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  • JQuery not copying state dropdown list 1 to DDL2 on checkbox change

    - by user1001411
    I've looked at similar posts on the subject but none of the recommended solutions have worked for me so I'm not sure where I'm going wrong. I have a billing and shipping address form with a dropdown list for the state. Upon checking/unchecking the "billing address same as shipping" everything copies over except the state dropdown list. The state dropdown list is populated from a SQLDataSource state table. Here's my code: <script type="text/javascript" language="javascript" src="../Scripts/jquery-1.4.1.min.js"></script> <script type="text/javascript"> $(document).ready(function () { $('input:checkbox[id*=chkCopy]').change(function () { if ($(this).is(':checked')) { $('input:text[id*=TextBox5]').val($('input:text[id*=TextBox1]').val()); $('input:text[id*=TextBox7]').val($('input:text[id*=TextBox2]').val()); $('input:text[id*=TextBox9]').val($('input:text[id*=TextBox3]').val()); $('input:text[id*=TextBox12]').val($('input:text[id*=TextBox4]').val()); $('select#DropDownList6').val($("select#DropDownList1").val()); $('input:text[id*=TextBox14]').val($('input:text[id*=TextBox6]').val()); } else { $('input:text[id*=TextBox5]').val(''); $('input:text[id*=TextBox7]').val(''); $('input:text[id*=TextBox9]').val(''); $('input:text[id*=TextBox12]').val(''); $('select#DropDownList6').val(''); $('input:text[id*=TextBox14]').val(''); } }); }); and here is my SQL for the DDL: <asp:DropDownList ID="DropDownList1" runat="server" DataTextField="Descr" DataValueField="ID" DataSourceID="SqlDataSource1" Width="254"> </asp:DropDownList> <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ASPNETDBConnectionString1 %>" SelectCommand="SELECT * FROM [xrefState]"> </asp:SqlDataSource> the other one: <asp:DropDownList ID="DropDownList6" runat="server" DataTextField="Descr" DataValueField="ID" DataSourceID="SqlDataSource5" Width="254"> </asp:DropDownList> <asp:SqlDataSource ID="SqlDataSource5" runat="server" ConnectionString="<%$ ConnectionStrings:ASPNETDBConnectionString1 %>" SelectCommand="SELECT * FROM [xrefState]"> </asp:SqlDataSource>

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  • Accesing server control from withing app_code class

    - by OverSeven
    My question is about how to acces a server control (listbox) that is located in default.aspx. I wish to acces this control in Functions.cs (this class is located in the App_Code folder). My page structures: - 1 masterpage with 1 content holder - Default.aspx (all the controls are within the content place holder) - Functions.cs (located in App_Code) Now when i try to fill up the listbox elements i get the error "object reference not set to an instance of an object." What i have tried to gain acces to this control: (this code is located in Functions.cs in App_Code). This is basicly showing some items in the listbox that are located in the xml file private static string file = HttpContext.Current.Server.MapPath("~/App_Data/Questions.xml"); public static void ListItems() { XmlDocument XMLDoc = new XmlDocument(); XMLDoc.Load(file); XPathNavigator nav = XMLDoc.CreateNavigator(); XPathExpression expr; expr = nav.Compile("/root/file/naam"); XPathNodeIterator iterator = nav.Select(expr); //ATTEMPT to get acces to ServerControl(listbox) Page page = (Page)HttpContext.Current.Handler; ListBox test = (ListBox)page.FindControl("lbTest"); //control is called lbTest in Default.aspx test.Items.Clear(); while (iterator.MoveNext()) { test.Items.Add(iterator.Current.Value); } } Code from the default.apx file <%@ Page Title="" Language="C#" MasterPageFile="~/MasterFile.master" AutoEventWireup="true" CodeFile="default.aspx.cs" Inherits="default" Debug="true" %> <%@ MasterType TypeName="Master" %> <asp:Content ID="Content1" ContentPlaceHolderID="cphContent" Runat="Server" > <asp:MultiView ID="mvTest" runat="server" > <asp:View ID="vCollection" runat="server"> <asp:ListBox ID="lbTest" runat="server" CssClass="listbox" ></asp:ListBox> </asp:View> </asp:MultiView> </asp:Content> The masterfile itself just has 1 placeholder. Then i call upon the funcion ListItems in the Default.aspx.cs file protected void Page_Load(object sender, EventArgs e) { Functions.ListItems(); } Regards.

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  • Inlining an array of non-default constructible objects in a C++ class

    - by porgarmingduod
    C++ doesn't allow a class containing an array of items that are not default constructible: class Gordian { public: int member; Gordian(int must_have_variable) : member(must_have_variable) {} }; class Knot { Gordian* pointer_array[8]; // Sure, this works. Gordian inlined_array[8]; // Won't compile. Can't be initialized. }; As even beginner C++ users know, the language guarantees that all members are initialized when constructing a class. And it doesn't trust the user to initialize everything in the constructor - one has to provide valid arguments to the constructors of all members before the body of the constructor even starts. Generally, that's a great idea as far as I'm concerned, but I've come across a situation where it would be a lot easier if I could actually have an array of non-default constructible objects. The obvious solution: Have an array of pointers to the objects. This is not optimal in my case, as I am using shared memory. It would force me to do extra allocation from an already contended resource (that is, the shared memory). The entire reason I want to have the array inlined in the object is to reduce the number of allocations. This is a situation where I would be willing to use a hack, even an ugly one, provided it works. One possible hack I am thinking about would be: class Knot { public: struct dummy { char padding[sizeof(Gordian)]; }; dummy inlined_array[8]; Gordian* get(int index) { return reinterpret_cast<Gordian*>(&inlined_array[index]); } Knot() { for (int x = 0; x != 8; x++) { new (get(x)) Gordian(x*x); } } }; Sure, it compiles, but I'm not exactly an experienced C++ programmer. That is, I couldn't possibly trust my hacks less. So, the questions: 1) Does the hack I came up with seem workable? What are the issues? (I'm mainly concerned with C++0x on newer versions of GCC). 2) Is there a better way to inline an array of non-default constructible objects in a class?

