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  • C++ pointer to different array

    - by begun
    Assume I have an array a and an array b. Both have the same type and size but different values. Now I create 3 or so pointers that point to different elements in a, you could say a[ 0 ], a[ 4 ] and a[ 13 ]. Now if I overwrite a with b via a=b - Where will the pointers point? Do the pointers still point to their original positions in a but the values they point to are now those of b?

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  • check that int array contains !=0 value using lambda

    - by netmajor
    hey, I have two-dimension array List<List<int>> boardArray How can I enumerate throw this array to check that it contains other value than 0 ? I think about boardArray.Contains and ForEach ,cause it return bool value but I don't have too much experience with lambda expression :/ Please help :)

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  • C/C++ efficient bit array

    - by aaa
    hi. Can you recommend efficient/clean way to manipulate arbitrary length bit array? right now I am using regular int/char bitmask, but those are not very clean when array length is greater than datatype length. std vector<bool> is not available for me. thanks

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  • Three 1D Arrays to One 2D Array

    - by Steven
    I have a function which accepts a 2D array, but my data is in three 1D arrays. How do I create a 2D array consisting of the three arrays to pass to the subroutine? Dim Y0(32) As Double Dim Y1(32) As Double Dim Y2(32) As Double 'Code to fill arrays' 'Attempting to call:' Sub PlotYMult(YData(,) as Double)

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  • Matlab - building an array while looping

    - by Mark
    Hello, I have a for loop that loops over one array... for i=1:length(myArray) In this loop, I want to do check on the value of myArray and add it to another array myArray2 if it meets certain conditions. I looked through the Matlab docs, but couldn't find anything on creating arrays without declaring all their values on initialization or reading data into them in one shot. Many thanks!

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  • Write a foreach loop for this array.

    - by mjames
    Hi, I am using the xpath in php5 to parse a xml document. The problem I have is writing a foreach to correctly display the following array array(1) { [0]= object(SimpleXMLElement)#21 (2) { ["file"]= string(12) "value 1" ["folder"]= string(8) "value 2" } } Ideally i would like to get the value by using $row['file'] or $row['folder']. Thanks for any help.

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  • Loop through Javascript array, print with string.

    - by Adam
    I have a simple array like: var myArr=["one","two","three"]; an I have a counting loop, which increases the value of var "i" by one. What I want to do is print the next value from the array each time the loop runs, next to a text string, like so: alert('value number '+myArr[i]+); But for some reason I can't get this to work. The following code works, so I'm assuming I'm not calling the counter right: alert('value number '+myArr[0]+);

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  • [C#] Get Index of Control in an Control-Array

    - by Cocaine112358
    I have a TextBox Array private TextBox[,] Fields = new TextBox[9, 9]; and all the TextBoxes have got the same TextChanged-Event void Field_Changed( object sender, EventArgs e ) Is there a way to get the Index of the sender in the Array (without giving each TextBox it's own EventHandler)?

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  • php array key issue

    - by Fearghal
    Hi guys.. ok so i have the following array: 0 - 208533 1 - 208523 2 - 208522 3 - 208572 4 - 208518 5 - 208501 6 - 208534 7 - 208499 All i need is a quick function that'll start the array key at 1 rather than 0. eg: 1 - 208533 etc Any ideas? Thanks!

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  • Loop through array, print with string.

    - by Adam
    I have a simple array like: var myArr=["one","two","three"]; an I have a counting loop, which increases the value of var i by one. What I want to do is print the next value from the array each time the loop runs, next to a text string, like so: alert('value number '+myArr[i]+); But for some reason I can't get this to work. The following code works, so I'm assuming I'm not calling the counter right: alert('value number '+myArr[0]+);

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  • Adding to an Array

    - by j-t-s
    Hi All I have an array: String[] ay = { "blah", "blah number 2" "etc" }; ... But now I want to add to this array at a later time, but I see no option to do so. How can this be done? I keep getting a message saying that the String cannot be converted to String[]. Thank you

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  • How to style the each cell of Flex DataGrid..

    - by Santosh
    I have a Flex DataGrid, which has some columns, i had put a item renderer, which makes all the elements in that column hyperlinked, i have a requirement, where i need to see the type of user, based on that i have to either enable or disable the hyper link. Is there any good way , where i can get the style properties at the cell level...? Thanks ...in advance..., i searched , but of not much help..!!

