotes. I'm lead to believe by the error message the @ sign is causing conflict as I know it is a special character but I am having a hard time figuring out what phrase to search for to help me. Also, here is the function that is being called: public Dictionary<string, string> Select(string table, string WHERE) { //This methods selects from the database, it retrieves data from it. //You must make a dictionary to use this since it both saves the column //and the value. i.e. "age" and "33" so you can easily search for values. //Example: SELECT * FROM names WHERE name='John Smith' // This example would retrieve all data about the entry with the name "John Smith" //Code = Dictionary<string, string> myDictionary = Select("names", "name='John Smith'"); //This code creates a dictionary and fills it with info from the database. string query = "SELECT * FROM " + table + " WHERE " + WHERE + ""; Dictionary<string, string> selectResult = new Dictionary<string, string>(); if (this.Open()) { MySqlCommand cmd = new MySqlCommand(query, conn); MySqlDataReader dataReader = cmd.ExecuteReader(); try { while (dataReader.Read()) { for (int i = 0; i < dataReader.FieldCount; i++) { selectResult.Add(dataReader.GetName(i).ToString(), dataReader.GetValue(i).ToString()); } } dataReader.Close(); } catch { } this.Close(); return selectResult; } else { return selectResult; } } My database table is called "UserList" The fields in order are as follows: userid, email, password, lastname, firstname Any help would be greatly appreciated. This site is amazing!

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• Derby gets stuck closing?

  - by bmargulies

  I've got unit tests (in maven) that use derby. At the end of the test run, there is a very long pause, with these log messages before the pause. INFO: Closing Hibernate SessionFactory Nov 16, 2009 8:30:31 PM org.hibernate.impl.SessionFactoryImpl close INFO: closing Nov 16, 2009 8:30:31 PM org.hibernate.tool.hbm2ddl.SchemaExport execute INFO: Running hbm2ddl schema export Nov 16, 2009 8:30:31 PM org.hibernate.tool.hbm2ddl.SchemaExport execute INFO: exporting generated schema to database Hibernate config: <hibernate-configuration> <session-factory> <property name="hibernate.dialect">org.hibernate.dialect.DerbyDialect</property> <property name="hbm2ddl.auto">create-drop</property> <property name="show_sql">false</property> </session-factory> </hibernate-configuration> referenced from: <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <!-- data source elsewhere --> <property name="dataSource" ref="dataSource" /> <property name="mappingResources"> <list> <value>com/basistech/configdb/dao/Gazetteer.hbm.xml</value> <value>com/basistech/configdb/dao/FileGazetteer.hbm.xml</value> <value>com/basistech/configdb/dao/Regexpset.hbm.xml</value> <value>com/basistech/configdb/dao/Redactjoiner.hbm.xml</value> <value>com/basistech/configdb/dao/Misc.hbm.xml</value> </list> </property> <property name="configLocation" value="classpath:com/basistech/configdb/dao/hibernate.xml"/> and finally maven: <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>hibernate3-maven-plugin</artifactId> <version>2.2</version> <executions> <execution> <id>codegen</id> <goals> <goal>hbm2java</goal> </goals> <phase>generate-sources</phase> <configuration> <components> <component> <name>hbm2java</name> </component> </components> <componentProperties> <configurationfile>src/main/hibernate/codegen-hibernate.xml</configurationfile> </componentProperties> </configuration> </execution> </executions> </plugin>

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• Why did I get this error : java.lang.Exception: XMLEncoder: discarding statement Vector.add() ?

  - by Frank

  My Java program look like this : public class Biz_Manager { static Contact_Info_Setting Customer_Contact_Info_Panel; static XMLEncoder XML_Encoder; ...... void Get_Customer_Agent_Shipping_Company_And_Shipping_Agent_Net_Worth_Info() { try { XML_Encoder=new XMLEncoder(new BufferedOutputStream(new FileOutputStream(Customer_Contact_Info_Panel.Contact_Info_File_Path))); XML_Encoder.writeObject(Customer_Contact_Info_Panel.Contacts_Vector); } catch (Exception e) { e.printStackTrace(); } finally { if (XML_Encoder!=null) { XML_Encoder.close(); // <== Error here , line : 9459 XML_Encoder=null; } } } } // ======================================================================= public class Contact_Info_Setting extends JPanel implements ActionListener,KeyListener,ItemListener { public static final long serialVersionUID=26362862L; ...... Vector<Contact_Info_Entry> Contacts_Vector=new Vector<Contact_Info_Entry>(); ...... } // ======================================================================= package Utility; import java.io.*; import java.util.*; import javax.jdo.annotations.IdGeneratorStrategy; import javax.jdo.annotations.IdentityType; import javax.jdo.annotations.PersistenceCapable; import javax.jdo.annotations.Persistent; import javax.jdo.annotations.PrimaryKey; @PersistenceCapable(identityType=IdentityType.APPLICATION) public class Contact_Info_Entry implements Serializable { @PrimaryKey @Persistent(valueStrategy=IdGeneratorStrategy.IDENTITY) public Long Id; public static final long serialVersionUID=26362862L; public String Contact_Id="",First_Name="",Last_Name="",Company_Name="",Branch_Name="",Address_1="",Address_2="",City="",State="",Zip="",Country=""; ...... public boolean B_1; public Vector<String> A_Vector=new Vector<String>(); public Contact_Info_Entry() { } public Contact_Info_Entry(String Other_Id) { this.Other_Id=Other_Id; } ...... public void setId(Long value) { Id=value; } public Long getId() { return Id; } public void setContact_Id(String value) { Contact_Id=value; } public String getContact_Id() { return Contact_Id; } public void setFirst_Name(String value) { First_Name=value; } public String getFirst_Name() { return First_Name; } public void setLast_Name(String value) { Last_Name=value; } public String getLast_Name() { return Last_Name; } public void setCompany_Name(String value) { Company_Name=value; } public String getCompany_Name() { return Company_Name; } ...... } I got this error message : java.lang.Exception: XMLEncoder: discarding statement Vector.add(Contact_Info_Entry); Continuing ... java.lang.Exception: XMLEncoder: discarding statement Vector.add(Contact_Info_Entry); Continuing ... java.lang.Exception: XMLEncoder: discarding statement Vector.add(Contact_Info_Entry); Continuing ... java.lang.Exception: XMLEncoder: discarding statement Vector.add(Contact_Info_Entry); Continuing ... Exception in thread "Thread-8" java.lang.NullPointerException at java.beans.XMLEncoder.outputStatement(XMLEncoder.java:611) at java.beans.XMLEncoder.outputValue(XMLEncoder.java:552) at java.beans.XMLEncoder.outputStatement(XMLEncoder.java:682) at java.beans.XMLEncoder.outputStatement(XMLEncoder.java:687) at java.beans.XMLEncoder.outputValue(XMLEncoder.java:552) at java.beans.XMLEncoder.flush(XMLEncoder.java:398) at java.beans.XMLEncoder.close(XMLEncoder.java:429) at Biz_Manager.Get_Customer_Agent_Shipping_Company_And_Shipping_Agent_Net_Worth_Info(Biz_Manager.java:9459) Seems it can't deal with vector, why ? Anything wrong ? How to fix it ? Frank

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• Get the touch position inside the imageview in android