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  • Ajax gets nothing back from the php.

    - by ShaMun
    Jquery i dont have alert and firefox i dont have anything in return. The code was working before, database query have successfull records also. What i am missing??? Jquery ajax. $.ajax({ type : "POST", url : "include/add_edit_del.php?model=teksten_display", data : "oper=search&ids=" + _id , dataType: "json", success : function(msg){ alert(msg); } }); PHP case 'teksten_display': $id = $_REQUEST['ids']; $res = $_dclass-_query_sql( "select a,b,id,wat,c,d from tb1 where id='" . $id . "'" ); $_rows = array(); while ( $rows = mysql_fetch_array ($res) ) { $_rows = $rows; } //header('Cache-Control: no-cache, must-revalidate'); //header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); header('Content-type: application/json'); echo utf8_encode( json_encode($_rows) ) ; //echo json_encode($_rows); //var_dump($_rows); //print_r ($res); break; Firefox response/request header Date Sat, 24 Apr 2010 22:34:55 GMT Server Apache/2.2.3 (CentOS) X-Powered-By PHP/5.1.6 Expires Thu, 19 Nov 1981 08:52:00 GMT Cache-Control no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma no-cache Content-Length 0 Connection close Content-Type application/json Host www.xxxx.be User-Agent Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.5.9-2.fc12 Firefox/3.5.9 Accept application/json, text/javascript, */* Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 300 Connection keep-alive Content-Type application/x-www-form-urlencoded; charset=UTF-8 X-Requested-With XMLHttpRequest Referer http://www.xxxx.be/xxxxx Content-Length 17 Cookie csdb=2; codb=5; csdbb=1; codca=1.4; csdca=3; PHPSESSID=benunvkpecqh3pmd8oep5b55t7; CAKEPHP=3t7hrlc89emvg1hfsc45gs2bl2

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  • Javascript auto calculating with (+) and (-)

    - by Josh
    I need some help finding the error in my javascript calculation. I need to calculate the sum of my input boxes automatically and have my user be able to edit the calculation using + or - buttons. The code I have already does the calculation automatically if you manually enter the numbers, but pressing the + or - does not change the calculation. Here is the code: <html> <head> <script language="javascript"> function Calc(className){ var elements = document.getElementsByClassName(className); var total = 0; for(var i = 0; i < elements.length; ++i){ total += parseInt(elements[i].value); } document.form0.total.value = total; } function addone(field) { field.value = Number(field.value) + 1; } function subtractone(field) { field.value = Number(field.value) - 1; } </script> </head> <body> <form name="form0" id="form0"> 1: <input type="text" name="box1" id="box1" class="add" value="0" onKeyUp="Calc('add')" onChange="updatesum()" onClick="this.focus();this.select();" /> <input type="button" value=" + " onclick="addone(box1);"> <input type="button" value=" - " onclick="subtractone(box1);"> <br /> 2: <input type="text" name="box2" id="box2" class="add" value="0" onKeyUp="Calc('add')" onClick="this.focus();this.select();" /> <input type="button" value=" + " onclick="addone(box2);"> <input type="button" value=" - " onclick="subtractone(box2);"> <br /> 3: <input type="text" name="box3" id="box3" class="add" value="0" onKeyUp="Calc('add')" onClick="this.focus();this.select();" /> <input type="button" value=" + " onclick="addone(box3);"> <input type="button" value=" - " onclick="subtractone(box3);"> <br /> <br /> Total: <input readonly style="border:0px; font-size:14; color:red;" id="total" name="total"> </form> </body></html> Im sure the issue must be small, I just cant put my finger on it.

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  • How can I enable a debugging mode via a command-line switch for my Perl program?

    - by Michael Mao
    I am learning Perl in a "head-first" manner. I am absolutely a newbie in this language: I am trying to have a debug_mode switch from CLI which can be used to control how my script works, by switching certain subroutines "on and off". And below is what I've got so far: #!/usr/bin/perl -s -w # purpose : make subroutine execution optional, # which is depending on a CLI switch flag use strict; use warnings; use constant DEBUG_VERBOSE => "v"; use constant DEBUG_SUPPRESS_ERROR_MSGS => "s"; use constant DEBUG_IGNORE_VALIDATION => "i"; use constant DEBUG_SETPPING_COMPUTATION => "c"; our ($debug_mode); mainMethod(); sub mainMethod # () { if(!$debug_mode) { print "debug_mode is OFF\n"; } elsif($debug_mode) { print "debug_mode is ON\n"; } else { print "OMG!\n"; exit -1; } checkArgv(); printErrorMsg("Error_Code_123", "Parsing Error at..."); verbose(); } sub checkArgv #() { print ("Number of ARGV : ".(1 + $#ARGV)."\n"); } sub printErrorMsg # ($error_code, $error_msg, ..) { if(defined($debug_mode) && !($debug_mode =~ DEBUG_SUPPRESS_ERROR_MSGS)) { print "You can only see me if -debug_mode is NOT set". " to DEBUG_SUPPRESS_ERROR_MSGS\n"; die("terminated prematurely...\n") and exit -1; } } sub verbose # () { if(defined($debug_mode) && ($debug_mode =~ DEBUG_VERBOSE)) { print "Blah blah blah...\n"; } } So far as I can tell, at least it works...: the -debug_mode switch doesn't interfere with normal ARGV the following commandlines work: ./optional.pl ./optional.pl -debug_mode ./optional.pl -debug_mode=v ./optional.pl -debug_mode=s However, I am puzzled when multiple debug_modes are "mixed", such as: ./optional.pl -debug_mode=sv ./optional.pl -debug_mode=vs I don't understand why the above lines of code "magically works". I see both of the "DEBUG_VERBOS" and "DEBUG_SUPPRESS_ERROR_MSGS" apply to the script, which is fine in this case. However, if there are some "conflicting" debug modes, I am not sure how to set the "precedence of debug_modes"? Also, I am not certain if my approach is good enough to Perlists and I hope I am getting my feet in the right direction. One biggest problem is that I now put if statements inside most of my subroutines for controlling their behavior under different modes. Is this okay? Is there a more elegant way? I know there must be a debug module from CPAN or elsewhere, but I want a real minimal solution that doesn't depend on any other module than the "default". And I cannot have any control on the environment where this script will be executed...

