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• Help in using shape drawable as my background xml

  - by n179911

  I really appreciate if someone can help me with using how to use shape drawable as my background xml for my view. This is what I tried: But I never get the color. Android always gives me black text on white background, regardless what color attribute I put. <?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle"> <stroke android:width="1dip" android:color="#FBBB" /> <solid android:color="#6000"/> </shape> I tried , does not work <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" android:color="#6000> </shape> I tried , does not work <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" android:background="#6000> </shape> I google this is the limited result I found to try.

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• Populating DataGrid with SQLResult Air Flex

  - by Deyon

  I been beating my self up all day on this...I'm about to call it quits and get some Chinese food -=\ I'm selecting data from a local SQL DB. [Bindable] public var ac:ArrayCollection; public function select():void { statement.sqlConnection=conn; statement.text="SELECT * FROM PROJECT"; statement.execute(); var res : SQLResult = statement.getResult(); ac = new ArrayCollection(res.data); //So this traces out [Object][object] So it works trace(ac); } If I do var myObj:Object=res.data[0]; I can trace myObj and view the data. But I don't know how to insert the data into a datagrid. mygrid.dataProvider=ac; dose not work. I'm using Flash Builder 4 Help please....

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• Jacob + Microsoft SpeechAPI trouble

  - by guai

  Following groovy code kills JVM on SetInterest method invocation It uses Scriptom, the groovy DSL for Jacob Spend whole day searching SAPI's SPFEI macro to rewrite it in groovy. Don't sure does it came out right. Or maybe other bugs %) Help welcomed import org.codehaus.groovy.scriptom.* import static org.codehaus.groovy.scriptom.tlb.sapi.SpeechVoiceSpeakFlags.* import static org.codehaus.groovy.scriptom.tlb.sapi.SpeechRunState.* import static org.codehaus.groovy.scriptom.tlb.sapi.SpeechLib.* import static org.codehaus.groovy.scriptom.tlb.sapi.SPEVENTENUM.* def spfei(Integer[] args) { res = 1<<SPEI_RESERVED1 | 1<<SPEI_RESERVED2 args.each {res |= 1<<it} res } Scriptom.inApartment { def voice = new ActiveXObject('SAPI.SpVoice') evtsrc = voice.toInterface(ISpEventSource) evtsrc.setInterest(spfei(SPEI_WORD_BOUNDARY), spfei(SPEI_WORD_BOUNDARY)) evtsrc.events.Callbacks = {args -> println 'jjj'} voice.speak "Hello, world", SVSFlagsAsync }

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• java servlet programming errror

  - by abson

  C:\Tomcat5.5\webapps\WEB-INF\classes>javac MyServlet.java MyServlet.java:2: package javax.servlet does not exist import javax.servlet.*; ^ MyServlet.java:3: package javax.servlet.http does not exist import javax.servlet.http.*; ^ MyServlet.java:5: cannot find symbol symbol: class HttpServlet public class MyServlet extends HttpServlet ^ MyServlet.java:7: cannot find symbol symbol : class HttpServletRequest location: class MyServlet public void doGet(HttpServletRequest req, HttpServletResponse res) throws Serv letException,IOException ^ MyServlet.java:7: cannot find symbol symbol : class HttpServletResponse location: class MyServlet public void doGet(HttpServletRequest req, HttpServletResponse res) throws Serv letException,IOException ^ MyServlet.java:7: cannot find symbol symbol : class ServletException location: class MyServlet public void doGet(HttpServletRequest req, HttpServletResponse res) throws Serv letException,IOException ^ 6 errors

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• Django: testing get query

  - by Brant

  Okay, so I am sick of writing this... res = Something.objects.filter(asdf=something) if res: single = res[0] else: single = None if single: # do some stuff I would much rather be able to do something like this: single = Something.objects.filter(asdf=something) if single: #do some stuff I want to be able to grab a single object without testing the filtered results. In other words, when i know there is either going to be 1 or 0 matching entries, I would like to jump right to that entry, otherwise just get a 'None'. The DoesNotExist error that goes along with .get does not always work so well when trying to compress these queries into a single line. Is there any way to do what I have described?

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• How to create named pipe (mkfifo) in Android?

