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  • Castle Windsor Project Includes in Config

    - by Michael Edwards
    I want the properties section of the Castle config to be included from another file. I.e: <castle> <include uri="file://properties.config" /> </castle> The properties.config would then look like: <properties> <smtp>10.10.10.10</smtp> <username>john</username> </properties> I can get the include to work for components but not for properties. If I try to do this with properties I get an exception thrown. Is this a limitation of Castle?

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  • Can I tell Castle Windsor to create a component in a separate AppDomain?

    - by Michael L Perry
    I've created a multi-threaded service that uses Castle Windsor to create components to run on separate threads. I Resolve an component by name with parameters for each thread. I'm running into concurrency problems with a 3rd party library used by the components. I suspect that isolating those components in separate AppDomains will resolve the problem. Is there a way to have Resolve create the component using a different AppDomain? private ActivityThread NewActivityThread(ActivityInstance activityInstance) { // Set up the creation arguments. System.Collections.IDictionary arguments = new Dictionary<string, string>(); activityInstance.Parameters.ForEach(p => arguments.Add(p.Name, p.Value)); // Get the activity handler from the container. IActivity activity = Program.Container.Resolve<IActivity>(activityInstance.Name, arguments); // Create a thread for the activity. ActivityThread thread = new ActivityThread(activity, activityInstance, _nextActivityID++); return thread; } public ActivityThread(IActivity activity, ActivityInstance instance, int id) { _activity = activity; _instance = instance; _id = id; } public void Start() { if (_thread == null) { // Create a new thread to run this activity. _thread = new Thread(delegate() { _activity.Run(); }); _thread.Name = _activity.ToString(); _thread.SetApartmentState(ApartmentState.STA); _thread.Start(); } }

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  • Embed XPS in HTML

    - by Michael Stoll
    Hi, how can an XPS document be embedded into HTML? The solution has to work in Internet Explorer 8, only. I know that IE can display XPS directly, but I need more control of the way the pages are displayed. Probably this can be solved with an object tag, but I couldn't find any resources.

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  • Can you access registers from python functions in vim

    - by Michael Anderson
    It seems vims python sripting is designed to edit buffer and files rather than work nicely with vims registers. You can use some of the vim packages commands to get access to the registers but its not pretty. My solution for creating a vim function using python that uses a register is something like this. function printUnnamedRegister() python >> EOF print vim.eval('@@') EOF Setting registers may also be possible using something like function setUnnamedRegsiter() python >> EOF s = "Some \"crazy\" string\nwith interesting characters" vim.command('let @@="%s"' % myescapefn(s) ) EOF However this feels a bit cumbersome and I'm not sure exactly what myescapefn should be. So I've never been able to get the setting version to work properly. So if there's a way to do something more like function printUnnamedRegister() python >> EOF print vim.getRegister('@') EOF function setUnnamedRegsiter() python >> EOF s = "Some \"crazy\" string\nwith interesting characters" vim.setRegister('@',s) EOF Or even a nice version of myescapefn I could use then that would be very handy.

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  • cakephp paginate using mysql SQL_CALC_FOUND_ROWS

    - by michael
    I'm trying to make Cakephp paginate take advantage of the SQL_CALC_FOUND_ROWS feature in mysql to return a count of total rows while using LIMIT. Hopefully, this can eliminate the double query of paginateCount(), then paginate(). http://dev.mysql.com/doc/refman/5.0/en/information-functions.html#function_found-rows I've put this in my app_model.php, and it basically works, but it could be done better. Can someone help me figure out how to override paginate/paginateCount so it executes only 1 SQL stmt? /** * Overridden paginateCount method, to using SQL_CALC_FOUND_ROWS */ public function paginateCount($conditions = null, $recursive = 0, $extra = array()) { $options = array_merge(compact('conditions', 'recursive'), $extra); $options['fields'] = "SQL_CALC_FOUND_ROWS `{$this->alias}`.*"; Q: how do you get the SAME limit value used in paginate()? $options['limit'] = 1; // ideally, should return same rows as in paginate() Q: can we somehow get the query results to paginate directly, without the extra query? $cache_results_from_paginateCount = $this->find('all', $options); /* * note: we must run the query to get the count, but it will be cached for multiple paginates, so add comment to query */ $found_rows = $this->query("/* do not cache for {$this->alias} */ SELECT FOUND_ROWS();"); $count = array_shift($found_rows[0][0]); return $count; } /** * Overridden paginate method */ public function paginate($conditions, $fields, $order, $limit, $page = 1, $recursive = null, $extra = array()) { $options = array_merge(compact('conditions', 'fields', 'order', 'limit', 'page', 'recursive'), $extra); Q: can we somehow get $cache_results_for_paginate directly from paginateCount()? return $cache_results_from_paginateCount; // paginate in only 1 SQL stmt return $this->find('all', $options); // ideally, we could skip this call entirely }