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  • How to retrieve an input's value without the browser interpreting html special entities?

    - by CaptainQwyx
    Is there a way in JavaScript or MooTools to retrieve the actual text in the value from an input element without the browser interpreting any html special entites? Please see the example included below. My desired outcome is: <div id="output"> <p>Your text is: <b>[&lt;script&gt;alert('scrubbed');&lt;/script&gt;]</b></p> </div> Note that it works if I type/copy &lt;script&gt;alert('scrubbed');&lt;/script&gt; directly into the text input box, but fails if I insert right after loading the page. <html> <head> <meta http-equiv="Content-type" content="text/html; charset=utf-8"> <title>scrubtest</title> </head> <body id="scrubtest" onload=""> <script type="text/javascript" language="JavaScript" src="/js/mootools-core.js"></script> <input type="text" name="scrubtext" value="&lt;script&gt;alert('scrubbed');&lt;/script&gt;" id="scrubtext"/><br /> <input type="button" value="Insert" onclick="insertText();"/><br /> <input type="button" value="Get via MooTools" onclick="alert($('scrubtext').get('value'));"/><br /> <input type="button" value="Get via JavaScript" onclick="alert(document.getElementById('scrubtext').value);"/><br /> <div id="output"> </div> <script type="text/javascript" charset="utf-8"> function insertText() { var stext = $('scrubtext').get('value'); var result = new Element( 'p', {html: "Your text is: <b>["+stext+"]</b>"} ); result.inject($('output')); } </script> </body> </html>

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  • What kind of string is this? What can I do in php to read it?

    - by kevin
    This is a string (see below, after the dashed line) in a database.inf file for a free program I downloaded that lists some websites. The file is plain text as you can see , but there is a string after it that looks base64 encoded (due to the end chars of ==). But b64_decoding it gives giberish. I wanted to decode it so I could add to the list of sites it had (the program lists a bunch of sites and data about them which I can read in the GUI) and to do that I need to decode this, add to it, and re-encode it. I think the program uses .net since I think the .net library was required on install, but I know nothing of the original source language. I am using php to figure out if there is a simple way to read this. I have tried using unpack, binhex, base_convert, etc as I suspect the file is binary at some level, but I am lost. Nothing illegal, just wanting to know what it is and if I can add a few things to it to make it more useful for me. here is the file - any ideas how to decode and recode this for playing with? Site List file size: 62139 db version: 13 generated: 2010-04-27 11:53:40 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  • ASP.NET MVC 3 NOT showing appropriate view, action called using jquery

    - by TunAntun
    I have a small problem. My action is : public ViewResult SearchForRooms(int HotelDDL) { List<Room> roomsInHotel = bl.ReturnRoomsPerHotel(HotelDDL); return View(roomsInHotel); } Here is the jquery that is calling the action: <script type="text/javascript" language="javascript"> $(document).ready(function () { $("#HotelDDL").change(function () { var text = $("#HotelDDL option:selected").text(); var value = $("#HotelDDL option:selected").val(); alert("Selected text=" + text + " Selected value= " + value); $.post("/Home/SearchForRooms", { HotelDDL: $("#HotelDDL option:selected").val() }); }); }); </script> And finally, here is the View that should be called: @model IEnumerable<RoomReservation.Entities.Entities.Room> @{ ViewBag.Title = "Search"; } <h2>Result</h2> <table> <tr> <th> City </th> <th> Hotel </th> <th> Room label </th> <th> Number of beds </th> <th> Price per night </th> <th></th> </tr> @foreach (var item in Model) { <tr> <td> @Html.DisplayFor(modelitem=>item.Hotel.City.Name) </td> <td> @Html.DisplayFor(modelItem => item.Hotel.Name) </td> <td> @Html.DisplayFor(modelItem => item.Name) </td> <td> @Html.DisplayFor(modelItem => item.NumberOfBeds) </td> <td> @Html.DisplayFor(modelItem => item.PricePerNight) </td> </tr> } </table> Everthing is working ok (databse return all rooms correctly) except final view rendering. I have tried Phil's tool but it doesn't give me any suspicious hints: RouteDebug.RouteDebugger.RewriteRoutesForTesting(RouteTable.Routes); So, why is it not showing after jscript send it's post method to SearchForRooms()? Thank you P.S. If you need any other piece of code please just say so.

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  • Please Describe Your Struggles with Minimizing Use of Global Variables

    - by MetaHyperBolic
    Most of the programs I write are relatively flowchartable processes, with a defined start and hoped-for end. The problems themselves can be complex but do not readily lean towards central use of objects and event-driven programming. Often, I am simply churning through great varied batches of text data to produce different text data. Only occasionally do I need to create a class: As an example, to track warnings, errors, and debugging message, I created a class (Problems) with one instantiation (myErr), which I believe to be an example of the Singleton design pattern. As a further factor, my colleagues are more old school (procedural) than I and are unacquainted with object-oriented programming, so I am loath to create things they could not puzzle through. And yet I hear, again and again, how even the Singleton design pattern is really an anti-pattern and ought to be avoided because Global Variables Are Bad. Minor functions need few arguments passed to them and have no need to know of configuration (unchanging) or program state (changing) -- I agree. However, the functions in the middle of the chain, which primarily control program flow, have a need for a large number of configuration variables and some program state variables. I believe passing a dozen or more arguments along to a function is a "solution," but hardly an attractive one. I could, of course, cram variables into a single hash/dict/associative array, but that seems like cheating. For instance, connecting to the Active Directory to make a new account, I need such configuration variables as an administrative username, password, a target OU, some default groups, a domain, etc. I would have to pass those arguments down through a variety of functions which would not even use them, merely shuffle them off down through a chain which would eventually lead to the function that actually needs them. I would at least declare the configuration variables to be constant, to protect them, but my language of choice these days (Python) provides no simple manner to do this, though recipes do exist as workarounds. Numerous Stack Overflow questions have hit on the why? of the badness and the requisite shunning, but do not often mention tips on living with this quasi-religious restriction. How have you resolved, or at least made peace with, the issue of global variables and program state? Where have you made compromises? What have your tricks been, aside from shoving around flocks of arguments to functions?

