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• Log out of an SSH session into Erlang VM without stopping the VM or leaving stale processes

  - by Garret Smith

  I have an Erlang application running as a daemon, configured as an SSH server. I can connect to it with an SSH client and I get the standard Erlang REPL. If I 'q().' I shut down the Erlang VM, not the connection. If I close the connection ('~.' for OpenSSH, close the window in PuTTY) some processes remain under the sshd_sup/ssh_system_xx_sup tree. These appear to be stale shell processes. I do not see any exported function in the shell module that would let me shut down the shell (and therefore the SSH connection) without affecting the entire VM. How should I be logging out of the SSH session to not leave stale processes in the VM?

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• Visual Studio detaches from application as soon as debugging starts

  - by rwmnau

  I have a web application that I've always been able to run in Visual Studio and it debugs just fine (breakpoints work, I can pause execution, etc). Recently, the behavior changed suddenly, and a few things happen: I start debugging, it lauches IE and loads the application, but after a few seconds (sometimes the page hasn't even displayed yet), Visual Studio acts as if debugging has stopped - I'm able to edit code in VS again, and the "Play" button on the toolbar is enabled. The application continues to run in the IE window just spawned, but I'm not attached to it During this few seconds that VS is "debugging", because it detaches, my breakpoints show as hollow - as if I'm set to "Release" mode and they won't be hit. In fact, I have a breakpoint set in Page_Load, and it skips right by. I've checked, and I'm set to debug mode, though the compile mode dropdown is missing from my toolbar (I checked in the build properties to ensure I was in debug mode). Can anybody shed some light here?

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• Is it possible to block a page from opening using securityTrimmingEnabled=true

  - by abatishchev

  I have custom SiteMapProvider and RoleProvider that works together properly: IsAccessibleToUser returns false if current user's role isn't mentioned in SiteMapNode.Roles for page requested. So breadcrumbs or menu doesn't show an item. But user still can type now showed URL directly and open a page. How can I block such behavior? Also I have next Web.config settings: <authorization> <allow roles="Admin,Manager,Client" /> <deny users="*" /> </authorization>

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• do not use com.sun.xml.internal.*?

  - by sarah xia

  Hi all, Is this statement true: com.sun.xml.internal package is an internal package as the name suggestes. Users should not write code that depends on internal JDK implementation classes. Such classes are internal implementation details of the JDK and subject to change without notice One of my colleagues used one of the classes in his code, which caused javac task in Ant fail to compile our project as the compiler couldn't find the class. Answer from Sun/Oracle says that this is expected behavior of the compiler as user shouldn't use the package. Question is why the classes in the package made public in the first place? Thanks, Sarah

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• problem with date returning wrong day although the timestamp is correct!

  - by Spiros

  I have a bizzare problem with php date function. code: $numDays = 8; $date = strtotime('2010-11-06'); for ($i=1; $i<=$numDays; $i++) { $thisDay = date("D, d M Y", $date); print ($thisDay.'<br>'); $date+=86400; // add one day to timestamp } result on my server (local host, windows): Sat, 06 Nov 2010 Sun, 07 Nov 2010 Mon, 08 Nov 2010 Tue, 09 Nov 2010 Wed, 10 Nov 2010 Thu, 11 Nov 2010 Fri, 12 Nov 2010 Sat, 13 Nov 2010 Result on my web server (linux) Sat, 06 Nov 2010 *Sun, 07 Nov 2010 Sun, 07 Nov 2010* Mon, 08 Nov 2010 Tue, 09 Nov 2010 Wed, 10 Nov 2010 Thu, 11 Nov 2010 Fri, 12 Nov 2010 Notice how Sun, 07 Nov 2010 appears twice on the remote server?? Why is this happening? can anyone explain this Behavior?

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• How do you access config outside of a request in CherryPy?

  - by OrganicPanda

  I've got a webapp running on CherryPy that needs to access the CherryPy config files before a user creates a request. The docs say to use: host = cherrypy.request.app.config['database']['host'] But that won't work outside of a user request. You can also use the application object when you start the app like so: ... application = cherrypy.tree.mount(root, '/', app_conf) host = application.config['database']['host'] ... But I can see no way of accessing 'application' from other classes outside of a user request. I ask because our app looks at several databases and we set them up when the app starts rather than on user request. I have a feeling this would be useful in other places too; so is there any way to store a reference to 'application' somewhere or access it through the CherryPy API?

