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• Listening and firing events with Javascript and maybe jQuery

  - by at

  In my Javascript and Flex applications, users often perform actions that I want other Javascript code on the page to listen for. For example, if someone adds a friend. I want my Javascript app to then call something like triggerEvent("addedFriend", name);. Then any other code that was listening for the "addedFriend" event will get called along with the name. Is there a built-in Javascript mechanism for handling events? I'm ok with using jQuery for this too and I know jQuery makes extensive use of events. But with jQuery, it seems that its event mechanism is all based around elements. As I understand, you have to tie a custom event to an element. I guess I can do that to a dummy element, but my need has nothing to do with DOM elements on a webpage. Should I just implement this event mechanism myself?

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• exe files and Python

  - by Sorush Rabiee

  i have some questions about python: 1- How to build .exe files from .py files? 2- How to run a program with arguments and receive the result by python code? 3- How to load .NET library in python code (or write python in VS.NET IDE [!?])? 4- is built-in integer of python 3.1 something like a string? it calculates 200! in less than one second and calculates 2^1 to 2^7036 (by a simple recursive algorithm & writing them to a text file) with a 1.75GHz cpu in 4 minuets, so if it is a string, how it can be so fast like this? is there a great difference between memory type and logical calculation of python with c++? 5- what is the best python practice? how can i be an expert?

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• compile AMR-nb codec with RVCT for WinCE/Window Mobile

  - by pps

  Hello everybody, I'm working on amr speech codec (porting/optimization) I have an arm (for WinCE) optimized version from voiceage and I use it as a reference in performance testing. So far, binary produced with my lib beats the other one by around 20-30%! I use Vs2008 and I have limited access to ARM instruction set I can generate with Microsoft compiler. So I tried to look for alternative compiler to see what would be performance difference. I have RVCT compiler, but it produces elf binaries/object files. However, I run my test on a wince mobile phone (TyTn 2) so I need to find a way to run code compiled with RVCT on WinCE. Some of the options are 1) to produce assembly listing (-S option of armcc), and try to assemble with some other assembler that can create COFF (MS assembler for arm) 2) compile and convert generated ELF object file to COFF object (seems like objcopy of gnu binutils could help me with that) 3) using fromelf utility supplied by RVCT create BIN file and somehow try to mangle the bits so I can execute them ;) My first attempt is to create a simple c++ file with one exported function, compile it with RVCT and then try to run that function on the smartphone. The emitted assembly cannot be assembled by the ms assembler (not only they are not compatible, but also ms assembler rejects some of the instructions generated with RVCT compiler; ASR opcode in my case) Then I tried to convert ELF object to coff format and I can't find any information on that. There is a gcc port for ce and objcopy from that toolset is supposed to be able to do the task. However, I can't get it working. I tried different switches, but I have no idea what exactly I need to specify as bfdname for input and output format. So, I couldn't get it working either. Dumping with fromelf and using generated bin file seems to be overkill, so I decided to ask you guys if there is anything I should try to do or maybe someone has already done similar task and could help me. Basically, all I want to do is to compile my code with RVCT compiler and see what's the performance difference. My code has zero dependencies on any c runtime functions. thanks!

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• Having template function defination in cpp file - Not work for VC6

  - by Yan Cheng CHEOK

  I have the following source code : // main.cpp #include "a.h" int main() { A::push(100); } // a.cpp #include "a.h" template <class T> void A::push(T t) { } template void A::push(int t); // a.h #ifndef A_H class A { public: template <class T> static void push(T t); }; #endif The code compiled charming and no problem under VC2008. But when come to my beloved VC6, it give me error : main.obj : error LNK2001: unresolved external symbol "public: static void __cdecl A::push(int)" (?push@A@@SAXH@Z) Any workaround? I just want to ensure my function definition is re-inside cpp file.

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• Decimal to binary (and vice-versa)

  - by Codeguru

  Can anybody give an example of c++ code that can easily convert a decimal value to binary and a binary value to decimal please?

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• How to test COM object integrity automatically?

  - by sharptooth

  Every COM object must have integrity. In simplified terms this means that if an object implements 3 interfaces - A, B and C and I have A* pointer to the object I must be able to successfully QueryInterface() both B and C and having B I must be able to retrieve A and C and having C I must be able to retrieve A and B. Now my object implements 5 interfaces and I want to test its integrity. Writing checks for all of the above myself will require a substantial effort. Is there a tool or some easily tweakable code or a code pattern that would do it?

