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• How to find all clusters of forest on map?

  - by Damir

  How to find all clusters of forest on map ? I have simple class cell like (Type is enum {RIVER, FOREST,GRASS,HILL} class Cell{ public: Type type; int x; int y }; and map like vector<Cell> grid. Can anyone suggest me algorithm to create list<list<Cell>> clusters where list contains FOREST cells in same cluster (cluster are set of connected cells - connection can be in eight direction:up,down,left,right,up_right,up_left,down_left,down_right)? I need to find all clusters of forest on map and put every single cluster in list<Cell>.

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• Types in Bytecode

  - by HH

  Hey everyone, I've been working for some time on (Java) Bytecode, however, it had never occurred to me to ask why are some instructions typed? I understand that in an ADD operation, we need to distinguish between an integer addition and a FP addition (that's why we have IADD and FADD). However, why do we need to distinguish between ISTORE and FSTORE? They both involve the exact same operation, which is moving 32 bits from the stack to a local variable position? The only answer I can think of is for type-safety, to prevent this: (ILOAD, ILOAD, FADD). However, I believe that type-safety is already enforced at the Java language level. OK, the Class file format is not directly coupled with Java, so is this a way to enforce type-safety for languages that do not support it? Any thought? Thank you.

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• Finding controls inside nested master pages

  - by evanmortland

  I have a master page which is nested 2 levels. It has a master page, and that master page has a master page. When I stick controls in a ContentPlaceHolder with the name "bcr" - I have to find the controls like so: Label lblName =(Label)Master.Master.FindControl("bcr").FindControl("bcr").FindControl("Conditional1").FindControl("ctl03").FindControl("lblName"); Am I totally lost? Or is this how it needs to be done? I am about to work with a MultiView, which is inside of a conditional content control. So if I want to change the view I have to get a reference to that control right? Getting that reference is going to be even nastier! Is there a better way? Thanks

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• Why Date Format in ASP NET MVC Differs when used inside Html Helper?

  - by Marcio Gabe

  Hi, I just came across a very interesting issue. If I use ViewData to pass a DateTime value to the view and then display it inside a textbox, even though I'm using String.Format in the exact same manner, I get different formatting results when using the Html.TextBox helper. <%= Html.TextBox("datefilter", String.Format("{0:d}", ViewData["datefilter"]))%> <input id="test" name="test" type="text" value="<%: String.Format("{0:d}", ViewData["datefilter"]) %>" /> The above code renders the following html: <input id="datefilter" name="datefilter" type="text" value="2010-06-18" /> <input id="test" name="test" type="text" value="18/06/2010" /> Notice how the fist line that uses the Html helper produces the date format in one way while the second one produces a very different output. Any ideas why? Note: I'm currently in Brazil, so the standard short date format here is dd/MM/yyyy.

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• How to specify execution time of x86 and PowerPC instructions?

  - by Goofy

  Hello! I have to approximate execution time of PowerPC and x86 assembler code.I understand that I cannot compute exact it dependson many problems (current processor state - x86 processor dicides internal instructions in microinstructions, memory access time obtainig code from cache of from slower memory etc.). I found some information in Intel Optimizaction reference (APPENDIX C), but it does not provide information about all general purpose instructions. Is there any complete reference about it? What about PowerPC processors? Where can I fund such information?

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• Mount samba filesystem into RHEL 5.5

  - by Oscar Reyes

  How can I mount windows share file system into RHEL? I'm not a sysadmin, but I got this task assigned :( I've tried this solution mount -t smbfs -o username=samba,password=samba //Desktop/Public /mnt/public But the output is: mount: unknown filesystem type 'smbfs' How can I mount a windows share into RHEL 5? FWIW I've successfully created a link with the menu: Places>Connect to Server>Service Type:Windows Share Which creates a link in the desktop, but I would need to programatically save files in that machine, hence I need it mounted as filesystem. Thanks in advance

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• How to use jquery ajax to set the content of a div, then call JS from that div

  - by devzero

  I'm using JQuery to load the content of an mvc usercontroll: function menuShowModal(a) { $.ajax( { url: a.href, success: function (result) { $('#modalDialog').dialog('close'); var $dialog = $('<div id=\'modalDialog\'></div>') .html(result) .dialog({ autoOpen: true, title: 'Basic Dialog', modal: true }); }, cache: false, type: 'get' }); return false; } The returned HTML looks like this: <input type="text" id="navnet" value="test" /> <script type="text/javascript"> $(document).ready( function () { alert($("#navnet").val()); } ) </script> The problem is that the alert returns "undefined" and not "test" as it should, in other words the JS is executed before the html is inserted, how do I work around this?

