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• How to prevent Debug.Assert(...) to show a modal dialog

  - by Martin

  I have a couple of libraries which use Debug.Assert(...). I think that the Debug.Assert(...) are fine and I still want them to execute, but I don't want them to block the execution of my application. Ideally, I would only like them to be logged somewhere. Given that I can't change the code of the libraries (and that I still want to compile in debug and run the assertion), how do I prevent Debug.Assert(...) to show a modal dialog? Thanks!

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• How to interpret mono profiler results?

  - by Ovidiu Pacurar

  I created a console application in C# and running it on windows/.NET is 5x faster than on linux/mono or windows/mono. The app encodes some binary files into text format(JSON). I profiled the app on linux/mono using: mono --profile=default:stat myconsoleapp.exe Here is the first part of the result: prof counts: total/unmanaged: 32274/25062 23542 72.95 % mono 459 1.42 % System.Decimal:Divide (System.Decimal,System.Decimal) 457 1.42 % System.Decimal:Round (System.Decimal,int,System.MidpointRounding) 411 1.27 % /lib/libz.so.1 262 0.81 % /lib/tls/i686/cmov/libc.so.6(memmove 253 0.78 % System.Decimal:IsZero () 247 0.77 % System.NumberFormatter:Init (string,double,int) 213 0.66 % System.NumberFormatter:AppendDigits (int,int) 72.95 % mono? Are mono internals using 3 quarters of the total execution time?

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• What interprocess locking calls should I monitor?

  - by Matt Joiner

  I'm monitoring a process with strace/ltrace in the hope to find and intercept a call that checks, and potentially activates some kind of globally shared lock. While I've dealt with and read about several forms of interprocess locking on Linux before, I'm drawing a blank on what to calls to look for. Currently my only suspect is futex() which comes up very early on in the process' execution. Update0 There is some confusion about what I'm after. I'm monitoring an existing process for calls to persistent interprocess memory or equivalent. I'd like to know what system and library calls to look for. I have no intention call these myself, so naturally futex() will come up, I'm sure many libraries will implement their locking calls in terms of this, etc. Update1 I'd like a list of function names or a link to documentation, that I should monitor at the ltrace and strace levels (and specifying which). Any other good advice about how to track and locate the global lock in mind would be great.

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• Disabling javascript in specific block/div (containing suspect HTML) ?

  - by T4NK3R

  Is it, in any way, possible to disable the browsers execution of script inside a block/section/element ? My scenario is, that I'm letting my (future) users create "rich content" (using CK-editor). Content that wil later be shown to other users - with all the dangers that imply: xss, redirection, identity theft, spam and what not... I've, more or less, given up on trying to "sanitize" the incomming XHTML, after seeing how many known "vectors of attack" there are: http://ha.ckers.org/xss.html What I'm really looking for is something like: < div id="userContent"< scriptOFF suspect HTML < /scriptOFF< /div

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• Is it possible to open and edit 2 or more RecordStores at the same time in j2me?

  - by me123

  Hi, I was wondering if it is possible in j2me to have 2 or more recordStores open at the same time. I basically want to be able to add/remove records from 2 different recordStores in the same execution of the code. Is this possible? If so, how would you do it? At the top of the class, you do something like 'private RecordStore rs;' would you need to have two instances of this to make it work or could you do it with the one declaration? Thanks in advance.

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• django: how to interconnect various logical pieces of a webpage

  - by facha

  Hi, everyone. I'm just starting with django, so sorry for a possibly stupid question. Imagine, I have a webpage with 3 logical pieces: content, dynamic menu, banners. It seems ok to me to have a template with something like: {% include "banners.html" %} {% include "menu.html" %} {% include "content.html" %} But then, how do I do it? Every piece has its separate logic in a separate view in its' separate app. How do I trigger execution of all three views and render all three templates? P.S. Is there a sourceforge-like site for django apps where I could take a look at how people are doing stuff in real projects?

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• The system cannot find the file specified.

  - by Sathish

  Till yesterday my webservice was running fine in my local system today when i run the Webservcie or any webproject from VS2005 i get the below error Server Error in '/MyWebService' Application. The system cannot find the file specified. (Exception from HRESULT: 0x80070002) Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.IO.FileNotFoundException: The system cannot find the file specified. (Exception from HRESULT: 0x80070002) Please help me

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• EJB3.1 Remote invocation - is it distributed automatically? is it expensive?