  - by Manikandan

  I have a imageview in my activity and I am able to get the position where the user touch the imageview, through onTouchListener. I placed another image where the user touch over that image. I need to store the touch position(x,y), and use it in another activity, to show the tags. I stored the touch position in the first activity. In the first activity, my imageview at the top of the screen. In the second activity its at the bottom of the screen. If I use the position stored from the first acitvity, it place the tag image at the top, not on the imageview, where I previously clicked in the first activity. Is there anyway to get the position inside the imageview. FirstActivity: cp.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { // TODO Auto-generated method stub Log.v("touched x val of cap img >>", event.getX() + ""); Log.v("touched y val of cap img >>", event.getY() + ""); x = (int) event.getX(); y = (int) event.getY(); tag.setVisibility(View.VISIBLE); int[] viewCoords = new int[2]; cp.getLocationOnScreen(viewCoords); int imageX = x - viewCoords[0]; // viewCoods[0] is the X coordinate int imageY = y - viewCoords[1]; // viewCoods[1] is the y coordinate Log.v("Real x >>>",imageX+""); Log.v("Real y >>>",imageY+""); RelativeLayout rl = (RelativeLayout) findViewById(R.id.lay_lin); ImageView iv = new ImageView(Capture_Image.this); Bitmap bm = BitmapFactory.decodeResource(getResources(), R.drawable.tag_icon_32); iv.setImageBitmap(bm); RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams( RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT); params.leftMargin = x; params.topMargin = y; rl.addView(iv, params); Intent intent= new Intent(Capture_Image.this,Tag_Image.class); Bundle b=new Bundle(); b.putInt("xval", imageX); b.putInt("yval", imageY); intent.putExtras(b); startActivity(intent); return false; } }); In TagImage.java I used the following: im = (ImageView) findViewById(R.id.img_cam22); b=getIntent().getExtras(); xx=b.getInt("xval"); yy=b.getInt("yval"); im.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { int[] viewCoords = new int[2]; im.getLocationOnScreen(viewCoords); int imageX = xx + viewCoords[0]; // viewCoods[0] is the X coordinate int imageY = yy+ viewCoords[1]; // viewCoods[1] is the y coordinate Log.v("Real x >>>",imageX+""); Log.v("Real y >>>",imageY+""); RelativeLayout rl = (RelativeLayout) findViewById(R.id.lay_lin); ImageView iv = new ImageView(Tag_Image.this); Bitmap bm = BitmapFactory.decodeResource(getResources(), R.drawable.tag_icon_32); iv.setImageBitmap(bm); RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams( 30, 40); params.leftMargin =imageX ; params.topMargin = imageY; rl.addView(iv, params); return true; } });

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• add an image in listview

  - by danish

  Hi I would like to add more images in my list view as this code below only displays image 1 and 2 continuously in each row. What I want to do is display a different image for each different row. Here is mycode below; Thanks for any help. I am not good at java please change the code where necessary and I can then refer to it. public class starters extends ListActivity { private static class EfficientAdapter extends BaseAdapter { private LayoutInflater mInflater; private Bitmap mIcon1; private Bitmap mIcon2; private Bitmap mIcon3; private Bitmap mIcon4; private Bitmap mIcon5; private Bitmap mIcon6; private Bitmap mIcon7; private Bitmap mIcon8; private Bitmap mIcon9; private Bitmap mIcon10; public EfficientAdapter(Context context) { // Cache the LayoutInflate to avoid asking for a new one each time. mInflater = LayoutInflater.from(context); // Icons bound to the rows. mIcon1 = BitmapFactory.decodeResource(context.getResources(), R.drawable.starters1); mIcon2 = BitmapFactory.decodeResource(context.getResources(), R.drawable.starters2); mIcon3 = BitmapFactory.decodeResource(context.getResources(), R.drawable.starters3); mIcon4 = BitmapFactory.decodeResource(context.getResources(), R.drawable.starters4); mIcon5 = BitmapFactory.decodeResource(context.getResources(), R.drawable.starters5); mIcon6 = BitmapFactory.decodeResource(context.getResources(), R.drawable.starters6); mIcon7 = BitmapFactory.decodeResource(context.getResources(), R.drawable.starters7); mIcon8 = BitmapFactory.decodeResource(context.getResources(), R.drawable.starters8); mIcon9 = BitmapFactory.decodeResource(context.getResources(), R.drawable.starters9); mIcon10 = BitmapFactory.decodeResource(context.getResources(), R.drawable.starters10); } public int getCount() { return DATA.length; } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { // A ViewHolder keeps references to children views to avoid unneccessary calls // to findViewById() on each row. ViewHolder holder; // When convertView is not null, we can reuse it directly, there is no need // to reinflate it. We only inflate a new View when the convertView supplied // by ListView is null. if (convertView == null) { convertView = mInflater.inflate(R.layout.starters, null); // Creates a ViewHolder and store references to the two children views // we want to bind data to. holder = new ViewHolder(); holder.text = (TextView) convertView.findViewById(R.id.text01); holder.text = (TextView) convertView.findViewById(R.id.secondLine); holder.icon = (ImageView) convertView.findViewById(R.id.icon01); convertView.setTag(holder); } else { // Get the ViewHolder back to get fast access to the TextView // and the ImageView. holder = (ViewHolder) convertView.getTag(); } // Bind the data efficiently with the holder. holder.text.setText(DATA[position]); holder.icon.setImageBitmap((position & 1) ==1 ? mIcon1 : mIcon2); return convertView; } static class ViewHolder { TextView text; ImageView icon; } } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setListAdapter(new EfficientAdapter(this)); } private static final String[] DATA = { "Original nachos", "Toasted chicken and cheese quesadillas", "Chicken, lime and coriander nachos", "Spicy bean and cheese quesadillas", "Tuna and corn quesadillas", "Cheesy bean and sweetcorn nachos", "Crispy chicken, avocado and lime salad", "Beef and baby corn tostada", "Spicy mexican rice with chicken and prawns", "Chilli potato boats"}; }

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• Making a login Using JavaScript, Will Incorporate PHP Later

  - by TIMOTHY

  not sure why my code wont work, im teaching myself javascript i know php moderatly and i also know the intelligence of using java to hold a password and username, but at the moment i just want the script to work. <html> <head> <title>34webs</title> <link rel="stylesheet" href="css/lightbox.css" type="text/css" media="screen" /> <link rel="stylesheet" type="text/css" media="screen" href="main.css"> <script type="text/javascript" src="js/prototype.js"></script> <script type="text/javascript" src="js/scriptaculous.js?load=effects,builder"></script> <script type="text/javascript" src="js/lightbox.js"></script> <script type="javascript" > function logintry (){ var usern = document.logn.username.value; var passw = document.logn.password.value; if(usern == blue && passw == bluee){ alert('password is correct!'); }else{ alert('password is wrong'); } } </script> </head> <body> <div id="bod"> <div id="nav"> <p id="buttonhead">34 web</p> <a href="#" class="button">HOME</a> <a href="#" class="button">NEWS</a> <a href="#" class="button">DOWNLOADS</a> <a href="#" class="button">ERA</a> <a href="#" class="button">IE BROWSER</a> <a href="#" class="button">DRIVERS</a> <form name="logn"> <table style="margin:0 auto; background:#0174DF; color:white;"> <tr> <td> Username<br> <input type="text" name="username" value=""> </td> </tr> <tr> <td> Password<br> <input type="password" name="password" value=""> </td> </tr> <tr> <td style="text-align:center;"> <input type="button" name="Submit" value="submit" onclick= javascript: logintry()> </td> </tr> </table> </form> </div>

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• Lightweight use of Enterprise Library TraceListeners

  - by gWiz

  Is it possible to use the Enterprise Library 4.1 TraceListeners without using the entire Enterprise Library Logging AB? I'd prefer to simply use .NET Diagnostics Tracing, but would like to setup a listener that sends emails on Error events. I figured I could use the Enterprise Library EmailTraceListener. However, my initial attempts to configure it have failed. Here's what I hoped would work: <system.diagnostics> <trace autoflush="false" /> <sources> <source name="SampleSource" switchValue="Verbose" > <listeners> <add name="textFileListener" /> <add name="emailListener" /> </listeners> </source> </sources> <sharedListeners> <add name="textFileListener" type="System.Diagnostics.TextWriterTraceListener" initializeData="..\trace.log" traceOutputOptions="DateTime"> <filter type="System.Diagnostics.EventTypeFilter" initializeData="Verbose" /> </add> <add name="emailListener" type="Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.EmailTraceListener, Microsoft.Practices.EnterpriseLibrary.Logging" toAddress="[email protected]" fromAddress="[email protected]" smtpServer="mail.example.com" > <filter type="System.Diagnostics.EventTypeFilter" initializeData="Verbose" /> </add> </sharedListeners> </system.diagnostics> However I get [ArgumentException: The parameter 'address' cannot be an empty string. Parameter name: address] System.Net.Mail.MailAddress..ctor(String address, String displayName, Encoding displayNameEncoding) +1098157 System.Net.Mail.MailAddress..ctor(String address) +8 Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.EmailMessage.CreateMailMessage() +256 Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.EmailMessage.Send() +39 Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.EmailTraceListener.Write(String message) +96 System.Diagnostics.TraceListener.WriteHeader(String source, TraceEventType eventType, Int32 id) +184 System.Diagnostics.TraceListener.TraceEvent(TraceEventCache eventCache, String source, TraceEventType eventType, Int32 id, String format, Object[] args) +63 System.Diagnostics.TraceSource.TraceEvent(TraceEventType eventType, Int32 id, String format, Object[] args) +198 System.Diagnostics.TraceSource.TraceInformation(String message) +14 Which leads me to believe the .NET Tracing code does not care about the "non-standard" config attributes I've supplied for emailListener. I also tried adding the appropriate LAB configSection declaration and: <loggingConfiguration> <listeners> <add toAddress="[email protected]" fromAddress="[email protected]" smtpServer="mail.example.com" type="Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.EmailTraceListener, Microsoft.Practices.EnterpriseLibrary.Logging" name="emailListener" /> </listeners> </loggingConfiguration> This also results in the same exception. I figure it's possible to programmatically configure the EmailTraceListener, but I prefer this to be config-driven. I also understand I can implement my own derivative of TraceListener. So, is it possible to use the Ent Lib TraceListeners, without using the whole Ent Lib LAB, and configure them from the config file? Update: After examining the code, I have discovered it is not possible. The Ent Lib TraceListeners do not actually utilize the config attributes they specify in overriding TraceListener.GetSupportedAttributes(), despite the recommendations in the .NET TraceListener documentation. Bug filed.

