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• Mathematical problem

  - by coolboycsaba

  I have the following function: function getLevel(points) { var level = -1 + Math.sqrt(4 + points/20); // Round down to nearest level return Math.floor(level); } The above function calculates the level of a player based on their points, my problem is that I need a function like this to calculate the points needed for a given level.

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• initializer element is not constant error.

  - by jeeva

  i am declaring cg-point or rect as const it giving above error any one help this,, #import "newViewController.h" #import "first.h" const CGPoint point=CGPointMake(50,50);

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• How to Generate XSL code automatically ?

  - by B. Kumar

  Hello Everyone, I have UI which provide the facility to create own format by using drag and drop utility. I have also xml file which contains the data. Now task is how to automatically generate the .xsl file of the dynamically designed format for the data stored in xml form. If you have any idea about the solution of the above problem. I will thankful for any help regarding this… Thanks B. Kumar

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• Generic linked list in c++

  - by itsaboy

  I have been struggling for too long a time now with a rather simple question about how to create a generic linked list in c++. The list should be able contain several types of structs, but each list will only contain one type of struct. The problem arises when I want to implement the getNode() function [see below], because then I have to specify which of the structs it should return. I have tried to substitute the structs with classes, where the getNode function returns a base class that is inherited by all the other classes, but it still does not do the trick, since the compiler does not allow the getNode function to return anything but the base class then. So here is some code snippet: typedef struct struct1 { int param1; (...) } struct1; typedef struct struct2 { double param1; (...) } struct2; typedef struct node { struct1 data; node* link; } node; class LinkedList { public: node *first; int nbrOfNodes; LinkedList(); void addNode(struct1); struct1 getNode(); bool isEmpty(); }; LinkedList::LinkedList() { first = NULL; nbrOfNodes = 0; } void LinkedList::addNode(struct1 newData) { if (nbrOfNodes == 0) { first = new node; first->data = newData; } else { node *it = first; for (int i = 0; i < nbrOfNodes; i++) { it = it->link; } node *newNode = new node; newNode->data = newData; it->link = newNode; } nbrOfNodes++; } bool LinkedList::isEmpty() { return !nbrOfNodes; } struct1 LinkedList::getNode() { param1 returnData = first->data; node* deleteNode = first; nbrOfNodes--; if (nbrOfNodes) first = deleteNode->link; delete deleteNode; return returnData; } So the question, put in one sentence, is as follows: How do I adjust the above linked list class so that it can also be used for struct2, without having to create a new almost identical list class for struct2 objects? As I said above, each instance of LinkedList will only deal with either struct1 or struct2. Grateful for hints or help

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• Dos SET command advanced /A features resource

  - by user66001

  Have done quite a bit of searching for a guide (of any substance) for the above to no avail. Can anyone refer me to one? In the present tense however, I am trying to understand the below code example, which returns a two digit representation of the month, that corresponds to the 3 character month name set in v: SET v=May SET map=Jan-01;Feb-02;Mar-03;Apr-04;May-05;Jun-06;Jul-07;Aug-08;Sep-09;Oct-10;Nov-11;Dec-12 CALL SET v=%%map:*%v%-=%% SET v=%v:;=&rem.% ECHO.%v%

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• BeginInvoke not invoking the target method in Release build

  - by Elan

  I have a method, which I wish to execute on the UI message pump and thus do the following: private void SomeMethod() { BeginInvoke(new MethodInvoker(MethodToInvoke)); } private void MethodToInvoke() { // This method contains code that I wish to execute on UI message pump. } Now, the above works just fine when I create a Debug build of the project. However, when I create a Release build, the "MethodToInvoke" method does not get invoked. Does anyone have any idea why this might be? Thanks, Elan

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• Assigning document.getElementById to another function

  - by Andreas Grech

  I am trying to do the following in JavaScript: var gete = document.getElementById; But I am getting the following error (From FireBug's Console): uncaught exception: [Exception... "Illegal operation on WrappedNative prototype object" nsresult: "0x8057000c (NS_ERROR_XPC_BAD_OP_ON_WN_PROTO)" location: "JS frame :: http://localhost:8080/im_ass1/ :: anonymous :: line 15" data: no] Now obviously I can wrap the function as follows: var gete = function (id) { return document.getElementById(id); }; But what is the reason I'm getting the above exception when assigning the function to another name?

