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• .focus() doesn't work on an input while orher attributes works

  - by Sirber

  I have a classic table / thead / tbody structure, which I add a line at the end of the tbody. The line contains only an input element. The code works in Firefox 3.6 but not in Chrome v5 or IE8. I'm using jQuery 1.4.1. Does not work: $("#" + AJAX_ID).parent().find('tr:last > td:nth-child(2) > input').focus(); Does work: $("#" + AJAX_ID).parent().find('tr:last > td:nth-child(2) > input').css('background-color', 'red'); even setting an ID on the input, and using document.getElementBuId('id').focus() doesn't work. Thank you!

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• AS/400 'SELECT 1' Equivalent

  - by bryan_cook

  I'm trying to help a friend troubleshoot connection problems with an AS/400. He'd like to run a query against the AS/400 that will always return a record, (similar to a SELECT 1 against MSSQL). He's attempted running SELECT 1 but without luck ... I'm assuming that the AS/400 expects a FROM TableName ... Can anyone provided assistance? Is there a system table/file that always exists that he can run a SELECT TOP 1 (or it's equivalent) against? I've never interacted with an AS/400 so I'm a bit out of my element ... was hoping SO could give me a quick answer ... Thanks in advance!

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• What is the best way to inject a javascript script from another domain into a page? (without using a

  - by lowellk

  Here is a snippet of javascript for loading a script onto a given page asynchronously. I was wondering if there was anything wrong with it? Can it be improved? I haven't played with this yet, but some things I'm worried about are: - cross browser support - when script.readyState is true, will the old version of that function get clobbered? - can i always count on there being a head or body element? Here it is: function injectScript(url, callback){ var script = document.createElement('script'); script.type = "text/javascript"; script.setAttribute('async', 'true'); script.src = url; (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(script); if (callback) { if (script.readyState){ script.onreadystatechange = function(){ if(script.readyState === "loaded" || script.readyState === "complete"){ script.onreadystatechange = null; callback(); } }; }else{ script.onload = function() { callback(); } } } }

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• [c]how to take input for a character pionter without using fget?

  - by ashish yadav

  consider the code include int main() {char* a; scanf("%s",a);//&a and &a[0] give same results-crashes printf("%s",); return 0; } why does this code results in crashing?whereas this code using character array works fine? include int main() {char a[100]; scanf("%s",&a[0]);//works fine printf("%s",a); return 0; } the difference being character array and pointer?but i knew that pointer just points to the first element that is &a[0] should work fine but upper code crashes for all three that is a,&a and &a[0]? the main thing i would to gather is how can i take input of a character pointer if i insist on using scanf only? i apologize if i am not clear. thanks in advance:)

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• Indexing XMLType columns

  - by Chris

  Hello, I am working with a XMLType and currently experiencing significant performance issues and would like to incorporate indexing to the column type. Currently I am taking the approach of using the XMLTable() and XQuery functions to create a virtual table. I would like to use this Virtual Table to create a function based index on the table containing the XMLType, but I am receiving this error: Error report: SQL Error: ORA-00907: missing right parenthesis 00907. 00000 - "missing right parenthesis" *Cause: *Action: This is the index.. any assistance would be greatly appreciated. CREATE INDEX indx_medicinalproduct ON d.ProductName XMLTable('for $i at $a in /safetyreport/patient//drug for $j in $i/medicinalproduct return element r { $i/medicinalproduct }' PASSING s.safetyreport COLUMNS ProductName varchar2(70) PATH 'medicinalproduct') d;

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• step attribute not working with HTML5 <input type="range"> on Safari

  - by Claudiu

  Are there known issues with range inputs not working fully on Safari? I have the following input element: <input type=?"range" min=?"0" max=?"360" step=?"0.0001" value=?"0">? On Chrome, the input goes according to the step variable. On Safari, it only goes by integer values. Even setting the step to 10 still makes it go by increments of 1. I'm confused because I thought Chrome and Safari both used WebKit.