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• Target not being executed when imported to the main *.proj file

  - by Zbigniew Kawalec

  I use the TFS 2008 build facilities. I have a large MSBuild project (TFSBuild.proj) and I wanted to split it into a few files because it is becoming hard to maintain. I found a strange behavior; when I extracted one of the targets (BeforeInitializeWorkspace) to a separate file and then imported it into the main *.proj file, it was not executed. Although, in my MSBuild log, there was information that the target has been imported and overridden, but hasn't been executed. If I have the same target defined in my main *.proj file, it is executed. Can someone explain why the target isn't executed when imported from a file? Thanks,

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• How to make the arrows keys act as another keys ? C#

  - by le.shep20

  Hi. How to make the left arrow act like . (dot), when a user press the left arrow in a textbox it will type . and also in the same way how to make the right arrow act like - ( dash) And I want to use the Contol key to switch between 2 modes: . and dash, regular arrows behavior, mean when a user press Control the tow arrows will act as . and dash. And when a user press agian the control the 2 arrows will act as usual arrows. Thanks,

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• sharepoint online quick launch

  - by Brian

  Hello, we are converting from sharepoint 2003 to sharepoint on line. I am having trouble reproducing a specific behavior in the online version. If a choose a list, I get a "select a view" navigation on the left hand side of the page showing the available views. When a new view is created, it automatically appears on this navigation list. In the online sharepoint, instead there is a view dropdown. I know I can manually setup links on the quick launch but I'm looking for an automatic way to do this. Can the online sharepoint be set up so that when views are added they automatically appear as left-hand links? Or can the "views" dropdown be moved to the left side which would be an acceptable work around? Please note I am unfamiliar with SP designer and I do work with .NET but I dont want to go that route just for this issue - thanks.

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• I am not able launch JNLP aaplications using "Java Web Start"?

  - by akjain

  Up until recently, I was able to launch/open JNLP files in Firefox using Java web start. Don't know what happened all of a sudden JNLP files stopped launching, a splash screen appears saying Java Starting... and then nothing happens. Even the Java Console in the browser and javacpl.cpl applet doesn't open. Tried all possibilities: removed all older version and installed the latest JRE (java version "1.6.0_17"), still it doesn't work. Done some googling for this problem, people suggested to start javaws.exe with -viewer option but same behavior (a splash screen appears saying "Java Starting..." and then disappears) The problem is that I don't know any place (logs etc.) to look for to see what is causing the problem. I am using WinXP SP3, and some of the screenshots below shows further info about my system. I can provide any other detail if required but please help me solve this problem. Update: Although this question is bit old, Following solution fixed above issue for me (indeed this was the actual cause)

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• Is Lightweight Code Generation (LCG) dead?

  - by Greg Beech

  In the .NET 2.0-3.5 frameworks, LCG (aka the DynamicMethod class) was a decent way to emit lightweight methods at runtime when no class structure was needed to support them. In .NET 4.0, expression trees now support statements and blocks, and as such appear to provide sufficient functionality to build just about any functionality you could require from such a method, and can be constructed in a much easier and safer way than directly emitting CIL op-codes. (This statement is borne from today's experimentation of converting some of our most complex LCG code to use expression tree building and compilation instead.) So is there any reason why one would use LCG in any new code? Is there anything it can do that expression trees cannot? Or is it now a 'dead' piece of functionality?

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• DLL response is to slow in Visual Studio

  - by magsto

  Hi, I use a 3rd party DLL in my VB.NET project (VS2005) that responds to slow and give wrong values in debug mode. In run-time mode everything works as expected. I do understand that there are something going on in the debug mode which makes the DLL communication slow. This behavior makes it hard to debug the application correctly. Is there any way to force VS to communicate with the DLL in "run-time" mode during debugging but let the rest of the project be in control of the debugger?

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• some OVERLAPS using WSASend not returning in a timely manner using GetQueuedCompletionStatus?

  - by Geoffrey

  Background: I'm using CreateIoCompletionPort, WSASend/Recv, and GetQueuedCompletionStatus to do overlapped socket io on my server. For flow control, when sending to the client, I only allow several WSASend() to be called when all pending OVERLAPs have popped off the IOCP. Problem: Recently, there are occassions when the OVERLAPs do not get returned to the IOCP. The thread calling GetQueuedCompletionStatus does not get them and they remain in my local pending queue. I've verified that the client DOES receive the data off the socket and the socket is connected. No errors were returned when the WSASend() calls were made. The OVERLAPs simply "never" come back without an external stimulus like the following: Disconnecting the socket from the client or server, immediately allows the GetQueuedCompletionStatus thread to retrieve the OVERLAPs Making additional calls to WSASend(), sometimes several are needed, before all the OVERLAPs suddenly pop off the queue. Question: Has anyone seen this type of behavior? Any ideas on what is causing this? Thanks, Geoffrey

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• Bound a treeview control to user-defined complex type using EF 4