  - by Hank

  I'm building a JEE6 application with performance and scalability in the forefront of my mind. Business logic and JPA2-facade is held in stateless session beans (EJB3.1). As of right now, the SLSBs implement only @Remote-interfaces. When a bean needs to access another bean, it does so via RMI. My reasoning behind this is the assumption that, once the application runs on a bunch of clustered application servers, the RMI-part allows the execution to be distributed across the whole cluster automagically. Is that a correct assumption? I'm fine with dealing with the downsides of that (objects lose entityManager session, pass-by-value), at least I think so. But I am wondering if constant remote invocation isn't adding more load then necessary.

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• Can anyone tell me what's wrong in this part of code

  - by Mobin

  string name = ((DateTimePicker)sender).Name.ToString(); name = name.Substring(0, name.Length - 1); name = name + "4"; TimeSpan duration = new TimeSpan(); duration = ((DateTimePicker)sender).Value - ((DateTimePicker)panel2.Controls[name]).Value; name = name.Substring(0, name.Length - 1); name = name + "6"; ((MaskedTextBox)panel2.Controls[name]).Text = duration.ToString(); On execution it gives me Object reference not set to instance of an object similar functionality is used on other places but I can't find out what I have to reinitialize here :$ The casting for datetimepicker is fine I have to get a name for the datetiempicker to identify the row it's on in my form and the picker before that to calculate their differences and then print that difference in a maskedtext box from the control whose name I make using names of two datetimepickers but when I access controls in the error line I get this message.

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• Accessing HttpRequest from Global.asax via a page

  - by Polymorphix

  I'm trying to get a property (ImpersonatePersonId) from a page in global.asax but get a HttpException saying 'Request is not available in this context'. I've been searching for some documentation on where in the pipeline the request is accessible, but as far as I can see all Microsoft can produce of documentation is one-liners like "PostRequestHandlerExecute: Occurs when the ASP.NET event handler finishes execution." which really doesn't give me much... I've tried placing the call in both Pre and PostRequestHandlerExceute but with the same result. I wonder if anyone with experience in this would be so kind as to tell me where the Request object is available. My code from global asax is below. ICanImpersonate page = HttpContext.Current.Handler as ICanImpersonate; ImpersonatedUser impersonatePerson = page != null ? page.ImpersonatePersonId : null; Response.Filter = new TagRewriter(Response, new TagProcessor(Context, impersonatePerson).Process); What I want to do is rewrite some HTML based on some request parameters.

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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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• php java in memory database

  - by msaif

  i need to load data as array to memory in PHP.but in PHP if i write $array= array("1","2"); in test.php then this $array variable is initialized every time user requests.if we request test.php 100 times by clicking 100 times browser refresh button then this $array variable will be executed 100 times. but i need to execute the $array variable only one time for first time request and subsequent request of test.php must not execute the $array variable.but only use that memory location.how can i do that in PHP. but in JAVA SEVRVLET it is easy to execute,just write the $array variable in one time execution of init() method of servlet lifecycle method and subsequent request of that servlet dont execute init() method but service() method but service() method always uses that $array memeory location. all i want to initilize $array variable once but use that memory loc from subsequent request in PHP.is there any possiblity in PHP?

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• Java Scheduling Calendar

  - by cedric

  Hi. I have a j2ee web application which supports scheduling of execution of jobs. I am looking for a free calendar component written in java which allows scheduling functionalities as well as capable of changing view mode of tasks either by viewing taks for whole year, month view, week view, day view. Do you have any suggestion. Im sorry something came up with the implementation. I dnt have to use this calendar for triggering or calling jobs. I just need to retrieve schedules from database and display it in diff view modes. SO it's just some kind of GUI functionality

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• A PHP object server for business logic

  - by Matthieu

  I wonder if such a thing is possible or even exist : In the MVC pattern, I would like to have the Model part to be persistant in memory, instead of reloading my instances at each execution. So I want only the Controller and View part to be executed. Is there any solution of server that would provide PHP objects (just like a Mysql server provides data records), and that keeps these objects in memory ? A problem would be also : how to have a constructed query to get objects ? Maybe PHP Linq ?