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• Rich Tooltip for SelectItem, error when including EL in "for" attribute

  - by pakore

  How to attach a rich:tooltip to the list generated by f:selectItems when using a variable for the attribute for inside the rich:tooltip. This code works fine (the value of #{prefix} is theprefixvalue <ui:composition> <a4j:form id="#{prefix}_form"> <h:selectOneRadio style="text-align:left" id="#{prefix}_rating"> <f:selectItems value="#{test.options}"></f:selectItems> </h:selectOneRadio>&nbsp; <rich:toolTip for="theprefixvalue_form\:theprefixvalue_rating\:0">a</rich:toolTip> </a4j:form> </ui:composition> But this code does not: <ui:composition> <h:outputText value="#{prefix}" /> <a4j:form id="#{prefix}_form"> <h:selectOneRadio style="text-align:left" id="#{prefix}_rating"> <f:selectItems value="#{test.options}"></f:selectItems> </h:selectOneRadio>&nbsp; <rich:toolTip for="#{prefix}_form\:#{prefix}_rating\:0">a</rich:toolTip> </a4j:form> </ui:composition> Throws the following exception: Caused by: java.lang.IllegalArgumentException: theprefixvalue_rating at javax.faces.component.UIComponentBase.findComponent(UIComponentBase.java:612) at org.ajax4jsf.renderkit.RendererUtils.findComponentFor(RendererUtils.java:1037) at org.richfaces.renderkit.html.ToolTipRenderer.getTargetId(ToolTipRenderer.java:234) at org.richfaces.renderkit.html.ToolTipRenderer.constructJSVariable(ToolTipRenderer.java:251) ... TestBean is session scoped and this is the code for getOptions(); public List<SelectItem> getOptions(){ List<SelectItem> options = new ArrayList<SelectItem>(); options.add(new SelectItem("a","a")); options.add(new SelectItem("b","b")); options.add(new SelectItem("c","c")); return options; } Any ideas? The goal is to have a tooltip when the mouse is over the different options. Thanks in advance.

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• Scrolling when idle?

  - by Julie

  Can anyone point me to an example of code for a page that begins to automatically scroll when the user is idle for an amount of time? I think this is slightly beyond my skill set. I think JQuery or something similar might be appropriate but I just can't seem to figure it out. I'm designing a site for the nonprofit I work for and we don't have the money to hire a programmer. I wouldn't ask anyone to code anything for me, just to point me in the right direction. Thank you so much. Julie K.

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• Populating ComboBoxDataColumn items and values

  - by MarceloRamires

  I have a "populate combobox", and I'm so happy with it that I've even started using more comboboxes. It takes the combobox object by reference with the ID of the "value set" (or whatever you want to call it) from a table and adds the items and their respective values (which differ) and does the job. I've recently had the brilliant idea of using comboboxes in a gridview, and I was happy to notice that it worked JUST LIKE a single combobox, but populating all the comboboxes in the given column at the same time. ObjComboBox.Items.Add("yadayada"); //works just like ObjComboBoxColumn.Items.Add("blablabla"); But When I started planning how to populate these comboboxes I've noticed: There's no "Values" property in ComboBoxDataColumn. ObjComboBox.Values = whateverArray; //works, but the following doesn't ObjComboBoxColumn.Values = whateverArray; Questions: 0 - How do I populate it's values ? (I suspect it's just as simple, but uses another name) 1 - If it works just like a combobox, what's the explanation for not having this attribute ? -----[EDIT]------ So I've checked out Charles' quote, and I've figured I had to change my way of populating these bad boys. Instead of looping through the strings and inserting them one by one in the combobox, I should grab the fields I want to populate in a table, and set one column of the table as the "value", and other one as the "display". So I've done this: ObjComboBoxColumn.DataSource = DTConfig; //Double checked, guaranteed to be populated ObjComboBoxColumn.ValueMember = "Code"; ObjComboBoxColumn.DisplayMember = "Description"; But nothing happens, if I use the same object as so: ObjComboBoxColumn.Items.Add("StackOverflow"); It is added. There is no DataBind() function. It finds the two columns, and that's guaranteed ("Code" and "Description") and if I change their names to nonexistant ones it gives me an exception, so that's a good sign. -----[EDIT]------ I have a table in SQL Server that is something like code  |  text —————    1    | foo    2    | bar It's simple, and with other comboboxes (outside of gridviews) i've successfully populated looping through the rows and adding the texts: ObjComboBox.Items.Add(MyDataTable.Rows[I]["MyColumnName"].ToString()); And getting every value, adding it into an array, and setting it like: ObjComboBox.Values = MyArray; I'd like to populate my comboboxColumns just as simply as I do with comboboxes.

