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• How to change the text int JLabel under the while or for loop?

  - by guilgamos

  I want to create a simple clock by using java. The code is very simply that i will give an example shown below for(int i=0;i<=60;i++) jLabel11.setText( Integer.toString(i) ); The problem is while I'm running my program the result didn't show the update in sequence. I mean it show only 60 digit immediately. It didn't show the change from 1 to 2 to 3 ... something like this. How can i fix this problem. Thank you in advance.

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• download html source android?

  - by mars

  I'm trying to download a website source code and display it in a textbox but I seem to get an error and can't figure it out :s public void getHtml() throws ClientProtocolException, IOException { HttpClient httpClient = new DefaultHttpClient(); HttpContext localContext = new BasicHttpContext(); HttpGet httpGet = new HttpGet("http://www.spartanjava.com"); HttpResponse response = httpClient.execute(httpGet, localContext); String result = ""; BufferedReader reader = new BufferedReader( new InputStreamReader( response.getEntity().getContent() ) ); String line = null; while ((line = reader.readLine()) != null){ result += line + "\n"; Toast.makeText(activity.this, line.toString(), Toast.LENGTH_LONG).show(); } } how come this doesn't work and throw an IOException?

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• How to get google app engine logs in C#?

  - by Max

  I am trying to retrieve app engine logs the only result I get is "# next_offset=None", below is my code: internal string GetLogs() { string result = _connection.Get("/api/request_logs", GetPostParameters(null)); return result; } private Dictionary<string, string> GetPostParameters(Dictionary<string, string> customParameters) { Dictionary<string, string> parameters = new Dictionary<string, string>() { { "app_id", _settings.AppId }, { "version", _settings.Version.ToString() } }; if (customParameters != null) { foreach (string key in customParameters.Keys) { if (parameters.ContainsKey(key)) { parameters[key] = customParameters[key]; } else { parameters.Add(key, customParameters[key]); } } } return parameters; }

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• vs2003: identify the referrer page in asp.net

  - by dotnet-practitioner

  Hi, In VS2003, I am trying to find out the particular page where the request is coming from. I want to identify the exact aspx page name. Is there a way to only get the page name or some how strip the page name? Currently I am using the following instruction... string referencepage = HttpContext.Current.Request.UrlReferrer.ToString(); and I get the following result... "http://localhost/MyPage123.aspx?myval1=3333&myval2=4444; I want to get the result back with out any query string parameters and be able to identify the page MyPage123.aspx accurately... How do I do that?? Thanks

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• Setting the size of a silverlight window at runtime automatically?

  - by dilbert789

  I need to be able to change the size of my Silverlight object at run time because I have content that changes in size dramatically between pages, and I'd rather not show a Silverlight scroll bar inside the browser scroll bar. I was able to do the following to get it to work: In the aspx page hosting the silverlight control: - Set your Div to the starting size you need it to be - Set the Silverlight Obejct to width=”100%” height=”100%” In your Main page add this: public static void ChangeSize(string height) { var myDiv = HtmlPage.Plugin.Parent; while (myDiv.TagName != "div") myDiv = myDiv.Parent; myDiv.SetStyleAttribute("height", height); } Anywhere you want to now change the size of the page do this: string newHeight = (App.Current.Host.Content.ActualHeight + 75).ToString(); MainPage.ChangeSize(newHeight + "px"); //App.Current.Host.Content.ActualHeight will get the current actual height of the object Is there a way that I can set this to re-size automatically so that I do not have to specify the amount to change? Currently using SL 2, interested in if there is another way in a different version though.

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• Is there a way to create a string that matches a given C# regex?

  - by Chris Phillips

  My application has a feature that parses text using a regular expression to extract special values. I find myself also needing to create strings that follow the same format. Is there a way to use the already defined regular expression to create those strings? For example, assume my regex looks something like this: public static Regex MyRegex = new Regex( @"sometext_(?<group1>\d*)" ); I'd like to be able to use MyRegex to create a new string, something like: var created = MyRegex.ToString( new Dictionary<string, string>() {{ "group1", "data1" }}; Such that created would then have the value "sometextdata1".

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• It says command.ExecuteNonQuery() is not initialized

  - by Alfrezo

  My code: // Get Connection String string conn = WebConfigurationManager.ConnectionStrings["GraduatesConnectionString"].ToString(); // Create connection object SqlConnection connection = new SqlConnection(conn); SqlCommand command = connection.CreateCommand(); try { // Open the connection. connection.Open(); // Execute the insert command. command.CommandText = ("INSERT INTO PersonalInfo(Id,Name,LastName,ContactNumber, Address,Gender, Date_Of_Birth) VALUES(\'" + (this.txtID.Text + ("\',\'" + (this.txtName.Text + ("\',\'" + (this.txtLastName.Text + ("\',\'" + (this.txtContactNumber.Text + ("\',\'" + (this.txtAddress.Text + ("\',\'" + (this.gender + ("\',\'" + (this.txtDateofBirth.Text + ("\',\'" ))))); command.ExecuteNonQuery(); } finally { // Close the connection. connection.Close(); }

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• How to get data from dynamically created EditText views and insert it into an array?