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• Android: MediaPlayer gapless or seamless Video Playing

  - by John Wang

  I can play the videos fine back to back by implementing the OnCompletionListener to set the data source to a different file. No problems there. I call reset() and prepare() just fine. What I haven't been able to figure out, is how to get rid of the 1-2 second gap screen flicker between the data source change and the new video starting. The gap shows a black screen, and I haven't found any way to get around it. I've tried setting the background of the parent view to an image, but it manages to bypass that. Even if the SurfaceView is transparent (which it is by default.) I've also tried to have the multiple video files played at the same time, and switching mediaplayer's display when one ends and the other is supposed to start. The last thing I tried, was to have a second view in the background that I show temporarily while the video is "preparing" and removing it when the video is ready to start. That also wasn't very seamless. Is there any way to get rid of that gap. Running a video in a loop works wonderfully and does exactly what I want with the exception that it's looking through the same video instead of playing a different one that I pick. main.xml <?xml version="1.0" encoding="utf-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:background="@drawable/background" android:layout_height="fill_parent"> <SurfaceView android:id="@+id/surface" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_gravity="center"> </SurfaceView> </FrameLayout> Player.java public class Player extends Activity implements OnCompletionListener, MediaPlayer.OnPreparedListener, SurfaceHolder.Callback { private MediaPlayer player; private SurfaceView surface; private SurfaceHolder holder; public void onCreate(Bundle b) { super.onCreate(b); setContentView(R.layout.main); surface = (SurfaceView)findViewById(R.id.surface); holder = surface.getHolder(); holder.addCallback(this); holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } public void onCompletion(MediaPlayer arg0) { File clip = new File(Environment.getExternalStorageDirectory(),"file2.mp4"); playVideo(clip.getAbsolutePath()); } public void onPrepared(MediaPlayer mediaplayer) { holder.setFixedSize(player.getVideoWidth(), player.getVideoHeight()); player.start(); } private void playVideo(String url) { try { File clip = new File(Environment.getExternalStorageDirectory(),"file1.mp4"); if (player == null) { player = new MediaPlayer(); player.setScreenOnWhilePlaying(true); } else { player.stop(); player.reset(); } player.setDataSource(url); player.setDisplay(holder); player.setOnPreparedListener(this); player.prepare(); player.setOnCompletionListener(this); } catch (Throwable t) { Log.e("ERROR", "Exception Error", t); } }

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• Using Spring as a JPA Container

  - by sdoca

  Hi, I found this article which talks about using Spring as a JPA container: http://java.sys-con.com/node/366275 I have never used Spring before this and am trying to make this work and hope someone can help me. In the article it states that you need to annotate a Spring bean with @Transactional and methods/fields with @PersistenceContext in order to provide transaction support and to inject an entity manager. Is there something the defines a bean as a "Spring Bean"? I have a bean class which implements CRUD operations on entities using generics: @Transactional public class GenericCrudServiceBean implements GenericCrudService { @PersistenceContext(unitName="MyData") private EntityManager em; @Override @PersistenceContext public <T> T create(T t) { em.persist(t); return t; } @Override @PersistenceContext public <T> void delete(T t) { t = em.merge(t); em.remove(t); } ... ... ... @Override @PersistenceContext public List<?> findWithNamedQuery(String queryName) { return em.createNamedQuery(queryName).getResultList(); } } Originally I only had this peristence context annotation: @PersistenceContext(unitName="MyData") private EntityManager em; but had a null em when findWithNamedQuery was invoked. Then I annotated the methods as well, but em is still null (no injection?). I was wondering if this had something to do with my bean not being recognized as "Spring". I have done configuration as best I could following the directions in the article including setting the following in my context.xml file: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns:tx="http://www.springframework.org/schema/tx" tx:schemaLocation="http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd"> <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="persistenceUnitName" value="MyData" /> <property name="dataSource" ref="dataSource" /> <property name="loadTimeWeaver" class="org.springframework.classloading.ReflectiveLoadTimeWeaver" /> <property name="jpaVendorAdapter" ref="jpaAdapter" /> </bean> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver" /> <property name="url" value="jdbc:oracle:thin:@localhost:1521:MySID" /> <property name="username" value="user" /> <property name="password" value="password" /> <property name="initialSize" value="3" /> <property name="maxActive" value="10" /> </bean> <bean id="jpaAdapter" class="org.springframework.orm.jpa.vendor.EclipseLinkJpaVendorAdapter"> <property name="databasePlatform" value="org.eclipse.persistence.platform.database.OraclePlatform" /> <property name="showSql" value="true" /> </bean> <bean class="org.springframework.ormmjpa.support.PersistenceAnnotationBeanPostProcessor" /> <tx:annotation-driven /> </beans> I guessed that these belonged in the context.xml file because the article never specifically said which file is the "application context" file. If this is wrong, please let me know.

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• Add a record to relational XML with C#

  - by Megawolt

  I have a XML and XSD I want to add a record to trck table with Dataset i'm also write that code but need trackListrow... how can i handle that? playListDS rec = new playListDS(); if(File.Exists(Server.MapPath("~/playlist.xml"))) rec.ReadXml(Server.MapPath("~/playlist.xml")); int id = int.Parse(rec.track.Rows[rec.track.Rows.Count - 1][0].ToString()) + 1; if (ViewState["Filename"] != null && ViewState["Cover"] != null) { playListDS.trackListRow row = new playListDS.trackListRow(); rec.track.AddtrackRow(id.ToString(), "mp3/" + ViewState["Filename"].ToString(), txtartist.Text, txtalbum.Text, txttitle.Text, txtannotation.Text, txtduration.Text, "mp3/cover" + ViewState["Cover"].ToString(), txtinfo.Text, txtlink.Text); <?xml version="1.0"?> <!-- Generated using Flame-Ware Solutions XML-2-XSD v2.0 at http://www.flame-ware.com/Products/XML-2-XSD/ --> <xs:schema id="playListDS" targetNamespace="http://tempuri.org/playListDS.xsd" xmlns:mstns="http://tempuri.org/playListDS.xsd" xmlns="http://tempuri.org/playListDS.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata" attributeFormDefault="qualified" elementFormDefault="qualified"> <xs:element name="playListDS" msdata:IsDataSet="true" msdata:UseCurrentLocale="true"> <xs:complexType> <xs:choice minOccurs="0" maxOccurs="1"> <xs:element name="trackList"> <xs:complexType> <xs:sequence> <xs:element name="track" minOccurs="0" maxOccurs="unbounded"> <xs:complexType> <xs:sequence> <xs:element name="FileID" type="xs:string" minOccurs="0" /> <xs:element name="location" type="xs:string" minOccurs="0" /> <xs:element name="creator" type="xs:string" minOccurs="0" /> <xs:element name="album" type="xs:string" minOccurs="0" /> <xs:element name="title" type="xs:string" minOccurs="0" /> <xs:element name="annotation" type="xs:string" minOccurs="0" /> <xs:element name="duration" type="xs:string" minOccurs="0" /> <xs:element name="image" type="xs:string" minOccurs="0" /> <xs:element name="info" type="xs:string" minOccurs="0" /> <xs:element name="link" type="xs:string" minOccurs="0" /> </xs:sequence> </xs:complexType> </xs:element> </xs:sequence> </xs:complexType> </xs:element> </xs:choice> </xs:complexType> </xs:element> </xs:schema> <?xml version="1.0" standalone="yes"?> <playListDS xmlns="http://tempuri.org/playListDS.xsd"> <trackList> <track> <FileID>6</FileID> <location>mp3/Gomez - See The World-1.mp3</location> <creator>Gomez</creator> <album>How We Operate</album> <title>See the World</title> <annotation>Buraya kendi yorumun gelicek bos kalabilir</annotation> <duration>243670</duration> <image>mp3/coverChrysanthemum.jpg</image> <info /> <link>Grubun bi sitesi fln varsa buraya yazabilisin yoksa beni sil</link> </track> </trackList> </playListDS>

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• What does this IIS error log mean?