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  • Submitting form in php file accessed by Ajax?

    - by dronnoc
    Hi people, I am trying to figure out how to submit a form in a page being accessed by Ajax? here are some code snippets to help demonstrate what i am trying to say. HTML BODY - THIS IS WHAT THE USER WILL SEE. <html> <head> <script language="javascript" src="linktoajaxfile.js"> </head> <body onLoad="gotoPage(0)"> <div id="fillThis"> </div> </body> </html> AJAX FILE var xmlhttp function gotoPage(phase) { xmlhttp=GetXmlHttpObject(); if (xmlhttp==null) { alert ("Your browser does not support AJAX!"); return; } var url="pageofstuffce.php"; url=url+"?stg="+phase; url=url+"&sid="+Math.random(); xmlhttp.onreadystatechange=stateChanged; xmlhttp.open("GET",url,true); xmlhttp.send(null); } function stateChanged() { if (xmlhttp.readyState==4) { document.getElementById("fillThis").innerHTML=xmlhttp.responseText; } } function GetXmlHttpObject() { if (window.XMLHttpRequest) { // code for IE7+, Firefox, Chrome, Opera, Safari return new XMLHttpRequest(); } if (window.ActiveXObject) { // code for IE6, IE5 return new ActiveXObject("Microsoft.XMLHTTP"); } return null; } PAGE OF DATA <?php $stage = $_GET['stg']; if($stage == 0) { echo '<a onClick="gotoPage(1)">click me</a>'; } elseif($stage == 1) { <form> <input type="text" name="name"> <input type="submit" name="submit"> </form> } elseif(somehow can reach here) { show data from form. } ?> Can anyone perhaps help me get past the form and display the data in the same page? Also, i have looked around, and i don't think anything around has what i need... correct me if i'm wrong though :) Thanks in advance, and i hope i didn't put in too much detail :) Dronnoc EDIT Forgot to mention what I've tried; I have tried submitting the form to itself (same file) and that destroyed the ajax link, and opened the page. i have also tried just having the button move the page onto another step, but the $_POST variable is empty... i am at a loss, so does anyone else have any ideas?

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  • How to pass some data to JQuery AJAX in CAKEPHP

    - by kwokwai
    Hi all, I am learning how to use JQuery to help check data availability. To start with it, I wrote a few lines of codes using cakePHP. I have written a function in a Controller for checking data input, and the URL is like this: http://www.mywebsite.com/controllers/action/avariable I was trying to pass the value in a Input TextBox field using the JQuery Ajax to the URL above,but I don't know why it is not working in passing a variable to the Controller's action. Could you help me out please? <Script language="javascript"> //<!-- $(document).ready(function(){ $(document).change(function() { var usr = $("#data\\[User\\]\\[name\\]").val(); if(usr.length >= 3){ $("#username").append('<span><img align="absmiddle" src="loader.gif" />Checking</span>'); $.ajax({ type: "POST", url: "http://www.mywebsite.com/controllers/action/", data: usr, success: function(msg){ if(msg == 'OK') { $("#username").append('<span><img align="absmiddle" src="accepted.png"/></span>'); } else { $("#username").append('<span>'+msg+'</span>'); } } }); } else { $("#username").append('<span>The username should have at least 3 characters.</span>'); } }); }); //--> </Script> <form name="adduser" id="adduser" method="post" action="/controllers/action2"> <table border=0 width="100%"> <tr> <td>Username</td> <td> <div id="username"> <input type=text name="data[User][name]" id="data[User][name]"> </div> </td> </tr> <tr> <td> <input type="submit" value="Send"> </td> </tr> </table> </form>

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  • Problems with starting windows service on windows xp SP3

    - by Michiel Peeters
    I'm currently facing a problem which I can not resolve and I really don't know what to do anymore. When I'm trying to start the service I receive the message: "The service is started but again also stopped, this because that some of the services will stop if they have nothing to do, for example the performance logs and the alerts service". I've looked into the Windows Logs but nothing is written there which could describe why my service is all the time stopping. I've also tried to fire the windows service via the command prompt which gives me the message: "The service is not started, but the service didn't return any faults.". I've tried to remove all keys which references to my service, which didn't resolve the issue. I've searched on google (maybe not good enough) to find an answer but I didn't found any. I did found some websites which describes what I could do, but all of these suggestions didn't work. This is kinda ** because I do not know where to look. I do not have any error message, i do not have any id which i can use to search on. I really don't know where to start and I hope you guys can help me on this one. Detailed explanation about the windows service OS: Windows XP SP3 .Net Framework: .Net 4.0 Client Profile Language: C# Development environment: Visual Studio 2010 Professional (but Visual Studio 2012 RC is installed) Communications: WCF (Named Pipes), WCF (BasicHTTPBinding) Named Pipes: I have chosen for this solution because I wanted to communicate from a windows service to a windows form application. It worked now for quite some time but suddenly my windows service shuts it self down and I couldn't restart it anymore. There are two named pipes services implemented: An event service which will send any notification to the windows form application and an management service which gives my windows form application the possibility to maintain my windows service. BasicHTTPBinding: The basic http binding makes the connection to a central server. This connection is then used for streaming information from the client to the server. I do not know which additional information you will need, but if you guys need something then I'll try to give it as detailed as possible. Thank you in advance.

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  • What's the best way to handle modules that use each other?