  - by Ignas Limanauskas

  I am having trouble in creating named pipe in Android and the example below illustrates my dilemma: res = mkfifo("/sdcard/fifo9000", S_IRWXO); if (res != 0) { LOG("Error while creating a pipe (return:%d, errno:%d)", res, errno); } The code always prints: Error while creating a pipe (return:-1, errno:1) I can't figure out exactly why this fails. The application has android.permission.WRITE_EXTERNAL_STORAGE permissions. I can create normal files with exactly the same name in the same location, but pipe creation fails. The pipe in question should be accessible from multiple applications. I suspect that noone can create pipes in /sdcard. Where would it be the best location to do so? What mode mast should I set (2nd parameter)? Does application need any extra permissions?

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• Android ActivityGroup

  - by Vahag Vardanyan

  I know that ActivityGroup is in the "past", but I want to learn how to use it. So I write a simple TabHost, and want to show different activities using ActivityGroup. Here are the parts of code Player.java package player.org; import android.app.Activity; import android.app.TabActivity; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.media.MediaPlayer; import android.os.Bundle; import android.util.Log; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.widget.Button; import android.widget.ProgressBar; import android.widget.SeekBar; import android.widget.SeekBar.OnSeekBarChangeListener; import android.widget.TabHost; import android.widget.TabWidget; import android.widget.TextView; public class Player extends TabActivity { /** Called when the activity is first created. */ private MediaPlayer media=null; private SeekBar progress; private View play; private Progress p; TabHost tabhost; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.tabs); Resources res=getResources(); //TabHost tabhost=(TabHost) findViewById(R.id.tabhost); // tabhost.setup(); tabhost=getTabHost(); TabHost.TabSpec spec; Intent intent; intent=new Intent(this,Progress.class); spec=tabhost.newTabSpec("now playing").setIndicator("Now playing", res.getDrawable(R.drawable.icon)) .setContent(intent); tabhost.addTab(spec); intent=new Intent(this,Group.class); spec=tabhost.newTabSpec("all_songs").setIndicator("All songs", res.getDrawable(R.drawable.songs)) .setContent(intent); tabhost.addTab(spec); //intent=new Intent(this,Progress.class); spec=tabhost.newTabSpec("artists").setIndicator("Artists", res.getDrawable(R.drawable.icon)) .setContent(intent); tabhost.addTab(spec); spec=tabhost.newTabSpec("alboom").setIndicator("Alboom", res.getDrawable(R.drawable.icon)) .setContent(intent); tabhost.addTab(spec); tabhost.setCurrentTab(0); } } Group.java import android.os.Bundle; import android.view.View; public class Group extends ActivityGroup { @Override public void onCreate(Bundle savedInstanceStated) { super.onCreate(savedInstanceStated); View view = getLocalActivityManager().startActivity("AllSongs", new Intent(this, AllSongs.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView(); setContentView(view); } AllSongs.java package player.org; import java.util.ArrayList; import android.R.id; import android.app.ActivityGroup; import android.app.ListActivity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.Window; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TabHost; public class AllSongs extends ListActivity{ ArrayList<String> listItem=new ArrayList<String>(); ArrayAdapter<String> adapter; ListView listView; //Player p; TabHost tab; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //p=new Player(); adapter=new ArrayAdapter<String>(this,R.layout.list_item,listItem); setListAdapter(adapter); listView=getListView(); listView.setTextFilterEnabled(true); listView.setOnItemClickListener(listener); addItem("vahag"); addItem("vahagvahag"); } private OnItemClickListener listener=new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub Intent intent = new Intent(AllSongs.this,Progress.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); Group group= (Group) getParent(); View view=group.getLocalActivityManager().startActivity("Progress",intent).getDecorView(); setContentView(view); } }; public void addItem(String s) { listItem.add(s); adapter.notifyDataSetChanged(); } } and the Progress.java package player.org; import android.app.Activity; import android.app.ActivityGroup; import android.app.Dialog; import android.app.TabActivity; import android.content.Context; public class Progress extends Activity { // Called when the activity is first created. public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } } So, AllSongs.java try to change current activity with Progress activity, but when I press on list item, the Programm forsed closed, and logChat says "08-17 12:49:26.471: ERROR/AndroidRuntime(1500): java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'" I can't figure how to fix this problem, Can anyone helps?