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  • Telerik RadAlert back button cache problem

    - by Michael VS
    Hi, I'm sure you have had this one before so if you could point me to something similar.... I have a server side creation of a RadAlert window using the usual Sys.Application.remove_load and add_load procedure however the alert keeps popping up as it seems to be caching when the user hits the back button after it has been activated. I have tried to put a onclick event on a button to clear the function using remove_load before it moves to the next page however it still doesn't seem to clear it. Its used in validation so if a user inputs failed validation it pops up. If they then go and enter correct validation it then moves onto the next page. If they then use back button this is where it pops up again. Any ideas? Server side: private void Page_Load(object sender, System.EventArgs e) { if (!IsPostBack) { btnSearch.Attributes.Add("onclick", "Sys.Application.remove_load(f);"); } } private void btnSearch_Click(object sender, System.EventArgs e) { string radalertscript = "(function(){var f = function(){radalert('Welcome to RadWindow Prometheus!', 330, 210); Sys.Application.remove_load(f);};Sys.Application.add_load(f);})()"; RadAjaxManager1.ResponseScripts.Add(radalertscript); } Ive also tried using RadAjaxManager1.ResponseScripts.Clear(); before it moves on to the next page on the postback event

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  • Building a Drupal Newsletter Module for handling Newsletter Articles

    - by Michael T. Smith
    We're building a module for generating HTML for email newsletters. We've looked into using a few other modules (SimpleNews, MailChimp, among others), but due to various requirements, it'll be easier and better for us to build a custom solution. Being a new Drupal developer, I'm a bit worried about handling this in a "non-Drupal" way. That being said, my plan is to setup a vocabulary with Newsletters as a term and the actual Newsletters as sub-terms, like so: Newsletters (term) - Newsletter A (sub-term) - Newsletter B (sub-term) This has the added benefit of being able to organize where articles were published (besides just on the site.) The question, though, is how to handle the different Newsletter issues. I could go another level deeper in the vocabulary, like so: Newsletters (term) - Newsletter A (sub-term) - Issue - 2010-03-01 - Issue - 2010-03-02 - Newsletter B (sub-term) - Issue - 2010-03-01 - Issue - 2010-03-08 But I'm wondering if this is adding a bit too much complexity. Once I have this taxonomy setup, when the user went to add new newsletters it would also create a node (content type: newsletter), and when he/she went to add new issues, it would also create a node (content type: issue.) Those would then be the landing pages for that content. So, the question is is there a better way for handling this structure? Is this a Drupal-like solution?

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  • PHP FPDF PDF Page Break Question

    - by Michael
    I am using PHP and FPDF to generate a PDF with a list of items. My problem is if the item list goes on to a second or third page, I want to keep the Item Name, Quantity and Description together. Right now, it will go to a second page, but it may split up all of the details for a particular item. PLEASE HELP! <?php require_once('auth.php'); require_once('config.php'); require_once('connect.php'); $sqlitems="SELECT * FROM $tbl_items WHERE username = '" . $_SESSION['SESS_LOGIN'] . "'"; $resultitems=mysql_query($sqlitems); require_once('pdf/fpdf.php'); require_once('pdf/fpdi.php'); $pdf =& new FPDI(); $pdf->AddPage('P', 'Letter'); $pdf->setSourceFile('pdf/files/healthform/meds.pdf'); $tplIdx = $pdf->importPage(1); $pdf->useTemplate($tplIdx); $pdf->SetAutoPageBreak(on, 30); $pdf->SetTextColor(0,0,0); $pdf->Ln(10); while($rowsitems=mysql_fetch_array($resultitems)){ $pdf->SetFont('Arial','B',10); $pdf->Cell(50,4,'Item Name:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(100,4,$rowsitems['itemname'],0,0,'L'); $pdf->SetFont('Arial','B',10); $pdf->Cell(50,4,'Quantity:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(140,4,$rowsitems['itemqty'],0,1,'L'); $pdf->SetFont('Arial','B'); $pdf->Cell(50,4,'Description:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(140,4,$rowsitems['itemdesc'],0,1,'L'); } $pdf->Output('Items.pdf', 'I'); ?>