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  • iPhone: How to write plist array of dictionary object

    - by Alessandro
    Hello, I'm a young Italian developer for the iPhone. I have a plist file (named "Frase") with this structure: Root Array - Item 0 Dictionary Frase String Preferito Bool - Item 1 Dictionary Frase String Preferito Bool - Item 2 Dictionary Frase String Preferito Bool - Item 3 Dictionary Frase String Preferito Bool exc. An array that contains many elements dictionary, all the same, consisting of "Frase" (string) and "Preferito" (BOOL). The variable "indirizzo", increase or decrease the click of the button Next or Back. The application interface: http://img691.imageshack.us/img691/357/schermata20100418a20331.png When I click on AddPreferito button, the item "Preferito" must be YES. Subsequently, the array must be updated with the new dictionary.The code: (void)addpreferito:(id)sender { NSString *plistPath = [[NSBundle mainBundle] pathForResource:@"Frase" ofType:@"plist"]; MSMutableArray *frase = [[NSMutableArray alloc] initWithContentsOfFile:plistPath]; NSMutableDictionary *dictionary = [frase objectAtIndex:indirizzo]; [dictionary setValue: YES forKey:@"Preferito"]; [frase replaceObjectAtIndex:indirizzo withObject:dictionary]; [frase writeToFile:plistPath atomically:YES]; } Why not work? Thanks Thanks Thanks!

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  • Gomoku array-based AI-algorithm?

    - by Lasse V. Karlsen
    Way way back (think 20+ years) I encountered a Gomoku game source code in a magazine that I typed in for my computer and had a lot of fun with. The game was difficult to win against, but the core algorithm for the computer AI was really simply and didn't account for a lot of code. I wonder if anyone knows this algorithm and has some links to some source or theory about it. The things I remember was that it basically allocated an array that covered the entire board. Then, whenever I, or it, placed a piece, it would add a number of weights to all locations on the board that the piece would possibly impact. For instance (note that the weights are definitely wrong as I don't remember those): 1 1 1 2 2 2 3 3 3 444 1234X4321 3 3 3 2 2 2 1 1 1 Then it simply scanned the array for an open location with the lowest or highest value. Things I'm fuzzy on: Perhaps it had two arrays, one for me and one for itself and there was a min/max weighting? There might've been more to the algorithm, but at its core it was basically an array and weighted numbers Does this ring a bell with anyone at all? Anyone got anything that would help?

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  • Traverse 2D Array (Matrix) Diagonally

    - by jonobr1
    So I found this thread that was extremely helpful in traversing an array diagonally. I'm stuck though on mirroring it. For example: var m = 3; var n = 4; var a = new Array(); var b = 0; for(var i = 0; i < m; i++) { a[i] = new Array(n); for(var j = 0; j < n; j++) { a[i][j] = b; b++; } } for (var i = 0; i < m + n - 1; i++) { var z1 = (i < n) ? 0 : i - n + 1; var z2 = (i < m) ? 0 : i - m + 1; for (var j = i - z2; j >= z1; j--) { console.log(a[j][i - j]); } } Console reads [[0],[4,1],[8,5,2],[9,6,3],[10,7],[11]] I'd like it to read [[8],[4,9],[0,5,10],[1,6,11],[2,7],[3]] Been stumped for awhile, it's like a rubik's cube _<

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  • yui datatable inline cell editor problem

    - by Eli
    Hi, When using inline cell editor in my datatable I want to round value to 10 multiple This is my code : mydatatable.subscribe("cellDblclickEvent",datatable_DetailsCommande.onEventShowCellEditor); var onCellEdit = function(oArgs) { var oColumn=oArgs.editor.getColumn(); var column=oColumn.getKey(); var oRecord = oArgs.editor.getRecord(); var newValue=oRecord.getData(column); var row = this.getRecord(oArgs.target); // calculate the modulo n = newValue % 10; if(n!=0) { newValue=parseInt(newValue); oRecord.setData(column,eval(newValue+(10-n))); } } mydatatable.subscribe("editorSaveEvent", onCellEdit); Function result : After double clicking in cell I change value to 17 for example and I click save, I want then to have 20 in my datatable cell but I got 17. After second time double clicking in my datatable cell I obtain 20 in the inline cell editor. How to put the rounded value in my datatable cell? regards,