  - by GIbboK

  Hi, I use Asp.net, SQL 2008 and EF 4. I need display hierarchy data in a treeview control, Data is stored in a DB that use HierarchyId. Unfortunately, EF4 doesn't support HierarchyId. So in this case, I thought to have a stored procedure that deals with my hierarchy and return a result set back to EF that EF4 can turn into a collection of user-defined complex type that can then be bound directly to the treeview control. I imported a SPROC in EF 4 using Import Function and now I have a Complex DataType called: CategoryHierarchy_Result An image of my Model: Here some data from the Complex Type (in a GridView for example GridView1.DataSource = context.CategoryHierarchy(1);): My questions is: How to display my data from my Complex Type in a TreeView Control, showing a Tree structure that respect CategoryNodeString? I am a beginner an I never use TreeView before, any help or resource would be appreciated! Thanks!. Here some useful resource: http://www.robbagby.com/entity-framework/entity-framework-modeling-action-stored-procedures/

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• Walking a hierarchy table with Linq

  - by Retrocoder

  I have a table with two columns, GroupId and ParentId (both are GUIDS). The table forms a hierarchy so I can look for a value in the “GroupId” filed, when I have found it I can look at its ParentId. This ParentId will also appear in the GroupId of a different record. I can use this to walk up the hierarchy tree from any point to the root (root is an empty GUID). What I’d like to do is get a list of records when I know a GroupId. This would be the record with the GroupId and all the parents back to the root record. Is this possible with Linq and if so, can anyone provide a code snippet?

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• Prevent my program from being flagged as malware

  - by user120242

  I know that this kind of behavior should be avoided in a publicly deployed program, but it's necessary. I do some hooking of process creation and file/registry I/O, and unpacking. I still trip a heuristic here and there, and I'm worried about future detections. Could I just contact as many AV vendors as I can, submit my program, and provide a link to my program being served publicly? Would it be possible to convince AV vendors to "whitelist" it? Does anyone perhaps have a list of places to submit false positives? Another problem I have is with people who don't update their malware scanners. There seems to be many people who just have old malware defintions and never bother to update. Is there anything that can be done about this? Or, if not, a way to check older definitions so I can locate what is being tripped, so I can try to avoid using that code?

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• Change ExtJS Grid Height in Javascript

  - by williamtroup

  How can I point at the object of a ExtJS Grid and manually set the height (in pixels)? For example, with this same: var grid = new Ext.grid.GridPanel({ store: store, columns: [ {id:'company',header: 'Company', width: 160, sortable: true, dataIndex: 'company'}, {header: 'Price', width: 75, sortable: true, renderer: 'usMoney', dataIndex: 'price'}, {header: 'Change', width: 75, sortable: true, renderer: change, dataIndex: 'change'}, {header: '% Change', width: 75, sortable: true, renderer: pctChange, dataIndex: 'pctChange'}, {header: 'Last Updated', width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'} ], stripeRows: true, autoExpandColumn: 'company', height: 350, width: 600, title: 'Array Grid', // config options for stateful behavior stateful: true, stateId: 'grid' }); I would i be able to point at the "grid" object and then set the size of the grid? Any help would be fantastic!

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• How do I flag a folder as being a package?

  - by Pierre Bernard

  I used to think that folders needed to have an extension so that they are recognized as packages by the Finder. That extension would be declared in the owning application's Info.plist. Obviously there is another, more elegant way, but I can't figure out how it is done. E.g. the iPhoto Library is being treated as a package by the Finder. Yet it has no extension. mdls reveals that it indeed has "com.apple.package" in the content type tree. The actual content type is dynamically assigned. How did iPhoto go about to create such a directory?

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• ScrollViewer GridView XAML

  - by Michel Bakker

  I am currently building a Windows 8 XAML C# application. In a page I have a scrollviewer for horizontal swiping and scrolling. I have several controls in it which work really well with the scorllviewer. But when you scroll and your cursor is on top of the ListView / GridView, then that control will handle scrollnig instead of the scrollviewer. With swiping this doesn't happen, but with the mouse scrollwheel it stops the scrollvieweing scroll. Does anybody know how to disable this behavior or have a workaround?

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• Why would bytesTotal increase in a AS3 preloader?