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• How do I implement Advanced combobox in CakePHP

  - by skr

  I have implemented combobox in cakephp using following statement - echo $form->select('brand_id',array($brands),null,array(),'Choose Brand'); for brand and input form for category - echo $form->input('category_id',array('type'=>'select',$categories,'empty'=>'Choose Category')); but none of above option allows me to add my text input to brand or category, like say I want to add an input which is not there in the combobox, how should i go about it. Like a link in the combobox or textbox in combobox? -skr

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• Problem in type casting in NSDate to NSString?

  - by Prash.......

  Hi, I developing an application, in which i found a ridiculous problem in type casting, I am not able to type cast NSDate to NSString. NSDate *selected =[datePicker date]; NSString *stringTypeCast = [[NSString alloc] initWithData:selected encoding:NSUTF8StringEncoding]; From ,above snippet datePicker is an object of UIDatePickerController.

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• how to get path froma variable

  - by yoshco

  following http://stackoverflow.com/questions/659647/how-to-get-folder-path-from-file-path-with-cmd i want to strip the path (without the filename) from a variable. following the logic of the methods discussed above i would like to use batch bellow, which doesnt work. any takers? possible? set cpp="C:\temp\lib.dll" echo %cpp% "C:\temp\lib.dll" echo %~dpcpp "C:\temp\" > doesn't work

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• How to find an element by name?

  - by Janak

  <input type="Checkbox" checked="" name="new"> if I have the above html in a document, how would I find it by searching for its name attribute?

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• how to get varchar as byte[] using DataReader in Ado.Net?

  - by Krishna

  how to get varchar as byte[] data using DataReader in Ado.Net? We have tried the following code. if (!objDataReader.IsDBNull(i)) { long len = objDataReader.GetBytes(i, 0, null, 0, 0); byte[] buffer = new byte[len]; objDataReader.GetBytes(i, 0, buffer, 0, (int)len); } But the above code gives the error ("Unable to cast object of type 'System.String' to type 'System.Byte[]'.")

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• Gridview rowcommand after refreshing

  - by xt_20

  I have a gridview inside an updatepanel. After updating the gridview, accessing the individual rows does not seem to give the right row. For example: protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e) { GridViewRow row = ((e.CommandSource as Control).NamingContainer as GridViewRow); Row from the above code gives the values from the gridview before the gridview is refreshed/updated. Anyone knows how to get the updated values?

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• embed youtube custom playlist name

  - by John Stockton

  I found a nice article: http://911-need-code-help.blogspot.com/2012/07/youtube-iframe-embeds-video-playlist-and-html5.html I am using the last option (Custom Playlist). But how to edit the embed code: <iframe width="560" height="315" src="http://www.youtube.com/embed/T0Jqdjbed40?playlist=SyoA4LXQco4,6l6PPvUhR4c" frameborder="0" allowfullscreen></iframe> in order to show my playlist name above thumbinails? i tried to add listname="name", name="name", list="name" but it don't work

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• multithreading with database

  - by Darsin

  I am looking out for a strategy to utilize multithreading (probably asynchronous delegates) to do a synchronous operation. I am new to multithreading so i will outline my scenario first. This synchronous operation right now is done for one set of data (portfolio) based on the the parameters provided. The (psudeo-code) implementation is given below: public DataSet DoTests(int fundId, DateTime portfolioDate) { // Get test results for the portfolio // Call the database adapter method, which in turn is a stored procedure, // which in turns runs a series of "rule" stored procs and fills a local temp table and returns it back. DataSet resultsDataSet = GetTestResults(fundId, portfolioDate); try { // Do some local processing on the results DoSomeProcessing(resultsDataSet); // Save the results in Test, TestResults and TestAllocations tables in a transaction. // Sets a global transaction which is provided to all the adapter methods called below // It is defined in the Base class StartTransaction("TestTransaction"); // Save Test and get a testId int testId = UpdateTest(resultsDataSet); // Adapter method, uses the same transaction // Update testId in the other tables in the dataset UpdateTestId(resultsDataSet, testId); // Update TestResults UpdateTestResults(resultsDataSet); // Adapter method, uses the same transaction // Update TestAllocations UpdateTestAllocations(resultsDataSet); // Adapter method, uses the same transaction // It is defined in the base class CommitTransaction("TestTransaction"); } catch { RollbackTransaction("TestTransaction"); } return resultsDataSet; } Now the requirement is to do it for multiple set of data. One way would be to call the above DoTests() method in a loop and get the data. I would prefer doing it in parallel. But there are certain catches: StartTransaction() method creates a connection (and transaction) every time it is called. All the underlying database tables, procedures are the same for each call of DoTests(). (obviously). Thus my question are: Will using multithreading anyway improve performance? What are the chances of deadlock especially when new TestId's are being created and the Tests, TestResults and TestAllocations are being saved? How can these deadlocked be handled? Is there any other more efficient way of doing the above operation apart from looping over the DoTests() method repeatedly?

