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• how to call javascript function

  - by Manu Jaggi

  when i click on the textbox which is inside the item template of gridview then onclick event should fire and then call the javascript function but my problem is that there no onclick event option in item template's textbox plz hel p me. <asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" OnRowCommand="GridView2_RowCommand" Width="100%" GridLines="None" style="font-family: Tahoma; font-size: xx-small" Font-Names="Tahoma" Font-Size="XX-Small"> <Columns> <asp:BoundField HeaderText="Status" DataField="Status" HeaderStyle-HorizontalAlign="Left" ItemStyle-HorizontalAlign="Left"> <HeaderStyle HorizontalAlign="Left"></HeaderStyle> <ItemStyle HorizontalAlign="Left"></ItemStyle> </asp:BoundField> <asp:TemplateField HeaderText="Order" > <ItemTemplate> <asp:TextBox ID="TextBox1" Text='<%#Eval("ArticleOrder")%>' ReadOnly="true" runat="server" Height="18px" Width="16px" onclick="hello();" > </asp:TextBox> </ItemTemplate> <HeaderStyle HorizontalAlign="Left" /> </asp:TemplateField> <%--<asp:BoundField HeaderText="Order" DataField="ArticleOrder" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center"> <HeaderStyle HorizontalAlign="Center"></HeaderStyle> <ItemStyle HorizontalAlign="Center"></ItemStyle> </asp:BoundField>--%> <asp:BoundField HeaderText="Title" DataField="ArticleTitle" HeaderStyle-HorizontalAlign="Left" ItemStyle-HorizontalAlign="Left"> <HeaderStyle HorizontalAlign="Left"></HeaderStyle> <ItemStyle HorizontalAlign="Left"></ItemStyle> </asp:BoundField> <asp:TemplateField HeaderText="Edit" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center"> <ItemTemplate> <asp:ImageButton ID="ImageButtonedt" runat="server" ImageUrl="~/images/newspaper_go.png" CommandName="edt" CommandArgument='<%#Eval("ArticleID")%>' /> </ItemTemplate> <HeaderStyle HorizontalAlign="Center"></HeaderStyle> <ItemStyle HorizontalAlign="Center"></ItemStyle> </asp:TemplateField> <asp:TemplateField HeaderText="Delete" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center"> <ItemTemplate> <asp:ImageButton ID="ImageButtondel" runat="server" ImageUrl="~/images/newspaper_delete.png" CommandName="del" OnClientClick='return confirm("Are you sure you want to delete ?");' CommandArgument='<%#Eval("ArticleID")%>' /> </ItemTemplate> <HeaderStyle HorizontalAlign="Center"></HeaderStyle> <ItemStyle HorizontalAlign="Center"></ItemStyle> </asp:TemplateField> </Columns> </asp:GridView> javascript function: hello() { var divName = document.getElementById('div1'); var divFade = document.getElementById('fade'); divName.style.display = 'block'; divFade.style.display = 'block'; }

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• Non-Dom Element Event Binding with jQuery