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• How To: Eclipse compile error with Android ADT

  - by Sahat

  This error happens when you try to build & run .xml files (i.e. main.xml or strings.xml) files instead of .java Problem: [2010-05-28 06:42:42] Error in an XML file: aborting build. [2010-05-28 06:42:42] res/layout/main.xml:0: error: Resource entry main is already defined. [2010-05-28 06:42:42] res/layout/main.out.xml:0: Originally defined here. [2010-05-28 06:42:42] /Users/sakhat/Code/Sudoku/res/layout/main.out.xml:1: error: Error parsing XML: no element found Solution: Delete the main.out.xml, if you still can't run, then follow this: Eclipse - Project - Clean... - Choose your project - OK

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• Method to Create an Entity Framework Object Context

  - by Kubi

  public RBSEntities GetContext() { SqlConnectionStringBuilder sqlBuilder = new SqlConnectionStringBuilder(); sqlBuilder.DataSource = "a-pc"; sqlBuilder.InitialCatalog = "ABS"; sqlBuilder.IntegratedSecurity = true; string providerString = sqlBuilder.ToString(); EntityConnectionStringBuilder entityBuilder = new EntityConnectionStringBuilder(); entityBuilder.Provider = "System.Data.SqlClient"; entityBuilder.ProviderConnectionString = providerString; entityBuilder.Metadata = @"res://*/RBSModel.csdl| res://*/RBSModel.ssdl| res://*/RBSModel.msl"; RBSEntities entities = new RBSEntities(entityBuilder.ToString()); return entities; } Something wrong with the Metadata. Anybody having an idea about how to fix this ?

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• Gallery items become off-center when switching into landscape orientation.

  - by Sandile

  Hey Guys, Thanks for your time. I'm writing an application for android 2.2 and I'm using a gallery to circulate through a list of images that the user can then click to navigate other portions of the application. In portrait orientation, everything is kosher: the images are displaying correctly (completely in the center of the screen as I intended); however, in landscape orientation, all the images in the gallery are strangely displaced a fixed distance to the left of the center of the screen. I've been researching this issue for hours now and haven't found a solution. I'm hoping that some android guru can aid me in the resolution of this bizarre rendering issue. MainMenuActivity.java relevant code snippet (the activity in which the gallery resides) Gallery optionList = (Gallery)findViewById(R.id.mainMenuOptionList); GalleryItem[] optionListItemIdArray = new GalleryItem[] { new GalleryItem(R.drawable.icon_main_menu_option_list_blackboard, "Start Next Lesson", "Start the next planned vocab lesson."), new GalleryItem(R.drawable.icon_main_menu_option_list_index_cards, "Review Words", "Manually look over old words."), new GalleryItem(R.drawable.icon_main_menu_option_list_dice, "Play Vocab Games", "Play games to reinforce knowledge."), new GalleryItem(R.drawable.icon_main_menu_option_list_calendar, "View Lesson Plan", "View the schedule for coming lessons."), new GalleryItem(R.drawable.icon_main_menu_option_list_pie_chart, "View Performance Report", "Evaluate your overall performance statistics."), new GalleryItem(R.drawable.icon_main_menu_option_list_settings, "Manage Settings", "Change and modify application settings.") }; optionList.setAdapter(new GalleryImageAdapter(this, optionListItemIdArray)); NOTE: A GalleryItem is a POJO with an image resource id, title and description. GalleryImageAdapter.java: public class GalleryImageAdapter extends BaseAdapter { private Context context; private GalleryItem[] galleryItemArray; public GalleryImageAdapter(Context context, GalleryItem[] galleryItemArray) { this.context = context; this.galleryItemArray = galleryItemArray; } @Override public int getCount() { return galleryItemArray.length; } @Override public Object getItem(int position) { return position; } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { ImageView imageView = new ImageView(context); imageView.setImageResource(galleryItemArray[position].getImageId()); imageView.setScaleType(ImageView.ScaleType.FIT_START); imageView.setLayoutParams(new Gallery.LayoutParams(Gallery.LayoutParams.WRAP_CONTENT, Gallery.LayoutParams.WRAP_CONTENT)); return imageView; } } Portrait version of main_menu.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/mainMenuLinearLayout" android:background="#3067a8" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:id="@+id/mainMenuHeadingTextView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="10dip" android:textColor="#ffffff" android:textSize="50sp" android:text="@string/main_menu_heading" android:shadowColor="#555555" android:shadowDx="0" android:shadowDy="0" android:shadowRadius="2" /> <TextView android:id="@+id/mainMenuSubHeadingTextView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="15dip" android:textColor="#ffffff" android:textSize="15sp" android:text="@string/main_menu_sub_heading" android:shadowColor="#555555" android:shadowDx="0" android:shadowDy="0" android:shadowRadius="2" /> <Gallery xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/mainMenuOptionList" android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingTop="20dip" android:paddingBottom="10dip" android:spacing="40dip" /> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/mainMenuOptionListDetailLinearLayout" android:gravity="center_vertical|center_horizontal" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:id="@+id/mainMenuOptionListLabelTextView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#ffffff" android:textSize="25sp" android:shadowColor="#555555" android:shadowDx="0" android:shadowDy="0" android:shadowRadius="2" /> <TextView android:id="@+id/mainMenuOptionListDescriptionTextView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#ffffff" android:textSize="15sp" android:shadowColor="#555555" android:shadowDx="0" android:shadowDy="0" android:shadowRadius="2" /> </LinearLayout> </LinearLayout> Landscape version of main_menu.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/mainMenuLinearLayout" android:background="#3067a8" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:id="@+id/mainMenuHeadingTextView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="10dip" android:textColor="#ffffff" android:textSize="50sp" android:text="@string/main_menu_heading" android:shadowColor="#555555" android:shadowDx="0" android:shadowDy="0" android:shadowRadius="2" /> <TextView android:id="@+id/mainMenuSubHeadingTextView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:paddingLeft="15dip" android:textColor="#ffffff" android:textSize="15sp" android:text="@string/main_menu_sub_heading" android:shadowColor="#555555" android:shadowDx="0" android:shadowDy="0" android:shadowRadius="2" /> <Gallery xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/mainMenuOptionList" android:layout_width="fill_parent" android:layout_height="128dip" android:paddingLeft="0dip" android:paddingTop="5dip" android:spacing="10dip" /> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/mainMenuOptionListDetailLinearLayout" android:gravity="center_vertical|center_horizontal" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:id="@+id/mainMenuOptionListLabelTextView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#ffffff" android:textSize="25sp" android:shadowColor="#555555" android:shadowDx="0" android:shadowDy="0" android:shadowRadius="2" /> <TextView android:id="@+id/mainMenuOptionListDescriptionTextView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#ffffff" android:textSize="15sp" android:shadowColor="#555555" android:shadowDx="0" android:shadowDy="0" android:shadowRadius="2" /> </LinearLayout> </LinearLayout> Thank you for your time!