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• Best Practices for Managed SalesForce App Development?

  - by Fiid

  We're developing applications for AppExchange and are trying to figure out the best way to do development and release management. There are several issues around this: 1) Package Prefixes. We are developing code in unmanaged mode and releasing as managed, so we have to add all the package prefixes into the code. Is there a way to do this dynamically at runtime? Right now we're using an Ant script, which stops us benefitting from the force.com IDE plugin. 2) Resource files... We are doing some ajax-ey stuff and as a result have a few different resource files we upload, some of which are multiple file resources (zip files). Has anyone automated the building of these resources using ANT, and does that work well? Our environment seems very fragile and works for some developers and not others; have other people had this problem? How did you resolve it?

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• LDAP filter not being considered

  - by Ricky

  Hi there. I am performing an LDAP search query in C like so; ldap_search_ext_s(ld, BASEDN, SCOPE, FILTER, attrs, 0, NULL, NULL, NULL, LDAP_NO_LIMIT, &res); My search performs fine except when I try to specify FILTER to be; #define FILTER "uid=*", that is, when I try to run a search for all LDAP entries with a uid. Unfortunately my code just returns the first entry for each result that it finds. So, my code might find 50 results, but will return the first entry 50 times. Can anyone suspect what I might be doing wrong here? EDIT: I am stepping through my results like so: for (msg = ldap_first_message(ld, res); msg != NULL; msg = ldap_next_message(ld, msg)) Any help is really appreciated. Ricky.

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• Keystrokes in Winforms app causing window to close unexpectedly

  - by Paul Sasik

  I have a strange issue that has arisen recently: Whenever I enter text, even a single character, into a textbox in any Form in my application it causes the form and its parent to close. I've checked for the following so far: Errant/mis-assigned event handlers that may be interpreting a keystroke as a Form cancel I am using keypreview in several windows but debugging shows this to not be a cause Happens in any form of the application Happens even with brand new text boxes dropped on the form Tried removing the WithEvents declaration from text box declarations (VB.NET) The result is DialogResult.Cancel when I break the code after Show or ShowDialog The forms do not use AcceptButton or CancelButton properties (set to none) Note: I am modifying a large codebase with a lot of code that I have yet to touch What else could be causing this strange behavior?

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• How to add handler in dynamic datatemplate

  - by Phillip Ngan

  I am successfully declaring a data template in a code behind as follows: private static DataTemplate CreateTemplate(string sortMemberPath, HorizontalAlignment horzAlignment) { const string xamlFormat = "<DataTemplate xmlns=\"http://schemas.microsoft.com/winfx/2006/xaml/presentation\" >" + "<StackPanel > " + " <TextBlock Margin=\"2,0\" VerticalAlignment=\"Center\" HorizontalAlignment=\"_HALIGNMENT_\" " + " Text=\"hello there\"> " + " </TextBlock> " + "</StackPanel>" + "</DataTemplate>"; return (DataTemplate) XamlReader.Load(xamlReturned); } But now I want to add a size changed handler by changing the line: + "<StackPanel > " to + "<StackPanel SizeChanged="SizeChangedHandler" > " I have the method "SizeChangedHandler" declared in the code behind. This results in a xaml parse error when the control attempts to load at runtime. I suspect that it can't find the handler "SizeChangedHandler". How can I specify this handler so that the xaml parser is happy.

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• Superfish: How to keep sub menu open after it has been clicked

  - by Roland

  I'm having the following scenario. I have a menu and if one hovers over the menu a sub menu appears and if mouse moves out the sub menu disappears, now I want the following if I click on the on a item in the sub menu, I want the sub-menu to remain open, when the new page has been loaded. I'm using superfish Jquery plugin for this. Is this possible and if how. my code in html <div id="nav"> <div id="nav2"> <ul class="sf-menu sf-navbar "> <li> <a title="HOME" class="sf-with-ul " href="/index.php?r=site/index&amp;sid=1">HOME</a> </li> </ul> <ul class="sf-menu sf-navbar"> <li> <a href="?sid=2" id="gallery" class="sf-with-ul selected_main">GALLERY</a> <ul class="subs" id="sub1"><li class="arrow"><img src="images/arrow.gif" /></li><li><a title="Kitchens" href="/index.php?r=images/sddsd&amp;id=1">Kitchens</a></li><li><a title="Vanities" href="/index.php?r=images/sddsd&amp;id=2">Vanities</a></li></ul> </li> </ul> <ul class="sf-menu sf-navbar "> <li> <a href="?sid=3" class="sf-with-ul " >ACCESSORIES</a> <ul class="subs" id=""><li class="arrow"><img src="images/arrow.gif" /></li><li><a title="Door Handles" href="/index.php?r=images/sddsd&amp;id=2">Door Handles</a></li><li><a title="Spanners" href="/index.php?r=images/sddsd&amp;id=1">Spanners</a></li></ul> </li> </ul> <ul class="sf-menu sf-navbar "> <li> <a title="CONTACT US" class="sf-with-ul " href="/index.php?r=site/contact&amp;sid=4">CONTACT US</a> </li> </ul> </div> </div> and then the superfish code $(function(){ $("ul.sf-menu").superfish({ delay: 0, speed: 'fast', autoArrows: false, dropShadows: false }); }); I've also noticed that the following css code is used to display the item left: 0; top: 2.5em; z-index: 99;