    - by Axeman
    What's the best way to handle modules that use each other? Let's say I have a module which has functions for hashes: # Really::Useful::Functions::On::Hash.pm use base qw<Exporter>; use strict; use warnings; use Really::Useful::Functions::On::List qw<transform_list>; our @EXPORT_OK = qw<transform_hash transform_hash_as_list ...>; #... sub transform_hash { ... } #... sub transform_hash_as_list { return transform_list( %{ shift() } ); } #... 1 And another module has been segmented out for lists: # Really::Useful::Functions::On::List.pm use base qw<Exporter>; use strict; use warnings; use Really::Useful::Functions::On::Hash qw<transform_hash>; our @EXPORT_OK = qw<transform_list some_func ...>; #... sub transform_list { ... } #... sub some_func { my %params = transform_hash @_; #... } #... 1 Suppose that enough of these utility functions are handy enough that I'll want to use them in BEGIN statements and import functions to process parameter lists or configuration data. I have been putting sub definitions into BEGIN blocks to make sure they are ready to use whenever somebody includes the module. But I have gotten into hairy race conditions where a definition is not completed in a BEGIN block. I put evolving code idioms into modules so that I can reuse any idiom I find myself coding over and over again. For instance: sub list_if { my $condition = shift; return unless $condition; my $more_args = scalar @_; my $arg_list = @_ > 1 ? \@_ : @_ ? shift : $condition; if (( reftype( $arg_list ) || '' ) eq 'ARRAY' ) { return wantarray ? @$arg_list : $arg_list; } elsif ( $more_args ) { return $arg_list; } return; } captures two idioms that I'm kind of tired of typing: @{ func_I_hope_returns_a_listref() || [] } and ( $condition ? LIST : ()) The more I define functions in BEGIN blocks, the more likely I'll use these idiom bricks to express the logic the more likely that bricks are needed in BEGIN blocks. Do people have standard ways of dealing with this sort of language-idiom-brick model? I've been doing mostly Pure-Perl; will XS alleviate some of this?

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  • Should the argument be passed by reference in this .net example?

    - by Hamish Grubijan
    I have used Java, C++, .Net. (in that order). When asked about by-value vs. by-ref on interviews, I have always done well on that question ... perhaps because nobody went in-depth on it. Now I know that I do not see the whole picture. I was looking at this section of code written by someone else: XmlDocument doc = new XmlDocument(); AppendX(doc); // Real name of the function is different AppendY(doc); // ditto When I saw this code, I thought: wait a minute, should not I use a ref in front of doc variable (and modify AppendX/Y accordingly? it works as written, but made me question whether I actually understand the ref keyword in C#. As I thought about this more, I recalled early Java days (college intro language). A friend of mine looked at some code I have written and he had a mental block - he kept asking me which things are passed in by reference and when by value. My ignorant response was something like: Dude, there is only one kind of arg passing in Java and I forgot which one it is :). Chill, do not over-think and just code. Java still does not have a ref does it? Yet, Java hackers seem to be productive. Anyhow, coding in C++ exposed me to this whole by reference business, and now I am confused. Should ref be used in the example above? I am guessing that when ref is applied to value types: primitives, enums, structures (is there anything else in this list?) it makes a big difference. And ... when applied to objects it does not because it is all by reference. If things were so simple, then why would not the compiler restrict the usage of ref keyword to a subset of types. When it comes to objects, does ref serve as a comment sort of? Well, I do remember that there can be problems with null and ref is also useful for initializing multiple elements within a method (since you cannot return multiple things with the same easy as you would do in Python). Thanks.

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  • User control events not getting to their handlers

    - by PhrkOnLsh
    I am trying to create a user control to wrap around the Membership API (A set of custom Gridviews to display the data better) and, while the code and the controls worked fine in the page, when I moved them to an .ascx, the events stopped firing to it. <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="CustomMembership.ascx.cs" Inherits="CCGlink.CustomMembership" %> <asp:Panel ID="mainPnl" runat="server"> <asp:Label id="lblError" ForeColor="Red" Font-Bold="true" runat="server" /> <asp:GridView id="grdUsers" HeaderStyle-cssclass="<%# _headercss %>" RowStyle-cssclass="<%# _rowcss %>" AlternatingRowStyle-cssclass="<%# _alternatingcss %>" OnRowUpdating="grdUsers_RowUpdating" OnRowDeleting="grdUsers_RowDeleting" OnRowCancelingEdit="grdUsers_cancelEdit" autogeneratecolumns="false" allowsorting="true" AllowPaging="true" EmptyDataText="No users..." pagesize="<%# PageSizeForBoth %>" runat="server"> <!-- ...columns... --> </asp:GridView> <asp:Button id="btnAllDetails" onclick="btnAllDetails_clicked" text="Full Info" runat="server" /> <asp:GridView DataKeyNames="UserName" HeaderStyle-cssclass="<%# _headercss %>" RowStyle-cssclass="<%# _rowcss %>" AlternatingRowStyle-cssclass="<%# _alternatingcss %>" id="grdAllDetails" visible="false" allowsorting="true" EmptyDataText="No users in DB." pagesize="<%# PageSizeForBoth %>" runat="server" /> <asp:Button id="btnDoneAllDetails" onclick="btnAllDetails_clicked" text="Done." Visible="false" runat="server" /> </asp:Panel> However, none of the events in the first two controls (the gridview grdUsers and the button btnAllDetails) simply do NOT occur, I have verified this in the debugger. If they occured just fine in the aspx page, why do they die on moving to the ascx? My code in the aspx now is: <div class="admin-right"> <asp:ScriptManager ID="sm1" runat="server" /> <h1>User Management</h1> <div class="admin-right-users"> <asp:UpdatePanel ID="up1" runat="server"> <ContentTemplate> <cm1:CustomMembership id="showUsers" PageSizeForBoth="9" AlternatingRowStylecssclass="alternating" RowStylecssclass="row" DataSource="srcUsers" HeaderStylecssclass="header" runat="server" /> </ContentTemplate> </asp:UpdatePanel> </div> Thanks.

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  • C problem, left of '->' must point to class/struct/union/generic type ??