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• Why the following upload if condition does not work?

  - by Ole Media

  So I have an upload script, and I want to check the file type that is being uploaded. I only want pdf, doc, docx and text files So I have: $goodExtensions = array('.doc','.docx','.txt','.pdf', '.PDF'); $name = $_FILES['uploadFile']['name']; $extension = substr($name, strpos($name,'.'), strlen($name)-1); if(!in_array($extension,$goodExtensions) || (($_FILES['uploadFile']['type'] != "applicatioin/msword") || ($_FILES['uploadFile']['type'] != "application/pdf"))){ $error['uploadFile'] = "File not allowed. Only .doc, .docx, .txt and pdf"; } Why I'm getting the error when testing and including correct documents?

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• ObjectDataSource Insert and Update methods error

  - by Jack

  I m developing asp.net 3.5 project. When I want to Insert with DetailsView this error occured: Error : ObjectDataSource 'ObjectDataSource2' could not find a non-generic method 'AddCity' that has parameters: CITY_NAME. <asp:ObjectDataSource ID="ObjectDataSource2" runat="server" SelectMethod="GetCityByID" UpdateMethod="UpdateCity" InsertMethod="AddCity" TypeName="NOP_CRM.Lib.nop_cities" OldValuesParameterFormatString="original_{0}"> <SelectParameters> <asp:ControlParameter ControlID="GridView1" Name="cityid" PropertyName="SelectedValue" Type="Int32" DefaultValue="1" /> </SelectParameters> <UpdateParameters> <asp:Parameter Name="CITY_NAME" Type="String" /> </UpdateParameters> <InsertParameters> <asp:Parameter Name="CITY_NAME" Type="String" /> </InsertParameters> </asp:ObjectDataSource> ... public int AddCity(string cityname) { CITY_NAME = cityname; Insert(); return _CITY_ID; }

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• control + enter in browser takes only .com?

  - by Abhilash M

  I have this strange problem, how exactly does control + enter decides the domain of a website?? If i type stackoverflow,then hit control+enter, it works and takes to homepage, but i type ubuntuforums, then hit control + enter, it does not recognise its ubuntuforums.org, but goes to ubuntuforums.com?? How does this exactly work? If i need to change this behaviour, how should i do it?

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• Replacing SUMIFS in Excel 2003

  - by yc

  So, I need to find an Excel 2003 substitute for =SUMIFS, which is only 2007+ (apparently). The formula is used to generate this summary data table, from a list of revenue, where each revenue line has the field type (static, email or outreach) and the field fund (ABC, QRS and XYZ). type fund total count average static ABC $12,390.88 171 $72.46 email ABC $6,051.32 65 $93.10 outreach ABC $8,835.00 138 $64.02 static QRS $12,925.44 79 $163.61 email QRS $9,305.44 99 $93.99 outreach QRS $1,799.00 49 $36.71 static XYZ $4,912.20 36 $136.45 email XYZ $75.00 2 $37.50 outreach XYZ $0.00 0 #DIV/0! This is the formula `=SUMIFS('revenue'!G:G,'revenue'!AH:AH,Sheet2!A2,'revenue'!AI:AI,Sheet2!B2)` Where G is a dollar amount, and AH and AI are matching the type or fund column. How do i get this to work in Excel 2003?

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• can a function return more than one value?

  - by ashish yadav

  can a function return more than one value? Edit Except return by reference.

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• How do you move html from one div to another with Jquery without breaking javascript

  - by KallDrexx

  I have two divs for different sections of my webpage, a working and a reference section. One is fixed size, the other is variable sized and they are vertically stacked. I am trying to design it so that if you want to work on something in the reference pane, you click a link and it swaps all the data between the two panes. My idea was to do the following: var working = $("#working_pane").html(); var ref = $("#reference_pane").html(); $("#working_pane").html(ref); $("#reference_pane").html(working); The problem with this, is it seems that any javascript referenced inside of these panes (for example, in place editors) get broken upon switching. No javascript errors occur, it's just that nothing happens, like the javascript ties are broken. Is there any to move the html without breaking the javascript contained?