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• mySQL date range problem

  - by StealthRT

  Hey all i am in need of a little help with figuring out how to get a range of days for my select query. Here is the code i am trying out: select id, idNumber, theDateStart, theDateEnd from clients WHERE idNumber = '010203' AND theDateStart >= '2010-04-09' AND theDateEnd <= '2010-04-09'; This is what the data in the table looks like: TheDateStart = 2010-04-09 TheDateEnd = 2010-04-11 When testing that code above, it does not populate anything. If i take out the TheEndDate, it populates but with some other tables data as well which it should not do (it should only get one record). I know the problem is within the two date's. I'm not sure how to go about getting a date range for theDateStart and theDateEnd since if someone tries it, say, on 2010-04-10, it still needs to know its within rage of the 2010-04-09 - 2010-04-11. But right now, it does not... Any help would be great! :o) David

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• Handwritten linked list is segfaulting and I don't understand why

  - by Born2Smile

  Hi I was working on a bit of fun, making an interface to run gnuplot from within c++, and for some reason the my linked list implementation fails. The code below fails on the line plots-append(&plot). Stepping through the code I discovered that for some reason the destructor ~John() is called immediately after the constructor John(), and I cannot seem to figure out why. The code included below is a stripped down version operating only on Plot*. Originally I made the linked list as a template class. And it worked fine as ll<int and ll<char* but for some reason it fails as ll<Plot*. Could youp please help me figure out why it fails? and perhaps help me understand how to make it work? In advance: Thanks a heap! //B2S #include <string.h class Plot{ char title[80]; public: Plot(){ } }; class Link{ Plot* element; Link* next; Link* prev; friend class ll; }; class ll{ Link* head; Link* tail; public: ll(){ head = tail = new Link(); head-prev = tail-prev = head-next = tail-next = head; } ~ll(){ while (head!=tail){ tail = tail-prev; delete tail-next; } delete head; } void append(Plot* element){ tail-element = element; tail-next = new Link(); tail-next-prev = tail; tail-next = tail; } }; class John{ ll* plots; public: John(){ plots= new ll(); } ~John(){ delete plots; } John(Plot* plot){ John(); plots-append(plot); } }; int main(){ Plot p; John k(&p); }

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• word doc parser

  - by user272769

  Where can I find code for a word document parser preferably in PHP or any other language

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• How to create sub category on Magento APi

  - by demonchand

  I am currently using Magento ver. 1.5.0.1. Can anyone tell me how do i create a sub category using soapv2. Here my code format category_data = { "name" => "LIGHTING", "is_active" => 1 } soap.call('catalogCategoryCreate',session,4,category_data,1, "include_in_menu") I got some errors when i run this code. : Attribute "include_in_menu" is required. (SOAP::FaultError) Is that any solution for this problem. Thanks.

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• Java System.in issue

  - by theo

  `public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (sc.hasNext()) { if (sc.next().equals("exit")){ System.out.println("EXITING"); System.exit(0); } else { System.out.println("IM STILL WORKING ok?"); } } } }` So here is a piece of code i was writing the other day to try and figure sth out (doesn't really matter what). The result of executing this code is : eIM STILL WORKING ok? eIM STILL WORKING ok? exit IM STILL WORKING ok? exit EXITING Can somebody kindly explain why this has happened?

