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• How to make a VB exception handling for no value in a Textbox

  - by Twocold

  I want to catch an exception when user enter no value in a Textbox and try to process further by press a button, I know I can use "If else" statement to make it. but in terms of "Try and Catch" block, I dont know how. Here is the code sample. Dim NameString As String Try NameString = OperatorNameTextBox.Text Catch ex As ArgumentException MessageBox.Show("Enter a String Value") End Try

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• jQuery Selection Child of UL. Looking for a better method

  - by john doe

  I have a div element which contains UL and UL contains the LI items. One of the LI item has an ID of stocknumber. I need to select that li. Here is my code which works fine I am just looking for a better implementation. $(".block").children("ul").children("#stocknumber") // gets me the li and it works!!

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• Embedding script with timeout in case server goes down

  - by vsync

  I need a way to make sure my script won't block the viewed page, if the server serving the script is down (port 80 is blocked for some reason). Currently when I test it and take down the server (Apache), or close the firewall, I see in the browser that it is trying to load the resource (script in that case), without success for long seconds, until it aborts. Is there a nice way to get past this issue?

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• Charts don't show up when subreport is included in group header in pentaho reporting 3.9.1-GA

  - by user2909808

  There is an issue concerning in sub-reports. I created a bar chart in report header. The sub report(inline) is placed in the Details of main report. In the sub report, the bar chart is placed in the group header. I imported the required parameters to the sub reports from the main report and also i have a sub query for the sub report.The expected output is to show an updated bar chart within each (inner) group of main report. However, the chart is only displayed in the last group occurence, although the chart area itself is allotted in every expected case. Can any one say me, what mistake i did.

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• Flex 3: creationComplete alert in repeater... question about getting repeater.currentIndex

  - by Brds

  I have a repeater to call a child... my code is as follows: <mx:Repeater id="projectRP" dataProvider="{projectsHttp.lastResult.project}"> <Block:project id="wholeProject" projectID="{projectRP.currentIndex}" workingTitle="{projectRP.currentItem.workingTitle}" projectTitle="{projectRP.currentItem.projName}" startDate="{textToDate(projectRP.currentItem.startDate)}" projectPositions="{XML(projectRP.currentItem.positions)}" creationComplete="Alert.show(String(projectRP.currentIndex))" /> </mx:Repeater> For some reason, the creationComplete piece isn't s

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• how do i create a non-blocking asynchronous function in node.js?

  - by Richard

  How do I create a non-blocking asynchronous function? Below is what I'm trying to achieve but my program is still blocking... var sys = require("sys"); function doSomething() { sys.puts("why does this block?"); while(true); } setTimeout(doSomething,0); setTimeout(doSomething,0); setTimeout(doSomething,0); sys.puts("main");

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• Append an onClick event to an anchor tag using jquery?

  - by M.Woodard

  I am trying to add an onClick event to an anchor tag ... Previously i had ... <a href="somlink.html" onClick="pageTracker._link(this.href); return false;"> But i am trying to avoid the inline onClick event because it interferes with another script.. So using jQuery i am trying the following code ... <script> $(document).ready(function() { $('a#tracked').attr('onClick').click(function() {window.onbeforeunload = null; pageTracker._link(this.href); return false; }); }); </script> with the html like so <a id="tracked" href="something.html"> So my question is should this be working, and if not what would be the best solution?

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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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• List DIV tags in columns

  - by cbeberge

  Hi I want to liste these images in 3 columns( see under). What is the HTML cod for this? [IMAGE] [IMAGE] [IMAGE] <div class="rparticle "> <div class="articleEntry Normal"><a href="[LINK]">[IMAGE]</a></div> <div><a href="[LINK]">[TITLE]</a></div> </div> .rparticle { display:inline; clear: both; text-align: center; margin-bottom : 25px; width:190px; }

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• .Net Appllication Cache in Cloud Environment

  - by Viracocha

  I'm using the Enterprise Application Block and my application is hosted in a Cloud Environment. I was wondering what else I need to do with my implementation to make it as efficient as possible. Thanks!

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• How can I call notify() in Java without blocking?

  - by Horcrux7

  Are there a replacement for the follow Java code that will not block? I want only ping a possible waiting thread. I does not want change any on a possible thread that is already in the monitor. synchronized( monitor ) { monitor.notify(); }

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• Drupal - Break up content with different content (After every 12 products, show an ad?)