  - by Victor Rodrigues

  I'm using Debug Diagnostic Tool, trying to understand why around 5% of the requests that are sent to my webservice just crash, without necessarily throw any error inside my application. One of the errors this tool took is below. Can anyone here understand exactly what could be happening? Thanks! [6/17/2010 5:32:58 PM] First chance exception - 0xe0434f4d caused by thread with system id 1736 [6/17/2010 5:32:58 PM] Stack Trace ChildEBP RetAddr Args to Child WARNING: Stack unwind information not available. Following frames may be wrong. 1c5bec58 79ef2bbc e0434f4d 00000001 00000001 kernel32!RaiseException+0x3c 1c5becb8 79fccf80 0a6d4998 00000000 00000000 mscorwks!GetMetaDataInternalInterface+0x84a9 1c5bed7c 656cab0e 0a6d4788 1c5bed98 65221345 mscorwks!StrongNameErrorInfo+0x103dc 1c5bed88 65221345 0a6cefb0 1c5bedf8 1c5bee08 System_Data_ni+0x57ab0e 1c5bee0c 79e7e1f3 1c147158 1c147158 0a6d0710 System_Data_ni+0xd1345 1c5bee24 79f7c770 0a6d0710 1c147158 026f25a8 mscorwks!DllUnregisterServerInternal+0x21d7 1c5beee8 79e71b4c 0a6cd9b8 0a6cd994 026f409c mscorwks!CorExitProcess+0x28f9a 1c5bef00 79e821b9 1c5befd8 00000002 1c5befa0 mscorwks+0x1b4c 1c5bef80 79e96531 1c5befd8 00000002 1c5befa0 mscorwks!DllUnregisterServerInternal+0x619d 1c5bf0c8 79e96564 1c531688 1c5bf228 1c5bf120 mscorwks!CoUninitializeEE+0x2ead 1c5bf0e4 79e96582 1c531688 1c5bf228 1c5bf120 mscorwks!CoUninitializeEE+0x2ee0 1c5bf0fc 79f87a83 1c5bf120 1c5bf2e0 79fa6a6b mscorwks!CoUninitializeEE+0x2efe 1c5bf2ec 79f87be2 00629d50 0a6cdae8 0a6d0e04 mscorwks!CorExitProcess+0x342ad 1c5bf3ac 792d5348 00629d90 00000086 1c5bf3c8 mscorwks!CorExitProcess+0x3440c 1c5bf3fc 792d50f6 00629d90 00000086 066a1ae0 mscorlib_ni+0x215348 1c5bf434 792d4fde 00000000 00000000 0a6cd944 mscorlib_ni+0x2150f6 1c5bf488 65e1098e 0a6cd944 00000000 00000000 mscorlib_ni+0x214fde 1c5bf4cc 65e10665 66082f99 0a6ca144 00000000 System_Web_Services_ni+0x13098e 1c5bf4fc 65e10ff7 026c1054 0a6ca168 0a6ace9c System_Web_Services_ni+0x130665 1c5bf510 6dde7666 1c5bf54c 660adb16 6ddd2c34 System_Web_Services_ni+0x130ff7 1c5bf518 660adb16 6ddd2c34 0a6ace8c 0a6c883c System_Web_Extensions_ni+0x1c7666 1c5bf54c 6608132c 1c5bf578 0a6c883c 00000000 System_Web_ni+0x18db16 1c5bf588 6608c5c3 1c5bf5b0 0a6abecc 0a6c8b4c System_Web_ni+0x16132c 1c5bf5dc 660808ac 0a6c8218 0a6abecc 026c0d48 System_Web_ni+0x16c5c3 1c5bf5f0 66083e1c 0a6c883c 026c1054 0a6c883c System_Web_ni+0x1608ac 1c5bf62c 66083ac3 026bc67c 0a6c8400 1c5bf6b0 System_Web_ni+0x163e1c 1c5bf63c 66082c5c 8984fdc8 79e7a6b8 1c5bf858 System_Web_ni+0x163ac3 1c5bf6b0 79f9811e 00000002 01b93b00 026cf6e4 System_Web_ni+0x162c5c 1c5bf768 79f9822b 0017a0d0 1c5bf970 1c5bf9e8 mscorwks!CorExitProcess+0x44948 1c5bf7c4 79f98691 0017a0d0 1c5bf970 1c5bf9e8 mscorwks!CorExitProcess+0x44a55 1c5bf9d0 6a2aa19b 00000001 01b93b00 00000000 mscorwks!CorExitProcess+0x44ebb 1c5bf9f0 6a2aa19b 023ad3f0 01b93b00 00000002 webengine!BufferPoolReleaseBuffer+0x1bb 1c5bfa28 79e72032 79e821f6 e5934469 0017a0d0 webengine!BufferPoolReleaseBuffer+0x1bb 00000000 00000000 00000000 00000000 00000000 mscorwks+0x2032 [6/17/2010 5:33:00 PM] First chance exception - 0xe0434f4d caused by thread with system id 3252 [6/17/2010 5:33:00 PM] Stack Trace ChildEBP RetAddr Args to Child WARNING: Stack unwind information not available. Following frames may be wrong. 01d0ecd8 79ef2bbc e0434f4d 00000001 00000001 kernel32!RaiseException+0x3c 01d0ed38 79fccf80 02748edc 00000000 00000000 mscorwks!GetMetaDataInternalInterface+0x84a9 01d0edfc 656cab0e 02748ccc 01d0ee18 65221345 mscorwks!StrongNameErrorInfo+0x103dc 01d0ee08 65221345 027434d0 01d0ee78 01d0ee88 System_Data_ni+0x57ab0e 01d0ee8c 79e7e1f3 1c147158 1c147158 02744c30 System_Data_ni+0xd1345 01d0eea4 79f7c770 02744c30 1c147158 026f25a8 mscorwks!DllUnregisterServerInternal+0x21d7 01d0ef68 79e71b4c 02741ed8 02741eb4 026f409c mscorwks!CorExitProcess+0x28f9a 01d0ef80 79e821b9 01d0f058 00000002 01d0f020 mscorwks+0x1b4c 01d0f000 79e96531 01d0f058 00000002 01d0f020 mscorwks!DllUnregisterServerInternal+0x619d 01d0f148 79e96564 1c531688 01d0f2a8 01d0f1a0 mscorwks!CoUninitializeEE+0x2ead 01d0f164 79e96582 1c531688 01d0f2a8 01d0f1a0 mscorwks!CoUninitializeEE+0x2ee0 01d0f17c 79f87a83 01d0f1a0 01d0f360 79fa6a6b mscorwks!CoUninitializeEE+0x2efe 01d0f36c 79f87be2 00629d50 02742008 02745324 mscorwks!CorExitProcess+0x342ad 01d0f42c 792d5348 00629d90 00000086 01d0f448 mscorwks!CorExitProcess+0x3440c 01d0f47c 792d50f6 00629d90 00000086 066a1ae0 mscorlib_ni+0x215348 01d0f4b4 792d4fde 00000000 00000000 02741e64 mscorlib_ni+0x2150f6 01d0f508 65e1098e 02741e64 00000000 00000000 mscorlib_ni+0x214fde 01d0f54c 65e10665 66082f99 0273e664 00000000 System_Web_Services_ni+0x13098e 01d0f57c 65e10ff7 026c1054 0273e688 0a6ace9c System_Web_Services_ni+0x130665 01d0f590 6dde7666 01d0f5cc 660adb16 6ddd2c34 System_Web_Services_ni+0x130ff7 01d0f598 660adb16 6ddd2c34 0a6ace8c 0272cce4 System_Web_Extensions_ni+0x1c7666 01d0f5cc 6608132c 01d0f5f8 0272cce4 00000000 System_Web_ni+0x18db16 01d0f608 6608c5c3 01d0f630 0a6abecc 0272cff4 System_Web_ni+0x16132c 01d0f65c 660808ac 0272c6c0 0a6abecc 026c0d48 System_Web_ni+0x16c5c3 01d0f670 66083e1c 0272cce4 026c1054 0272cce4 System_Web_ni+0x1608ac 01d0f6ac 66083ac3 026bc67c 0272c8a8 01d0f730 System_Web_ni+0x163e1c 01d0f6bc 66082c5c 8984fdc8 79e7a6b8 01d0f8d8 System_Web_ni+0x163ac3 01d0f730 79f9811e 00000002 01b93b00 026cf6e4 System_Web_ni+0x162c5c 01d0f7e8 79f9822b 000dcea8 01d0f9f0 01d0fa68 mscorwks!CorExitProcess+0x44948 01d0f844 79f98691 000dcea8 01d0f9f0 01d0fa68 mscorwks!CorExitProcess+0x44a55 01d0fa50 6a2aa19b 00000001 01b93b00 00000000 mscorwks!CorExitProcess+0x44ebb 01d0fa70 6a2aa19b 023ad3f0 01b93b00 00000002 webengine!BufferPoolReleaseBuffer+0x1bb 01d0fac8 79e79cba 79e79ccd 0000000d 00000000 webengine!BufferPoolReleaseBuffer+0x1bb 01d0facc 79e79ccd 0000000d 00000000 79ec3f4b mscorwks+0x9cba 01d0fad8 79ec3f4b 79e7c82c 79ec3f53 f818458d mscorwks+0x9ccd 00000000 00000000 00000000 00000000 00000000 mscorwks!CreateAssemblyNameObject+0x22f40 [6/17/2010 5:33:37 PM] Thread exited. Exiting thread system id - 2144. Exit code - 0x00000000