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• I get `System.Web.UI.WebControls.TextBox` instead of TextBox value

  - by Anna T

  Gooday. Could you help me figure out please why I get this: System.Web.UI.WebControls.TextBox on Label1: DataListItem item = DataList1.Items[0]; TextBox nume = (TextBox)item.FindControl("numeTb"); Label1.Text = nume.ToString(); I specify that the numeTb element is put like this in the ASPX file: <asp:TextBox ID="numeTb" runat="server" Width="400px" Text='<%# Eval("nume") %>' DataTextField="nume" DataValueField="nume"></asp:TextBox> I just added the DataTextField bits thinking might help, but no. Thank you!

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• RSS feed without items

  - by Jan Hancic

  I have webpage where I have a search page. I provide a "dynamic" RSS feed for search so that a user can subscribe to search results for any search term he likes. So I was wondering what is the standard (or best practise) way to do if that search term returns 0 results which means I have no "items" to put in the feed. Do I just return an empty feed (only including the meta data and no item elements). Or should I put some special item element in the feed with some "no results" text? edit: YouTube returns a feed without any item elements. If no-one can answer me I'll take it that this is the right way of doing it since I can't find any info elsewhere :)

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• didSelectRowAtIndexPath being called after viewDidLoad of the called view

  - by Serguei Fedorov

  I am trying to pass variables over to the new view. I have the following code: appDelegate *dataCenter = (AppDelegate*)[[UIApplication sharedApplication] delegate]; dataCenter.myVariable = [array objectAtIndex:indexPath.row]; in the didSelectRowAtIndexPath of the calling view. However, the issue that I have is that this variable is empty in the vewDidLoad function of the next view, simply because it fired off BEFORE the didSelectRowAtIndexPath of the calling view. I am using storyboard to link the views together. Both are UITableView. If I hit back and then reselect the table element it is then set, granted that by the time I hit back and then selected again, the variable got set. Is there any way to for the order of execution? I really don't want to do UI view switching on the back end. Any help is greatly appreciated!

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• errorPage directive works, but error-page in web.xml doesn't?

  - by danb

  I get jsp exceptions causing a forward to my error page when I put this at the top of my JSPs... <%@ page errorPage="/error.page" %> but when I try to do it globally with web.xml like so: <error-page> <exception-type>java.lang.Throwable</exception-type> <location>/error.page</location> </error-page> I just get a blank page... I've also tried putting /error.jsp in the location element.. but no love with that either.. I am triggering an exception with a jsp that just contains this: <%if(true)throw new RuntimeException("test exception");%> I do see the exception in the console from tomcat but I just can't get that error page to show without a directive on every jsp... am I missing something simple here?

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• How to move file pointer to a particular location using fseek()?

  - by Noge

  My intention is to read every elements in the 2nd column into a buffer[] from the following .txt file: 9992891234 09.920 15.771 11.909 9992345971 07.892 12.234 09.234 9992348971 64.567 70.456 50.987 9992348231 89.234 85.890 58.982 I have know of a way to do it by using fscanf(): for (int i=0;i<4;i++) { fscanf(pFile, "%lld", &junk); fscanf(pFile, "%f", &buffer[i]); fscanf(pFile, "%f", &junk); fscanf(pFile, "%f", &junk); } However, since I'm doing parallel programing which requires me to use different Windows Threads to read different columns, so I'll need to read the elements in the 2nd column directly using fseek(). The question here is, what should I put in the 2nd argument in fseek() in the code below to move my file pointer to read the 2nd element of the 2nd line? fscanf(pFile, "%llf", &junk);//<------this is used to skip the 1st data for (int i=0;i<4;i++) { fscanf(pFile, "%f", &buffer[i]); fseek ( pFile , ??, SEEK_CUR );//<----how do I calculate this offset? }

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• noob: how to show login error message on the same page after php server processes request.

  - by funbar

  Hi, I have a login page. User first enters information and submits the form. And I have a php script that will see if the user exists. If( authenticated == true) { // I do a redirect } else { // I want to popup an error message on the same page. } 1) I'm not sure how to show the popup message, I would like to make my div element visible with an error message returned from the server, I would have to use Ajax, right? But how? Or are there alternatives which are just as good.

