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• How to make a EditText work correctly in a ListView?

  - by TianDong

  Hallo all, I have a ListView, which contains an EditText in each of it's row. I also have an Array.The length of the Array==the Nr of the rows in the ListView. I want to store the user input (the text in the EditText) to the Arrray. E.g, if i type some text in the EditText in the first row of the ListView, i want the text to be stored in Array[0]. But how can i detect to which row the EditText belongs to? I can detect the possition of the row if the row contains a RadioGroup, but not a EditText. What if i first type some text in the EditText and sometime later i want to update mein Input? How can i update it? Thanks a lot!

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• Java escape HTML - string replace slow?

  - by cpf

  Hi StackOverflow, I have a Java application that makes heavy use of a large file, to read, process and give through to SolrEmbeddedServer (http://lucene.apache.org/solr/). One of the functions does basic HTML escaping: private String htmlEscape(String input) { return input.replace("&", "&amp;").replace(">", "&gt;").replace("<", "&lt;") .replace("'", "&apos;").replaceAll("\"", "&quot;"); } While profiling the application, the program spends roughly 58% of the time in this function, a total of 47% in replace, and 11% in replaceAll. Now, is the Java replace that slow, or am I on the right path and should I consider the program efficient enough to have its bottleneck in Java and not in my code? (Or am I replacing wrong?) Thanks in advance!

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• JavaScript and PHP - A little confused on how to work them together.

  - by Doug

  So right now, I'm just using a basic form to check a password. I want it to check the password and basically remain on page.html so I can use JavaScript to alert incorrect password or something. I'm not really sure how to do that. It seems it would bring me to check.php. I'm not too sure on the whole process, any help appreciated! Thanks! Page.html <form action="check.php" method="post"> <input type="password" name="password" /> <input type="submit" value="Submit" /> </form> check.php <?php $password = $_POST['password']; if ( $password != "testing" ) { die(); } ?>

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• Dynamic validation in jquery

  - by mansoor

  $(document).ready(function(){ $('a[rel=addhint]').click(function(){ var html='<div><label>Hint</label>'; html+='<span class="input"><input type="text" size="30" class="text" name="hint"/><a href="#" rel="delhint">delete</a></span><br class="clear" /></div>'; $('div#hintTextContainer').append(html); bindDelHintAll(); return false; }); I want when a new text area include vadition of required field and max length will also apply on it.

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• Where does ASP.Net get its rendered IDs from?

  - by NeilD

  Hi, I've inherited a project with some nasty JavaScript that depends on hard coded object ids. i.e. There are lots of places where it does things like this var magazine = document.getElementById('repModuleDisplay__ctl3_chkCats_0'); When the page renders in my UAT environment, the HTML looks like this, and everything works OK. <input id="repModuleDisplay__ctl3_chkCats_0" type="checkbox" name="repModuleDisplay:_ctl3:chkCats:0" ... etc However, when I put it on my Production environment, the HTML is suddenly rending like this: <input id="repModuleDisplay_ctl03_chkCats_0" type="checkbox" name="repModuleDisplay$ctl03$chkCats$0" ... etc The difference in ids means that the JavaScript can't find the Element, and fails. In an ideal world, I'd scrap the buggy JavaScript and do it again properly, but for a quick fix, I'd like to know what is causing the difference in rendering between the two environments. Does anyone have any ideas? Thanks, Neil

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• Show Div When Radio Checked

  - by maniootek

  I tried to use this code: <script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js" type="text/javascript"></script> <style type="text/css"> div {display: none} </style> <script type="text/javascript"> $('.radio1').click(function () { $('.div1').show(); }); $('.radio2').click(function () { $('.div2').show(); }); </script> <label><input type="radio" name="group1" class="radio1"></label> <label><input type="radio" name="group1" class="radio2"></label> <div class="div1">Radio1 selected !</div> <div class="div2">Radio2 selected !</div> But when I check any radio then notthing happens. I tried with Fiddle: http://jsfiddle.net/Ac9c4/ and same no results Any idea?

