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  • parse json news feed array android

    - by user1827260
    I have an json feed from bbc in this format { "name": "ticker", "entries": [ { "headline": "text", "prompt": "LATEST", "isBreaking": "false", "mediaType": "Standard", "url": "" }, { "headline": "text", "prompt": "LATEST", "isBreaking": "false", "mediaType": "Standard", "url": "" }, etc........... My code is as follows: ArrayList mylist = new ArrayList(); JSONObject json = JSONfunctions.getJSONfromURL("http:/......"); try{ JSONArray item = json.getJSONArray("entries"); for (int i = 0; i<item.length(); i++) { HashMap<String, String> map = new HashMap<String, String>(); JSONObject e = item.getJSONObject(i); JSONObject title = e.JSONObject("headline"); map.put("title", "Title:" + e.getString("headline"); } It gives me the error "java.lang.String cannot be converted to JSONObject" I also tried leaving out JSONObject title = e.JSONObject("headline"); and it gives me a path error (note

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  • how-to initialize 'const std::vector<T>' like a c array

    - by vscharf
    Is there an elegant way to create and initialize a const std::vector<const T> like const T a[] = { ... } to a fixed (and small) number of values? I need to call a function frequently which expects a vector<T>, but these values will never change in my case. In principle I thought of something like namespace { const std::vector<const T> v(??); } since v won't be used outside of this compilation unit.

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  • Programmatically adding event handler to array of radio buttons

    - by gSaenz
    Trying to add event handlers to radio buttons that are created on user input, looking at this and this as examples. However I get an error that answerOptions is not an event. Create the radio buttons Private answerOptions(n) As RadioButton ... Private Sub showQuestion(n As Integer) For i = 0 To answerOptions.Length - 1 answerOptions(i) = New RadioButton AddHandler answerOptions, AddressOf Me.Radios_Click With answerOptions(i) ' --------- SET TEXT, LOCATION ETC. End With Me.Controls.Add(answerOptions(i)) Next End Sub Planning on then handling events with Private Sub Radios_Click(sender As Object, e As EventArgs) Handles answerOptions.checked End Sub I want things to happen when the radios are checked. Don't want to use checkboxes as I want to limit one selection at a time.

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  • array of objects of a class

    - by anurag18294
    #include class test{ int a; char b; public: test() { cout<<"\n\nDefault constructor being called"; } test(int i,char j) { a=i; b=j; cout<<"\n\nConstructor with arguments called"; } }; int main() { test tarray[5]; test newobj(31,'z'); }; In the above code snippet can we intialize values to tarray[5].

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  • Changing the values of a class returned by the array [] operator

    - by devdept
    The question is: at the end of this code the value of ptArray[0].X is 3.33 or 1.11? Thanks. class MyPoint { public double X, Y; public MyPoint(double x, double y) { X = x; Y = y; } } MyPoint[] ptArray = new MyPoint[2]; ptArray[0] = new MyPoint(1.11, 2.22); MyPoint first = ptArray[0]; // Am I changing ptArray[0] here or not? first.X = 3.33; first.Y = 4.44;

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  • Deleting dynamic array of char in C++.

    - by anonymous
    I have this class, with the atribute 'word' class Node { char *word; Inside the Node constructor, I do this asignation: word = new char[strlen(someword)]; In the destructor of the Node class, I try to delete the contents pointed by word: delete []word; I obtain the next message after executing the programs: "Heap block at 003E4F48 modified at 003E4F51 past requested size of 1" What am I not doing well?

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  • C++ putting a 2d array of floats into a char*

    - by sam
    Hello, I'm trying to take a 2d vector of floats (input) and put them into a char* (output) in c++. void foo(const std::vector<std::vector<float> > &input, char* &output ) { char charBuf[sizeof(output)]; int counter = 0; for(unsigned int i=0; i<input.size(); i++) { for(unsigned int p=0; p<input.at(i).size(); p++) { //what the heck goes here } }

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  • C++ array of classes

    - by nickik
    I working on a game but I have a problem with the initialization of the level. (feld is just field in german) class level{ private: feld spielfeld[10][10]; public: /* other staff */ void init_feld(); }; void level::init_feld() { for(int i=0;i!=10;i++){ for(int n=0;n!=10;n++){ spielfeld[i][n] = new feld(land, i, n); } } } The Error: Error: no match for »operator=« in »((level*)this)-level::spielfeld[i][n] = (operator new(24u), (, ((feld*))))« /home/nick/stratego/feld.h:18:11: Remark: candidate is: feld& feld::operator=(const feld&) Process terminated with status 1 (0 minutes, 0 seconds) 2 errors, 0 warnings