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• Simulate Click Javascript

  - by Belgin Fish

  Hi, I'm just wondering how I can have javascript simulate a click on a element. Currently I have <script type="text/javascript"> function simulateClick(control) { if (document.all) { control.click(); } else { var evObj = document.createEvent('MouseEvents'); evObj.initMouseEvent('click', true, true, window, 1, 12, 345, 7, 220, false, false, true, false, 0, null ); control.dispatchEvent(evObj); } } </script> <a href="http://www.google.com" id="mytest1">test 1</a><br> <script type="text/javascript"> simulateClick(document.getElementById('mytest1')); </script> But it's not working :( Any ideas?

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• Does the XML specification states that parser need to convert \n\r to \n always, even when \n\r appe

  - by mic.sca

  Hi, I've stumbled in a problem handling the \line-feed and \carriage-return characters in xml. I know that, according to http://www.w3.org/TR/REC-xml/#sec-line-ends, xml processors are required to replace any "\n\r" or lone "\r" sequences with "\n". The specification states that this has to be the behaviour for handling any "external parsed entity", does this apply to CDATA sections inside of an element as well? thank you, Michele I'm sure that msxml library for example converts every \n\r" or lone "\r" sequences to "\n", regardless of their being in a cdata section or not.

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• Efficient bitshifting an array of int?

  - by nn

  Hi, To be on the same page, let's assume sizeof(int)=4 and sizeof(long)=8. Given an array of integers, what would be an efficient method to bitshift the array to either the left or right? I am contemplating an auxiliary variable such as a long, that will compute the bitshift for the first pair of elements (index 0 and 1) and set the first element (0). Continuing in this fashion the bitshift for elements (index 1 and 2) will be computer, and then index 1 will be set. I think this is actually a fairly efficient method, but there are drawbacks. I cannot bitshift greater than 32 bits. I think using multiple auxiliary variables would work, but I'm envisioning recursion somewhere along the line.

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• Replacing emty csv column values with a zero

  - by homerjay

  Hey, So I'm dealing with a csv file that has missing values. What I want my script to is: #!/usr/bin/python import csv import sys #1. Place each record of a file in a list. #2. Iterate thru each element of the list and get its length. #3. If the length is less than one replace with value x. reader = csv.reader(open(sys.argv[1], "rb")) for row in reader: for x in row[:]: if len(x)< 1: x = 0 print x print row Here is an example of data, I trying it on, ideally it should work on any column lenghth Before: actnum,col2,col4 xxxxx , , xxxxx , 845 , xxxxx , ,545 After actnum,col2,col4 xxxxx , 0 , 0 xxxxx , 845, 0 xxxxx , 0 ,545 Any guidance would be appreciated

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• jQuery .each() with Array

  - by John Crain

  Basically, I am trying to gather the IDs of every element with a specific class and place those IDs into an array. I'm using jQuery 1.4.1 and have tried using .each(), but don't really understand it or how to pass the array out of the function. $('a#submitarray').click(function(){ var datearray = new Array(); $('.selected').each(function(){ datearray.push($(this).attr('id')); }); // AJAX code to send datearray to process.php file }); I'm sure I'm way off, as I'm pretty new at this, so any advice help would be awesome. Thanks!

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• Javascript: Display message when user leaves site

  - by Brian Rasmusson

  Hi, I'm looking for a way to display a message to the user if he leaves my site after only viewing one page. I found this (http://www.pgrs.net/2008/1/30/popup-when-leaving-website) clever solution, but it has a few flaws: staying_in_site = false; Event.observe(document.body, 'click', function(event) { if (Event.element(event).tagName == 'A') { staying_in_site = true; } }); window.onunload = popup; function popup() { if(staying_in_site) { return; } alert('I see you are leaving the site'); } It displays the message also when refreshing the page or using the back button. Do you know a better solution or how to fix it in the above code? I'm no javascript master :) My intention is to add the code on very specific landing pages only, and display the message when people leave the page without downloading my trial software or reading other pages on my site.