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• Change ListView background - strage behaviour

  - by Beasly

  Hi again, I have a problem with changing the background of a view in a ListView. What I need: Change the background image of a row onClick() What actually happens: The background gets changed (selected) after pressing e.g. the first entry. But after scrolling down the 8th entry is selected too. Scroll back to the top the first isn't selected anymore. The second entry is selected now. Continue scrolling and it continues jumping... What i'm dong in the Code: I have channels, and onClick() I toggle an attribute of channel boolean selected and then I change the background. I'm doing this only onClick() thats why I don't get why it's actuelly happening on other entries too. One thing I notices is: It seems to be only the "drawing"-part because the item which get selected "by it self" has still the selected value on false I think it seems to have something to do with the reuse of the views in the custom ListAdapters getView(...) Code of onClick() in ListActivity: @Override protected ViewHolder createHolder(View v) { // createHolder will be called only as long, as the ListView is not // filled TextView title = (TextView) v .findViewById(R.id.tv_title_channel_list_adapter); TextView content = (TextView) v .findViewById(R.id.tv_content_channel_list_adapter); ImageView icon = (ImageView) v .findViewById(R.id.icon_channel_list_adapter); if (title == null || content == null || icon == null) { Log.e("ERROR on findViewById", "Couldn't find Title, Content or Icon"); } ViewHolder mvh = new MyViewHolder(title, content, icon); // We make the views become clickable // so, it is not necessary to use the android:clickable attribute in // XML v.setOnClickListener(new ChannelListAdapter.OnClickListener(mvh) { public void onClick(View v, ViewHolder viewHolder) { // we toggle the enabled state and also switch the the // background MyViewHolder mvh = (MyViewHolder) viewHolder; Channel ch = (Channel) mvh.data; ch.setSelected(!ch.getSelected()); // toggle if (ch.getSelected()) { v.setBackgroundResource(R.drawable.row_blue_selected); } else { v.setBackgroundResource(R.drawable.row_blue); } // TESTING Log.d("onClick() Channel", "onClick() Channel: " + ch.getTitle() + " selected: " + ch.getSelected()); } }); return mvh; } Code of getView(...): @Override public View getView(int position, View view, ViewGroup parent) { ViewHolder holder; // When view is not null, we can reuse it directly, there is no need // to reinflate it. // We only inflate a new View when the view supplied by ListView is // null. if (view == null) { view = mInflater.inflate(mViewId, null); // call own implementation holder = createHolder(view); // TEST // we set the holder as tag view.setTag(holder); } else { // get holder back...much faster than inflate holder = (ViewHolder) view.getTag(); } // we must update the object's reference holder.data = getItem(position); // call the own implementation bindHolder(holder); return view; } I really would appreciate any idea how to solve this! :) If more information is needed please tell me. Thanks in advance!

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• Mouseover triggered on absolute positioned div

  - by Tauren

  Objective Have a small magnifying glass icon that appears in the top right corner of a table cell when the table cell is hovered over. Mousing over the magnifying glass icon and clicking it will open a dialog window to show detailed information about the item in that particular table cell. I want to reuse the same icon for hundreds of table cells without recreating it each time. Partial Solution Have a single <span> that is absolutely positioned and hidden. When a _previewable table cell is hovered, the <span> is moved to the correct location and shown. This <span> is also moved in the DOM to be a child of the _previewable table cell. This enables a click handler attached to the <span> to find the _previewable parent, and get information from it's jquery data() object that is used to populate the contents of the dialog. Here is a very simplified version of my HTML: <body> <span id="options"> <a class="ui-state-default ui-corner-all"> <span class="ui-icon ui-icon-search"></span> Preview </a> </span> <table> <tr> <td class="_previewable"> <img scr="user_1.png"/> <span>Bob Smith</span> </td> </tr> </table> </body> And this CSS: #options { position: absolute; display: none; } With this jQuery code: var $options = $('#options'); $options.click(function() { $item = $(this).parents("._previewable"); // Show popup based on data in $item.data("id"); Layout.renderPopup($item.data("id"),$item.data("popup")); }); $('._previewable').live('mouseover mouseout',function(event) { if (event.type == 'mouseover') { var $target = $(this); var $parent = $target.offsetParent()[0]; var left = $parent.scrollLeft + $target.position().left + $target.outerWidth() - $options.outerWidth() + 1; var top = $parent.scrollTop + $target.position().top + 2; $options.appendTo($target); $options.css({ "left": left + "px", "top": top + "px" }).show(); } else { // On mouseout, $options continues to be a child of $(this) $options.hide(); } }); Problem This solution works perfectly until the contents of my table are reloaded or changed via AJAX. Because the <span> was moved from the <body> to be a child of the cell, it gets thrown out and replaced during the AJAX call. So my first thought is to move the <span> back to the body on mouseout of the table cell, like this: else { // On mouseout, $options is moved back to be a child of body $options.appendTo("body"); $options.hide(); } However, with this, the <span> disappears as soon as it is mouseover. The mouseout event seems to be called on _previewable when the mouse moves into the <span>, even though the <span> is a child of _previewable and fully displayed within the boundaries of the _previewable table cell. At this point, I've only tested this in Chrome. Questions Why would mouseout be called on _previewable, when the mouse is still within the boundaries of _previewable? Is it because the <span> is absolutely positioned? How can I make this work, without recreating the <span> and it's click handler on each AJAX table referesh?

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• String from Httpresponse not passing full value.

  - by Shekhar_Pro

  HI i am in desperate need for help here, I am making a web request and getting a json string with Response.ContentLenth=2246 but when i parse it in a string it gives only few 100 characters, i traked it down that it is only getting values less than 964. strings length is still 2246 but remaining values are just (\0) null characters. Its also giving an error Unterminated string passed in. (2246): at following line FacebookFeed feed = sr.Deserialize<FacebookFeed>(data); It works fine if the response stream contains characters less than 964 chars. Following is the extract from the full code error encountered in last line. System.Web.Script.Serialization.JavaScriptSerializer sr = new System.Web.Script.Serialization.JavaScriptSerializer(); System.Net.HttpWebRequest req = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(@"https://graph.facebook.com/100000570310973_181080451920964"); req.Method = "GET"; System.Net.HttpWebResponse res = (System.Net.HttpWebResponse)req.GetResponse(); byte[] resp = new byte[(int)res.ContentLength]; res.GetResponseStream().Read(resp, 0, (int)res.ContentLength); string data = Encoding.UTF8.GetString(resp); FacebookFeed feed = sr.Deserialize<FacebookFeed>(data); error given is Unterminated string passed in. (2246): {"id":"100000570310973_1810804519209........ (with rest of data in the string data including null chars) following is the shape of classes used in my code: public class FacebookFeed { public string id { get; set; } public NameIdPair from { get; set; } public NameIdPair to { get; set; } public string message { get; set; } public Uri link{get;set;} public string name{get; set;} public string caption { get; set; } public Uri icon { get; set; } public NameLinkPair[] actions { get; set; } public string type { get; set; } public NameIdPair application { get; set; } //Mentioned in Graph API as attribution public DateTime created_time { get; set; } public DateTime updated_time { get; set; } public FacebookPostLikes likes { get; set; } } public class NameIdPair { public string name { get; set; } public string id { get; set; } } public class NameLinkPair { public string name { get; set; } public Uri link{get; set;} } public class FacebookPostLikes { public NameIdPair[] data { get; set; } public int count { get; set; } }