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• How can I make Outlook 2007 auto BCC messages to a specific email with specific words in subject usi

  - by tgadd

  So far I have this code from outlookcode.com which I can get to work sending all emails I send to the BCC email. I am not a developer, so I don't have a lot of context to go about editing this myself, or even approaching researching this. If anyone knows how to make this check for words in the subject, or check if the subject equals a certain string, I'd really appreciate it. Private Sub Application_ItemSend(ByVal Item As Object, _ Cancel As Boolean) Dim objRecip As Recipient Dim strMsg As String Dim res As Integer Dim strBcc As String On Error Resume Next ' #### USER OPTIONS #### ' address for Bcc -- must be SMTP address or resolvable ' to a name in the address book strBcc = "[email protected]" Set objRecip = Item.Recipients.Add(strBcc) objRecip.Type = olBCC If Not objRecip.Resolve Then strMsg = "Could not resolve the Bcc recipient. " & _ "Do you want still to send the message?" res = MsgBox(strMsg, vbYesNo + vbDefaultButton1, _ "Could Not Resolve Bcc Recipient") If res = vbNo Then Cancel = True End If End If Set objRecip = Nothing End Sub

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• ObjectContext ConnectionString Sqlite

  - by codegarten

  I need to connect to a database in Sqlite so i downloaded and installed System.Data.SQLite and with the designer dragged all my tables. The designer created a .cs file with public class Entities : ObjectContext and 3 constructors: 1st public Entities() : base("name=Entities", "Entities") this one load the connection string from App.config and works fine. App.config <connectionStrings> <add name="Entities" connectionString="metadata=res://*/Db.TracModel.csdl|res://*/Db.TracModel.ssdl|res://*/Db.TracModel.msl;provider=System.Data.SQLite;provider connection string=&quot;data source=C:\Users\Filipe\Desktop\trac.db&quot;" providerName="System.Data.EntityClient" /> </connectionStrings> 2nd public Entities(string connectionString) : base(connectionString, "Entities") 3rd public Entities(EntityConnection connection) : base(connection, "Entities") Here is the problem, i already tried n configuration, already used EntityConnectionStringBuilder to make the connection string with no luck. Can you please point me in the right direction!? EDIT(1) How can i construct a valid connection string?!