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• Dynamic generated file upload control<using javascript> doesn't post?

  - by udaya

  Hai I am having a form which contains a filetype like this on submit i am calling a script function addRowToTable() { var tbl = document.getElementById('uploadTab'); var lastrow = tbl.rows.length; var iteration = lastrow; var row = tbl.insertRow(lastrow); var cell2 = row.insertCell(0); var e2 = document.createElement('input'); e2.type = 'file'; e2.name = 'ufile[]'; e2.id = 'ufile[]'; e2.size='50'; cell2.appendChild(e2); } This script generates The tr on a button click... In my view generatedsource tool i get the "" like this <tr><td><input size="50" id="ufile[]" name="ufile[]" type="file"></td></tr> when i submit the form i dont get the file name for the generated file type in my view page But i get the file name foe the one that is default What may be the problem?

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• How to return radio checked object with jQuery ?

  - by Kim

  HTML <input type="radio" name="rdName" id="uniqueID1" value="1" checked="checked"> <input type="radio" name="rdName" id="uniqueID2" value="2"> <input type="radio" name="rdName" id="uniqueID3" value="3"> jQuery #1 $('input:radio[name=rdName]:checked').val(); jQuery #2 $('input[name=rdName]:checked'); jQuery #1 gets the value of checked radio, but I need to get the whole object to get the ID. jQuery #2 get this (from Chrome Dev console). Object "0" is the actual object I need, but I am unable to just that. 0: HTMLInputElement constructor: function Object() context: HTMLDocument length: 1 prevObject: Object selector: input[name=rdName]:checked __proto__: Object Any ideas how to isolate the needed object ?

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• Generic unboxing of boxed value types

  - by slurmomatic

  I have a generic function that is constrained to struct. My inputs are boxed ("objects"). Is it possible to unbox the value at runtime to avoid having to check for each possible type and do the casts manually? See the above example: public struct MyStruct { public int Value; } public void Foo<T>(T test) where T : struct { // do stuff } public void TestFunc() { object o = new MyStruct() { Value = 100 }; // o is always a value type Foo(o); } In the example, I know that o must be a struct (however, it does not need to be MyStruct ...). Is there a way to call Foo without tons of boilerplate code to check for every possible struct type? Thank you.

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• Create a Sin wave line with Processing

  - by Nintari

  Hey everybody, first post here, and probably an easy one. I've got the code from Processing's reference site: float a = 0.0; float inc = TWO_PI/25.0; for(int i=0; i<100; i=i+4) { line(i, 50, i, 50+sin(a)*40.0); a = a + inc; } http://processing.org/reference/sin_.html However, what I need is a line that follows the curve of a Sin wave, not lines representing points along the curve and ending at the 0 axis. So basically I need to draw an "S" shape with a sin wave equation. Can someone run me through how to do this? Thank you in advance, -Askee

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• App-Engine (Java) File Upload

  - by Manjoor

  I managged to upload files on app-engine by using the following example http://stackoverflow.com/questions/1513603/how-to-upload-and-store-an-image-with-google-app-engine-java and http://www.mail-archive.com/[email protected]/msg08090.html The problem is, I am sumitting other fields along with file field as listed below <form action="index.jsp" method="post" enctype="multipart/form-data"> <input name="name" type="text" value=""> <br/> <input name="imageField" type="file" size="30"> <br/> <input name="Submit" type="submit" value="Sumbit"> </form> In my servlet I am getting null when querying name = request.getParameter("name"); Why it is so? Is there a way to retrieve text field value?

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• How can the Kindle be used as a source code reading tool?

  - by Homer6

  I'm a programmer. I want to be a better programmer. I want to read more source code written by other people (especially open source projects). Also, I'd like to be able to have a on-hand searchable reference to all of that source code so that I can pull up reference to structures and snippets. Does anyone know of a way to use the Kindle for this? Has anyone tried? What were your findings? Additionally, does anyone know of a website that indexes all open source source code?

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• DbMetal chokes on repeated foreign key references in SQLite - any ideas?