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• Best Java library(ies) for forgiving command interpreter

  - by vkraemer

  I am looking for a library or set of libraries that will help me write a forgiving command interpreter. A forgiving command interpreter would be a command interpreter which can deal with simple and even not so simple spelling and word order mistakes in the input. My goal is to have an interpreter which would take the input (a command) from a user and then: execute the command, if it is correct. apply corrections to the command, until a correct command is generated and then present that command to the user to confirm whether it is 'what the user meant'.

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• The 100% width HTML element problem

  - by Xeoncross

  When assigning some HTML elements (like a form input) 100% width - you can no longer apply any additional styles that might effect the width. Things like border or padding will cause the element to exceed 100%. This results in awkward elements that may be outside of their parent elements. Since CSS doesn't support width: 100% - 2px; The only way I know around this is to use an absolute pixel width (width: 98px) or chop the element off at 100% which is not really an option. <div style="overflow:hidden;"> <input style="width:100%; border: 1px solid #000;" /> </div> Are they're any other ways around this?

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• Unsigneds in order to prevent negative numbers

  - by Bruno Brant

  let's rope I can make this non-sujective Here's the thing: Sometimes, on fixed-typed languages, I restrict input on methods and functions to positive numbers by using the unsigned types, like unsigned int or unsigned double, etc. Most libraries, however, doesn't seem to think that way. Take C# string.Length. It's a integer, even though it can never be negative. Same goes for C/C++: sqrt input is an int or a double. I know there are reasons for this ... for example your argument might be read from a file and (no idea why) you may prefer to send the value directly to the function and check for errors latter (or use a try-catch block). So, I'm assuming that libraries are way better designed than my own code. So what are the reasons against using unsigned numbers to represent positive numbers? It's because of overflow when we cast then back to signed types?

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• loading Data in VBA from a text file

  - by omegayen

  I am not very familiar with VBA but need to use it for a new software program I am using (not Microsoft related) I have a text file that has columns of data I would like to read into VBA. Specifically the text file has 4 entries per row. Thus I would like to load in the column vectors (N by 1). The text file is separated by a space between each entry. So for example I want to load in column one and save it as array A, then column two and save as array B, then column three and save as array C, and then column four and save as array D. This code snippet found below from http://www.tek-tips.com/faqs.cfm?fid=482 is something I found that can load in text to an array, but I need to adapt it to be able to save the columns as different arrays as specified above... Open "MyFile.txt" For Input As #1 ReDim Txt$(0) Do While Not EOF(1) ReDim Preserve Txt$(UBound(Txt$) + 1) Input #1, Txt$(UBound(Txt$)) Loop Close #1

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• extending spring form tag library attributes

  - by TimmyJ

  I'm using Spring's form tag library in a Spring MVC application that I am developing. The company I am working for has implemented some company-wide policies based on the definition of custom attributes for certain tags. For instance, by default (though the inclusion of a standard javascript file) all tags have their values automatically converted to upper case. In order to disable this one would define their tag with a custom attribute in the following way: <input type="text" uppercase="false" /> The problem is that the addition of these custom attributes to a spring:form tag causes an error at runtime. I've pasted the error below. org.apache.jasper.JasperException: /WEB-INF/jsp/reportCriteria.jsp(45,5) Attribute uppercase invalid for tag input according to TLD My question is: is there any way to extend the TLD to allow for these attributes, or is there any other way add these custom attributes to these spring:form tags?

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• sloving Algorithm notation

  - by neednewname

  Use big-O notation to classify the traditional grade school algorithms for addition and multiplication. That is, if asked to add two numbers each having N digits, how many individual additions must be performed? If asked to multiply two N-digit numbers, how many individual multiplications are required Suppose f is a function that returns the result of reversing the string of symbols given as its input, and g is a function that returns the concatenation of the two strings given as its input. If x is the string hrwa, what is returned by g(f(x),x)? Explain your answer - don't just provide the result!