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• JQuery: $(window).resize() doesn't work on Load

  - by Nicki

  I noticed that the following JQuery code doesn't run on the page load, but instead, it only runs after the page loads and I change the size of my browser window. $(window).resize(function() { ... // dynamically set the height of some div based on the browser viewpoint height }); Question: How do I get the code above to also run when the page loads?

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• How do I programmatically create Excel row groups with the +/- box at the top of the group, not bott

  - by Alex

  I am creating an Excel sheet programmatically. I like to show group totals above each group, and for this to look best the +/- sign that opens and closes the rows should be at the top, where the total row is. Is there a way to accomplish this? TIA, Alex

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• How to get the header of the parent node of a selected TreeViewItem?

  - by Dabblernl

  I have this TreeView: Main Node Header="Main" Sub Node Header="Sub1" Final Node Header="Item1" Final Node Header="Item2" Sub Node Header="Sub 2" Final Node Header="Item1" Final Node Header="Item2" I have two textboxes that are bound to this TreeView. One has its Text property bound to the TreeView's SelectedItem property and works OK. The other TextBox I want to bind to the Header text of the Sub Node directly above the selected Item. How do I reference it?

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• how to login in google account with app engine webproxy

  - by user313446

  hi,a webproxy on app engine oncyberspace.appspot.com , save cookie in the database, when i try to login in the google with my account, it redirect to google.com . how to solve these problem ? and another problem , when i this the above web to login in twitter,it works !but i can not use it to update my tweet. i don't know why, may be i can't pass oauth . how to solve this ?

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• Is there a declarative way to force a set of Buttons to be the same size?

  - by Jekke

  I'm writing a form in XAML that has multiple buttons with content of different sizes (ie "OK" and "Save As...") Ideally, I'd like them all to be the smallest size possible to hold the largest content. In the example above, both buttons would be the width necessary to hold "Save As..." plus the margins and padding. If they were Grid cells, I could use a SizeGroup. Is there a similar declaration for Buttons?

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• Find the version of an installed npm package

  - by Laurent Couvidou

  How to find the local version of an installed node.js/npm package? This prints the version of npm itself: npm -v <package-name> This prints a cryptic error: npm version <package-name> For some reason, probably because of the weird arguments ordering, or because of the false positives mentioned above, I just can't remember the proper command. So this question is a note for self that might help others.

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• write system call to file desciptor ZERO

  - by shadyabhi

  int main ( ) { char C[] = "Hello World"; write(0,C,sizeof(C)); return 0; } In the above program, I am writing to File descriptor ZERO which I suppose by default is STDIN.. Then why I am I getting output at STDOUT? shadyabhi@shadyabhi-desktop:~$ ./a.out Hello Worldshadyabhi@shadyabhi-desktop:~$

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• stretch(overflow if data exceeds) a textfield in jasper reports

  - by stanley

  I have a textfield above subreport in detail section, the textfield doesn't stretch if data overflow due to the subreport, If i remove the subreport it works as expected. What should i do to stretch the textfield. this is my detail section:-

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• Intellisense for Javascript - not correct in Visual Studio 2010

  - by Finglas

  var obj = document.getElementById("header"); Given the above code snippet, I should be able to wire event handlers. For example, I can wire onMouseDown to the mouse down event, the issue is that Visual Studio does not display this in the Intellisense. I've tried this on both a standalone Javascript file, as well as an MVC project to no luck. Is there anything I'm doing wrong - or is there a way to resolve this?

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• Free or open source dictionaries

  - by jack

  I'm working on a multi-lingual search engine. I need to map keywords in English to corresponding words in following languages: Bulgarian Catalan Chinese Crotian Czech Danish Dutch Finish French German Greek Hungarian Italian Japanese Korean Lithuanian Litvian Norwegian Polish Portuguese Romanian Russian Slovak Slovenian Spanish Swedish Thai Ukrainian Vietnamese I already known eudict and stardict. Could you recommend some other free or open source dictionaries cover one or more above languages?

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