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  • Adding an Element to an Array

    - by coffeeaddict
    Ok, I cannot get this. I've looked at it and I don't see why it's out of bounds. I get the error at paypalItems[paypalItems.Length] = new PaymentDetailsItemType PaymentDetailsItemType[] paypalItems = new PaymentDetailsItemType[order.OrderItems.Count]; for (int i = 0; i < order.OrderItems.Count; i++) { paypalItems[i] = new PaymentDetailsItemType { Name = order.OrderItems[i].Name, Amount = ApiUtility.CreateBasicAmount(order.OrderItems[i].Price), Description = order.OrderItems[i].Name, Number = order.OrderItems[i].Sku, }; } if (giftCardsTotal != 0) { // add Coupons & Discounts line item paypalItems[paypalItems.Length] = new PaymentDetailsItemType { Name = "Gift Cards", Amount = ApiUtility.CreateBasicAmount(giftCardsTotal), Description = "Gift Cards" }; }

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  • Problem with jQuery array

    - by user236106
    <html> <head> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js" type="text/javascript"></script> <script type="text/jscript"> $('document').ready(function (){ var clickNo=0; $('div#pics>img').hide() $('div#pics>input').click(function(event){ $('div#pics>img')[0].show('slow'); }) }); </script> </head> <body> <div id="pics"> <input type="button" value="next" /> <--a bunch of img tags .I had to resort to this comment because the system won't let me include the img tag in the code--> </div> </body> </html> I can't understand why the line $('div#pics>img')[0].show('slow'); is not working.

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  • array and point problem

    - by bezetek
    Here, I have a bad program. Its outputs confusing me, anyone can tell me why ? #include <stdio.h> #include <stdlib.h> int main() { int i = 0; char *a_result[10]; char *b_result[10]; for (i = 0; i < 10; i++) { char a_array[10]; char *b_array = malloc(10*sizeof(char)); int j = 0; for (j = 0; j < 9; j++) { a_array[j] = 'a' + i; b_array[j] = 'a' + i; } a_array[j] = '\0'; b_array[j] = '\0'; a_result[i] = a_array; b_result[i] = b_array; } for (i = 0; i < 10; i++) printf("a_result: %s b_result: %s\n",a_result[i],b_result[i]); return 0; } I think the a_result and b_result should be the same, but it is not. Here is the output on my computer. a_result: jjjjjjjjj b_result: aaaaaaaaa a_result: jjjjjjjjj b_result: bbbbbbbbb a_result: jjjjjjjjj b_result: ccccccccc a_result: jjjjjjjjj b_result: ddddddddd a_result: jjjjjjjjj b_result: eeeeeeeee a_result: jjjjjjjjj b_result: fffffffff a_result: jjjjjjjjj b_result: ggggggggg a_result: jjjjjjjjj b_result: hhhhhhhhh a_result: jjjjjjjjj b_result: iiiiiiiii a_result: jjjjjjjjj b_result: jjjjjjjjj any explanation about this is appreciate!

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  • select k th mimimum from array a[0..n-1]

    - by davit-datuashvili
    i have done folloing code from progrmming pearls here is code import java.util.*; public class select { public static int select1(int x[],int l,int u,int k){ //pre l<=k<=u //post x[l..k-1]<=x[k]<=x[k+1..u] Random r=new Random(); int t=r.nextInt(u-1-l)+l; if (l>=u) return -1 ; swap(l,t); int s=x[l]; int i=l; int j=u+1; while (true){ do { i++; }while (i<=u && x[i]<t); do { j--; }while (x[j]>t); if (i>j) break; int temp=x[i]; x[i]=x[j];x[j]=t; swap(l,j); if (j<k){ return select1(x,j+1,u,k); } } return select1(x,l,j-1,k); } public static void main(String[] args) { int x[]=new int[]{4,7,9,3,2,12,13,10,20}; select1(x,0,x.length-1,5); } public static void swap(int i,int j){ int c=i; i=j; j=c; } } but here is mistake Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: -1 at select.select1(select.java:21) at select.main(select.java:36) Java Result: 1 please help

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  • concatenation output problem (toString Array) - java