  - by DanM

  I've been struggling to get DbMetal to process my SQLite database. I finally isolated the problem. It won't allow a table to have two foreign key references to the same column. For example, a SQLite database with these two tables will fail: CREATE TABLE Person ( Id INTEGER PRIMARY KEY, Name TEXT NOT NULL ); CREATE TABLE Match ( Id INTEGER PRIMARY KEY, WinnerPersonId INTEGER NOT NULL REFERENCES Person(Id), LoserPersonId INTEGER NOT NULL REFERENCES Person(Id) ); I get this error: DbMetal: Sequence contains more than one matching element If I get rid of the second foreign key reference, no error occurs. So, this works: CREATE TABLE Match ( Id INTEGER PRIMARY KEY, WinnerPersonId INTEGER NOT NULL REFERENCES Person(Id), LoserPersonId INTEGER NOT NULL ); But I really need both "person" columns to reference the person table. I submitted a bug report for this, but I could use a workaround in the meantime. Any ideas?

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• jquery autocomplete on button click get hidden value

  - by gabriel

  using jquery autocomplete, we get hidden value by calling .result function like this $("#suggest").result(function(event, data, formatted) { $('#hidden').val(data[1]); }); This is only useful when we selected the option from autosuggest list and press enter. What i need is that i enter the option by typing the complete word without selecting it and clicking on Ok button? but i am always getting empty. <input type="text" id="suggest" /> <input type="button" value="Ok" onclick="GetValue()" /> <input type="hidden" id="hidden"/> function GetValue() { //get hidden field value - getting empty var hid=document.getElementById('hidden').value; }

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• Is it possible to change WCF service without regenerating & recompiling client proxy?

  - by Buu Nguyen

  Let's say I have a WCF service which has a method returning object Person. In one of the clients of this service, I can add service reference to the service and start using its method. Now, let's say the Person class is changed on the server, having a new DataMember added. Other clients will make use of this new DataMember, but my client doesn't. Therefore, this client shouldn't even be aware that the service returns s/t "more" than what it needs. Is there any way that my client can still work with the service without having to update the service reference (which, as I understand, means regenerating the proxy & compiling it)?

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• I Clean Solution'd my Winform App and now it's broken...

  - by Refracted Paladin

  I have a Winform App that uses a 3rd Party Library of Controls, DevExpress. I also created a bunch of Controls myself, extending those controls. Everything has been working fine when all of a sudden I opened VS today and on the Design Page all my extended controls were missing. I then tried rebuilding to no avail. Then I tried Cleaning and Rebuilding and made it even worse. Now I have tons(520) of erros stating things like -- Error 179 The name 'datBirthDate' does not exist in the current context D:\Documents\Visual Studio 2008\Projects\MatrixReloaded\MatrixReloaded\Controls\Member\ucGeneral.cs 339 17 MatrixReloaded also if I try to open a form or user control in Design Mode I first get this -- could not find type, "MyType" please make sure that the assembly that contains this type is referenced and then, if I click Ignore and Continue I get this for all Forms and Contros when I try and look at them in Design Mode -- Exception of type System.OutOfMemoryException was thrown Help!?!? When I googled I came across mostly references to VS 2003...I am on 2008 sp1.

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• JTextField that has inner fields or preformated format, something like the ip field in windows

  - by dimitar

  Hello guys, i want to create a text field that will be for date and will have dd.mm.YYYY format. Now what i want to do is the user to type only the numbers, not the dots to. So the field would be like: _ _. _ _ . _ _ _ _ So when the user wants to type the date: 15.05.2010 for example, he will only type the numbers in the sequence 15052010. Also i would like, when he preses on left or right arrow, the cursor to go from one field(not JTextField, but field in the JTextField). So lets say i have JTextField with text in it: 15.05.2010, so if user is on the beginning and he preses right arrow, the cursor to go to the .05 field. I hope you understand me 'cos right now i don't any idea how to make this, or at least how to look for it on google. Thank you.

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• jquery form validation

  - by kalpaitch

  I am using jquery for a quick and easy form validation My forms use the input's default value as a label and I have a little onfocus and onblur javascript function to show and hide this when the user starts to type: <input name='fnameREG' type='text' id='fnameREG' value='first name' size='70' onfocus='clearInput(this)' onblur='clearInput(this)' /> <input name='lnameREG' type='text' id='lnameREG' value='last name' size='70' onfocus='clearInput(this)' onblur='clearInput(this)' /> My issue with the validation is that when the submit button is clicked the pluggin thinks that all the fields are set because they have a default value. I looked but I couldn't find a supplied method to get round this. Thanks!

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