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• Submitting a URL into a Form without "http://", with "www.", or with neither

  - by John

  (EDITED) Hello, In the form below, the filed for <div class="urlfield"><input name="url" type="url" id="url" maxlength="500"></div> fine when a URL is submitted that has a "http://" at the beginning of it. However, it doesn't work if a URL is submitted with only a "www." in front of it, or with neither a "http://" nor a "www." How can I make it work in all if the submitted URL has any or none of the following at the beginning of it: http:// www. http://www. Thanks in advance, John Form: echo '<div class="submittitle">Submit an item.</div>'; echo '<form action="http://www...com/.../submit2.php" method="post"> <input type="hidden" value="'.$_SESSION['loginid'].'" name="uid"> <div class="submissiontitle"><label for="title">Story Title:</label></div> <div class="submissionfield"><input name="title" type="title" id="title" maxlength="1000"></div> <div class="urltitle"><label for="url">Link:</label></div> <div class="urlfield"><input name="url" type="url" id="url" maxlength="500"></div> <div class="submissionbutton"><input name="submit" type="submit" value="Submit"></div> </form> '; submit2.php: <?php if($_SERVER['REQUEST_METHOD'] == "POST"){header('Location: http://www...com/.../submit2.php');} require_once "header.php"; if (isLoggedIn() == true) { $remove_array = array('http://www.', 'http://', 'https://', 'https://www.', 'www.'); $cleanurl = str_replace($remove_array, "", $_POST['url']); $cleanurl = strtolower($cleanurl); $cleanurl = preg_replace('/\/$/','',$cleanurl); $cleanurl = stripslashes($cleanurl); $title = $_POST['title']; $uid = $_POST['uid']; $title = mysql_real_escape_string($title); $title = stripslashes($title); $cleanurl = mysql_real_escape_string($cleanurl); $site1 = 'http://' . $cleanurl; $displayurl = parse_url($site1, PHP_URL_HOST); function isURL($url1 = NULL) { if($url1==NULL) return false; $protocol = '(http://|https://)'; $allowed = '[-a-z0-9]{1,63}'; $regex = "^". $protocol . // must include the protocol '(' . $allowed . '\.)'. // 1 or several sub domains with a max of 63 chars '[a-z]' . '{2,6}'; // followed by a TLD if(eregi($regex, $url1)==true) return true; else return false; } if(isURL($site1)==true) mysql_query("INSERT INTO submission VALUES (NULL, '$uid', '$title', '$cleanurl', '$displayurl', NULL)"); else echo "<p class=\"topicu\">Not a valid URL.</p>\n"; } else { show_loginform(); } if (!isLoggedIn()) { if (isset($_POST['cmdlogin'])) { if (checkLogin($_POST['username'], $_POST['password'])) { show_userbox(); } else { echo "Incorrect Login information !"; show_loginform(); } } else { show_loginform(); } } else { show_userbox(); } require_once "footer.php"; ?>

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• I added a validation to one of my models, now Rails is telling me to add validation to the partial. Help!

  - by marcamillion

  This is the error I am getting: ArgumentError in Home#index Showing /app/views/clients/_form.html.erb where line #6 raised: You need to supply at least one validation Extracted source (around line #6): 3: render :partial => "clients/form", 4: :locals => {:client => client} 5: -%> 6: <% client ||= Client.new 7: new_client = client.new_record? %> 8: <%= form_for(client, :html => { :class=>"ajax-form", :id => "client-ajax-form"}, :remote => true, :disable_with => (new_client ? "Adding..." : "Saving...")) do |f| %> 9: <div class="validation-error" style="display:none"></div> My client model looks like this: class Client < ActiveRecord::Base # the user model for the client belongs_to :user has_many :projects, :order => 'created_at DESC', :dependent => :destroy #The following produces the designers for a particular client. #Get them from the relations where the current user is a client. has_one :ownership, :dependent => :destroy has_one :designer, :through => :ownership validates :name, :presence => true, :length => {:minimum => 1, :maximum => 128} validates :number_of_clients def number_of_clients Authorization.current_user.clients.count <= Authorization.current_user.plan.num_of_clients end end This is how the app/views/client/_form.html.erb partial looks: <%# Edit a single client render :partial => "clients/form", :locals => {:client => client} -%> <% client ||= Client.new new_client = client.new_record? %> <%= form_for(client, :html => { :class=>"ajax-form", :id => "client-ajax-form"}, :remote => true, :disable_with => (new_client ? "Adding..." : "Saving...")) do |f| %> <div class="validation-error" style="display:none"></div> <div> <label for="client_name"><span class="icon name-icon"> </span></label> <input type="text" class="name" size="20" name="client[name]" id="client_name" value="<%= client.name %>" > <%= f.submit(new_client ? "Add" : "Save", :class=> "green awesome")%> </div> <% end %> <% content_for(:deferred_js) do %> // From the Client Form $('#client-ajax-form') .bind("ajax:success", function(evt, data, status, xhr){ console.log("Calling Step View"); compv.updateStepView('client', xhr); }); <% end %> How do I fix that error ?

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• Expanding Rows for Unique Checkboxes

  - by Marc Morgan

  I was just recently given a project for my job to write a script that compares two mysql databases and print out information into an html table. Currently, I am trying to insert a checkbox by each individual's name and when selected, rows pertaining to that individual will expand underneath the person's name. I am combining javascript into my script to do this, although I really have no experience is it. The problem I am having is that when any checkbox is selected, all the rows for each individual is expanding instead of the rows pertaining only to the one individual selected. Here is the coding so far: <?php $link = mysql_connect ($server = "harris.lib.fit.edu", $username = "", $password = "") or die(mysql_error()); $db = mysql_select_db ("library-test") or die(mysql_error()); $ids = mysql_query("SELECT * FROM `ifc_studylog`") or die(mysql_error()); //not single quotes (tilda apostrophy) $x=0; $n=0; while($row = mysql_fetch_array( $ids )) { $tracksid1[$x] = $row['fitID']; $checkin[$x] = $row['checkin']; $checkout[$x] = $row['checkout']; $n++; $x++; } $names = mysql_query("SELECT * FROM `ifc_users`") or die(mysql_error()); //not single quotes (tilda apostrophy) $x=0; while($row = mysql_fetch_array( $names )) { $tracksnamefirst[$x] = $row['firstName']; $tracksnamesecond[$x] = $row['lastname']; $tracksid2[$x] = $row['fitID']; $tracksuser[$x] = $row['tracks']; $x++; } $x=0; foreach($tracksid2 as $comparename) { $chk = strval($x); ?> <script type='text/javascript' src='http://code.jquery.com/jquery-1.4.2.js'></script> <script type='text/javascript'> $(window).load(function () { $('.varx').click(function () { $('.text').toggle(this.checked); });}); </script> <?php echo '<td><input id = "<?=$chk?>" type="checkbox" class="varx" /></td>'; echo '<td align="center">'.$comparename.'</td>'; echo'<td align="center">'.$tracksnamefirst[$x].'</td>'; echo'<td align="center">'.$tracksnamesecond[$x].'</td>'; $z=0; foreach($tracksid1 as $compareid) { $HH=0; $MM =0; $SS =0; if($compareid == $comparename)// && $tracks==$tracksuser[$x]) { $SS = sprintf("%02s",(($checkout[$z]-$checkin[$z])%60)); $MM = sprintf("%02s",(($checkout[$z]-$checkin[$z])/60 %60)); $HH = sprintf("%02s",(($checkout[$z]-$checkin[$z])/3600 %24)); // echo'<td align="center">'.$HH.':'.$MM.':'.$SS.'</td>'; echo '</tr>'; echo '<tr>'; echo "<td id='txt' class='text' align='center' colspan='2' style='display:none'></td>"; echo "<td id='txt' class='text' align='center' style='display:none'>".$checkin[$z]."</td>"; echo '</tr>'; } echo '<tr>'; $z++; echo '</tr>'; } $x++; } } ?> Any Help is appreciated and sorry if I am too vague on the subject. The username and password is left off for security purposes.

