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Perf4J Logging Config Help

- by manyxcxi

I currently have a long running process that I am trying to analyze with Perf4J. I currently have it writing results in CSV format to its own log file using the AsyncCoalescingStatisticsAppender and a StatisticsCsvLayout on the file appender. My question is; when I try and use the --graph option from the command line (using the perf4j jar) it isn't populating the data points- it isn't populating anything. Are my appenders set incorrectly? The log file contains hundreds (sometimes thousands) of data points of about 10 different tag names. <appender name="perfAppender" class="org.apache.log4j.FileAppender"> <param name="File" value="perfStats.log"/> <layout class="org.perf4j.log4j.StatisticsCsvLayout"> </layout> </appender> <appender name="CoalescingStatistics" class="org.perf4j.log4j.AsyncCoalescingStatisticsAppender">  <param name="TimeSlice" value="10000"/> <appender-ref ref="ConsoleAppender"/> <appender-ref ref="CompositeRollingFileAppender"/> <appender-ref ref="perfAppender"/> </appender>

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Continue overflow:auto behavior when page is resized smaller, instead of shifting to the side?

- by danielle

Sorry if the title was confusing; I've included some screen shots to more clearly explain my problem. I have a page that has a side navigation menu on the left, and a main div (with the tables) on the right: When the page is resized to be smaller, the "overflow-x:auto" property of the "main" div brings up a horizontal scrollbar: However, when the window becomes narrow to the point that the "main" div reaches the border of the side navigation menu (with the title "Contents"), the "main" div ceases to continue producing the horizontal scrollbar and instead meshes with the menu: Here is the CSS for the "main" div: #main { height: 100%; width: 65%; min-width: 10%; float:right; overflow-y: auto; overflow-x: auto; padding: 0 20px 20px;} and the left side menu: #sidenav{ margin-left: 20px; float: left; overflow-x:auto; overflow-y:auto;} Both of those divs are encapsulated together in "container": .container { bottom: 20px; left: 0; position: absolute; right: 0; top: 50px; } How can I rewrite my code in such a way that the "main" div will continue to use its horizontal scrollbar, and never cross the boundary of the side navigation menu? Thanks in advance!

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Proper use of the IDisposable interface

- by cwick

I know from reading the MSDN documentation that the "primary" use of the IDisposable interface is to clean up unmanaged resources http://msdn.microsoft.com/en-us/library/system.idisposable.aspx. To me, "unmanaged" means things like database connections, sockets, window handles, etc. But, I've seen code where the Dispose method is implemented to free managed resources, which seems redundant to me, since the garbage collector should take care of that for you. For example: public class MyCollection : IDisposable { private List<String> _theList = new List<String>(); private Dictionary<String, Point> _theDict = new Dictionary<String, Point>(); // Die, you gravy sucking pig dog! public void Dispose() { _theList.clear(); _theDict.clear(); _theList = null; _theDict = null; } My question is, does this make the garbage collector free memory used by MyCollection any faster than it normally would? edit: So far people have posted some good examples of using IDisposable to clean up unmanaged resources such as database connections and bitmaps. But suppose that _theList in the above code contained a million strings, and you wanted to free that memory now, rather than waiting for the garbage collector. Would the above code accomplish that?

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javascript: what does this syntax means?