  - by Rick Strahl

  Yesterday I had a short discussion with Dave Reed on Twitter regarding setting up fake ‘events’ on objects that are hookable. jQuery makes it real easy to bind events on DOM elements and with a little bit of extra work (that I didn’t know about) you can also set up binding to non-DOM element ‘event’ bindings. Assume for a second that you have a simple JavaScript object like this: var item = { sku: "wwhelp" , foo: function() { alert('orginal foo function'); } }; and you want to be notified when the foo function is called. You can use jQuery to bind the handler like this: $(item).bind("foo", function () { alert('foo Hook called'); } ); Binding alone won’t actually cause the handler to be triggered so when you call: item.foo(); you only get the ‘original’ message. In order to fire both the original handler and the bound event hook you have to use the .trigger() function: $(item).trigger("foo"); Now if you do the following complete sequence: var item = { sku: "wwhelp" , foo: function() { alert('orginal foo function'); } }; $(item).bind("foo", function () { alert('foo hook called'); } ); $(item).trigger("foo"); You’ll see the ‘hook’ message first followed by the ‘original’ message fired in succession. In other words, using this mechanism you can hook standard object functions and chain events to them in a way similar to the way you can do with DOM elements. The main difference is that the ‘event’ has to be explicitly triggered in order for this to happen rather than just calling the method directly. .trigger() relies on some internal logic that checks for event bindings on the object (attached via an expando property) which .trigger() searches for in its bound event list. Once the ‘event’ is found it’s called prior to execution of the original function. This is pretty useful as it allows you to create standard JavaScript objects that can act as event handlers and are effectively hookable without having to explicitly override event definitions with JavaScript function handlers. You get all the benefits of jQuery’s event methods including the ability to hook up multiple events to the same handler function and the ability to uniquely identify each specific event instance with post fix string names (ie. .bind("MyEvent.MyName") and .unbind("MyEvent.MyName") to bind MyEvent). Watch out for an .unbind() Bug Note that there appears to be a bug with .unbind() in jQuery that doesn’t reliably unbind an event and results in a elem.removeEventListener is not a function error. The following code demonstrates: var item = { sku: "wwhelp", foo: function () { alert('orginal foo function'); } }; $(item).bind("foo.first", function () { alert('foo hook called'); }); $(item).bind("foo.second", function () { alert('foo hook2 called'); }); $(item).trigger("foo"); setTimeout(function () { $(item).unbind("foo"); // $(item).unbind("foo.first"); // $(item).unbind("foo.second"); $(item).trigger("foo"); }, 3000); The setTimeout call delays the unbinding and is supposed to remove the event binding on the foo function. It fails both with the foo only value (both if assigned only as “foo” or “foo.first/second” as well as when removing both of the postfixed event handlers explicitly. Oddly the following that removes only one of the two handlers works: setTimeout(function () { //$(item).unbind("foo"); $(item).unbind("foo.first"); // $(item).unbind("foo.second"); $(item).trigger("foo"); }, 3000); this actually works which is weird as the code in unbind tries to unbind using a DOM method that doesn’t exist. <shrug> A partial workaround for unbinding all ‘foo’ events is the following: setTimeout(function () { $.event.special.foo = { teardown: function () { alert('teardown'); return true; } }; $(item).unbind("foo"); $(item).trigger("foo"); }, 3000); which is a bit cryptic to say the least but it seems to work more reliably. I can’t take credit for any of this – thanks to Dave Reed and Damien Edwards who pointed out some of these behaviors. I didn’t find any good descriptions of the process so thought it’d be good to write it down here. Hope some of you find this helpful.© Rick Strahl, West Wind Technologies, 2005-2010Posted in jQuery  

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• I am a beginner to C and this is the dumbest question..Confused about getchar() function

  - by happysoul

  Sorry if I am not supposed to post beginner level questions here..I am new to this site Please read the code below first I am confused about getchar() 's role in the following code.. I mean I know its helping me see the output window which will only be closed when I press enter key So getchar() is basically waiting for me to press enter and then reads a single character .. Now my question.. what is that single character this function is reading ?? I did not press any key from the keyboard for it to read Now when its not reading anything..why it does not give an error saying hey u didn't enter anything for me to read ..lol...(told u its a dumb question) #include <stdio.h> int main() { printf( "blah \n" ); getchar(); return 0; }

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• Checkbox not being checked when running function

  - by Rudiger

  I have a checkbox that when it is clicked it submits the form to the server to store the detail. All works fine except that after the form is submitted I update a div to say submitted but the checkbox isn't ticked. The page isn't refreshed of course and upon page refresh it is ticked. I thought I might be able to check the box myself as I'm using jQuery but I have a lot of these checkboxes each with a dynamic name so I'm not sure how I would call them. I thought something like: $('input[name=("favourite" + id)]').attr('checked', true); might work but no luck. If I don't call the function on the checkbox being ticked the checkbox behaves normally. Thanks for anything that could help.

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• Minimax algorithm: Cost/evaluation function?

  - by Dave

  Hi guys, A school project has me writing a Date game in C++ (example at http://www.cut-the-knot.org/Curriculum/Games/Date.shtml) where the computer player must implement a Minimax algorithm with alpha-beta pruning. Thus far, I understand what the goal is behind the algorithm in terms of maximizing potential gains while assuming the opponent will minify them. However, none of the resources I read helped me understand how to design the evaluation function the minimax bases all it's decisions on. All the examples have had arbitrary numbers assigned to the leaf nodes, however, I need to actually assign meaningful values to those nodes. Intuition tells me it'd be something like +1 for a win leaf node, and -1 for a loss, but how do intermediate nodes evaluate? Any help would be most appreciated.