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  • Local Declaration "x" hides instance variable xcode warning

    - by Michael Robinson
    I've been have trouble understand this problem. If I change the variable name fifthViewController the error goes away but the view controller doesn't load. Lost. Once again it's probably something simple. Thanks in advance. Here is the code: { FifthViewController *fifthViewController = [[FifthViewController alloc] initWithNibName:@"FifthView" bundle:nil]; fifthViewController.transactionID = transactionID; [self.navigationController pushViewController:fifthViewController animated:NO]; [fifthViewController release]; }

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  • Call asp.net mvc Html Helper within custom html helper with expression parameter

    - by Frank Michael Kraft
    I am trying to write an html helper extension within the asp.net mvc framework. public static MvcHtmlString PlatformNumericTextBoxFor<TModel>(this HtmlHelper instance, TModel model, Expression<Func<TModel,double>> selector) where TModel : TableServiceEntity { var viewModel = new PlatformNumericTextBox(); var func = selector.Compile(); MemberExpression memExpession = (MemberExpression)selector.Body; string name = memExpession.Member.Name; var message = instance.ValidationMessageFor<TModel, double>(selector); viewModel.name = name; viewModel.value = func(model); viewModel.validationMessage = String.Empty; var result = instance.Partial(typeof(PlatformNumericTextBox).Name, viewModel); return result; } The line var message = instance.ValidationMessageFor<TModel, double>(selector); has a syntax error. But I do not understand it. The error is: Fehler 2 "System.Web.Mvc.HtmlHelper" enthält keine Definition für "ValidationMessageFor", und die Überladung der optimalen Erweiterungsmethode "System.Web.Mvc.Html.ValidationExtensions.ValidationMessageFor(System.Web.Mvc.HtmlHelper, System.Linq.Expressions.Expression)" weist einige ungültige Argumente auf. C:\Projects\WorkstreamPlatform\WorkstreamPlatform_WebRole\Extensions\PlatformHtmlHelpersExtensions.cs 97 27 WorkstreamPlatform_WebRole So according to the message, the parameter is invalid. But the method is actually declared like this: public static MvcHtmlString ValidationMessageFor<TModel, TProperty>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, TProperty>> expression); So actually it should work.

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  • HashSet vs. List performance

    - by Michael Damatov
    It's clear that a search performance of the generic HashSet<T> class is higher than of the generic List<T> class. Just compare the hash-based key with the linear approach in the List<T> class. However calculating a hash key may itself take some CPU cycles, so for a small amount of items the linear search can be a real alternative to the HashSet<T>. My question: where is the break-even? To simplify the scenario (and to be fair) let's assume that the List<T> class uses the element's Equals() method to identify an item.

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  • Parallel port with C#

    - by Michael S.
    Hello, I am trying to send data to LPT1 port with a C# program, unfortunately with no success.. I am using windows 7 x64. I tried both x86 and x64 (inpoutx64.dll) dll's.. With the x64 dll when I send: Output(888, 255); It just continues the program as everything went ok, but i can't see anything on my multimeter (only the static 0.02V).. I also tried the following with C++: int main () { int val = 0; printf("Enter a value\n"); scanf("%d", &val); _outp(0x378, val); getchar(); _outp(0x378, 0); return 0; } But it throws an exception: Unhandled exception at 0x01281428 in ppac.exe: 0xC0000096: Privileged instruction. I remember once I made something like this work on xp, I hope it's possible on win7 too.. Please help me with this. Thanks.

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  • perl one liner alternative to this bash "chain"?