- by user1067138

it is like this: (function () { //codes here })(); here is an example: (function () { var D = TED.EditorCore, E = TED.extend, A = TED.EditorInstanceManager, B = TED.augmentObject; window.TED["SimpleEditor"] = C; function C(F) { C.superclass.call(this, F) } C.defaultConfig = { height: "100px", width: "400px", //blablabla... flashNumLimit: 10, didaDelay: 300, imageWidthLimit: 570 }; E(C, D, { getContentLength: function () { return Math.ceil(this.filteHTML(this.editArea.innerHTML, ["img", "br"]).replace(/<img[^>]*>/gi, "mm").replace(/<br[^>]*>/gi, "m").replace(/ /gi, "m").replace(/[^\x00-\xff]/g, "mm").length / 2) }, filteEditHTML: function () { return html = this.editArea.innerHTML.replace(/_moz_dirty=""/gi, "").replace(/\[/g, "[[-").replace(/\]/g, "-]]").replace(new RegExp("<\\/?(?:br[^>]*)>", "gi"), "[$1]").replace(new RegExp('<span([^>]*class="?at"?[^>]*)>', "gi"), "[span$1]").replace(new RegExp('<img([^>]*class="?(?:' + this.config.emptyClassName + "|" + this.config.smileyClassName + ')"?[^>]*)>', "gi"), "[img$1]").replace(/<[^>]*>/g, "").replace(/\[\[\-/g, "[").replace(/\-\]\]/g, "]").replace(new RegExp("\\[(/?(?:br|img|span)[^\\]]*)\\]", "gi"), "<$1>") }, filteSubmitHTML: function () { this.reLayout(); var G = this.editArea.innerHTML.replace(/_moz_dirty=""/gi, "").replace(/\[/g, "[[-").replace(/\]/g, "-]]").replace(new RegExp("<(/?(?:" + this.submitValidHTML.join("|") + ")[^>]*)>", "gi"), "[$1]").replace(new RegExp('<img([^>]*class="?(?:' + this.config.imageClassName + "|" + this.config.smileyClassName + "|" + this.config.flashClassName + "|" + this.config.musicClassName + ')"?[^>]*)>', "gi"), "[img$1]").replace(/<[^>]*>/g, "").replace(/\[\[\-/g, "[").replace(/\-\]\]/g, "]").replace(new RegExp("\\[(/?(?:" + this.submitValidHTML.join("|") + "|img)[^\\]]*)\\]", "gi"), "<$1>"); var F = document.createElement("div"); F.innerHTML = G; this.parseURL(F); return F.innerHTML } }); B(C, A) })(); what exactly does (funtion (){})(); do?

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jQuery and MooTools Conflict

- by flipflopmedia

Okay, so I got jQuery to get along with MooTools with one script, by adding this at the top of the jQuery script: var $j = jQuery.noConflict(); and then replacing every: $( with $j( But how would you get MooTools to like the following script that using jQuery?? Thanks in advance for any input, Tracy //Fade In Content Viewer: By JavaScript Kit: http://www.javascriptkit.com var fadecontentviewer={ csszindex: 100, fade:function($allcontents, togglerid, selected, speed){ var selected=parseInt(selected) var $togglerdiv=$("#"+togglerid) var $target=$allcontents.eq(selected) if ($target.length==0){ //if no content exists at this index position (ie: stemming from redundant pagination link) alert("No content exists at page number "+selected+"!") return } if ($togglerdiv.attr('lastselected')==null || parseInt($togglerdiv.attr('lastselected'))!=selected){ var $toc=$("#"+togglerid+" .toc") var $selectedlink=$toc.eq(selected) $("#"+togglerid+" .next").attr('nextpage', (selected<$allcontents.length-1)? selected+1+'pg' : 0+'pg') $("#"+togglerid+" .prev").attr('previouspage', (selected==0)? $allcontents.length-1+'pg' : selected-1+'pg') $target.css({zIndex: this.csszindex++, visibility: 'visible'}) $target.hide() $target.fadeIn(speed) $toc.removeClass('selected') $selectedlink.addClass('selected') $togglerdiv.attr('lastselected', selected+'pg') } }, setuptoggler:function($allcontents, togglerid, speed){ var $toc=$("#"+togglerid+" .toc") $toc.each(function(index){ $(this).attr('pagenumber', index+'pg') }) var $next=$("#"+togglerid+" .next") var $prev=$("#"+togglerid+" .prev") $next.click(function(){ fadecontentviewer.fade($allcontents, togglerid, $(this).attr('nextpage'), speed) return false }) $prev.click(function(){ fadecontentviewer.fade($allcontents, togglerid, $(this).attr('previouspage'), speed) return false }) $toc.click(function(){ fadecontentviewer.fade($allcontents, togglerid, $(this).attr('pagenumber'), speed) return false }) }, init:function(fadeid, contentclass, togglerid, selected, speed){ $(document).ready(function(){ var faderheight=$("#"+fadeid).height() var $fadecontents=$("#"+fadeid+" ."+contentclass) $fadecontents.css({top: 0, left: 0, height: faderheight, visibility: 'hidden'}) fadecontentviewer.setuptoggler($fadecontents, togglerid, speed) setTimeout(function(){fadecontentviewer.fade($fadecontents, togglerid, selected, speed)}, 100) $(window).bind('unload', function(){ //clean up $("#"+togglerid+" .toc").unbind('click') $("#"+togglerid+" .next", "#"+togglerid+" .prev").unbind('click') }) }) } }