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  • Variable number of two-dimensional arrays into one big array

    - by qlb
    I have a variable number of two-dimensional arrays. The first dimension is variable, the second dimension is constant. i.e.: Object[][] array0 = { {"tim", "sanchez", 34, 175.5, "bla", "blub", "[email protected]"}, {"alice", "smith", 42, 160.0, "la", "bub", "[email protected]"}, ... }; Object[][] array1 = { {"john", "sdfs", 34, 15.5, "a", "bl", "[email protected]"}, {"joe", "smith", 42, 16.0, "a", "bub", "[email protected]"}, ... }; ... Object[][] arrayi = ... I'm generating these arrays with a for-loop: for (int i = 0; i < filter.length; i++) { MyClass c = new MyClass(filter[i]); //data = c.getData(); } Where "filter" is another array which is filled with information that tells "MyClass" how to fill the arrays. "getData()" gives back one of the i number of arrays. Now I just need to have everything in one big two dimensional array. i.e.: Object[][] arrayComplete = { {"tim", "sanchez", 34, 175.5, "bla", "blub", "[email protected]"}, {"alice", "smith", 42, 160.0, "la", "bub", "[email protected]"}, ... {"john", "sdfs", 34, 15.5, "a", "bl", "[email protected]"}, {"joe", "smith", 42, 16.0, "a", "bub", "[email protected]"}, ... ... }; In the end, I need a 2D array to feed my Swing TableModel. Any idea on how to accomplish this? It's blowing my mind right now.

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  • weird result with c# winForms array of Lists

    - by jello
    so I'm trying to store values in an array of Lists in C# winForms. In the for loop in which I make the sql statment, everything works fine: the message box outputs a different medication name each time. for (int i = 0; i < numberOfMeds; i++) { queryStr = "select * from biological where medication_name = '" + med_names[i] + "' and patient_id = " + patientID.patient_id; using (var conn = new SqlConnection(connStr)) using (var cmd = new SqlCommand(queryStr, conn)) { conn.Open(); using (SqlDataReader rdr = cmd.ExecuteReader()) { while (rdr.Read()) { medObject.medication_date = (DateTime)rdr["patient_history_date_bio"]; medObject.medication_name = rdr["medication_name"].ToString(); medObject.medication_dose = Convert.ToInt32(rdr["medication_dose"]); medsList[i].Add(medObject); } } conn.Close(); MedicationTimelineClass medObjectx = medsList[i][0] as MedicationTimelineClass; MessageBox.Show(medObjectx.medication_name); } } but then, when I take the message box code out of the loop, meaning that the array of Lists is supposed to be populated, I always get the same value: the last value entered. the same medication name, no matter what number I put between those brackets. It's like if the whole array of Lists is populated with the same data. for (int i = 0; i < numberOfMeds; i++) { queryStr = "select * from biological where medication_name = '" + med_names[i] + "' and patient_id = " + patientID.patient_id; using (var conn = new SqlConnection(connStr)) using (var cmd = new SqlCommand(queryStr, conn)) { conn.Open(); using (SqlDataReader rdr = cmd.ExecuteReader()) { while (rdr.Read()) { medObject.medication_date = (DateTime)rdr["patient_history_date_bio"]; medObject.medication_name = rdr["medication_name"].ToString(); medObject.medication_dose = Convert.ToInt32(rdr["medication_dose"]); medsList[i].Add(medObject); } } conn.Close(); } } MedicationTimelineClass medObjectx = medsList[0][0] as MedicationTimelineClass; MessageBox.Show(medObjectx.medication_name); what's going on here?