    - by Patrick
    Hello! Trying to understand why this doesn't work. I keep getting the following errors: left of '-nextNode' must point to class/struct/union/generic type (Also all the lines with a - in the function new_math_struct) Header file #ifndef MSTRUCT_H #define MSTRUCT_H #define PLUS 0 #define MINUS 1 #define DIVIDE 2 #define MULTIPLY 3 #define NUMBER 4 typedef struct math_struct { int type_of_value; int value; int sum; int is_used; struct math_struct* nextNode; } ; typedef struct math_struct* math_struct_ptr; #endif C file int get_input(math_struct_ptr* startNode) { /* character, input by the user */ char input_ch; char* input_ptr; math_struct_ptr* ptr; math_struct_ptr* previousNode; input_ptr = &input_ch; previousNode = startNode; /* as long as input is not ok */ while (1) { input_ch = get_input_character(); if (input_ch == ',') // Carrage return return 1; else if (input_ch == '.') // Illegal character return 0; if (input_ch == '+') ptr = new_math_struct(PLUS, 0); else if (input_ch == '-') ptr = new_math_struct(MINUS, 0); else if (input_ch == '/') ptr = new_math_struct(DIVIDE, 0); else if (input_ch == '*') ptr = new_math_struct(MULTIPLY, 0); else ptr = new_math_struct(NUMBER, atoi(input_ptr)); if (startNode == NULL) { startNode = previousNode = ptr; } else { previousNode->nextNode = ptr; previousNode = ptr; } } return 0; } math_struct_ptr* new_math_struct(int symbol, int value) { math_struct_ptr* ptr; ptr = (math_struct_ptr*)malloc(sizeof(math_struct_ptr)); ptr->type_of_value = symbol; ptr->value = value; ptr->sum = 0; ptr->is_used = 0; return ptr; } char get_input_character() { /* character, input by the user */ char input_ch; /* get the character */ scanf("%c", &input_ch); if (input_ch == '+' || input_ch == '-' || input_ch == '*' || input_ch == '/' || input_ch == ')') return input_ch; // A special character else if (input_ch == '\n') return ','; // A carrage return else if (input_ch < '0' || input_ch > '9') return '.'; // Not a number else return input_ch; // Number } The header for the C file just contains a reference to the struct header and the definitions of the functions. Language C.

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  • Jquery ajax using asp.net does not work on IE9 during the 2nd call of the function?

    - by randelramirez1
    I have gridview that is loaded from another aspx page after an ajax call, the problem is it works on chrome/firefox/safari but using ie9 the ajax call would work fine during the first call but when i try to call the function again it throws an 304 status on the network tab of ie9 dev tool and the gridview is not refreshed. Here is the jquery code: <%@ Page Language="C#" AutoEventWireup="true" CodeFile="LoadCoursesGridViewHere.aspx.cs" Inherits="CoursesGridView" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> <script src="Scripts/jquery-1.8.2.js" type="text/javascript"></script> </head> <body> <form id="form1" runat="server"> <div id="Gridview-container"> <asp:GridView ID="GridView1" runat="server"> </asp:GridView> </div> <asp:TextBox ID="TextBox1" runat="server" ViewStateMode="Disabled"></asp:TextBox> <%-- <asp:Button Text="text" ID="btn" OnClientClick=" __doPostBack('UpdatePanel1', '')" runat="server" />--%> <input type="button" id="btn" value="insert"/> </form> <script type="text/javascript"> $("#btn").click(function () { var a = $("#TextBox1").val(); $.ajax({ url: 'WebService.asmx/insert', data: "{ 'name': '" + a + "' }", contentType: "application/json; charset=utf-8", type: "POST", success: function () { // alert('insert was performed.'); $("#Gridview-container").empty(); $("#Gridview-container").load("GridViewCourses.aspx #GridView1"); } }); }); </script> </body> </html> What happen is that after click the button it will insert the textbox value in the database through the webservice 'insert' and then reload the gridview that is placed inside a different aspx page. The problem is that when I ran it on IE9 during the 1st insert everything works properly but the succeeding inserts does reload the gridview and I noticed that it says '304' on the network tab of ie9 dev tool.

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  • jquery - clone nth row of a table?

    - by John
    I'm trying to use jquery to clone a table row everytime someone presses the add-row button. Can anyone tell me what's wrong with my code? I'm using HTML + smarty templating language in my view. Here's what my template file looks like: <table> <tr> <td>Description</td> <td>Unit</td> <td>Qty</td> <td>Total</td> <td></td> </tr> <tbody id="entries"> {foreach from=$arrItem item=i name=inv} <tr> <td> <input type="hidden" name="invoice_item_id[]" value="{$i.invoice_item_id}"/> <input type="hidden" name="assignment_id[]" value="{$i.assignment_id}" /> <input type="text" name="description[]" value="{$i.description}"/> </td> <td><input type="text" class="unit_cost" name="unit_cost[]" value="{$i.unit_cost}"/></td> <td><input type="text" class="qty" name="qty[]" value="{$i.qty}"/></td> <td><input type="text" class="cost" name="cost[]" value="{$i.cost}"/></td> <td><a href="javascript:void(0);" class="delete-invoice-item">delete</a></td> </tr> {/foreach} </tbody> <tfoot> <tr><td colspan="5"><input type="button" id="add-row" value="add row" /></td></tr> </tfoot> </table> Here's my Jquery Javascript call, which I know gets fired when I put in an alert() statement. So the problem is with me not knowing how jquery works. $('#add-row').live('click', function() {$('#entries tr:nth-child(0)').clone().appendTo('#entries');}); So what am I doing wrong?

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  • Can I Have Polymorphic Containers With Value Semantics in C++11?

    - by John Dibling
    This is a sequel to a related post which asked the eternal question: Can I have polymorphic containers with value semantics in C++? The question was asked slightly incorrectly. It should have been more like: Can I have STL containers of a base type stored by-value in which the elements exhibit polymorphic behavior? If you are asking the question in terms of C++, the answer is "no." At some point, you will slice objects stored by-value. Now I ask the question again, but strictly in terms of C++11. With the changes to the language and the standard libraries, is it now possible to store polymorphic objects by value in an STL container? I'm well aware of the possibility of storing a smart pointer to the base class in the container -- this is not what I'm looking for, as I'm trying to construct objects on the stack without using new. Consider if you will (from the linked post) as basic C++ example: #include <iostream> using namespace std; class Parent { public: Parent() : parent_mem(1) {} virtual void write() { cout << "Parent: " << parent_mem << endl; } int parent_mem; }; class Child : public Parent { public: Child() : child_mem(2) { parent_mem = 2; } void write() { cout << "Child: " << parent_mem << ", " << child_mem << endl; } int child_mem; }; int main(int, char**) { // I can have a polymorphic container with pointer semantics vector<Parent*> pointerVec; pointerVec.push_back(new Parent()); pointerVec.push_back(new Child()); pointerVec[0]->write(); pointerVec[1]->write(); // Output: // // Parent: 1 // Child: 2, 2 // But I can't do it with value semantics vector<Parent> valueVec; valueVec.push_back(Parent()); valueVec.push_back(Child()); // gets turned into a Parent object :( valueVec[0].write(); valueVec[1].write(); // Output: // // Parent: 1 // Parent: 2 }