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Listing down stored records localStorage | Google Chrome Extensions

- by Jamie

How do I get to list down the stored records in the for loop? Basically I want it to list down the records like this: '<div id="record_' + number + '">' + localstorage value + '</div>' The number in the class should add 1 every record, e.g. 1, 2, 3, 4 every record it lists down, and so on. The localstorage value should show the localStorage[] but the problem is, the localStorage name has the same, e.g. (clicks on button) it will save the value of the URL into a localStorage I then open the application and shows the window.html inside there is list of stored records by using this: '<div id="record_' + number + '">' + localstorage value + '</div>' INCLUDING the record number to add per record 1, 2, 3, etc... like this: <div id="record_1">localstorage value</div> <div id="record_2">localstorage value</div> <div id="record_3">localstorage value</div> <div id="record_4">localstorage value</div> <div id="record_5">localstorage value</div> <div id="record_6">localstorage value</div> etc...

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function (blurClass) NOT WORKING IN IE

- by Erik

I can't get this plugin to function properly in IE.... Check out my homepage and look at the huge search field toward the top... www.naturalskin.com Whenever I refresh the screen the "blur" looses its function and I'm stuck with text..... Here is the script that I place in an external js page: http://www.naturalskin.com/src/js/javascript/batches.js jQuery.fn.hint = function (blurClass) { if (!blurClass) { blurClass = 'blur'; } return this.each(function () { // get jQuery version of 'this' var $input = jQuery(this), // capture the rest of the variable to allow for reuse title = $input.attr('title'), $form = jQuery(this.form), $win = jQuery(window); function remove() { if ($input.val() === title && $input.hasClass(blurClass)) { $input.val('').removeClass(blurClass); } } // only apply logic if the element has the attribute if (title) { // on blur, set value to title attr if text is blank $input.blur(function () { if (this.value === '') { $input.val(title).addClass(blurClass); } }).focus(remove).blur(); // now change all inputs to title // clear the pre-defined text when form is submitted $form.submit(remove); $win.unload(remove); // handles Firefox's autocomplete } }); }; Erik

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JQuery jqGrid vertical spacing issue in IE

- by JW

I have been developing an app to use jQuery's jqGrid plugin, and I thought I had it all wrapped up until I tried to view the grid in IE. In IE, the grid appears with a much larger height in the .ui-jqgrid-view div, but the data itself stays at a smaller size and displays at the bottom of the container div (.ui-jqgrid-view). I need to get the grid to display "properly". I don't care if it is the larger size (that IE displays) or smaller (as in FF)... I just need to have the data fill the grid area. Thanks! I uploaded a screenshot: here Grid Code: $("#list").jqGrid({ url: gDataPath, datatype: 'json', mtype: 'GET', colNames: ['Id', 'VId', 'First Name', 'Last Name', 'MId'], colModel: [ { name: 'ID1', index: 'ID1', width: 75, align: 'left' }, { name: 'VID', index: 'VID', width: 75, align: 'left' }, { name: 'FirstName', index: 'FirstName', width: 225, align: 'left' }, { name: 'LastName', index: 'LastName', width: 225, align: 'left' }, { name: 'MIDno', index: 'MIDno', width: 260, align: 'left'}], pager: jQuery('#pager'), rowNum: 100, rowList: [50, 100, 200, 500], sortname: 'ID1', sortorder: "desc", viewrecords: true, imgpath: 'http://mysite/Content/images', caption: 'Project Name Data', ondblClickRow: function(rowid, iRow, iCol) { var i = jQuery("#list").getRowData(rowid); window.location = '<%=linkPath %>/'+ i.VisitID; } });