  - by Snwspeckle

  So basically what I need my program to do at this point is that when I click the submit button, I need to loop through each dynamic row of the ListView and grab the value in the EditText view and then insert that into an array which I will do further calculations after. Here is my code right now. package com.hello_world; import java.util.ArrayList; import com.hello_world.ByteInputActivity.MyAdapter.ViewHolder; import android.app.Activity; import android.content.Context; import android.os.Bundle; import android.util.Log; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnFocusChangeListener; import android.view.View.OnKeyListener; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.ListView; import android.widget.TextView; public class ByteInputActivity extends Activity { private ListView myList; private MyAdapter myAdapter; private Integer resQuestions; private Integer indexVal = 0; private View caption; ViewHolder holder; ArrayList<Integer> intArrayList = new ArrayList<Integer>(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.fieldlist); //Gets number of questions from MainActivity Bundle extras = getIntent().getExtras(); if(extras !=null) { resQuestions = extras.getInt("index"); } myList = (ListView) findViewById(R.id.FieldList); myList.setItemsCanFocus(true); myAdapter = new MyAdapter(); myList.setAdapter(myAdapter); Button submit = (Button) findViewById(R.id.btn_New); submit.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { for (int i = 0; i < myList.getCount() ; i++) { View vListSortOrder; vListSortOrder = myList.getChildAt(i); String temp = holder.caption.getText().toString(); Log.e("VALUES", "" +temp); } } }); } public class MyAdapter extends BaseAdapter { private LayoutInflater mInflater; public ArrayList myItems = new ArrayList(); public MyAdapter() { mInflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE); for (int i = 0; i < resQuestions; i++) { ListItem listItem = new ListItem(); listItem.caption = "Index " + i; listItem.indexText = "Index " + i; myItems.add(listItem); indexVal += 1; } notifyDataSetChanged(); } public int getCount() { return myItems.size(); } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { if (convertView == null) { holder = new ViewHolder(); convertView = mInflater.inflate(R.layout.item, null); holder.indexText = (TextView) convertView .findViewById(R.id.textView1); holder.caption = (EditText) convertView .findViewById(R.id.ItemCaption); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } //Fill EditText with the value you have in data source holder.caption.setText(""); holder.caption.setId(position); holder.indexText.setText("Index " + position); holder.indexText.setId(position); //we need to update adapter once we finish with editing holder.caption.setOnFocusChangeListener(new OnFocusChangeListener() { public void onFocusChange(View v, boolean hasFocus) { if (!hasFocus){ final int position = v.getId(); final EditText Caption = (EditText) v; myItems.set(position, Caption.getText().toString()); } } }); return convertView; } class ViewHolder { EditText caption; TextView indexText; } class ListItem { String caption; String indexText; } } }

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• List files starting with a specific name using java

  - by user3610075

  i want to list files starting with a name like "Report" from a folder. i found this in google to list all files but i don't how to list file starting with a name. Thank you File directory = new File("C:\\Users\\kiki\\Downloads"); File[] files = directory.listFiles(); for (int index = 0; index < files.length; index++) { //Print out the name of files in the directory System.out.println(files[index].toString()); }

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• website inserting pics

  - by onfire4JesusCollins

  Hello i am getting this error message : Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Source Error: Line 7: Line 8: Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Line 9: UserIdValue.Text = Membership.GetUser().ProviderUserKey.ToString() Line 10: cannotUploadImageMessage.Visible = False Line 11: End Sub can someone help me with this?

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• Merging XMLTextReaders in C#

  - by smithchelluk

  I have a website that needs to pull information from two diffferent XML data sources. Originally I only need to get the data from one source so I was building a URL in the backend that went and retrieved the data from the XML site and then parsed and rendered it in the front end of the website. Now I have to use a 2nd data source and merge the result sets (which are identically structured XML) into one result set. Here is the code I am currently using to get one XML feed. sUrl = sbUrl.ToString(); //The URL for the XML feed XmlDocument xDoc = new XmlDocument(); StringBuilder oBuilder = new StringBuilder(); //The parsed HTML output XmlTextReader oXmlReader = new XmlTextReader(sUrl); oXmlReader.Read(); xDoc.Load(oXmlReader); XmlNodeList List = xDoc.GetElementsByTagName("result"); foreach (XmlNode node in List) { XmlElement key = (XmlElement)node; //BUILD THE OUTPUT HERE } Thanks in advance for your help.