    - by dowln
    Hello, I am trying to display the output as "1(10) 2(23) 3(29)" but instead getting output as "1 2 3 (10)(23)(29)". I would be grateful if someone could have a look the code and possible help me. I don't want to use arraylist. the code this // int[] Groups = {10, 23, 29}; in the constructor public String toString() { String tempStringB = ""; String tempStringA = " "; String tempStringC = " "; for (int x = 1; x<=3; x+=1) { tempStringB = tempStringB + x + " "; } for(int i = 0; i < Group.length;i++) { tempStringA = tempStringA + "(" + Groups[i] + ")"; } tempStringC = tempStringB + tempStringA; return tempStringC; }

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  • Tigther code - javascript object array

    - by Scott Silvi
    Inside the callback of a $.getJSON call, I have the code outlined below. The first for block aggregates 'total' & assigns values to sov[i]. The map function calculates the percentage of total. I then instantiate a variable called sovData. With the jQuery Flot graph, any objects that are empty aren't added to the pie chart, so this works for up to 7 different slices/datasets. What I'd like to do is only initialize the ones I need (e.g. sovData would have up to 'howMany - 1' (kws.length -1 ) objects inside of it, likely via something similar to dashboards[i] & sov[i]. How would I do this? Code: var sov = [], howMany = kws.length, total = 0, i = 0; for ( i; i < howMany; i++) { total += sov[ i ] = +parseInt(data.sov['sov' + ( i+1 ) ],10) || 0; } var dashboards = data.dashboards; sov = $.map( sov, function(v) { var s = Math.round( ( (v / total) * 10e3 ) / 100); return s < 1 ? 1 : s; }); var sovData = [{ label : dashboards[0], data : sov[0] }, { label : dashboards[1], data : sov[1] }, { label : dashboards[2], data : sov[2] }, { label : dashboards[3], data : sov[3] }, { label : dashboards[4], data : sov[4] }, { label : dashboards[5], data : sov[5] }, { label : dashboards[6], data : sov[6] } ]

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  • getting duplicate array output - java

    - by dowln
    Hello, Can someone could be kind and help me out here. Thanks in advance... My code below outputs the string as duplicates. I don't want to use Sets or ArrayList. I am using java.util.Random. I am trying to write a code that checks if string has already been randomly outputted and if it does, then it won't display. Where I am going wrong and how do I fix this. public class Worldcountries { private static Random nums = new Random(); private static String[] countries = { "America", "Candada", "Chile", "Argentina" }; public static int Dice() { return (generator.nums.nextInt(6) + 1); } public String randomCounties() { String aTemp = " "; int numOfTimes = Dice(); int dup = 0; for(int i=0 ; i<numOfTimes; i++) { // I think it's in the if statement where I am going wrong. if (!countries[i].equals(countries[i])) { i = i + 1; } else { dup--; } // and maybe here aTemp = aTemp + countries[nums.nextInt(countries.length)]; aTemp = aTemp + ","; } return aTemp; } } So the output I am getting (randomly) is, "America, America, Chile" when it should be "America, Chile".

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  • any other way to find char array length?

    - by user2785137
    public static int getLenth(char[] t) { int i=0; int count=0; try { while(t[i]!='\0') { ++count; i++; } return count; } catch(ArrayIndexOutOfBoundsException aiobe) { return count; } } This method returns length of charArray. But my question is, is there is some other "ways" to find the length of charArray without using this try, catch statements & all ?? Thanks in advance :)

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  • Ruby: reduce duplication while initialize hash

    - by user612308
    array = [0, 0.3, 0.4, 0.2, 0.6] hash = { "key1" => array[0..2], "key2" => array[0..3], "key3" => array, "key4" => array, "key5" => array, "key6" => array, "key7" => array } Is there a way I can remove the duplication by doing something like hash = { "key1" => array[0..2], "key2" => array[0..3], %(key3, key4, key5, key6, key7).each {|ele| ele => array} }

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  • How to merge (and not replace) folders when copying, on mac?

    - by Cawas
    There's a similar question about windows. This is the same, but for mac. If I try to copy or move a folder to somewhere it already exists, it asks to replace it. That would result in deleting the target. Rather I want to merge. There's already a aquataskforce request about this, and it's a discussion going for a lont time if it's even something that should exist on Mac, due to its whole philosophy. Discussions at apple are outdated and didn't help much as well. As usual, there are professional solutions for doing this, such as Changes and Araxis. And there is the rsync or command line alternatives. But I want a free and simple solution, something like how it is done in Windows or Linux. I won't be doing it much anyway. By the way, PathFinder don't have such option as well and FolderMerge doesn't work on Snow Leopard as far as my 1 test went.

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