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• Redis Cookbook Chat Recipe

  - by Tommy Kennedy

  I am a new starter to Node.Js and Redis. I got the Redis cookbook and was trying out the Chat client & Server recipe. I was wondering if anybody got the code to work or if there is some bug in the code. I dont see where the sent messages from the client get invoked on the server. Any help would be great. Regards, Tom Client Code: <?php ?> <html> <head> <title></title> <script src="http://192.168.0.118:8000/socket.io/socket.io.js"></script> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"></script> <script> var socket = io.connect('192.168.0.118',{port:8000}); socket.on('message', function(data){ alert(data); //var li = new Element('li').insert(data); //$('messages').insert({top: li}); }); </script> </head> <body> <ul id="messages"> <!-- chat messages go here --> </ul> <form id="chatform" action=""> <input id="chattext" type="text" value="" /> <input type="submit" value="Send" /> </form> <script> $('#chatform').submit(function() { socket.emit('message', 'test'); //$('chattext').val()); $('chattext').val(""); // cleanup the field return false; }); </script> </body> </html> Server Code: var http = require('http'); io = require('socket.io'); redis = require('redis'); rc = redis.createClient(); //rc1 = redis.createClient(); rc.on("connect",function(){ rc.subscribe("chat"); console.log("In Chat Stream"); }); rc.on("message",function (channel,message){ console.log("Sending hope: " + message); //rc1.publish("chat","hope"); socketio.sockets.emit('message',message); }); server = http.createServer(function(req,res){ res.writeHead(200,{'content-type':'text/html'}); res.end('<h1>hello world</h1>'); }); server.listen(8000); var socketio = io.listen(server);

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• Adding a div layer on top of a jquery carousel. Tough one.

  - by wilwaldon

  Hey everyone, I have a tough one, well it's tough for me because I'm kinda new to the whole jQuery carousel thing, never built one before this project. Here's my problem. If you go to the TEST SITE you will see a scroller with a blue background about half way down the page. If you mouse onto the "data analytics" slide you should see a black box fade in. Here is my dilemma. I want that black box to be a menu that's connected to the data analytics slide. I've done a mock up for you so you can see what I'm talking about. Here is my scroller code. I'm using jCarousel. <div class="carousel"> <ul> <li> <div id="homeslide1"> testers sdfasdfasdfas asdftjhs iasndkad kasdnf <a href="#" id="#homeslide1-toggle">Close this</a> </div> <a href="#" id="homeslide1-show"><img src="<?php bloginfo('template_url'); ?>/images/home_data_analytics.jpg" width="200" height="94" /></a> </li> <li><img src="<?php bloginfo('template_url'); ?>/images/home_oem_partnerships.jpg" width="200" height="94" /></li> <li><img src="<?php bloginfo('template_url'); ?>/images/home_reporting.jpg" width="200" height="92" /></li> <li><img src="<?php bloginfo('template_url'); ?>/images/home_returning_lost_customers.jpg" width="200" height="92" /></li> <li><img src="<?php bloginfo('template_url'); ?>/images/home_sales.jpg" width="200" height="92" /></li> <li><img src="<?php bloginfo('template_url'); ?>/images/home_service_retention.jpg" width="200" height="92" /></li> </ul> Here is my scroller css /*HOMEPAGE SCROLLER*/ .carousel {!important padding:10px; width: 890px; margin: 0px 0px 0px 26px;} .carousel ul li element.style{height: 94px;} .carousel ul{width: 200px; padding: 5px;} .carouselitem{height: 94px;} .prev{background: url(images/home_left_scroll.png); height: 94px; width: 16px; text-indent: -999px; outline: none; cursor:pointer; float: left;} .next{background: url(images/home_right_scroll.png); height: 94px; width: 16px; text-indent: -999px; outline: none; cursor:pointer; float: right;} .carousel ul li{ padding: 0px 3px 0px 3px; margin: 0px; height:!important 94px; } .home_right_arrow{ width: 16px; float: right;} .home_left_arrow{ width: 16px; float: left;} .homeslide1{ width: 200px; height: 94px;} I've tried all sorts of z-index tricks but can't seem to figure it out on my own. If you solve this riddle I'll buy you a beer if we ever meet up. I'll also give you a high five through the internet. Is there a simple way to do this via jQuery? If so could you point me in the right direction? Thanks so much.

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• Jquery autocomplete UI - No results on multiple fields

  - by pjammer

  Andrew's answer to my comment has sparked this question. According to his awesome answer in the link above, the code at the bottom of the question will only work for ONE widget. But it's killer nice code and makes sense... I guess I want the best of both worlds. Nice JS, (if that is possible) and to have the zero results show() just the element that we're using at the time. This code snippet is the main crux of my problem, as I see it: source: function (request, response) { jQuery.ajax({ url: "/autocomplete.json", data: { term: request.term }, success: function (data) { if (data.length == 0) { jQuery('span.guest_investor_email').show(); jQuery('span.investor_field_delete_button').show(); } response(data); } }); Currently: I have a button on my page that says "Add more Information" and each time you click it, a new instance of the autocomplete text field appears, complete with some hidden fields and a display:none; on guest_investor_email. If I use the autocomplete text field, say 3 times, and i have 3 autocomplete instances on the page and the third one finds 0 results: The code will show() all 3 instances of the guest_investor_email text field, instead of just this one that is blank. QUESTION: How do i get something like jQuery(this).siblings(('span.guest_investor_email').show(); to work? this is an Object and not an array of elements to select. If it isn't with this I don't mind, as long as I know how to get at it. Thanks. Full Code: jQuery(".auto_search_complete").live("click", function() { jQuery(this).autocomplete({ minLength: 3, source: function (request, response) { jQuery.ajax({ url: "/autocomplete.json", data: { term: request.term }, success: function (data) { if (data.length == 0) { jQuery('span.guest_investor_email').show(); jQuery('span.investor_field_delete_button').show(); } response(data); } }); }, focus: function(event, ui) { jQuery(this).val(ui.item.user ? ui.item.user.name : ui.item.pitch.name); return false; }, select: function(event, ui) { jQuery(this).val(ui.item.user ? ui.item.user.name : ui.item.pitch.name); jQuery(this).siblings('div.hidden_fields').children('.poly_id').val(ui.item.user ? ui.item.user.id : ui.item.pitch.id); jQuery(this).siblings('div.hidden_fields').children('.poly_type').val(ui.item.user ? "User" : "Pitch"); jQuery(this).siblings('span.guest_investor_email').hide(); jQuery(this).siblings('span.investor_field_delete_button').show(); jQuery(this).attr('readonly','readonly'); jQuery(this).attr('id', "investor-selected"); return false; } }).each(function() { jQuery(this).data( "autocomplete" )._renderItem = function( ul, item ) { return jQuery( "" ) .data( "item.autocomplete", item ) .append("" + (item.user ? item.user.name : item.pitch.name) + "" + (item.user ? item.user.investor_type : item.pitch.investor_type) + " - " + (item.user ? item.user.city : item.pitch.city) + "" ) .appendTo( ul ); }; }); });

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• Geolocation through Android's GPS Provider on a website?

  - by Corey Ogburn

  I'm trying to get the geolocation of the mobile device in a regular website, not a webview of an application or anything native like that. I'm getting a location, but it's highly inaccurate, the accuracy comes back as 3230 or some other outrageous number. I'm assuming that's in meters, either way it's not nearly accurate enough. By comparison, the same webpage on a laptop gets an accuracy of 30-40. My first thought was that it was using the Network Provider instead of the GPS Provider, telling me where I am based on tower location and reach. A little research later I found enableHighAccuracy and set it true in the options that I pass. After including that, I still notice no difference. Here's the test page's HTML/javascript: <html> <head> <script type="text/javascript" src="http://ecn.dev.virtualearth.net/mapcontrol/mapcontrol.ashx?v=7.0"></script> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js"></script> <script type="text/javascript"> function OnLoad() { $("#Status").text("Init"); if (navigator.geolocation) { $("#Status").text("Supports Geolocation"); navigator.geolocation.getCurrentPosition(HandleLocation, LocationError, { enableHighAccuracy: true }); $("#Status").text("Sent position request..."); } else { $("#Status").text("Doesn't support geolocation"); } } function HandleLocation(position) { $("#Status").text("Received response:"); $("#Position").text("(" + position.coords.latitude + ", " + position.coords.longitude + ") accuracy: " + position.coords.accuracy); var loc = new Microsoft.Maps.Location(position.coords.latitude, position.coords.longitude); GetMap(loc); } function LocationError(error) { switch(error.code) { case error.PERMISSION_DENIED: alert("Location not provided"); break; case error.POSITION_UNAVAILABLE: alert("Current location not available"); break; case error.TIMEOUT: alert("Timeout"); break; default: alert("unknown error"); break; } } function GetMap(loc) { var map = new Microsoft.Maps.Map(document.getElementById("mapDiv"), {credentials: "Aj59meaCR1e7rNgkfQy7j08Pd3mzfP1r04hGesGmLe2a3ZwZ3iGecwPX2SNPWq5a", center: loc, mapTypeId: Microsoft.Maps.MapTypeId.road, zoom: 15}); } </script> </head> <body onload="javascript:OnLoad()"> <div id="Status"></div> <div id="Position"></div><br/> <div id='mapDiv' style="position:relative; width:600px; height:400px;"></div> </body> </html> I'm testing this on a rooted MyTouch 3G running Cyanogen 6.1 stable, Android 2.2 and GPS is enabled. In case rooting was a problem, I have also had various friends and coworkers try the webpage on their non-rooted 2.0+ Android devices. Each phone had various effects on the accuracy, but none were better than 1000, I attribute this to the different carriers. I have not (but eventually will) tested with iPhone or other location-aware cell phones.