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• Background image for a label in a gridview

  - by Zerotoinfinite

  Hi Experts, I have a gridview, under a item template I have a table, one of the row of the table look like this <td bgcolor="White" colspan="2" style="width:100%; background-image:url(bubble1.gif);"> <asp:Panel ID="pnlHistory" runat="server" ScrollBars="Auto"> <asp:Label ID="lblHistory" runat="server" Text='<%# Server.HtmlDecode(Eval("History").ToString()) %>'></asp:Label> </asp:Panel> </td> </tr> I want to display bubble image as a background, on which my text [i.e. History (coming from database)] will be displayed. Please help, it's urgent. Thanks in advance.

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• Asp.net static object behaviour

  - by Circadian

  I have the following class as part of an asp.net application. public sealed class SomeClass { private static string appId = Guid.NewGuid().ToString(); public static ReadSomethingFromDb(){} public static WriteSomethingToDb(){} } There are more than one application instances in the same application pool, and they all access the same database. I want the operations performed by the above class to be uniquely tied to the instance that performed it, hence the use of the appId. So adding a record to the database would for example contain a name, address and appId. This has been simplified for discussion purposes. Assuming that I have two instances running at mysite.a and mysite.b the above class would generate two different guids. My problem is that mysite.a sometimes produces more than one guid, which is unexpected. Thank you in advance

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• Use of unassigned local variable

  - by Bob

  ... ... ... try { string Tags_collect; SqlDataReader Data1 = cmd.ExecuteReader(); Data1.Read(); lbl_q_title.Text = Data1["subject"].ToString(); Data1.NextResult(); while (Data1.Read()) { Tags_collect = Data1.GetString(0); Tags_collect= Tags_collect+ Tags_collect; } lbl_tags.Text = Tags_collect; ..... .... .... not sure why i get this error what do i miss?

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• simple question: Difficulty in declaring and using variable

  - by user281180

  What is wrong with the following code: I`m having the error message Error 1 ; expected <%if (Model.ReferenceFields != null) {%> <%int count = 1; %> <%foreach (var referenceName in Model.ReferenceFields) {%> <%var value = "value"; %> <%count++; %> <%value = value + count.ToString(); %> <tr> <td><input type="hidden" name="Tests.Index" value='<%value%>' /></td> <td><input type="text" name="Tests['<%value%>'].Value"/></td> <td><input type="button" value= "Add" /></td></tr> <%} %> <%} %>

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• stepping into a linq query

  - by MyNameIsJob

  Is it possible to step into a linq query? I have a linq to entity framework 4 query in it's simplest form: List = List.Where(f => f.Value.ToString().ToLowerInvariant().Contains(filter.ToLowerInvariant())); It's a query against an Entity Framework DbContext and I'm having trouble seeing why it works for something like: List searching for 001 yields no results against the following list Test001 Test002 Test003 Test004 However any other search yields results (Such as t00 or Test) I was hoping to figure out a way to see the resulting sql but it appears that I need Intellitrace, which I don't currently have or possibly stepping through the query itself and see each iteration build itself.

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• String comparison in Java

  - by Kliver Max

  I want to compare two strings using Java. First sting name i get from .mif file using GDAL in cp1251 encoding. Second kadname i get from jsp. To compare i do this: if (attrValue instanceof String) { String string3 = new String((attrValue.toString()).getBytes("ISO-8859-1"), "cp1251"); dbFeature.setAttribute(name, string3); System.out.println("Name=" + name); System.out.println("kadname=" + kadname); if (name.equalsIgnoreCase(kadname)) { kadnum = string3; System.out.println("string3" + string3); } } And in console i get this: Name = kadnumm kadname = kadnumm Whats wrong with this?

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• How to break closures in JavaScript

  - by Not a Name

  Is there any way to break a closure easily in JavaScript? The closest I have gotten is this: var src = 3; function foo () { return function () { return src; } } function bar (func) { var src = 9; return eval('('+func.toString()+')')(); // Line breaks closure } alert(bar(foo())); Which prints 9, instead of 3 as a closure would dictate. However, this approach seems kind of ugly to me, are there any better ways?