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• conversion of assembly

  - by lego69

  hello, can somebody please explain is it possible to convert this snippet of the code to assembly of pdp11? movq %rdi, -8(%rbp) movl %esi, -12(%rbp) movl %edx, -16(%rbp) movl -16(%rbp), %eax cltq leaq 0(,%rax,4), %rdi movq -8(%rbp), %r8 movl -12(%rbp), %eax cltq leaq 0(,%rax,4), %rcx movq -8(%rbp), %rsi movl -16(%rbp), %eax cltq leaq 0(,%rax,4), %rdx movq -8(%rbp), %rax movl (%rdx,%rax), %eax addl (%rcx,%rsi), %eax movl %eax, (%rdi,%r8) movl -12(%rbp), %eax cltq leaq 0(,%rax,4), %rdi movq -8(%rbp), %r8 movl -16(%rbp), %eax cltq leaq 0(,%rax,4), %rcx movq -8(%rbp), %rsi movl -12(%rbp), %eax cltq leaq 0(,%rax,4), %rdx movq -8(%rbp), %rax movl (%rdx,%rax), %edx movl (%rcx,%rsi), %eax subl %edx, %eax movl %eax, (%rdi,%r8) movl -16(%rbp), %eax cltq leaq 0(,%rax,4), %rdi movq -8(%rbp), %r8 movl -16(%rbp), %eax cltq leaq 0(,%rax,4), %rcx movq -8(%rbp), %rsi movl -12(%rbp), %eax cltq leaq 0(,%rax,4), %rdx movq -8(%rbp), %rax movl (%rdx,%rax), %edx movl (%rcx,%rsi), %eax subl %edx, %eax movl %eax, (%rdi,%r8) leave ret it is only small part of all code that I have...

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• GIgya Native Login without using Facebook and Twitter Account

  - by Wodjefer

  Following code that i am using to login but i am getting a Null response - (IBAction) signInPressed : (id)sender { [super signInPressed:sender]; NSLog(@"ACCLoginViewController_iPhone Sign-IN Pressed"); //Load the Gigya login UI component, passing this View Controller as a delegate. GSRequest *request = [GSRequest requestForMethod:@"accounts.login"]; [request.parameters setObject:self.emailField.text forKey:@"loginID"]; [request.parameters setObject:self.passwordField.text forKey:@"password"]; request.parameters[@"loginID"] = @"email"; [request sendWithResponseHandler:^(GSResponse *response, NSError *error) { if (!error) { NSLog(@"the resposne = %@",response); } else { // Check the error code according to the GSErrorCode enum, and handle it. NSLog(@"the Error = %@",error.description); } }]; // [self loadTabbar]; }

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• Can't display multi byte string on MonoDevelop Mac OS X

  - by wataradio

  The problem is following one line code: Console.WriteLine ("?"); This results in the following output in Application Output window: ? How can I display "?" instead of "?" in Application Output window. I made sure following things: The source code encoding is UTF-8 I selected Japanese font set "Osaka Regular-Mono" (Preferences General Font) Executing the exe from a terminal, "?" is displayed correctly on terminal window On Ubuntu's MonoDevelop, "?" is displayed correctly in Application Output window Environments: MonoDevelop 2.2.2 Mono 2.6.4 Mac OS X 10.6.3

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• is it possible to issue dynamic include in asp-classic?

  - by opensas

  I mean, like php'h include... something like my_file_to_be_included = "include_me.asp" -- for what I've seen so far, there are a couple of alternatives, but every one of them has some sort of shortcoming... what I'm trying to figure out is how to make a flexible template system... without having to statically include the whole thing in a single file with a loooooong case statement... here there are a couple of links a solution using FileSysmemObject, just lets you include static pages idem yet another one same thing from adobe this approach uses Server.Execute but it has some shortcomings I'd like to avoid... seems like (haven't tried yet) Server.Execute code runs in another context, so you can't use it to load a functions your are planning to use in the caller code... nasty... same thing I think this one is the same this looks promising!!! I'm not sure about it (couldn't test it yet) but it seems like this one dinamycally handles the page to a SSDI component... any idea???

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• Jquery full calendar with events from sql database

  - by Tarun

  Hi, Can anyone give sample code in which there is interaction of jquery fullcalendar with the database

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• Build Issue with multi module project

  - by vijay.shad

  Hi, I have a multi module web project. Four modules of the project are packaged as jar and added as dependency to the fifth module, which is packaged as war. When it is time to deploy the application i just run package on the war project and my war is created with all the dependencies. Now there is a problem. One of the my module have heavy changes. Now when i created war for my projects these changes was not reflected in the output war file(the jar in lib folder of war has still the old code). Can you please point the things i am missing from the release process? Why the old code is being packaged with the war? Can you please point some good resource for real file build process using maven? Regards, Vijay

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