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• My delete function does not delete the targeted file

  - by Chester Sabado

  Basically I could upload files based on a project. Whenever I create a project, a new directory is created with the directory name as the project_name e.g. this is a test - this-is-a-test. But my problem is I couldn't delete a file in a directory. function delete_image($id) { $this->load->model(array('work_model', 'project_model')); $result = $this->work_model->get_work($id); $result = $this->project_model->get_project($result->project_id); $dir = str_replace(" ", "-", $result->project_name); $result = $this->work_model->delete($id); if (isset($result)){ unlink('./uploads/' . $dir . '/' . $result->full_path); } redirect('admin/project/view_project/' . $result->project_id); } Need help on this thanks.

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• How to define a function in ghci across multiple lines

  - by Peter McGrattan

  I'm trying to define any simple function that spans multiple lines in ghci, take the following as an example: let abs n | n >= 0 = n | otherwise = -n So far I've tried pressing Enter after the first line: Prelude> let abs n | n >= 0 = n Prelude> | otherwise = -n <interactive>:1:0: parse error on input `|' I've also attempted to use the :{ and :} commands but I don't get far: Prelude> :{ unknown command ':{' use :? for help. I'm using GHC Interactive version 6.6 for Haskell 98 on Linux, what am I missing?

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• jQuery UI " $("#datepicker").datepicker is not a function"

  - by burnt1ce

  When i use DatePicker, jQuery's UI plugin, in an existing .aspx page i get errors that "$("#datepicker").datepicker is not a function". However, when I copy and paste the same code that creates and uses the DatePicker to an html file that's also in the same directory as the aspx page, it works flawlessly. This leads me to assume that there are some JS files in the aspx page that's preventing the DatePicker or maybe jQuery's UI JS files to load properly. Can anyone confirm my beliefs or provide any tips on finding the culprit that's interfering with jQuery's UI plugins?

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• SubSonic Alias/Where Clause

  - by JohnBob

  Hey, I want to convert the following SQL Query to a SubSonic Query. SELECT [dbo].[tbl_Agency].[ParentCompanyID] FROM [dbo].[tbl_Agency] WHERE REPLACE(PhoneNumber, ' ', '') LIKE REPLACE('%9481 1111%', ' ', '') I thought I would do it like below, but I just can't get it to produce valid SQL. //SubSonic string agencyPhoneNumber = "9481 1111"; SubSonic.SqlQuery subQueryagencyPhoneNumber = new SubSonic.Select(Agency.ParentCompanyIDColumn.ColumnName); subQueryagencyPhoneNumber.From(Agency.Schema.TableName); //WHERE subQueryagencyPhoneNumber.Where("REPLACE(" + Agency.PhoneNumberColumn.ColumnName + ", ' ', '')").Like("%" + agencyPhoneNumber + "%"); Does anyone out there know how to fix this - I'm using SubSonic 2.2. I feel like I'm taking crazy pills here - this should be straightforward, right? Cheers, JohnBob

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• Warning: array_multisort() [function.array-multisort]: Argument #1 is expected to be an array or a

  - by johnny

  Hi, the following code produces the error in the title. I've tried to google it, but all I got were pages who got the same error (and not an explanation thereof). This isn't really a problem since it's actually working and cancelling the error out with the @ works out just fine. Though I'm still wondering why I haven't been able to execute array_multisort just once without getting this error. public function getMostRelevant(){ list($occurrences, $keywords) = $this->occurr_keyw_array; array_multisort($occurrences, SORT_DESC, SORT_NUMERIC, $keywords); $return_array = array( array($occurrences[0], $keywords[0]), array($occurrences[1], $keywords[1]), array($occurrences[2], $keywords[2]) ); return $return_array; }

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• Cake bake undefined function mysql_query on easyphp