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How to access CSS generated content with JavaScript

- by Boldewyn

I generate the numbering of my headers and figures with CSS's counter and content properties: img.figure:after { counter-increment: figure; content: "Fig. " counter(section) "." counter(figure); } This (appropriate browser assumed) gives a nice labelling "Fig. 1.1", "Fig. 1.2" and so on following any image. Question: How can I access this from Javascript? The question is twofold in that I'd like to access either the current value of a certain counter (at a certain DOM node) or the value of the CSS generated content (at a certain DOM node) or, obviously, both information. Background: I'd like to append to links back-referencing to figures the appropriate number, like this: <a href="#fig1">see here</h> ------------------------^ " (Fig 1.1)" inserted via JS As far as I can see, it boils down to this problem: I could access content or counter via getComputedStyle: var fig_content = window.getComputedStyle( document.getElementById('fig-a'), ':after').content; However, this is not the live value, but the one declared in the stylesheet. I cannot find any interface to access the real live value.

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Efficient data importing?

- by Kevin

We work with a lot of real estate, and while rearchitecting how the data is imported, I came across an interesting issue. Firstly, the way our system works (loosely speaking) is we run a Coldfusion process once a day that retrieves data provided from an IDX vendor via FTP. They push the data to us. Whatever they send us is what we get. Over the years, this has proven to be rather unstable. I am rearchitecting it with PHP on the RETS standard, which uses SOAP methods of retrieving data, which is already proven to be much better than what we had. When it comes to 'updating' existing data, my initial thought was to query only for data that was updated. There is a field for 'Modified' that tells you when a listing was last updated, and the code I have will grab any listing updated within the last 6 hours (give myself a window in case something goes wrong). However, I see a lot of real estate developers suggest creating 'batch' processes that run through all listings regardless of updated status that is constantly running. Is this the better way to do it? Or am I fine with just grabbing the data I know I need? It doesn't make a lot of sense to me to do more processing than necessary. Thoughts?

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How to open child forms positioned within MDI parent in VB.NET?

- by user961627

How do we arrange child forms in a parent MDI window? I'm able to call and display a child form from a menu on the parent, but the child pops up outside the parent - I want it to actually be inside the parent. I've checked in C# and VB.Net solutions but they all say pretty much the same, i.e. try to access LayoutMDI, such as here: http://msdn.microsoft.com/en-us/library/x9fhk181.aspx The problem is, where do I access this? When I'm in the code of my MDI parent, Me.LayoutMdi is not recognized. In which part of the application do I put the Me.LayoutMDI code? Edit The Me.LayoutMDI code worked in the parent after all. I'd been trying for a while but don't know where I was going wrong. However, the child continues to pop up out of the parent. Here's an image of how that happens. The broader form in the back is the parent, and the one with the gridview and two buttons is the new child that popped up. I want it to pop up "Docked" within the parent.

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Sharepoint isn't accepting new Credentials initially when switching users.

- by Tiziani

Hi all, I have a standard website (one webapplication and one site collection) with some custom pages and webparts. The issue I'm having is that when I try to switch users, using the "Sign In As a Different User" and entering new credentials (even for another site collection admin account), IE tries the account three times, and then it presents a 401 Access Denied screen. After that, if I erase all the stuff of access denied page from the browser's url, I'm logged as the new account I just had entered and was not accepted. After researching for a while on google, I found a KB ( http://support.microsoft.com/kb/970814 ) that might relate, but just tested here and it didn't work at all. The modified method suggested by the KB is the following: function LoginAsAnother(url, bUseSource) { document.cookie="loginAsDifferentAttemptCount=0"; if (bUseSource=="1") { GoToPage(url); } else { //var ch=url.indexOf("?") =0 ? "&" : "?"; //url+=ch+"Source="+escapeProperly(window.location.href); //STSNavigate(url); document.execCommand("ClearAuthenticationCache"); } } But after making this change, it no longer asks for a new credential. Any ideas?