    - by Michael Mao
    Hello everyone: I am trying to comprehend Perl following the way describe in the book "Minimal Perl". I've uploaded all source txt files onto my own server : results folder I got the output from using several bash commands in a "chain" like this: cat run*.txt | grep '^Bank[[:space:]]Balance'| cut -d ':' -f2 | grep -E '\$[0-9]+' I know this is far from the most concise and efficient, but at least it works... As our uni subject now moves onto the Perl part, I'd like to know if there is a way to get the same results in one line? I am trying something like the following code but stuck in the middle: Chenxi Mao@chenxi-a6b123bb /cygdrive/c/eMarket/output $ perl -wlne 'print; if $n=~/^Bank Balance/' syntax error at -e line 1, near "if $n" Execution of -e aborted due to compilation errors.

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  • LEFT OUTER JOIN SUM doubles problem

    - by Michael
    Hi I've got two tables: Table: Shopping shop_id shop_name shop_time 1 Brian 40 2 Brian 31 3 Tom 20 4 Brian 30 Table:bananas banana_id banana_amount banana_person 1 1 Brian 2 1 Brian I now want it to print: Name: Tom | Time: 20 | Bananas: 0 Name: Brian | Time: 101 | Bananas: 2 I used this code: $result = dbquery("SELECT tz.*, tt.*, SUM(shop_time) as shoptime, count(banana_amount) as bananas FROM shopping tt LEFT OUTER JOIN bananas tz ON tt.shop_name=tz.banana_person GROUP by banana_person LIMIT 40 "); while ($data5 = dbarray($result)) { echo 'Name: '.$data5["shop_name"].' | Time: '.$data5["shoptime"].' | Bananas: '.$data5["bananas"].'<br>'; } The problem is that I get this instead: Name: Tom | Time: 20 | Bananas: 0 Name: Brian | Time: 202 | Bananas: 6 I just don't know how to get around this.

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  • jQuery ajax() returning json object to another function on success causes error

    - by Michael Mao
    Hi all: I got stuck in this problem for an hour. I am thinking this is something relates to variable scoping ? Anyway, here is the code : function loadRoutes(from_city) { $.ajax( { url: './ajax/loadRoutes.php', async : true, cache : false, timeout : 10000, type : "POST", dataType: 'json', data : { "from_city" : from_city }, error : function(data) { console.log('error occured when trying to load routes'); }, success : function(data) { console.log('routes loaded successfully.'); $('#upperright').html(""); //reset upperright box to display nothing. return data; //this line ruins all //this section works just fine. $.each(data.feedback, function(i, route) { console.log("route no. :" + i + " to_city : " + route.to_city + " price :" + route.price); doSomethingHere(i); }); } }); } The for each section works just fine inside the success callback region. I can see Firebug console outputs the route ids with no problem at all. For decoupling purpose, I reckon it would be better to just return the data object, which in JSON format, to a variable in the caller function, like this: //ajax load function function findFromCity(continent, x, y) { console.log("clicked on " + continent + ' ' + x + ',' + y); $.ajax( { url: './ajax/findFromCity.php', async : true, cache : false, timeout : 10000, type : "POST", dataType : 'json', data : { "continent" : continent, "x" : x, "y" : y }, error : function(data) { console.log('error occured when trying to find the from city'); }, success : function(data) { var cityname = data.from_city; //only query database if cityname was found if(cityname != 'undefined' && cityname != 'nowhere') { console.log('from city found : ' + cityname); data = loadRoutes(cityname); console.log(data); } } }); } Then all of a sudden, everything stops working! Firebug console reports data object as "undefined"... hasn't that being assigned by the returning object from the method loadRoutes(cityname)? Sorry my overall knowledge on javascript is quite limited, so now I am just like a "copycat" to work on my code in an amateur way.

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  • What tools/techniques can benefit a solo developer?