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• Outlook VBA to BCC emails sent not working in outlook 2007

  - by Pixfizz

  Inserted code in "ItemSend" and saved the ThisOutlookSession module. It worked once and no longer works. Before anyone asks; it was saved as BVaproject.OTM and is still there when I open the module back up after restarting outlook. Private Sub Application_ItemSend(ByVal Item As Object, _ Cancel As Boolean) Dim objRecip As Recipient Dim strMsg As String Dim res As Integer Dim strBcc As String On Error Resume Next ' #### USER OPTIONS #### ' address for Bcc -- must be SMTP address or resolvable ' to a name in the address book strBcc = "[email protected]" Set objRecip = Item.Recipients.Add(strBcc) objRecip.Type = olBCC If Not objRecip.Resolve Then strMsg = "Could not resolve the Bcc recipient. " & _ "Do you want still to send the message?" res = MsgBox(strMsg, vbYesNo + vbDefaultButton1, _ "Could Not Resolve Bcc Recipient") If res = vbNo Then Cancel = True End If End If Set objRecip = Nothing End Sub

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• Efficient algorithm to generate all solutions of a linear diophantine equation with ai=1

  - by Ben

  I am trying to generate all the solutions for the following equations for a given H. With H=4 : 1) ALL solutions for x_1 + x_2 + x_3 + x_4 =4 2) ALL solutions for x_1 + x_2 + x_3 = 4 3) ALL solutions for x_1 + x_2 = 4 4) ALL solutions for x_1 =4 For my problem, there are always 4 equations to solve (independently from the others). There are a total of 2^(H-1) solutions. For the previous one, here are the solutions : 1) 1 1 1 1 2) 1 1 2 and 1 2 1 and 2 1 1 3) 1 3 and 3 1 and 2 2 4) 4 Here is an R algorithm which solve the problem. library(gtools) H<-4 solutions<-NULL for(i in seq(H)) { res<-permutations(H-i+1,i,repeats.allowed=T) resum<-apply(res,1,sum) id<-which(resum==H) print(paste("solutions with ",i," variables",sep="")) print(res[id,]) } However, this algorithm makes more calculations than needed. I am sure it is possible to go faster. By that, I mean not generating the permutations for which the sums is H Any idea of a better algorithm for a given H ?

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• Iterator blocks in Clojure?

  - by Checkers

  I am using clojure.contrib.sql to fetch some records from an SQLite database. (defn read-all-foo [] (with-connection *db* (with-query-results res ["select * from foo"] (into [] res)))) Now, I don't really want to realize the whole sequence before returning from the function (i.e. I want to keep it lazy), but if I return res directly or wrap it some kind of lazy wrapper (for example I want to make a certain map transformation on result sequence), SQL-related bindings will be reset and connection will be closed after I return, so realizing the sequence will throw an exception. How can I enclose the whole function in a closure and return a kind of iterator block (like yield in C# or Python)? Or is there another way to return a lazy sequence from this function?

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• Change text fields background colour if negative number using Jquery/CSS

  - by Dan C

  Hi, I have the following text input on a budget calculator form which displays the final balance... <tr><td align="right"><b>Balance: &pound;</b></td><td align="left"><input type="text" class="res" name="res" id="res" size="10" readonly="readonly"></td></tr> How do I go about setting the background of the input to red using css and jquery if the value is a negative number? I am sure this is very simple but I have scanned the net looking for a solution for ages. Please can someone help?, my head hurts!

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• insufficient buffer when call DocumentProperties, also, global unlock wouldn't unlock...