  - by kilrizzy

  Currently I have the homepage of a t-shirt site list a 4 column grid, each cell containing all the shirts on the website (using views). The client would like every few rows to display an ad (perhaps a random view/block item). Is this possible? I'm sure I will end up needing to set the grid display to something else but how could I program this in?

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• Hide or display a button according to row count of a table

  - by kawtousse

  Hi, i have a HTML table and a button send. First of all the send button must have this style: style.display="none". But if the table has at least one row the button should be displayed (block/inline); I still have no idea how to relate between the table and the button. I try to use JavaScript but i should think about a function and I don't found any of it to apply at type table. Thinking about CSS still also hard since I cannot find a relation between the table and the button.

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• CSS, HTML: Internet Explorer 7 doesn’t move the term to the next line

  - by Patrick

  hi, how can I fix this problem on Internet Explorer 7: If I resize the browser window you'll see that the letters of the last tag on the right (in the header) are displayed in vertical one above each other. This happen only in IE, and not in other browser (you can better see the bug by visiting the website: http://www.sanstitre.ch/drupal/portfolio How can I ask IE 7 to consider the word as block, and move it to next line instead of listing the letters in vertical ? thanks

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• Multiple requests to server question

  - by embedded

  I have a DB with user accounts information. I've scheduled a CRON job which updates the DB with every new user data it fetches from their accounts. I was thinking that this may cause a problem since all requests are coming from the same IP address and the server may block requests from that IP address. Is this the case? If so, how do I avoid being banned? should I be using a proxy? Thanks

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• Drupal: 3 blocks (authenticated users can only edit 2 of 3 !?)

  - by Patrick

  hi, I'm developing a website in Drupal. I've 3 blocks (I use as footers), I've created the first 2 time ago and recently I've added a new one. As root I can, of course, edit all of them, but authorized users can only edit 2 of them. I dunno how to change preferences for the third block. thanks

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• Chrome/IE table cell positioning help

  - by Checksum

  I am making a tiny script to make a HTML element editable. When you click on an element, it gets replaced with a textarea, and you can basically enter the new text. When you press enter, the textarea is replaced with the original element with its innerHTML updated. The demo of the script is here: http://iambot.net/demo/editable/ Now the problem is with the inline table editing. It works perfectly on FF 3.6, but on Chrome/Safari, once the value of a cell is updated, the position of the updated cell shifts to the right by the width of a cell.(Just try the demo in Chrome/Safari) It totally messes up the whole table. I am a beginner in CSS and not able to identify where exactly I'm going wrong. Any help/pointers appreciated! Thanks.

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• Button height rendering inconsistency in Firefox - why are input elements taller?

  - by George Edison

  Consider the following two elements: <button type="submit" class="button">Test</button> <a href="#" class="button">Test 2</a> ...which use the following style definition: .button { background-color: yellow; color: white; border: 1px solid orange; display: inline-block; font-size: 24pt; padding: 2px 16px; text-decoration: none; } This produces two buttons beside each other with an equal height in Chrome. However, Firefox renders the button on the left with a height 1px greater than the button on the right (the <a>): (I've enlarged the image above by 2x.) What do I need to do to get the two buttons to have the same height? It seems like the font-size is causing the problem - but I need that attribute. Fiddle: http://jsfiddle.net/FfRPY/

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• This code works fine in Chrome, Firefox but not in IE.

  - by Jeddizero

  Hi, I'm trying to make a jquery tooltip that appears when a user mouses over a link. In my case the link is using display:block style so that it covers a large area. It works perfectly in Chrome and Firefox but in Internet Explorer it doesn't work at all. The tooltip doesn't show, the browsers own tooltip shows etc... IE!!!! http://pastebin.com/1kBaMujV Any ideas? Got to love internet explorer...

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• Macro C++ Issues __VA_ARGS__

  - by CodeLizard

  What (if any) are some potential problems with a C++ macro usage like this? Would an inline function be a more appropriate solution? #define EVENT_INFO(_format_, ...) CMyEvent::Generate(__FILE__, __LINE__, CMyEvent::EVT_HIGH, _format_, __VA_ARGS__) void CMyEvent::Generate( const char* file, // filename int line, // line number CMyEvent::LEVEL level, // severity level const char *format, // format of the msg / data ...) // variable arguments { // Get a message from the pool CMyEvent* p_msg = GetMessageFromPool(); if(p_msg != NULL) { va_list arguments; // points to each unnamed argument va_start(arguments, format); // Fill the object with strings and data. p_msg->Fill(file, line, level, 0, format, arguments); va_end(arguments); } }

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• Not initializing ints in C++

  - by guest

  If I have a block of code in a for loop that looks like total1 += i * i;, I get a weird, long value in total1 even if i increments from 1 to 10. However, this only happens if I don't do int total1 = 0;. This makes me wonder, what happens if I don't do that and why do I get a number in the 2 billions instead? (Though it's not the max value in an int either).