    - by Michael Runyon
    Hello, I am a solo developer, working in a very small web development firm. There is occasional support for development from contractors, but for the most part, if code is written in the office, I am writing it. Many of the articles and such on here talk extensively about the tools and techniques used for collaboration of developers in teams, but that is a non-issue with me, as there is no one to (technically) collaborate with. Yet, I feel that in many ways, there are things that could be adjusted for efficiency. Our small office doesn't participate in many of the meetings/team constructions that most of the techniques rely heavily upon....we mostly just walk around and talk to one another when something is needed. This works great for all of the Just-In-Time, 15 minute fix stuff that probably populates 50% of my day, but I am also constantly working on major projects that require my total concentration, and between a flurry of tiny fixes, and being the primary admin on the 4-6 servers that we own, I find it almost impossible to get real, heavy lifting done. What suggestions can you some of you offer to help me/us become more productive/efficient, without adopting all of the corporate/teamwork practices that we are trying desperately to avoid? At what cost for efficiency is our total relaxation?

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  • jQuery Validation Plugin: Validating Checkboxes with Different Names

    - by Michael
    I have a set of 4 checkboxes, all with different names, and require that at least 1 is checked. I know there are a few posts on here already trying to answer this question. The solution that seems to be most logical to me is the answer posted on Question 1734840, but I can't seem to get it working! What's wrong with my code? Or any other new coding ideas to get this working? I have set the class on all of them to 'require-one'. My jQuery code is $(document).ready(function(){ $("#itemForm").validate({ highlight: function(element, errorClass, validClass) { $(element).addClass(errorClass).removeClass(validClass); $(element.form).find("label[for=" + element.name + "]") .addClass("radioerror"); }, unhighlight: function(element, errorClass, validClass) { $(element).removeClass(errorClass).addClass(validClass); $(element.form).find("label[for=" + element.name + "]") .removeClass("radioerror"); }, rules: { 'require-one': { required : { depends: function(element) { var allBoxes = $('.require-one'); if (allBoxes.filter(':checked').length == 0) { if (allBoxes.eq(element).length != 0) { return true; } } return false; } } } , }, errorPlacement: function(error, element) { if ( element.is("#other_descrip") ) error.appendTo("#othererror" ); if ( element.is("#itemlist") ) error.appendTo("#itemerror" ); } }); });

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  • FPDF Page Break Question

    - by Michael
    I am using PHP and FPDF to generate a PDF with a list of items. My problem is if the item list goes on to a second or third page, I want to keep the Item Name, Quantity and Description together. Right now, it will go to a second page, but it may split up all of the details for a particular item. PLEASE HELP! <?php require_once('auth.php'); require_once('config.php'); require_once('connect.php'); $sqlitems="SELECT * FROM $tbl_items WHERE username = '" . $_SESSION['SESS_LOGIN'] . "'"; $resultitems=mysql_query($sqlitems); require_once('pdf/fpdf.php'); require_once('pdf/fpdi.php'); $pdf =& new FPDI(); $pdf->AddPage('P', 'Letter'); $pdf->setSourceFile('pdf/files/healthform/meds.pdf'); $tplIdx = $pdf->importPage(1); $pdf->useTemplate($tplIdx); $pdf->SetAutoPageBreak(on, 30); $pdf->SetTextColor(0,0,0); $pdf->Ln(10); while($rowsitems=mysql_fetch_array($resultitems)){ $pdf->SetFont('Arial','B',10); $pdf->Cell(50,4,'Item Name:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(100,4,$rowsitems['itemname'],0,0,'L'); $pdf->SetFont('Arial','B',10); $pdf->Cell(50,4,'Quantity:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(140,4,$rowsitems['itemqty'],0,1,'L'); $pdf->SetFont('Arial','B'); $pdf->Cell(50,4,'Description:',0,0,'L'); $pdf->SetFont(''); $pdf->Cell(140,4,$rowsitems['itemdesc'],0,1,'L'); } $pdf->Output('Items.pdf', 'I'); ?>

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  • Question with R. Element wise multiplication, addition, and division with 2 data.frames with varying

    - by Michael
    I have a various data.frames with columns of the same length where I am trying to multiple 2 rows together element-wise and then sum this up. For example, below are two vectors I would like to perform this operation with. > a.1[186,] q01_a q01_b q01_c q01_d q01_e q01_f q01_g q01_h q01_i q01_j q01_k q01_l q01_m 3 3 3 3 2 2 2 3 1 NA NA 2 2 and > u.1[186,] q04_avl_a q04_avl_b q04_avl_c q04_avl_d q04_avl_e q04_avl_f q04_avl_g q04_avl_h q04_avl_i q04_avl_j q04_avl_k q04_avl_l q04_avl_m 4 2 3 4 3 4 4 4 3 4 3 3 3` The issue is that various rows have varying numbers of NA's. What I would like to do is skip the multiplication with any missing values ( the 10th and 11th position from my above example), and then after the addition divide by the number of elements that were multiplied (11 from the above example). Most rows are complete and would just be multiplied by 13. Thank you!