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Create Folders from text file and place dummy file in them using a CustomAction

- by Birkoff

I want my msi installer to generate a set of folders in a particular location and put a dummy file in each directory. Currently I have the following CustomActions: <CustomAction Id="SMC_SetPathToCmd" Property="Cmd" Value="[SystemFolder]cmd.exe"/> <CustomAction Id="SMC_GenerateMovieFolders" Property="Cmd" ExeCommand="for /f "tokens=* delims= " %a in ([MBSAMPLECOLLECTIONS]movies.txt) do (echo %a)" /> <CustomAction Id="SMC_CopyDummyMedia" Property="Cmd" ExeCommand="for /f "tokens=* delims= " %a in ([MBSAMPLECOLLECTIONS]movies.txt) do (copy [MBSAMPLECOLLECTIONS]dummy.avi "%a"\"%a".avi)" /> These are called in the InstallExecuteSequence: <Custom Action="SMC_SetPathToCmd" After="InstallFinalize"/> <Custom Action="SMC_GenerateMovieFolders" After="SMC_SetPathToCmd"/> <Custom Action="SMC_CopyDummyMedia" After="SMC_GenerateMovieFolders"/> The custom actions seem to start, but only a blank command prompt window is shown and the directories are not generated. The files needed for the customaction are copied to the correct directory: <Directory Id="WIX_DIR_COMMON_VIDEO"> <Directory Id="MBSAMPLECOLLECTIONS" Name="MB Sample Collections" /> </Directory> <DirectoryRef Id="MBSAMPLECOLLECTIONS"> <Component Id="SampleCollections" Guid="C481566D-4CA8-4b10-B08D-EF29ACDC10B5" DiskId="1"> <File Id="movies.txt" Name="movies.txt" Source="SampleCollections\movies.txt" Checksum="no" /> <File Id="series.txt" Name="series.txt" Source="SampleCollections\series.txt" Checksum="no" /> <File Id="dummy.avi" Name="dummy.avi" Source="SampleCollections\dummy.avi" Checksum="no" /> </Component> </DirectoryRef> What's wrong with these Custom Actions or is there a simpler way to do this?

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Flexible design - customizable entity model, UI and workflow

- by Ngm

Hi All, I want to achieve the following aspects in the software I am building: 1. Customizable entity model 2. Customizable UI 3. Customizable workflow I have thought about an approach to achieve this, I want you to review this and make suggestions: Entity objects should be plain objects and will hold just data Separate Entity model and DB Schema by using an framework (like NHibernate?). This will allow easy modification of entity objects. Business logic to fetch/modify entities has to be granular enough so that they can be invoked as part of the workflow. Business objects should not hold any state, and hence will contain only static methods The workflow will decide depending upon the "state" of an entity/entities which methods on business object/objects to invoke. The workflow should obtain the results of the processing and then pass on the business objects to the appropriate UI screen. The UI screen has to contain instructions about how to display a given entity/entites. Possibly the UI has to be generated dynamically based on a set of UI instructions. (like XUL) What do you think about this approach? Suggest which existing frameworks (like NHiberante, Window Workflow) fit into this model, so that I will not spend time on coding these frameworks Also suggest is there any asp.net framework that can generate dynamic asp.net ajax pages based on a set of UI instructions (like Mozilla XUL)? I have recently been exploring Apache Ofbiz and was impressed by its ability to customize most areas of the application: UI, workflow, entities. Is there any similar (not necessarily an ERP system) application developed in C#/.Net which offers a similar level of customization? I am looking for examples of applications developed in C# that are highly customizable in terms of UI, Workflow and Entity Model

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How to use a linkedList and multiple classes with my Java GUI