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  • Issue in event.PreventDefault()

    - by Prathiba
    I'm using twitter bootstrap in my application. i gave e.preventDefault for link button in $(document).reday(), but it is not working. Here is my code: Master page: <a id="lnkLogout" href="javascript:void(0);" onclick="PageLogout();"><i class="icon-off"> </i>Logout</a> <script type="text/javascript" language="javascript"> $(document).ready(function () { $('#lnkLogout').click(function (e) { e.preventDefault(); }); }); function PageLogout() { //Code for logout from the application.... } </script> SampleDefaultPage.aspx : <div class="row-fluid"> <div class="form-horizontal"> <h4 class="header blue bolder smaller"> Contact</h4> <div class="control-group"> <label for="form-field-email" class="control-label"> Email</label> <div class="controls"> <input type="text" style="width:200px;" data-val="true" data-val-required="Mobile Number is required." id="txtEmail"> <div class="space-3"> </div> <span data-valmsg-replace="true" data-valmsg-for="txtEmail" class="field-validation-valid text-warning red"></span> </div> </div> <div class="control-group"> <label for="form-field-website" class="control-label"> Phone Number</label> <div class="controls"> <input type="text" style="width:200px;" id="txtPhno"> </div> </div> </div> I have given txtEmail as mandatory field. if i left that field blank and click on Logout button in Master page, it says txtEmail is required. i dint do any validation in Logout onclick event. I have given preventDefault for Logout link. But still facing an issue. I should be able to logout even though txtEmail is left blank. Thank you all in advance for your response.

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  • program received signal SIGABRT (xcode)

    - by manish1990
    #import <UIKit/UIKit.h> @interface tableview : UIViewController<UITableViewDataSource> { NSArray *listOfItems; } @property(nonatomic,retain) NSArray *listOfItems; @end #import "tableview.h" @implementation tableview @synthesize listOfItems; - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier ]autorelease]; } //NSString *cellValue = [listOfItems objectAtIndex:indexPath.row]; cell.textLabel.text = [listOfItems objectAtIndex:indexPath.row]; return cell; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return 3; } - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self; } - (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } #pragma mark - View lifecycle - (void)viewDidLoad { listOfItems = [[NSArray alloc] initWithObjects:@"first",@"second",@"third", nil]; //listOfItems = [[NSMutableArray alloc]init]; // [listOfItems addObject:@"first"]; //[listOfItems addObject:@"second"]; [super viewDidLoad]; // Do any additional setup after loading the view from its nib. } -(void)dealloc { [listOfItems release]; [super dealloc]; } @end GNU gdb 6.3.50-20050815 (Apple version gdb-1708) (Mon Aug 15 16:03:10 UTC 2011) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "x86_64-apple-darwin".sharedlibrary apply-load-rules all Attaching to process 438. 2012-04-27 13:33:23.276 tableview test[438:207] -[UIView tableView:numberOfRowsInSection:]: unrecognized selector sent to instance 0x6855500 2012-04-27 13:33:23.362 tableview test[438:207] * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIView tableView:numberOfRowsInSection:]: unrecognized selector sent to instance 0x6855500' * First throw call stack: (0x13bb052 0x154cd0a 0x13bcced 0x1321f00 0x1321ce2 0x1ecf2b 0x1ef722 0x9f7c7 0x9f2c1 0xa228c 0xa6783 0x51322 0x13bce72 0x1d6592d 0x1d6f827 0x1cf5fa7 0x1cf7ea6 0x1d8330c 0x23530 0x138f9ce 0x1326670 0x12f24f6 0x12f1db4 0x12f1ccb 0x12a4879 0x12a493e 0x12a9b 0x2282 0x21f5) terminate called throwing an exceptionCurrent language: auto; currently objective-c (gdb)

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  • How to see if type is instance of a class in Haskell?

    - by Raekye
    I'm probably doing this completely wrong (the unhaskell way); I'm just learning so please let me know if there's a better way to approach this. Context: I'm writing a bunch of tree structures. I want to reuse my prettyprint function for binary trees. Not all trees can use the generic Node/Branch data type though; different trees need different extra data. So to reuse the prettyprint function I thought of creating a class different trees would be instances of: class GenericBinaryTree a where is_leaf :: a -> Bool left :: a -> a node :: a -> b right :: a -> a This way they only have to implement methods to retrieve the left, right, and current node value, and prettyprint doesn't need to know about the internal structure. Then I get down to here: prettyprint_helper :: GenericBinaryTree a => a -> [String] prettyprint_helper tree | is_leaf tree = [] | otherwise = ("{" ++ (show (node tree)) ++ "}") : (prettyprint_subtree (left tree) (right tree)) where prettyprint_subtree left right = ((pad "+- " "| ") (prettyprint_helper right)) ++ ((pad "`- " " ") (prettyprint_helper left)) pad first rest = zipWith (++) (first : repeat rest) And I get the Ambiguous type variable 'a0' in the constraint: (Show a0) arising from a use of 'show' error for (show (node tree)) Here's an example of the most basic tree data type and instance definition (my other trees have other fields but they're irrelevant to the generic prettyprint function) data Tree a = Branch (Tree a) a (Tree a) | Leaf instance GenericBinaryTree (Tree a) where is_leaf Leaf = True is_leaf _ = False left (Branch left node right) = left right (Branch left node right) = right node (Branch left node right) = node I could have defined node :: a -> [String] and deal with the stringification in each instance/type of tree, but this feels neater. In terms of prettyprint, I only need a string representation, but if I add other generic binary tree functions later I may want the actual values. So how can I write this to work whether the node value is an instance of Show or not? Or what other way should I be approaching this problem? In an object oriented language I could easily check whether a class implements something, or if an object has a method. I can't use something like prettyprint :: Show a => a -> String Because it's not the tree that needs to be showable, it's the value inside the tree (returned by function node) that needs to be showable. I also tried changing node to Show b => a -> b without luck (and a bunch of other type class/preconditions/whatever/I don't even know what I'm doing anymore).