  - by fabbrillo

  Hi, when i try to use the shell to build models cake bake M i get this error: Fatal error: Call to undefined function mysql_query() in C:\Program Files\EasyPH P-5.3.2\www\cake\cake\libs\model\datasources\dbo\dbo_mysql.php on line 588 on phpinfo(); mysql extension is enabled, i'm using mysql driver running if(!function_exists('mysql_query')) echo 'error'; else echo 'all fine'; on a separate file prints all fine but on dbo_mysql.php just before line 588 prints error i believe the database configuration is correct as on http://127.0.0.1/cake/ it says Your database configuration file is present. and Cake is able to connect to the database. i'm using the latest stable version of cakephp and easyphp on windows xp pro sp3, paths are setted correctly any idea? thank you

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• Google's 'go' and scope/functions

  - by danwoods

  In one of the example servers given at golang.org: package main import ( "flag" "http" "io" "log" "template" ) var addr = flag.String("addr", ":1718", "http service address") // Q=17, R=18 var fmap = template.FormatterMap{ "html": template.HTMLFormatter, "url+html": UrlHtmlFormatter, } var templ = template.MustParse(templateStr, fmap) func main() { flag.Parse() http.Handle("/", http.HandlerFunc(QR)) err := http.ListenAndServe(*addr, nil) if err != nil { log.Exit("ListenAndServe:", err) } } func QR(c *http.Conn, req *http.Request) { templ.Execute(req.FormValue("s"), c) } func UrlHtmlFormatter(w io.Writer, v interface{}, fmt string) { template.HTMLEscape(w, []byte(http.URLEscape(v.(string)))) } const templateStr = ` <html> <head> <title>QR Link Generator</title> </head> <body> {.section @} <img src="http://chart.apis.google.com/chart?chs=300x300&cht=qr&choe=UTF- 8&chl={@|url+html}" /> <br> {@|html} <br> <br> {.end} <form action="/" name=f method="GET"><input maxLength=1024 size=70 name=s value="" title="Text to QR Encode"><input type=submit value="Show QR" name=qr> </form> </body> </html> ` Why is template.HTMLEscape(w, []byte(http.URLEscape(v.(string)))) contained within UrlHtmlFormatter? Why can't it be directly linked to "url+html"?

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• Anonymous methods/functions: a fundamental feature or a violation of OO principles?

  - by RD1

  Is the recent movement towards anonymous methods/functions by mainstream languages like perl and C# something important, or a weird feature that violates OO principles? Are recent libraries like the most recent version of Intel's Thread Building Blocks and Microsofts PPL and Linq that depend on such things a good thing, or not? Are languages that currently reject anonymous methods/functions, like Java, making wise choices in sticking with a purely OO model, or are they falling behind by lacking a fundamental programming feature?

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• Validation plugin hijacks click function?

  - by timkl

  Absolute newbie question, any help is highly appreciated :) I am using curvycorners (http://www.curvycorners.net/) in combination with the jQuery validation plugin (http://bassistance.de/jquery-plugins/jquery-plugin-validation/), and I'm having problems getting the div to redraw the rounded corners when I do like this: $("input[type='submit']").click(function(e) { curvyCorners.redraw(); }); When I click the submit-button the first time the form validates, the validation error-message pops up and expands the div, causing the layout to go ugly. However when I click on it the second time the rounded corners redraw nicely. Could it be that my validation plugin hijacks my initial click? How do I go about this? Any hint is very much appreciated.

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• ASP.NEt MVC 2 Client validation function in Ajax form

  - by user295541

  Hello, My problem is the following: I'm using client validation function of the MVC 2.0 framework. Everything is nice, when I use the validation in a simple form. But when I use an Ajax form, and I update the fields of the ajax form. After the client validation dosen't work. Exactly: the ajax postback is not fired, but the validation message is not shown. I think about, I have to refresh the validation after the ajax call but I dont know how I should do it. Anybody can help me?

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• how to echo data that we read with file_get_contents

  - by Ronnie Chester Lynwood

  hello. im trying to echo YH if $url contains http://yahoo.com/ ! how can i do it? I've tried something like this; $url = "'".$get['url']."'"; $needle = "http://yahoo.com/"; $contents = file_get_contents($url); if(stripos($contents, $needle) !== false) { $qqq = "YH"; } but it's not working. can anybody help me with true syntax? thanks..