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• Pass dynamic value in URL with CakePHP

  - by Renato Dinhani Conceição

  I have the following method that performs an Ajax request passing some dynamic value obtained from a select input. It works fine, but the dynamic value is passed as parameter in the URL, something like states/listCities/?big_string_of_serialized_parameter . $this->Js->event( 'change', $this->Js->request( array( #url 'controller' => 'states', 'action' => 'listCities'), array( # ajax options that generates the serialized parameter 'update' => '#DealerCityId', 'data' => '$("#DealerStateId").serialize()', 'dataExpression' => true ) ) ); I'm trying to do this in a more friendly URL way, something like states/listCities/2. It's possible in CakePHP to generate a friendly URL like this with dynamic value from a input or is only possible passing the dynamic values as parameters?

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• Html.EditorFor Global Template?

  - by Grant Trevor

  Is there any way to define a global template for the Html.EditorFor helper? I would like to alter the markup that is output so that for example instead of rendering <div class="editor-label"> <label .../> </div> <div class="editor-field"> <input .../> </div> It would render: <div> <div class="label"><label..../></div> <div class="field"><input..../></div> </div> This is for when I'm using Html.EditorFor with an object instance not just an object property.

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• Validate decimal number in (known) national format

  - by Álvaro G. Vicario

  PHP has many built-in functions to validate numbers but they all expect input in computer format: 1234.56. I need to validate stuff like 1,234.56 (English) or 1.234,56 (Spanish), together with some typical attributes (accepted range, max number of decimals, etc.). I started writing my own function but I soon got lost. It's easy to read the user input into a float variable but I want to be able to detect numbers with invalid formats like 1,23456.7 or 1..25. Do you have any recommendation on the subject? (Decimal and thousand characters are known beforehand and it's okay to hard-code digit groups as three, there's no need to cover Indian number format.)

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• How to get the action from the HttpServlet request to dispatch to multiple pages

  - by JFB

  I am using the Page Controller pattern. How could I use the same controller for two different pages by detecting the request action and then dispatching according to the result? Here is my code: account.jsp <form name="input" action="<%=request.getContextPath() %>/edit" method="get"> <input type="submit" value="Modifier" /> </form> Account Servlet public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("received HTTP GET"); String action = request.getParameter("action"); if (action == null) { // the account page dispatch(request, response, "/account"); } else if (action == "/edit") { // the popup edit page dispatch(request, response, "/edit"); } protected void dispatch(HttpServletRequest request, HttpServletResponse response, String page) throws javax.servlet.ServletException, java.io.IOException { RequestDispatcher dispatcher = getServletContext() .getRequestDispatcher(page); dispatcher.forward(request, response); } }

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• Additional information with widgets in django

  - by fromclouds

  I am displaying a django widget, with which I need to display additional information (something like a tool tip) that is attendant to the widget. I essentially have a widget that asks a random question, which is self contained. {{ form.fieldname }} displays the full widget which looks something like (à la the widget's render method): <label for="id_answer">Question:</label> <input type="hidden" name="question_id" value="n" /> <span class="prompt">What is the air-speed velocity of an unladen swallow?</span> <input type="text" name="answer" /> What I'm essentially asking is, is there a way to break out the prompt, so that I can lay the widget out piecemeal? I would like to lay it out not with a call to {{ form.fieldname }} as above, but like: {{ form.fieldname.label }} {{ form.fieldname.prompt }} {{ form.fieldname }} Does anyone know how to do this?

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• Extract words from sentence(s) using TSQL

  - by Newbie

  I have the following input. INPUT: TableA ID Sentences --- ---------- 1 I am a student 2 Have a nice time guys! What I need to do is to extract the words from the sentence(s) and insert each individual word in another table OUTPUT: SentenceID WordOccurance Word ---------- ------------ ----- 1 1 I 1 2 am 1 3 a 1 4 student 2 1 Have 2 2 a 2 3 nice 2 4 time 2 5 guys! I am using SQL Server 2005. My fruitless approach so far is ;With numCTE As ( Select rn = 1 Union all Select rn+1 from numCTE where rn<1000) , getWords As ( Select rn, ID, indiChars From numCTE Cross Apply(Select ID, indiChars = Substring(Sentences,1,rn) From inputTbl)x where indiChars <> '' ) Select Id, Word = stuff(select ',' + cast(indiChars) from getWords g1 where g1.Id = g2.Id for xml path(''),'',1,1)x from getWords g2 Group by g2.Id I am looking for a set based solution. Thanks

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• How to limit the number of post values on UpdatePanel ?