  - by justkevin

  I'm creating a custom preloader for a Flex app and have noticed the following behavior: when loading, the progress bar goes to 100%, then down then back up, and so on until the app is finished loading. When I put a trace in the dowloadprogress listener, I see that while the app is loading, both bytesLoaded and bytesTotal increase, but not necessarily at the same time. Code: private function onDownloadProgress(event:ProgressEvent):void { var loaded:int = event.bytesLoaded; var total:int = event.bytesTotal; trace(event.target,loaded,total); _starfield.progress = loaded/total; } Output: [object Preloader] 134276 134276 [object Preloader] 265348 285007 [object Preloader] 285007 285007 [object Preloader] 678223 1322116 [object Preloader] 809295 1322116 [object Preloader] 1322116 1322116 [object Preloader] 1322116 1322116 [object Preloader] 1387652 1584342 [object Preloader] 1791882 1791882 [object Preloader] 2293133 2293133 [object Preloader] 2362938 2362938 [object Preloader] 2362938 2362938 [object Preloader] 2362938 2362938 Why does bytesTotal change during load?

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• Is there a way to determine if a <select> dropdown menu is open?

  - by Robert

  I'm looking for a way to determine if/when a <select> element's menu is open. I don't need to force it to open or close, just figure out if it's open or closed at a given time. I can listen to events for focus/blur, mouseup/mousedown, etc., but I don't think I can reliably figure out the state of the menu from those events. For example, mousedown followed by mouseup could mean the user clicked and dragged to a selection and released (in which case the menu is now closed) or clicked and released to open the menu (in which case the menu is open). It also seems likely that the specific behavior of dropdown menus is browser-dependent. I know I could do this if I roll my own dropdown menu, but I prefer to use <select>. Is there a reliable way to find out if a dropdown menu is open? Or is this something that Javascript can't know?

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• What's the purpose of having a separate "operator new[]" ?

  - by sharptooth

  Looks like operator new and operator new[] have exactly the same signature: void* operator new( size_t size ); void* operator new[]( size_t size ); and do exactly the same: either return a pointer to a big enough block of raw (not initialized in any way) memory or throw an exception. Also operator new is called internally when I create an object with new and operator new[] - when I create an array of objects with new[]. Still the above two special functions are called by C++ internally in exactly the same manner and I don't se how the two calls can have different meanings. What's the purpose of having two different functions with exactly the same signatures and exactly the same behavior?

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• How to add/register helpers with Zend Framework

  - by manyxcxi

  I'm just starting out with Zend Framework and am having issues using Zend_Controller_Action_HelperBroker::addPath() to add helpers. I'm not sure if my classes are named incorrectly, I'm giving it the wrong prefix, or what I'm doing wrong so I will post the code and file structure and get out of the way. In Bootstrap.php public function __construct($application) { ... // This works with a manual include_once('../application/plugins/helpers/Csrf.php'); //Zend_Controller_Action_HelperBroker::addHelper(new Application_Controller_Action_Helper_Csrf()); // This isn't picking up my helper class automagically Zend_Controller_Action_HelperBroker::addPath('../application/plugins/helpers','Application_Controller_Action_Helper'); ... } In application/plugins/helpers/Csrf.php class Application_Controller_Action_Helper_Csrf extends Zend_Controller_Action_Helper_Abstract { ... } My directory tree: / application/ ... plugins/ helpers/ Csrf.php CsrfProtect.php ...

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• Using ModalAlert from cookbook - app does not load

  - by user127091

  I'm using iphone cookbook code to prompt a user for text in a UIAlertView. The cookbook code is available at http://github.com/erica/iphone-3.0-cookbook-/tree/master/C10-Alerts/03-Soliciting%20Text/ In my AppDelegate, applicationDidFinishLaunching(), I invoke as below NSString *str = [ModalAlert ask:@"what is your name?" withTextPrompt:@"ATTUID"]; But my app does not finish loading at all. I get a black screen indefinitely. There are no messages in the console. I tried creating just a UIAlertView with UITextField in the above function and it displays properly. (commenting out her code) Commenting out "CFRunLoopRun()" also loads the app. I'm probably doing something stupid but can't seem to figure it out.

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• htaccess Redirect - First Segment to PHP File, Second Segment as Parameter

  - by Steve

  My htaccess redirect knowledge is somewhat weak, so I was hoping to get some help here. I currently have the following redirect, which works well: # remove trailing slash RewriteRule ^(.*)/$ /$1 [L,R=301] # redirect to clean URL RewriteCond /%{REQUEST_FILENAME}.php -f RewriteRule ^([a-zA-Z0-9_-\s]+)$ /$1.php This takes a URL like www.mysite.com/about to www.mysite.com/about.php Now I would like to keep this behavior, but add parameters (if applicable), as such: www.mysite.com/about = www.mysite.com/about.php www.mysite.com/gallery/1 = www.mysite.com/gallery.php?id=1 If possible, I might like to expand this system to 2 or more parameters, as such: www.mysite.com/gallery/1/2 = www.mysite.com/gallery.php?id=1&section=2 So the pattern would be: First URL segment redirects to a PHP file (Optionally) the second segment gets added as the id parameter (Optionally) the third segment gets added as the section parameter

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