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  • How do I get Flex Builder to use the selected framework?

    - by Michael Prescott
    I'm attempting to create a Flex Project that will cause the Flash Player to cache the Flex framework. Flex Builder comes with Flex SDK 3.2.0.3958 and setting the Framework Linkage to use Runtime shared Library (RSL) under Project Properties - Flex Build Path will separate the framework from my main application and I see that my project's bin-debug directory contains framework_3.2.0.3958.swf and *.swz for distribution. Flex SDK 3.4 fixes a few bugs, so I configured it as another available sdk and set it as the default SDK. When I compile, I expect the bin-debug directory to contain framework_3.4.0.9271.swf and *.swz; however, Flex Builder is still writing framework_3.2.0.3958.swf and *.swz. How do I configure Flex Builder to package the correct framework files for Flash Player caching?

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  • How do I stop a datagrid's first-row itemRenderer from instantiating/adding/initializing/etc twice?

    - by Michael Prescott
    In a Flex DataGrid's first row, the itemRenderer will initialize twice. Tracing the results reveals that the flex framework is possibly creating two instances of the first row's itemRenderer. In a more complex application, where the itemRenderer contains a data-bound ColorPicker, we're seeing an infinite loop occur because of this problem. Only the first row's itemRenderer is initialized twice. Is there a way to override flex's behavior and stop this from occurring? The following code demonstrates the problem: Main Application: <?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" initialize="on_initialize(event);"> <mx:Script> <![CDATA[ /** * This experiment shows how the first row's itemrenderer is instantiated/added/initialized twice. * We've never even noticed this before we found that a data-bound ColorPicker enters a infinite * loop when it is within an itemRenderer. */ import mx.collections.ArrayCollection; import mx.events.FlexEvent; private var dg_array:Array; private var dg_arrayCollection:ArrayCollection; private function on_initialize(event:FlexEvent):void { dg_array = new Array(); dg_arrayCollection = new ArrayCollection(); dg_arrayCollection.addItem("item 1"); dg_arrayCollection.addItem("item 2"); dg.dataProvider = dg_arrayCollection; } ]]> </mx:Script> <mx:DataGrid id="dg" width="100%" height="100%" rowCount="5"> <mx:columns> <mx:DataGridColumn headerText="Name" itemRenderer="SimpleItemRenderer"/> </mx:columns> </mx:DataGrid> </mx:Application> SimpleItemRenderer: <?xml version="1.0" encoding="utf-8"?> <mx:Canvas xmlns:mx="http://www.adobe.com/2006/mxml" width="400" height="300" initialize="//on_initialize(event);"> <mx:Script> <![CDATA[ import mx.events.FlexEvent; [Bindable] override public function set data(value:Object):void { _data = value; } override public function get data():Object { return _data; } private var _data:Object; private function on_initialize_textInput(event:FlexEvent):void { trace("initialize:event.target="+event.target+", " + _data); // runs twice, for the first item only } private function on_creationComplete_textInput(event:FlexEvent):void { trace("creationComplete:event.target="+event.target+", " + _data); // runs twice, for the first item only } ]]> </mx:Script> <mx:TextInput text="{data}" id="textInput" initialize="on_initialize_textInput(event);" creationComplete="on_creationComplete_textInput(event);"/> </mx:Canvas> Abbreviated Output: initialize:event.target=ItemRenderers0.dg...SimpleItemRenderer12.textInput, null initialize:event.target=ItemRenderers0.dg...SimpleItemRenderer24.textInput, null creationComplete:event.target=ItemRenderers0.dg...SimpleItemRenderer24.textInput, item 1 initialize:event.target=ItemRenderers0.dg...SimpleItemRenderer29.textInput, null creationComplete:event.target=ItemRenderers0.dg...SimpleItemRenderer29.textInput, item 2 creationComplete:event.target=ItemRenderers0.dg...SimpleItemRenderer12.textInput, item 1