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• PHP - Nested Looping Trouble

  - by Jeremy A

  I have an HTML table that I need to populate with the values grabbed from a select statement. The table cols are populated by an array (0,1,2,3). Each of the results from the query will contain a row 'GATE' with a value of (0-3), but there will not be any predictability to those results. One query could pull 4 rows with 'GATE' values of 0,1,2,3, the next query could pull two rows with values of 1 & 2, or 1 & 3. I need to be able to populate this HTML table with values that correspond. So HTML COL 0 would have the TTL_NET_SALES of the db row which also has the GATE value of 0. <?php $gate = array(0,1,2,3); $gate_n = count($gate); /* Database = my_table.ID my_table.TT_NET_SALES my_table.GATE my_table.LOCKED */ $locked = "SELECT * FROM my_table WHERE locked = true"; $locked_n = count($locked); /* EXAMPLE RETURN Row 1: my_table['ID'] = 1 my_table['TTL_NET_SALES'] = 1000 my_table['GATE'] = 1; Row 2: my_table['ID'] = 2 my_table['TTL_NET_SALES'] = 1500 my_table['GATE'] = 3; */ print "<table border='1'>"; print "<tr><td>0</td><td>1</td><td>2</td><td>3</td>"; print "<tr>"; for ($i=0; $i<$locked_n; $i++) { for ($g=0; $g<$gate_n; $g++) { if (!is_null($locked['TTL_NET_SALES'][$i]) && $locked['GATE'][$i] == $gate[$g]) { print "<td>$".$locked['TTL_NET_SALES'][$i]."</td>"; } else { print "<td>-</td>"; } } } print "</tr>"; print "</table>"; /* What I want to see: <table border='1'> <tr> <td>0</td> <td>1</td> <td>2</td> <td>3</td> </tr> <tr> <td>-</td> <td>1000</td> <td>-</td> <td>1500</td> </tr> </table> */ ?>

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• What code in inherit part

  - by FullmetalBoy

  Problem: Having problem to find a source solution (inherit code in view state) to display data from SokningPerformSearchViewModel and its generic list in view state. Questions/request: Need to display data from my viewmodel SokningPerformSearchViewModel and its generic list as a strongly typed (if possible)? This question is a follow-up from my previous question Display a view with many to many relationship // Fullmetalboy namespace BokButik1.ViewModels { public class SokningPerformSearchViewModel { public List<BokSearchResultViewModel> Boksss { get; set; } } } namespace BokButik1.ViewModels { public class BokSearchResultViewModel { public List<Bok> Boks { get; set; } public List<Bok_Forfattare> Bok_Forfattares { get; set; } } } public class SokningController : Controller [AcceptVerbs(HttpVerbs.Post)] public ActionResult PerformSearch(string txtSearch, Kategori kategoriNummer) { Search myTest = new Search(txtSearch, kategoriNummer); SkaparListor mySkaparListor = new SkaparListor(myTest.HamtaBokListaFranSokFunktion(), myIBok_ForfattareRepository.HamtaAllaBok_ForfattareNummer()); var performViewModel = mySkaparListor.RattBokOchForfattarListaTillViewModel(); var SokningIndexViewModel = new SokningPerformSearchViewModel { Boksss = performViewModel }; return View(SokningIndexViewModel); } <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<BokButik1.ViewModels.SokningPerformSearchViewModel>" %> <asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server"> PerformSearch </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <h2>PerformSearch</h2> <table> <% foreach (var bok in Model.Boksss) { %> <tr> <td><%: bok.Boks %> av</td> <td rowspan="2"><%: bok.Bok_Forfattares %></td> <td rowspan="2"><div id="Div1"><input type="submit" value="Köp" /></div></td> </tr> <tr> <td></td> </tr> <tr> <td>.. </td> </tr> <% } %> </table> </asp:Content> namespace BokButik1.Models { public class SkaparListor { private List<Bok_Forfattare> _myIBok_ForfattareRepository; private List<Bok> _Bok; private List<BokSearchResultViewModel> _ViewBokSearch; public SkaparListor(List<Bok> pSpecifikBokLista, List<Bok_Forfattare> pBok_ForfattareLista) { _Bok = pSpecifikBokLista; _myIBok_ForfattareRepository = pBok_ForfattareLista; _ViewBokSearch = new List<BokSearchResultViewModel>(); } public List<BokSearchResultViewModel> RattBokOchForfattarListaTillViewModel() { foreach (var a in _Bok) { List<Bok> aaBok = new List<Bok>(); List<Bok_Forfattare> aaBok_Forfattare = new List<Bok_Forfattare>(); BokSearchResultViewModel results = new BokSearchResultViewModel(); aaBok.Add(a); foreach (var b in _myIBok_ForfattareRepository) { if(a.BokID == b.BokID) { aaBok_Forfattare.Add(b); } } results.Boks = aaBok; results.Bok_Forfattares = aaBok_Forfattare; _ViewBokSearch.Add(results); } return _ViewBokSearch; } } // Class }

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• please help!!! this plugin to exclude Pages from the Front Page does not work.

  - by souravran

  add_action('admin_menu', 'pag_admin_menu'); add_filter('wp_list_pages_excludes','exclude_PAG'); function pag_admin_menu() { add_options_page('Exclude', 'Exclude Page', 'administrator', 2, 'Pages'); } function Pages() { if( $_POST[ 'xclu_pag' ] ) { $message = process_PAG(); } $options = PAG_get_options(); ?> <div class="wrap"> <h2>Exclude Categories</h2> <?php //echo $message ?> <p>Use this page to select the pages you want to exclude.</p> <form action="" method="post"> <table width="960px"> <thead> <tr> <th scope="col">Category</th> <th scope="col" align="left">Exclude from Front Page.</th> </tr> </thead> <tbody id="the-list"> <?php //print_r( get_categories() ); $pags = get_pages(); //echo $pags; $temp_pag = 0; foreach( $pags as $pag ) { ?> <tr<?php if ( $temp_pag == 1 ) { echo ' class="alternate"'; $temp_pag = 0; } else { $temp_pag = 1; } ?>> <th scope="row"><?php echo $pag->post_title; ?></th> <td> <input type="checkbox" name="exclude_paggg[]" value="-<?php echo $pag->ID ?>" <?php if ( in_array( '-' . $pag->ID, $options['exclude_paggg'] ) ) { echo 'checked="true" '; } ?>/> </td> </tr> <?php } ?> </table> <p class="submit"><input type="submit" value="Save Changes" /></p> <input type="hidden" name="xclu_pag" value="true" /> </form> </div> <?php } function process_PAG() { if( !$_POST[ 'exclude_paggg' ] ) { $_POST[ 'exclude_paggg' ] = array(); } $options['exclude_paggg'] = $_POST[ 'exclude_paggg' ]; update_option('PAGExcludes', $options); $message_pag = "<div class='updated'><p>Excludes successfully updated</p></div>"; // return $message_pag; } function PAG_get_options() { $defaults = array(); $defaults['exclude_paggg'] = array(); $options = get_option('PAGExcludes'); if (!is_array($options)) { $options = $defaults; update_option('PAGExcludes', $options); } return $options; } function exclude_PAG($query_pag) { $options = PAG_get_options(); if ($query_pag-is_home) { $query_pag-set('pag', implode( ', ', $options[ 'exclude_paggg' ] ) ); } return $query_pag; } Where should I make any change to make it work to exclude pages from the front page..? INPUT WOULD BE GREATLY APPRECIATED....!! enter code here

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