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  • Apache-Mina FTPServer Issue — unable to login into apache ftp server while using database user manager

    - by piyush
    I am unable to login into apache ftp server while using database user manager: while entering username and password,I am getting following error in log file: [ INFO] 2013-02-07 20:51:07,779 [] [0:0:0:0:0:0:0:1] RECEIVED: USER piyush [ INFO] 2013-02-07 20:51:07,781 [piyush] [0:0:0:0:0:0:0:1] SENT: 331 User name okay, need password for piyush. [ INFO] 2013-02-07 20:51:07,784 [piyush] [0:0:0:0:0:0:0:1] RECEIVED: PASS ***** [ WARN] 2013-02-07 20:51:07,785 [piyush] [0:0:0:0:0:0:0:1] User failed to log in [ WARN] 2013-02-07 20:51:08,285 [piyush] [0:0:0:0:0:0:0:1] Login failure - piyush [ INFO] 2013-02-07 20:51:08,286 [piyush] [0:0:0:0:0:0:0:1] SENT: 530 Authentication failed. [ INFO] 2013-02-07 20:51:08,286 [piyush] [0:0:0:0:0:0:0:1] RECEIVED: QUIT [ INFO] 2013-02-07 20:51:08,290 [piyush] [0:0:0:0:0:0:0:1] SENT: 221 Goodbye. [ INFO] 2013-02-07 20:51:08,291 [piyush] [0:0:0:0:0:0:0:1] CLOSED here is my xml file ftpd-typical.xml: <?xml version="1.0" encoding="UTF-8"?> <!-- Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. --> <server xmlns="http://mina.apache.org/ftpserver/spring/v1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:beans="http://www.springframework.org/schema/beans" xsi:schemaLocation=" http://mina.apache.org/ftpserver/spring/v1 http://mina.apache.org/ftpserver/ftpserver-1.0.xsd " id="Prometheus"> <listeners> <nio-listener name="default" port="2121" /> </listeners> <db-user-manager encrypt-passwords="salted"> <data-source> <beans:bean class="org.apache.commons.dbcp.BasicDataSource" > <beans:property name="driverClassName" value="com.mysql.jdbc.Driver" /> <beans:property name="url" value="jdbc:mysql://localhost/apache_test" /> <beans:property name="username" value="amy" /> <beans:property name="password" value="piyush" /> </beans:bean> </data-source> <insert-user>INSERT INTO FTP_USER (userid, userpassword, homedirectory, enableflag, writepermission, idletime, uploadrate, downloadrate) VALUES ('{userid}', '{userpassword}', '{homedirectory}', {enableflag}, {writepermission}, {idletime}, {uploadrate}, {downloadrate}) </insert-user> <update-user>UPDATE FTP_USER SET userpassword='{userpassword}',homedirectory='{homedirectory}',enableflag={enableflag},writepermission={writepermission},idletime={idletime},uploadrate={uploadrate},downloadrate={downloadrate} WHERE userid='{userid}' </update-user> <delete-user>DELETE FROM FTP_USER WHERE userid = '{userid}' </delete-user> <select-user>SELECT userid, userpassword, homedirectory, enableflag, writepermission, idletime, uploadrate, downloadrate, maxloginnumber, maxloginperip FROM FTP_USER WHERE userid = '{userid}' </select-user> <select-all-users>SELECT userid FROM FTP_USER ORDER BY userid </select-all-users> <is-admin>SELECT userid FROM FTP_USER WHERE userid='{userid}' AND userid='admin' </is-admin> <authenticate>SELECT userpassword from FTP_USER WHERE userid='{userid}'</authenticate> </db-user-manager> </server>

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  • How to use Bonjour?

    - by Roman
    First, what exactly Bonjour does (pleas read my guesses written bellow)? Here I found out that Bonjour enables automatic discovery of computers, devices, and services on IP networks. But I thought that it not only "discovers devices on IP network" it also creates an IP network by assigning IP addresses to devices where Bonjour is running. Am I right? And I still miss the essence. Does it work in the following way? First I connect devices (for example laptops) physically so that they potentially can communicate with each other. Then, let say, on some laptops I have Bonjour running and then, as a consequence, these laptops assign IP addresses to them self in automatic way. So, laptops (where Bonjour is running) build an IP network. Does it work in this way? Or may be a computer running Bonjour is not considered as a service and it does not broadcast itself just because Bonjour is running on this computer. I mean that the applications running on the computers need to use Bonjour to broadcast themself. So, it is applications that broadcast themself (not computers) and it is not done automatically (application needs to broadcast themself explicitly). Is it right? How exactly my application can broadcast itself? Can I use command line to register an service (so that all applications using Bonjour knows that a new service appeared)? Further, I would like to have an application which use the IP network created by Bonjour. For that my application needs to know which devices/services are present in the network. In more details, my application needs to have a list of services. Each service in the list should have a name, the IP address where it is running and the port which is used by the application. Can Bonjour provide this information in some way? If it is the case, how exactly it works. How my program can get this information from Bonjour? Can my program read some file created by Bonjour and containing the above mentioned information? Can I use some commands in command line to retrieve this information? I have a special interest in accessing the information about services from files, environment variables or commands in command line. These options seems to me to be the simplest! Since in these case I do not need to use any additional libraries to communicate with Bonjour from a particular programming language. P.S. Pleas ask questions if something is not clear in my question. I will try to formulate my question in a more clear way. P.P.S. I use Windows 7. ADDED: I plan to write my applications in PHP. Every computer should run a Apache web server. And I want to use Bonjour to help computer discover each other (computers are working in a local network).

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