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  • C# Active Directory - Check username / password

    - by Michael G
    I'm using the following code on Windows Vista Ultimate SP1 to query our active directory server to check the user name and password of a user on a domain. public Object IsAuthenticated() { String domainAndUsername = strDomain + @"\" + strUser; DirectoryEntry entry = new DirectoryEntry(_path, domainAndUsername, strPass); SearchResult result; try { //Bind to the native AdsObject to force authentication. DirectorySearcher search = new DirectorySearcher(entry) { Filter = ("(SAMAccountName=" + strUser + ")") }; search.PropertiesToLoad.Add("givenName"); // First Name search.PropertiesToLoad.Add("sn"); // Last Name search.PropertiesToLoad.Add("cn"); // Last Name result = search.FindOne(); if (null == result) { return null; } //Update the new path to the user in the directory. _path = result.Path; _filterAttribute = (String)result.Properties["cn"][0]; } catch (Exception ex) { return new Exception("Error authenticating user. " + ex.Message); } return user; } the target is using .NET 3.5, and compiled with VS 2008 standard I'm logged in under a domain account that is a domain admin where the application is running. The code works perfectly on windows XP; but i get the following exception when running it on Vista: System.DirectoryServices.DirectoryServicesCOMException (0x8007052E): Logon failure: unknown user name or bad password. at System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail) at System.DirectoryServices.DirectoryEntry.Bind() at System.DirectoryServices.DirectoryEntry.get_AdsObject() at System.DirectoryServices.DirectorySearcher.FindAll(Boolean findMoreThanOne) at System.DirectoryServices.DirectorySearcher.FindOne() at Chain_Of_Custody.Classes.Authentication.LdapAuthentication.IsAuthenticated() at System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail) at System.DirectoryServices.DirectoryEntry.Bind() at System.DirectoryServices.DirectoryEntry.get_AdsObject() at System.DirectoryServices.DirectorySearcher.FindAll(Boolean findMoreThanOne) at System.DirectoryServices.DirectorySearcher.FindOne() at Chain_Of_Custody.Classes.Authentication.LdapAuthentication.IsAuthenticated() I've tried changing the authentication types, I'm not sure what's going on. See also: http://stackoverflow.com/questions/290548/c-validate-a-username-and-password-against-active-directory

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  • Why does the the Java VM not recover after "Too many open files" errors?

    - by Michael
    In certain well-understood circumstances, our application will open too many sockets (database connections) and reach the maximum open files that the OS allows. We understand this; we are fixing the issue and also bumping up the limit. What we can't explain is why parts of our application don't recover even after the number of connections abates and we're well within the limit. In this case, it's an application running under Tomcat. When this happens, we first start seeing "Too many open files" errors: SEVERE: Socket accept failed java.net.SocketException: Too many open files at java.net.PlainSocketImpl.socketAccept(Native Method) at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:390) at java.net.ServerSocket.implAccept(ServerSocket.java:453) at java.net.ServerSocket.accept(ServerSocket.java:421) at org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket(DefaultServerSocketFactory.java:61) at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:310) at java.lang.Thread.run(Thread.java:619) Eventually, we start seeing NoClassDefFoundErrors inside an application thread that's trying to open HTTP connections: java.lang.NoClassDefFoundError: org/apache/commons/httpclient/protocol/ControllerThreadSocketFactory at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:128) at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707) at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1349) [...] Caused by: java.lang.ClassNotFoundException: org.apache.commons.httpclient.protocol.ControllerThreadSocketFactory at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) ... 8 more When the errant connections go away, the server starts accepting connections again, and everything seems ok, but we're left with the latter error constantly being spewed to stderr. Although the application typically logs unloaded classes to stdout, I don't see any such logs just before, during or after the "Too many open files" errors. My initial theory was that the Hotspot JVM would unload seemingly unused classes when it encounters "Too many open files," but if so, it doesn't log the fact. I'd also expect it to recover if that were the case. Platform details: Java(TM) SE Runtime Environment (build 1.6.0_14-b08) Java HotSpot(TM) 64-Bit Server VM (build 14.0-b16, mixed mode) Apache Tomcat Version 6.0.18

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