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• Traversing Scheme function as a list

  - by csl

  Isn't it possible to treat functions in Scheme as any other list? Basically, what I want do to is something like this: (define (foo) "hello") (cdr foo) ; or similar, should return the list ((foo) "hello") I've found a similar discussion about this, and I feel a bit disappointed if this is not possible with Scheme. If so, why is this impossible? Is it possible in other lisps? EDIT: Changed (cdr 'foo) to (cdr foo) -- it was misleading. I'm asking, why can't I access a function as a list?

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• mutating, trigger/function may not see it- error during execution of trigger

  - by mahesh soni

  CREATE OR REPLACE TRIGGER UPDATE_TEST_280510 AFTER insert on TEST_TRNCOMPVISIT declare V_TRNCOMPNO NUMBER(10); CURSOR C1 IS SELECT B.COMPNO FROM TEST_TRNCOMPVISIT A, TEST_TRNCOMPMST B, TEST_MEMMAST C WHERE A.COMPNO=B.COMPNO AND B.TRNMEMID=C.MEMID AND C.MEMOS=1000; begin open c1; fetch c1 into V_TRNCOMPNO; UPDATE TEST_TRNCOMPMST SET COMPSTATUS='P', remark='comp is pending due to O/S1000' WHERE COMPNO=V_TRNCOMPNO AND COMPSTATUS='C'; CLOSE C1; end; I have made this trigger and while insert the row in table- TEST_TRNCOMPVISIT it gives following error- The following error has occurred: ORA-04091: table TEST.TEST_TRNCOMPVISIT is mutating, trigger/function may not see it ORA-06512: at "TEST.UPDATE_TEST_280510", line 4 ORA-06512: at "TEST.UPDATE_TEST_280510", line 10 ORA-04088: error during execution of trigger 'TEST.UPDATE_TEST_280510' Kindly suggest over this. MaheshA.....

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• getting "implicit declaration of function 'fcloseall' is invalid in C99" when compiling to gnu99

  - by Emanuel Ey

  Consider the following C code: #include <stdio.h> #include <stdlib.h> void fatal(const char* message){ /* Prints a message and terminates the program. Closes all open i/o streams before exiting. */ printf("%s\n", message); fcloseall(); exit(EXIT_FAILURE); } I'm using clang 2.8 to compile: clang -Wall -std=gnu99 -o <executable> <source.c> And get: implicit declaration of function 'fcloseall' is invalid in C99 Which is true, but i'm explicitly compiling to gnu99 [which should support fcloseall()], and not to c99. Although the code runs, I don like the have unresolved warnings when compiling. How can i solve this?

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• Boost bind function

  - by Gokul

  Hi, I have a abstract base class A and a set of 10 derived classes. The infix operator is overloaded in all of the derived classes class A{ void printNode( std::ostream& os ) { this->printNode_p(); } void printNode_p( std::ostream& os ) { os << (*this); } }; There is a container which stores the base class pointers. I want to use boost::bind function to call the overloaded infix operator in each of its derived class. I have written like this std::vector<A*> m_args .... std::ostream os; for_each( m_args.begin(), m_args.end(), bind(&A::printNode, _1, os) ); What is the problem with this code? Thanks, Gokul.

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• Method signature Vs function prototype

  - by Maroloccio

  A formal definition of the two? Current Wiki articles denote their different contexts and applications, such as internal type signature "strings" in Java VMs (1) and C/C++ function prototypes informing compilers of upcoming method definitions (2) but... 1) http://en.wikipedia.org/wiki/Type_signature 2) http://en.wikipedia.org/wiki/Function_prototype ... where to look for a definition which clearly and formally distinguished one from the other? There is literature using the words prototype and signature almost interchangeably yet other uses appear strict and consistent, if language-specific. Background: I am writing documentation for a sample compiler written for a University project.

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• jquery use return data from 2 functions in another function ---always get undefined. why ??