  - by Aristos

  I have notice that the UpdatePanel post every field included on the form on every trigger. But in most of my cases I use 2-3 UpdatePanels at the same page, and each one is independent. When I click for update the one panel, then my page receive all the input data of the page (ok this is logical) but I won to read only this UpdatePanels data and act according, and not the other panels data. So I see that a lot of traffic is happened this way. So is there a way to say to one UpdatePanel - send only my input data, and not everything found on the page. ? Thank you in advanced.

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• Any way to add an observer to the head of the queue using Element#observe?

  - by Josh

  This might not be possible but before I rewrite part of my application I wanted to ask... I have a JavaScript app which creates a submit <input> and observes that input's click event using Prototype's Element#observe function. For a few particular pages on one particular site which uses this app, I need to apply some additional business logic before the code which executes normally when the button is clicked. Is there any way I can use Elemen#observe to add my new event handler before the existing event handler, so I can stop the event if these new conditions aren't met? If not I'll probably solve this the "proper" way by having the application fire a specific beforeTakingAction event and add a listener for that which prevents the application from taking it's action, but that's more complicated than this simple problem requires, and requires rewriting part of a shared application for just one user...

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• why am i getting a null pointer when converting string to int array?

  - by Sackling

  My main method: public static void main(String[] args) { Scanner input = new Scanner(System.in); String string1; string1 = input.next(); LargeInteger firstInt = new LargeInteger(string1); System.out.printf("First integer: %s \n", firstInt.display()); } LargeInteger class: public class LargeInteger { private int[] intArray; //convert the strings to array public LargeInteger(String s) { for (int i = 0; i < s.length(); i++) { intArray[i] = Character.digit(s.charAt(i), 10); // in base 10 } } //display the strings public String display() { String result = ""; for (int i = 0; i < intArray.length; i++) { result += intArray[i]; } return result.toString(); } }

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• pass by reference but reference to data and not to variable

  - by dorelal

  This is psesudo code. In what programming language this is possible ? def lab(input) input = ['90'] end x = ['80'] lab(x) puts x #=> value of x has changed from ['80'] to ['90] I have written this in ruby but in ruby I get the final x value of 80 because ruby is pass-by-reference. However what is passed is the reference to the data held by x and not pointer to x itself same is true in JavaScript. So I am wondering if there is any programming language where the following is true.

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• Jquery autosuggest google maps - Load on selection

  - by user1738522

  At the moment, the Google map code works like this: When you start typing in the input box it loads a list of suggestions. Then when you click on one of these options from the list, it puts it into the input box. However, THEN you still have to click find to load up the result. I want to have it so when you click on an option from the autosuggest list, it automatically loads the result, without having to click "find" afterwards. This is the code I am working with. I hope I explained this question correctly. http://jsfiddle.net/BxG9H/

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• How to call in C# function from Win32 DLL with custom objects

  - by marko

  How to use in C# function from Win32 DLL file made in Delphi. When function parameters are custom delphi objects? Function definition in Delphi: function GetAttrbControls( Code : PChar; InputList: TItemList; var Values : TValArray): Boolean; stdcall; export; Types that use: type TItem = packed record Code : PChar; ItemValue: Variant; end; TItemList = array of TItem; TValArray = array of PChar; Example in C# (doesn't work): [StructLayout(LayoutKind.Sequential)] public class Input { public string Code; public object ItemValue; }; [DllImport("Filename.dll", EntryPoint = "GetValues", CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)] public static extern bool GetValues(string Code, Input[] InputList, ref StringBuilder[] Values);

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• What is the time taken by java to call a method in another package?

  - by satish

  I have an assignment where i need to do feasibility study on two of my approaches and find optimized one. There are two packages A and B User input is gathered in A and then sent to B for execution. Now my approaches are 1. Call B methods from package A one by one. 2. Create a common method in B and send all the input as parameters. Which is feasible and best one, I know 2 is good in terms of code optimization and less number of calls. But, I want to understand what will be the execution time difference in above approaches How much time does java take to call method in another package? Is there any default value like x nano seconds or y milli seconds. Based on the time taken I can choose the appropiate one. Thanks

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