  - by Quincy

  please see comments inline bool res = false; DWORD dwNeeded = DocumentPropertiesW(NULL, m_currPrinterHandle, (LPWSTR) m_currPrinterName.c_str(), NULL, NULL, 0); if (m_devmode_buf) { GlobalFree(m_devmode_buf); } m_devmode_buf = GlobalAlloc(GPTR, dwNeeded); GetLastError(); // = 0; if (m_devmode_buf) { LPDEVMODEW devmode_buf = (LPDEVMODEW) GlobalLock(m_devmode_buf); GetLastError(); // = 0 if (devmode_buf) { if (devmode_buf) { lala = DocumentPropertiesW(NULL, m_currPrinterHandle, (LPWSTR) m_currPrinterName.c_str(), devmode_buf, NULL, DM_OUT_BUFFER); if (lala == IDOK) { res = true; } GetLastError(); // = 122. insufficient buffer here. why???? } UInt32 res1 = GlobalUnlock(m_devmode_buf); // res1 is 1. should be 0 res2 = GetLastError(); // = 0 if (!(res1 == 0 && (res2 == ERROR_NOT_LOCKED || res2 == NO_ERROR))) { //res = false; } } }

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• SqlCommand asp.net C#

  - by emilios

  i you please help me out with my problem i am trying to create a function that output the data on a dropdownlist an setting my parameters my code goes as follow : public static List<string> GetTracks(out List<string> trackIds, string conferenceId) { var res = new List<string>(); trackIds = new List<string>(); var sqlCon = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString); SqlCommand cmd = new SqlCommand("select Track_name,Track_ID from TrackCommittee where Conference_id= @conferenceId", sqlCon); DataSet ds = new DataSet(); cmd.Connection.Open(); cmd.Parameters.Add(new SqlParameter("@conferenceId", conferenceId)); using (SqlDataReader sdr = cmd.ExecuteReader()) { while (sdr.Read()) { res.Add(sdr.GetString(sdr.GetOrdinal("Track_name"))); trackIds.Add(sdr.GetInt32(sdr.GetOrdinal("Track_ID")).ToString()); } } cmd.Connection.Close(); cmd.Dispose(); return res; } thanking you in advance

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• Shortening code

  - by Misiur

  Nah, looks like it was hosting fault. Who can make this code shorter? private function replaceFunc($subject) { foreach($this->func as $t) { preg_match_all('/\{'.$t.'\([a-zA-Z,\']+\)\}/i', $subject, $res); for($j = 0; $j < sizeof($res[0]); $j++) { preg_match('/\([a-zA-Z,\']+\)/i', $res[0][$j], $match); if($match > 0) { $prep = explode(", ", substr($match[0], 1, -1)); $args = array(); for($i = 0; $i < sizeof($prep); $i++) { $args[] = substr($prep[$i], 1, -1); } } else { $args = array(); } $subject = preg_replace('/\{'.$t.preg_quote($match[0]).'\}/i', call_user_func_array($t, $args), $subject); } } return $subject; }

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• Using Entity Framework for SQL Compact Edition 3.5 does not respect mode=exclusive property of conne

  - by AJ

  I am using SQL Server Compact 3.5 edition with Entity Framework and I want to have exclusive lock on the database as documented here http://msdn.microsoft.com/en-us/library/ms171817.aspx. However when you pass this in a connection string to Entity Framework it does not respect this at all. An example of the connection string as following private static readonly string _ConnectionStringFormat = @"metadata=res://*/Model.csdl|res://*/Model.ssdl|res://*/Model.msl; provider=System.Data.SqlServerCe.3.5; provider connection string='Data Source={0};Mode=Exclusive'"; If anyone has come across this issue before and have found out how to resolve this, then please let me know. Thanks Aj

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• Zend Dd Rowset getting parent row

  - by simple

  I am wondering about using the abstraction in Zend Db RowSet instead of joins, is it possible for instance I am able to get some info from parent table as in here /** * Get default photo info (path , description) */ public function getDefaultPhotoInfo($userdId){ $select = $this->select($this) ->where('id=?', $userdId); $rowset = $this->fetchAll($select); $current = $rowset->current(); $res = $current->findParentRow('UserPhotos', 'Avatar'); if(isset($res)){ return $res->toArray(); } } How can I use Rowset abstraction to get this logic working table( id, pic_path,) table_translation(id, table_id, lang_id, pic_title); the above is representation of two tables , the idea is to get the info from both table specifying the lang_id , it is easy with joins but can I do it with the abstraction of Db Rowset ?

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• Why is .NET faster than C++ in this case?