  - by user253530

  Function socialbookmarksTableData(data) is called by another function to generate the content of a table -- data is a JSON object. Inside the function i call 2 other functions that use getJSON and POST (with json as a return object) to get some data. The problem is: though the functions execute correctly i get undefined value for the 2 variables (bookmarkingSites, bookmarkCategories). Help with a solution please. function socialbookmarksGetBookmarkCategories(bookmarkID) { var toReturn = ''; $.post("php/socialbookmark-get-bookmark-categories.php",{ bookmarkID: bookmarkID },function(data){ $.each(data,function(i,categID){ toReturn += '<option value ="' + data[i].categID + '">' + data[i].categName + '</option>'; }) return toReturn; },"JSON"); } function socialbookmarksGetBookmarkSites() { var bookmarkingSites = ''; $.getJSON("php/socialbookmark-get-bookmarking-sites.php",function(bookmarks){ for(var i = 0; i < bookmarks.length; i++){ //alert( bookmarks[i].id); bookmarkingSites += '<option value = "' + bookmarks[i].id + '">' + bookmarks[i].title + '</option>'; } return bookmarkingSites; }); } function socialbookmarksTableData(data) { var toAppend = ''; var bookmarkingSites = socialbookmarksGetBookmarkSites(); $.each(data.results, function(i, id){ var bookmarkCategories = socialbookmarksGetBookmarkCategories(data.results[i].bookmarkID); //rest of the code is not important }); $("#searchTable tbody").append(toAppend); }

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• How to provide stl like container with public const iterator and private non-const iterator?

  - by WilliamKF

  Hello, I am deriving a class privately from std::list and wish to provide public begin() and end() for const_iterator and private begin() and end() for just plain iterator. However, the compiler is seeing the private version and complaining that it is private instead of using the public const version. I understand that C++ will not overload on return type (in this case const_iterator and iterator) and thus it is choosing the non-const version since my object is not const. Short of casting my object to const before calling begin() or not overloading the name begin is there a way to accomplish this? I would think this is a known pattern that folks have solved before and would like to follow suit as to how this is typically solved. class myObject; class myContainer : private std::list<myObject> { public: typedef std::list<myObject>::const_iterator myContainer::const_iterator; private: typedef std::list<myObject>::iterator myContainer::iterator; public: myContainer::const_iterator begin() const { return std::list<myObject>::begin(); } myContainer::const_iterator end() const { return std::list<myObject>::end(); } private: myContainer::iterator begin() { return std::list<myObject>::begin(); } myContainer::iterator end() { return std::list<myObject>::end(); } }; void myFunction(myContainer &container) { myContainer::const_iterator aItr = container.begin(); myContainer::const_iterator aEndItr = container.end(); for (; aItr != aEndItr; ++aItr) { const myObject &item = *aItr; // Do something const on container's contents. } } The error from the compiler is something like this: ../../src/example.h:447: error: `std::_List_iterator<myObject> myContainer::begin()' is private caller.cpp:2393: error: within this context ../../src/example.h:450: error: `std::_List_iterator<myObject> myContainer::end()' is private caller.cpp:2394: error: within this context Thanks. -William

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• Mpi function define

  - by Simone

  I wrote a program in c using MPI (Message Passing Inteface) that compute recursively the inverse of a lower triangular matrix. Every cpu sends 2 submatrices to other two cpus, they compute them and they give them back to the cpu caller. When the cpu caller has its submatrices it has to perform a matrix multiplication. In the recurrence equation the bottle neck is matrix multiplication. I implemented parallel multiplication with mpi in c but i'm not able to embed it into a function. Is it possible? thanks, Simone

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• Is it possible to create a generic Util Function to be used in Eval Page

  - by Nassign

  I am currently binding a Nullable bit column to a listview control. When you declare a list view item I need to handle the case when the null value is used instead of just true or false. <asp:Checkbox ID="Chk1" runat="server" Checked='<%# HandleNullableBool(Eval("IsUsed")) %>' /> Then in the page I add a HandleNullableBool() function inside the ASPX page. protected static bool HandleNullableBool(object value) { return (value == null) ? false : (bool)value; } This works fine but I need to use this in several pages so I tried creating a utility class with a static HandleNullableBool. But using it in the asp page does not work. Is there a way to do this in another class instead of the ASPX page? <asp:Checkbox ID="Chk1" runat="server" Checked='<%# Util.HandleNullableBool(Eval("IsUsed")) %>' />

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