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• CSS - How to align 2 fields into 1 row?

  - by user1809157

  I'm newbie in css. My jsfiddle here http://jsfiddle.net/PAHdH/ <div> <label>Name: </label><p>John</p> <label>Age: </label><p>35</p> <label>Level: </label><p>60</p> <label>Score: </label><p>5000</p> </div> label{ display: inline-block; float: left; clear: left; width: 150px; text-align: left; color:black; } p {margin-bottom:2px; padding:0;} ? I would like to change to Name: John Age: 35 Level: 60 Score: 5000 It should be like a table with 4 columns.

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• Not initilizaing ints in C++

  - by guest

  If I have a block of code in a for loop that looks like total1+= i*i;, I get a weird, long value in total1 even if i increments from 1 to 10. However, this only happens if I don't do int total1=0;. This makes me wonder, what happens if I don't do that and why do I get a number in the 2 billions instead? (Though it's not the max value in an int either).

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• Timing issue with jQuery and $(document).ready()

  - by ripper234

  I have the following code block code when the document is ready: $(document).ready(function() { createDivs(); // creates some divs with class 'foo'; // iterate $(".foo").each(function(index) { alert(index + " - " + $(this).text()); }); } I find that the "iterate" part misses the divs I created in the createDivs() method entirely! Is there some timing issue I'm not aware of? Why doesn't jquery see the divs that were just created?

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• error - inherited class field undeclared according to g++

  - by infoholic_anonymous

  I have a code that has the following logic. g++ gives me the error that I have not declared n in my iterator2. What could be wrong? template <typename T> class List{ template <typename TT> class Node; Node<T> *head; /* (...) */ template <bool D> class iterator1{ protected: Node<T> n; public: iterator1( Node<T> *nn ) { n = nn } /* (...) */ }; template <bool D> class iterator2 : public iterator1<D>{ public: iterator2( Node<T> *nn ) : iterator1<D>( nn ) {} void fun( Node<T> *nn ) { n = nn; } /* (...) */ }; }; EDIT : I attach the actual header file. iterator1 would be iterable_frame and iterator2 - switchable_frame. #ifndef LST_H #define LST_H template <typename T> class List { public: template <typename TT> class Node; private: Node<T> *head; public: List() { head = new Node<T>; } ~List() { empty_list(); delete head; } List( const List &l ); inline bool is_empty() const { return head->next[0] == head; } void empty_list(); template <bool DIM> class iterable_frame { protected: Node<T> *head; Node<T> **caret; public: iterable_frame( const List &l ) { head = *(caret = &l.head); } iterable_frame( const iterable_frame &i ) { head = *(caret = i.caret); } ~iterable_frame() {} /* (...) - a few methods follow */ template <bool _DIM> friend class supervised_frame; }; template <bool DIM> class switchable_frame : public iterable_frame<DIM> { Node<T> *main_head; public: switchable_frame( const List& l ) : iterable_frame<DIM>(l) { main_head = head; } inline bool next_frame() { caret = &head->next[!DIM]; head = *caret; return head != main_head; } }; template <bool DIM> class supervised_frame { iterable_frame<DIM> sentinels; iterable_frame<DIM> cells; public: supervised_frame( const List &l ) : sentinels(l), cells(l) {} ~supervised_frame() {} /* (...) - a few methods follow */ }; template <typename TT> class Node { unsigned index[2]; TT num; Node<TT> *next[2]; public: Node( unsigned x = 0, unsigned y = 0 ) { index[0]=x; index[1]=y; next[0] = this; next[1] = this; } Node( unsigned x, unsigned y, TT d ) { index[0]=x; index[1]=y; num=d; next[0] = this; next[1] = this; } Node( const Node &n ) { index[0] = n.index[0]; index[1] = n.index[1]; num = n.num; next[0] = next[1] = this; } ~Node() {} friend class List; }; }; #include "List.cpp" #endif the exact error log is the following: In file included from main.cpp:1: List.h: In member function ‘bool List<T>::switchable_frame<DIM>::next_frame()’: List.h:77: error: ‘caret’ was not declared in this scope

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