- by Asj

How should I use a linked list with my GUI program? The program is supposed to have blocks with textareas and dropdown menus. The number of blocks depends on the number of times the user presses a button. It's supposed to be possible to put blocks within blocks. I want to store the information created, using a linked list and then saving to a file. I'm thinking, for the sub blocks, there would be linked lists within the linked list. Should I use Java.util.LinkedList? How do I add the information? A Node class? Should that be in a separate file? I started to try sitting up a linked list, but it's getting me confused. I'm still unsure about how a person is supposed to make GUI's. I've only seen really simple GUI's. Can anyone tell me how I should arrange things? At the moment, I have three files, one for the main GUI window, one for the question blocks to be inserted within that, and one for some tools to use within those two files to make the code easier to understand. But, there seems to be something wrong with the question block file, because I've been making the background white for each JPanel, and there's a gray outline around the question blocks when I run the program. I probably shouldn't paste a ton of code here... These are my files: http://asj127.webs.com/BuildAssessmentWindow.java http://asj127.webs.com/QuestionBlock.java http://asj127.webs.com/JPanelTools.java

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Jquery .hide problem

- by Sergio

I'm using jquery to show animated MSN like window at the bottom of the page. Jquery code: $(document).ready(function() { $(" .inner").stop().animate({height:'142px'},{queue:false, duration:600}); $(' .close').click(function(event) { $(' .inner').hide(); }); $(' .inner').click(function() { location.replace("somepage.php"); }); }); The CSS: .close {height:14px; z-index:100; position: absolute; margin-left:174px; margin-top:12px; border:1px solid #F00;} .inner {position:absolute;bottom:0;width:201px;height:117px;right: 0; margin-right:10px; float:left; z-index:-1; display:block; cursor:pointer;} The problem that I have with this code is that the close button (showing at the right top corner of .inner DIV) can't fire Jquery .hide function. Why?

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Is it possible to write a class that interacts with controls on my WPF form?

- by Adam S

Hi all, I'm trying to write a class that I can use to interact with a group of similar controls in my wpf application. I have hit a few roadblocks and now I am wondering if this is a poor approach to begin with. I want to do this primarily to make my code more manageable - I have to interact with around 200 - 300 controls with my code, and it could get very tricky to have all my code in the main window class. Here's something I'd like to be able to do: class ProcControl { private CheckBox * [] Boxes = new CheckBox[10]; ProcControl() { //set boxes 0-9 to point to the actual checkboxes } //provides mass checking/unchecking functionality public void Refactor(CheckBox box) { //see what box it is int box_index = 0; while (Boxes[box_index] != box) { box_index++; } } } This doesn't work as it is right now. I have not figured out how to get my Boxes[] array to point to the actual checkboxes on my form, so I can't interact with them yet. Is it even possible to make an array that points to a bunch of controls so that I may process their properties in a nice manner? Why can't I access the controls at all from inside my class?

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Can't create new xib files in Xcode projects

- by Reed Olsen

This one is a doozy... My buddy just downloaded the iPhone SDK on his Snow Leopard MacBook Pro. No matter what kind of project he creates (Window Based, View Based, etc...,) he can't create or use his own xib files. The project will compile and run fine until he adds a new xib file. Here are some symptoms: When he selects a pre-generated xib in Xcode (such as MainWindow.xib), no preview is shown on the right hand side. Double clicking on this file will open it in interface builder (This is correct behavior). When he selects his own custom xib, the preview pane displays the XML content of the xib. Double clicking on his custom xib opens up the XML file in Xcode - as if it were a standard code file (This is jacked up). Opening his custom xib from finder opens it in Interface Builder. When building the application, the build warning says something to the effect of "Warning: No rule to process file /path/to/CustomXib of type sourcecode.xib for architecture i386" At runtime he gets the error: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIViewController _loadViewFromNibNamed:bundle:] was unable to load a nib named "MyCustomXib"' We've uninstalled Xcode from the command line and reinstalled. I've verified that it's the right version for his machine. I'm stumped!