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  • Trouble with C# array

    - by Biosci3c
    Hi, I am writing a card playing program as a way of learning C#. I ran into an issue with an array going out of bounds. Here is my code: namespace Pcardconsole { class Deck { public Deck() { // Assign standard deck to new deck object int j; for (int i = 0; i != CurrentDeck.Length; i++) { CurrentDeck[i] = originalCards[i]; } // Fisher-Yates Shuffling Algorithim Random rnd = new Random(); for (int k = CurrentDeck.Length - 1; k >= 0; k++) { int r = rnd.Next(0, k + 1); int tmp = CurrentDeck[k]; CurrentDeck[k] = CurrentDeck[r]; CurrentDeck[r] = tmp; // Console.WriteLine(i); } } public void Shuffle() { // TODO } // public int[] ReturnCards() // { // TODO // } public int[] originalCards = new int[54] { 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x50, 0x51 }; public int[] CurrentDeck = new int[54]; } class Program { static void Main(string[] args) { // Create a Deck object Deck mainDeck = new Deck(); Console.WriteLine("Here is the card array:"); for (int index = 0; index != mainDeck.CurrentDeck.Length; index++) { string card = mainDeck.CurrentDeck[index].ToString("x"); Console.WriteLine("0x" + card); } } } The hexidecimal numbers stand for different cards. When I compile it I get an array index out of bounds error, and a crash. I don't understand what is wrong. Any help would be much appreciated.

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  • PHP: Array of objects is empty when I come to retrieve one from the array

    - by Tom
    Good morning, I am trying to load rows from a database and then create objects from them and add these objects to a private array. Here are my classes: <?php include("databaseconnect.php"); class stationItem { private $code = ''; private $description = ''; public function setCode($code ){ $this->code = $code; } public function getCode(){ return $this->code; } public function setDescription($description){ $this->description = $description; } public function getDescription(){ return $this->description; } } class stationList { private $stationListing; function __construct() { connect(); $stationListing = array(); $result = mysql_query('SELECT * FROM stations'); while ($row = mysql_fetch_assoc($result)) { $station = new stationItem(); $station->setCode($row['code']); $station->setDescription($row['description']); array_push($stationListing, $station); } mysql_free_result($result); } public function getStation($index){ return $stationListing[$index]; } } ?> As you can see I am creating a stationItem object per database row (which for now has a code and description) and I then push these on to the end of my array which is held as a private variable in stationList. This is code which creates this classes and attempts to access the properties on them: $stations = new stationList(); $station = $stations->getStation(0); echo $station->getCode(); I am finding that the sizeof($stationList) at the end of the constructor is 1 but then it is zero when we come to try to get an object from the array using the index. Therefore the error that I get is: Fatal error: Call to a member function getCode() on a non-object Please can someone explain to me why this is happening? I guess I am misunderstanding how object references work in PHP5.

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  • Return an Oracle Associative Array from a function

    - by Paul Johnson
    Does anybody know if it is possible to return an associative array as the result of an Oracle function, if so do you have any examples? I have an Oracle package which contains an associative array declaration as defined below: TYPE EVENTPARAM IS TABLE OF NUMBER INDEX BY BINARY_INTEGER; This is then used in a stored procedure outside the package as follows: v_CompParams areva_interface.eventparam; The intention is to store an associative array of strings in the variable v_CompParams, returned from a Parse function in another package. The definition for which is as follows: PACKAGE STRING_MANIP IS TYPE a_array IS TABLE OF NUMBER INDEX BY BINARY_INTEGER; FUNCTION Parse (v_string VARCHAR2, v_delim VARCHAR2) RETURN a_array; FUNCTION RowCount(colln IN a_array) RETURN NUMBER; END; The code which implements this is: v_CompParams := STRING_MANIP.PARSE(v_CompID,v_Delim); Unfortunately it doesn't work, I get the error 'PLS-00382: expression is of wrong type'. I foolishly assumed, that since a_array derives from the same source Oracle type as the variable v_CompParams, that there would be no problem casting between them. Any help much appreciated. Kind Regards Paul J.

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  • Refering to a Cell in a Different Workbook

    - by Anna
    I work between different spreadsheets, and I like to have one main workbook that links to certain cells in other workbooks. For example, I will do a statement of business activities workbook that has all the business expenses listed, and then I will have individual workbooks for each expense account. In the old excel, I would just put =(and then go to the workbook that i wanted, and then select the cell i wanted and then hit enter) and it would put the amount from that specific cell in my statement of business activities. When I try to do that in excel 2010, I put the equals sign in the cell, and then go to the other workbook and find the cell I want, and when I hit enter, it just moves down a line and nothing happens in the other workbook. How can I get this to work again, what do i need to do??

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