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• JQUERY: Multiplying input elements select box and radio boxes and hidden inputs

  - by Andrew Tan

  Evening, I'm tyring to multiply different input elements but for some reason it's giving me a NAND error. As the user selects, check or modify the values of any element. This should change the total amount. http://jsfiddle.net/aQ5K8/ <select name="select"> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> </select> <input name="radio" type="radio" id="radio" value="10" tvalue="100" /> <input name="radio" type="radio" id="radio" value="20" tvalue="200" /> <label id="Total"></label> Also if you take a look at the jsfiddle code i have tvalue=100 and the other is =200 as a custom attributes, how would I access that instead of accessing the regular html value. Thank you.

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• Is it possible to generate end comments for html

  - by Gandalf StormCrow

  Is it possible to generate comments for closing div tags, lets take this ex. into consideration normal HTML: <div id="content"> ... ...buch of html or whateve </div> with comments : <div id="content"> ... ...buch of html or whateve </div><!--End of content--> and so on go trough each div element and comment the end of it ?

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• Get drop down selection from GridView on button press

  - by Chris Stewart

  I have an ASP.NET GridView that has four columns. The first three are typical BoundField elements bound to a DataTable. The forth is a TemplateField element that I create a DropDownList in on the OnRowCreated event for the GridView. What I'm attempting to do is walk down the data source for the GridView when a button is pressed. I really just need to get the values for columns one and four of each row. The first three columns have data as expected but the forth is displaying as empty. Is this because it wasn't a part of the DataTable originally? Is there any way to get the value for each drop down as I've described it, or will I need to rework this so each drop down list is a part of the DataTable?

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• C# Array Maximum

  - by Betamoo

  I have 2 arrays named Arr1 and Arr2 in C#. They are of the exact same dimensions... I need to get the element of Arr1 corresponding to maximum of elements in Arr2 beginning with given indices ... e.g Get indices of the max of Arr2 [ 1 , 10 , 3 , i , j ] for all i,j Return Arr1 [ 1 , 10 , 3 , i , j ] Of course I need the elegant solution (not the "loop for them" one...) Please Note: I do not want to loop through the arrays, because it is 11 dimensional!!.. the code will be ugly and error prone.. and I may run out of variable names :)

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• Cast A primitive type pointer to A structure pointer - Alignment and Padding?

  - by Seçkin Savasçi

  Just 20 minutes age when I answered a question, I come up with an interesting scenario that I'm not sure of the behavior: Let me have an integer array of size n, pointed by intPtr; int* intPtr; and let me also have a struct like this: typedef struct { int val1; int val2; //and less or more integer declarations goes on like this(not any other type) }intStruct; My question is if I do a cast intStruct* structPtr = (intStruct*) intPtr; Am I sure to get every element correctly if I traverse the elements of the struct? Is there any possibility of miss-alignment(possible because of padding) in any architecture/compiler?

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• C++ : Swapping template class elements of different types?

  - by metamemetics

  template< class T1, class T2 > class Pair { T1 first; T2 second; }; I'm being asked to write a swap() method so that the first element becomes the second and the second the first. I have: Pair<T2,T1> swap() { return Pair<T2,T1>(second, first); } But this returns a new object rather than swapping, where I think it needs to be a void method that changes its own data members. Is this possible to do since T1 and T2 are potentially different class types? In other words I can't simply set temp=first, first=second, second=temp because it would try to convert them to different types. I'm not sure why you would potentially want to have a template object that changes order of its types as it seems that would cause confusion but that appears to be what I'm being asked to do.

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• How to style just one type of input field without also affecting other input types with CSS

  - by James

  Is there a way to write style rules that will only influence text fields. Suppose I have the following: <div id="helloDiv"> <input type="text" name="something" /><br /> <input type="checkbox" name="somethingElse" /><br /> <input type="submit" name="go" /> </div> div#helloDiv input { border: 1px solid red; } The problem with the above CSS rule is that it will affect ALL input fields not just input text but also radio buttons, submit buttons, etc. So is there a cross browser solution to affect just one type of input field within a div or other page element (without resorting to assigning the input fields styles individually).

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