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Printing an invisible NSView

- by Rodger Wilson

Initially I created a simple program with a custom NSView. I drew a picture (certificate) and printed it! beautiful! Everything worked great! I them moved my custom NSView to an existing application. My hope was that when a user hit print it would print this certificate. Simple enough. I figured a could have a NSView pointer in my controller code. Then at initialization I would populate the pointer. Then when someone wanted to print the certificate it would print. The problem is that all of my drawing code is in the "drawRect" method. This method doesn't get called because this view is never displayed in a window. I have heart that others use non-visible NSView objects just for printing. What do I need to do. I really don't want to show this view to the screen. Rodger

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C#: Why am I still getting an RCW error when exiting my application?

- by shifuimam

To be specific, the error is: An attempt has been made to free an RCW that is in use. The RCW is in use on the active thread or another thread. Attempting to free an in-use RCW can cause corruption or data loss. The application in question is a small applet that displays the current clock speed of the CPU as a system tray icon. I'm using a System.Timers.Timer object to refresh the systray icon at an interval of 2.5 seconds. There's a single context menu item to exit the application, which uses the following function to unload everything: public void ExitApp(object sender, EventArgs e) { //stop and disable the timer theInterval.Stop(); theInterval.Enabled = false; //unload the system tray icon TheIcon.Visible = false; //exit the application Application.Exit(); } If I take out everything but Application.Exit(); I get an RCW error and the systray icon doesn't go away until I mouse over it. Everything was working perfectly until I changed the window style of the hidden form used to initialize the systray icon and the timer. If it helps any, I'm using C# 2010 Express.

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log4js ConsoleAppender initialization

- by perrierism

I'm wondering if anyone happens to have some experience using Log4js? It seems its normal ConsoleAppender isn't always ready to use immediately after it's added to a logger object... If I have two sequential script tags in a document like: //Initialize logger <script type="text/javascript"> var logger = new Log4js.getLogger("JSLOG"); logger.addAppender(new Log4js.ConsoleAppender(logger, false)); logger.setLevel(Log4js.Level.INFO); </script> //Use logger <script type="text/javascript"> logger.info('Test test'); </script> ... It causes the console pop-up (pop-up window) to appear with an error message on page load: 12:58:23 PM WARN Log4js - Could not run the listener function () { return fn.apply(object, arguments); }. TypeError: this.outputElement is null The console is still initialised, it's there afterward, but for just that first logger call it doesn't seem to be there fully. If I make the first logger call setTimeout("logger.info('test test')", 1000), it doesn't have the error. So it's like it's not ready immediately. Anyone see this before or know what a workaround might be? Cheers

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Delphi, PGDac vs Zeos, Fetch, Lookup?

- by durumdara

Hi! I used Zeos to test to know: is ZTable uses fetch technics, or not? May in the future we migrate our lesser system to PGSQL, and this used now "Table" components (as BDE, but it have an SQL-like server). These tables use real cursors, a "Window" with N record, so lookup is very fast, because the Locate/Lookup is started on server, and only these N records are refreshed, no matter, how many records in the lookup table. PGSQL uses fetch technics as I know, and I tested it with a table (id int, name varchar(100)), and 1 million records. (I also trying this with mysql). The adapter is Zeos. ID, sec to find, allocated memory in bytes on client. MySQL 500000 2,761 113 196 344 1000000 3,214 225 471 232 313800 0,437 225 471 232 328066 0,468 225 471 232 276374 0,390 225 471 232 905984 1,264 225 471 232 260253 0,359 225 471 232 PGSQL 500000 3,042 113 188 184 1000000 3,744 225 463 064 313800 0,436 225 463 064 328066 0,452 225 463 064 276374 0,375 225 463 064 905984 1,295 225 463 064 260253 0,359 225 463 064 142023 0,203 225 463 064 As you see the records are fetched locally, this cause the 225 MB usage, and searches are slow a little, based where is the record we must find. I want to ask more things: a.) Is PGDAC have some technics to we can use the lookups without pay the fetch with memory and secs? b.) Or is PG ODBC driver can help in this problem with ADO? (As I know ADO can use server side cursors)? c.) Have anybody some experience with lookup tables, and performance? Is this critical question or it is not? (With client memory usage too). d.) If no chance to avoid fetch hell with lookups, what we can do? Server Side Joins, and unique code for Lookup field changing without real Lookup? Thanks for your help: dd