  - by acidzombie24

  -edit- I LOVE SLaks comment. "The amount of misinformation in these answers is staggering." :D Calm down guys. Pretty much all of you were wrong. I DID make optimizations. It turns out whatever optimizations I made wasn't good enough. I ran the code in GCC using gettimeofday (I'll paste code below) and used g++ -O2 file.cpp and got slightly faster results then C#. Maybe MS didn't create the optimizations needed in this specific case but after downloading and installing mingw I was tested and found the speed to be near identical. Justicle Seems to be right. I could have sworn I use clock on my PC and used that to count and found it was slower but problem solved. C++ speed isn't almost twice as slower in the MS compiler. When my friend informed me of this I couldn't believe it. So I took his code and put some timers onto it. Instead of Boo I used C#. I constantly got faster results in C#. Why? The .NET version was nearly half the time no matter what number I used. C++ version: #include <iostream> #include <stdio.h> #include <intrin.h> #include <windows.h> using namespace std; int fib(int n) { if (n < 2) return n; return fib(n - 1) + fib(n - 2); } int main() { __int64 time = 0xFFFFFFFF; while (1) { int n; //cin >> n; n = 41; if (n < 0) break; __int64 start = __rdtsc(); int res = fib(n); __int64 end = __rdtsc(); cout << res << endl; cout << (float)(end-start)/1000000<<endl; break; } return 0; } C# version: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Runtime.InteropServices; using System.ComponentModel; using System.Threading; using System.IO; using System.Diagnostics; namespace fibCSTest { class Program { static int fib(int n) { if (n < 2)return n; return fib(n - 1) + fib(n - 2); } static void Main(string[] args) { //var sw = new Stopwatch(); //var timer = new PAB.HiPerfTimer(); var timer = new Stopwatch(); while (true) { int n; //cin >> n; n = 41; if (n < 0) break; timer.Start(); int res = fib(n); timer.Stop(); Console.WriteLine(res); Console.WriteLine(timer.ElapsedMilliseconds); break; } } } } GCC version: #include <iostream> #include <stdio.h> #include <sys/time.h> using namespace std; int fib(int n) { if (n < 2) return n; return fib(n - 1) + fib(n - 2); } int main() { timeval start, end; while (1) { int n; //cin >> n; n = 41; if (n < 0) break; gettimeofday(&start, 0); int res = fib(n); gettimeofday(&end, 0); int sec = end.tv_sec - start.tv_sec; int usec = end.tv_usec - start.tv_usec; cout << res << endl; cout << sec << " " << usec <<endl; break; } return 0; }

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• Why is my launcher icon smaller when placed on the Android desktop?

  - by Richard

  I have an application built for 1.5 and I am adding higher resolution drawables to support hdpi devices in 1.6 and above. My original application icon is 48x48. I created a second launcher icon that is 72x72 and placed it in a res/drawable-hdpi/ directory. When I install the application on my Nexus One the icon looks good when I view it in the application menu. But when I place it on the desktop it appears small relative to other icons, my guess is I'm seeing the 48x48 version with no scaling. These are my two resource directories: res/drawable/appicon.png res/drawable-hdpi/appicon.png Do I need to do something differently either with my directory structure or my manifest file to get things to display correctly? Thanks!

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• Change widget text in another activity

  - by Darmen

  Suppose I have ActivityA and ActivityB, also suppose that ActivityA is active. I need to: Programmatically set a text of EditText in ActivityB from ActivityA Launch ActivityB Here's my code: EditText res; final LayoutInflater factory = getLayoutInflater(); final View resultView = factory.inflate(R.layout.ActivityB, null); // get widget res = (EditText) resultView.findViewById(R.id.txtResult); // set the text res.setText("foobar"); // create intent Intent i = new Intent(ActivityA.this, ActivityB.class); startActivity(i); ActivityB starts, but without any text in txtResult. How can I fix that?

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• Redirecting the response from a filter throws an IllegalStateException

  - by Ritesh M Nayak

  I am writing a filter that will handle all authentication related tasks. My filter is a standard servlet filter as shown below @Override public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { UserSession attribute = (UserSession)request.getSession().getAttribute("user_session_key"); if(attribute!=null && attribute.isValid()) { //proceed as usual, chain.doFilter(req, res); return; } else { //means the user is not authenticated, so we must redirect him/her to the login page ((HttpServletResponse)res).sendRedirect("loginpage"); return; } } But when I do this, I get an IllegalStateException thrown by Tomcat's ResponseFacade. How do I acheive this in a filter. I read in other SO threads that in TOmcat this is a problem as the response object is already commited. How do I get past this ?

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