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• C# - can you name a matrix with the contents of a string

  - by RHodgett

  Basically I have x amount of matrices I need to establish of y by y size. I was hoping to name the matrices: matrixnumber1 matrixnumber2..matrixnumbern I cannot use an array as its matrices I have to form. Is it possible to use a string to name a string (or a matrix in this case)? Thank you in advance for any help on this! for (int i = 1; i <= numberofmatricesrequired; i++) { string number = Convert.ToString(i); Matrix (matrixnumber+number) = new Matrix(matrixsize, matrixsize); }

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• IEnumerable<SelectListItem> error question

  - by user281180

  I have the following code, but i`m having error of Error 6 foreach statement cannot operate on variables of type 'int' because 'int' does not contain a public definition for 'GetEnumerator' C:\Dev\DEV\Code\MvcUI\Models\MappingModel.cs 100 13 MvcUI How can I solve this? Note: string [] projectID; Class Employee { int id {get; set;} string Name {get;set;} } public IEnumerable<SelectListItem> GetStudents() { List<SelectListItem> result = new List<SelectListItem>(); foreach (var id in Convert.ToInt32(projectID)) { foreach( Employee emp in Project.Load(id)) result.Add(new SelectListItem { Selected = false, Text = emp.ID.ToString(), Value = emp.Name }); return result.AsEnumerable(); } }

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• why can not see my method if i implamented interface to normal class?

  - by Phsika

  i can not see MyLoad.TreeLoader(.... but why i can not see? i implemented iloader to TreeViewLoad. i should see TreeLoader why? namespace Rekursive { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { //treeView1.Nodes.Add("Test"); iloader MyLoad = new TreeViewLoad(); MyLoad.loader("test", treeView1, 1); // i can not see MyLoad.TreeLoader(.... but why i can not see? // i implemented iloader to TreeViewLoad. i should see TreeLoader why? //TreeViewLoad myloader = new TreeViewLoad(); } } interface iloader { void loader(string nodeName, TreeView myTre, int id); } class TreeViewLoad : iloader { public void TreeLoader(TreeView tre) { // i will call loader... } public void loader(string nodeName, TreeView myTre, int id) { myTre.Nodes.Add(nodeName + id.ToString()); if (id

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• Grid View selected index

  - by user2924573

  I have a grid which contains a edit button . When i click the edit button and debug it does not hit to the selected index change event . There are no build errors code behind the grid public void btnModemDetailsEdit_Click(object sender, EventArgs e) { isEdit = true; } protected void gridModemDetails_SelectedIndexChanged(object sender, EventArgs e) { int id = Convert.ToInt32(GridModemDetails.DataKeys[GridModemDetails.SelectedIndex].Values["gridModemDetails_SelectedIndexChanged"].ToString()); } <asp:GridView ID="GridModemDetails" runat="server" Width="435px" DataKeyNames="ModemId" AllowPaging="True" OnSelectedIndexChanged="gridModemDetails_SelectedIndexChanged" AutoGenerateColumns="False"> <Columns> <asp:TemplateField HeaderText="Edit" Visible="True" > <ItemTemplate> <asp:LinkButton ID="btnModemDetailsEdit" AccessibleHeaderText="Edit" ButtonType="Button" Text="Edit" HeaderText="Edit" runat="server" OnClick="btnModemDetailsEdit_Click" runat="server"/> </ItemTemplate> </asp:TemplateField>

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• Extracting xml data from string var in android

  - by ram

  Hi I have post some value using HttpPost and convert response into string using HttpEntity entity = response.getEntity(); String rrr=EntityUtils.toString(entity); rrr contain some xml tags <root> <mytag>its my tag</mytag> </root> Now I have to extract string "its my tag" I have try to do it with SAX Parser but it give out put null. Plz, help me in solving this problem.

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• Get a property value with only the object and the name of the property (but not the type)

  - by Vaccano

  Suppose I have a method that passes in the name of a property (as a string) and the object that the property is on (as object). How could I get the value of the property? Here is some code to make it a bit more concrete: protected override void Paint(Graphics g, Rectangle bounds, CurrencyManager source, int rowNum, Brush backBrush, Brush foreBrush, bool alignToRight) { // The next line is made up code var currentValue = source.Current.CoolMethodToTakePropertyNameAndReturnValue(MappingName); // Paint out the retrieved value g.DrawString(currentValue.ToString() , _gridFont, new SolidBrush(Color.Black), bounds.Left + 1, bounds.Top); } MappingName is the name of the property I want to get the value for. What I need is CoolMethodToTakePropertyNameAndReturnValue. Any ideas? I am running on the Compact Framework. I would also prefer to avoid reflection (but if that is my only recourse then so be it). Thanks for any help.

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• WebBrowserDocumentCompletedEventArgs Not Reached inside While Loop

  - by user3715962

  I am trying to use the WebBrowserDocumentCompletedEventHandler inside of a while loop but when the code executes the WebBrowserDocumentCompletedEventArgs is never reached. Can somebody tell me what I am doing wrong? int year = 1900; int currentYear = 2014; private void button1_Click(object sender, EventArgs e) { while (year < currentYear) { WebBrowser wb = new WebBrowser(); wb.Navigate("http://myurl.com/list/" + year.ToString()); year++; wb.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(wb_DocumentCompleted); } } void wb_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e) { //Code is not reaching here MessageBox.Show("Test"); }

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