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Dojo Widgets not rendering when returned in response to XhrPost

- by lazynerd

I am trying to capture the selected item in a Dijit Tree widget to render remaining part of the web page. Here is the code that captures the selected item and sends it to Django backend: <div dojoType="dijit.Tree" id="leftTree" store="leftTreeStore" childrenAttr="folders" query="{type:'folder'}" label="Explorer"> <script type="dojo/method" event="onClick" args="item"> alert("Execute of node " + termStore.getLabel(item)); var xhrArgs = { url: "/load-the-center-part-of-page", handleAs: "text", postData: dojo.toJson(leftTreeStore.getLabel(item), true), load: function(data) { dojo.byId("centerPane").innerHTML = data; //window.location = data; }, error: function(error) { dojo.byId("centerPane").innerHTML = "<p>Error in loading...</p>"; } } dojo.byId("centerPane").innerHTML = "<p>Loading...</p>"; var deferred = dojo.xhrPost(xhrArgs); </script> </div> The remaining part of the page contains HTML code with dojo widgets. This is the code sent back as 'response' to the select item event. Here is a snippet: <div dojoType="dijit.layout.TabContainer" id="tabs" jsId="tabs"> <div dojoType="dijit.layout.BorderContainer" title="Dashboard"> <div dojoType="dijit.layout.ContentPane" region="bottom"> first tab </div> </div> <div dojoType="dijit.layout.BorderContainer" title="Compare"> <div dojoType="dijit.layout.ContentPane" region="bottom"> Second Tab </div> </div> </div> It renders this html 'response' but without the dojo widgets. Is handleAs: "text" in XhrPost the culprit here?

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Internet Explorer cannot 'fully' load ActiveX Control

- by K Browne

Context I am migrating an installer for an ActiveX control from Per-Machine to Per-User. I did this by programming the installer write to HKCU\Software\Classes instead of HKLM\Software\Classes. Problem On my machine (Windows 7 with UAC Enabled), the ActiveX control successfully loads. On the other windows 7 test machines (one with UAC enabled, one with UAC disabled), the control 'partially' loads. What is Partially? When a user visits a page with the ActiveX control, Internet Explorer displays a warning message in a yellow bar on the top of the window. If you click the 'Run add-on' button in the bar, the control becomes visible and begins to run, but Javascript code that tries to access properties of the control return the error: Library not registered. Differences between machines On the dev machine reads from HKCR\CLSID\<GUID> succeed while on the test machines these reads fail. Reads from HKCU succeed on both dev and test machines. Reads from HKLM fail on both test and dev machines. (I collected reads using Sysinternals Process Monitor) Strangely, the keys that Internet Explorer fails to read are clearly visible if I use regedit to view HKCR\CLSID\<GUID> on the test machines. Question What can I do to get the per-user control to load on the test machines? What could cause this difference between the dev machine and the test machines? Why can I see the key in HKCR with RegEdit but Internet Explorer cannot see the key? Any help is appreciated. Thank you.

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How to implement the Facebook "Like" button for my website

- by vamsivanka

I am trying to implement facebook like button on my website. The first four lines in the code is already there on my site after the end of the "" tag. To implement the "Like button" i have added the second script (Line five to the end) and ran the application. Its giving me an error as "Microsoft Jscript runtime error:'_onLoad' is null or not an object" Please Let me know. Thanks <script type="text/javascript" src="http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php"></script> <script type="text/javascript"> FB.init("myapikey", "xd_receiver.htm", { "reloadIfSessionStateChanged": true }); </script> <script type="text/javascript"> window.fbAsyncInit = function() { FB.init({appId: 'myappid', status: true, cookie: true, xfbml: true}); }; (function() { var e = document.createElement('script'); e.async = true; e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js'; document.getElementById('fb-root').appendChild(e); }()); </script> References: http://developers.facebook.com/docs/reference/plugins/like <fb:like href="http://webclip.in" layout="standard" show-faces="true" width="450" action="like" font="arial" colorscheme="light"/>

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