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• Selenium / FlashSelenium calling the wrong methods?

  - by bug-a-lot

  Seems like sometimes when Selenium should call a certain method, it instead calls another, as pointed out by the following log: 14:57:18.328 INFO - Command request: getEval[this.browserbot.findElement("someElement").doFlexClick('someIdOfAButton','');, ] on session 21708b0a4a154ebc96c9720c14578e74 14:57:18.343 INFO - Got result: OK,Error: Cannot type text into someIdOfAButton on session 21708b0a4a154ebc96c9720c14578e74 I've tried both Selenium server 1.0.3 and the 2.0 alpha 7 versions, they both display this behaviour. FlashSelenium is involved so I'm not sure where along the way lies the bug. Furthermore it's hard to reproduce as it doesn't happen only for some methods, and doesn't always happen. I've tried searching for issues similar to these but couldn't find any remotely similar... Anyone experienced the same behavior? And if so, is there a fix for it? Edit: I doubt FlashSelenium is at fault for this, as the log tells that the command arrives correctly at the server... But I can't seem to be able to follow the path of execution from the moment the Selenium server gets the command and passes over to the browser, to the moment where it gets the response.

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• Tracking EXC_BAD_ACCESS on iPad

  - by Aleks

  I've been using this code to create my UIWindow UIMyWindow* win = [[UIMyWindow alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]]; UIMyWindow isn't anything special it just has a pointer to a C++ class that does some wrapping of ObjectiveC. Recently my application start crashing after adding some line of code that doesn't have to do anything with the error. The line of code that I added is just allocating a C++ object but the program execution never reaches this line. Interesting enough my code works in Release. My only guess is that I made some memory corruption on a completely different place. My questions are: What type of memory corruption that can be? And is there some good practices to track them down?

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• How can I prevent MEF from throwing an exception when an Export is not found?

  - by Kilhoffer

  I have a class with an IList<T> property decorated with the [ImportMany(allowRecomposition = true)] attribute. There are some conditions in which the application might not find any available Exports of the requested type. Right now, it's throwing a CompositionException if no Exports of the requested type are found. I dislike application flow being determined by thrown exceptions, so I would rather not catch and react in this case. Rather, I just want program execution to continue. Is there a flag or something I can set to make this Import optional? I know for single import properties, you can do this: [Import(AllowDefault = true)] but 'AllowDefault' is not an option on the ImportMany attribute.

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• hosting acounts for large uploads

  - by Phil Jackson

  Hi, im wondering if anyone knows of any host providers ( uk preferably ) that deals mostly with accepting large file uploads. Most hosts only let you push something like 1.5mb ( thats taking into account the connection and the max execution time ). What i am looking for is a host specificaly for storing files on. I was going to create an upload script onto my application which posted the file to the external host and then return back ( using headers so the user doen't even know they have left ). Does anyone know of a host for this?

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• Trigger for insert table

  - by shanks

  I have sql server 2005 and need to create trigger for insert query. I have Table naemd as "Log" with column named as UserID,UserName,LogDate,LogTime and want to transfer data into other table named as "DataTable" with same column name. I have created trigger GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TRIGGER [dbo].[Transfer] on [dbo].[Log] AFTER INSERT AS BEGIN insert into DataTable (UserID,UserName,LogDate,LogTime) SELECT UserID,UserName,LogDate,LogTime FROM Log where UserID not in(select UserID from DataTable) END New Data is updated on daily basis in "Log" table and so i want to transfer new data from Log table to DataTable with trigger.Execution time is very high and so no output .

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• Changing the HTML of CKEditor form elements (in the dialog window)

  - by Kenny Meyers

  I'm trying to modify the HTML of the dialog boxes in CKEditor. The HTML inside each of those boxes is an absolute nightmare, and even worse, the source code is compressed and it's unclear what the path of execution is. I want to take something like this: <div class="cke_dialog_ui_select" id="44_uiElement" role="presentation"><label style="" for="42_select" id="43_label" class="cke_dialog_ui_labeled_label">Link Type</label><div role="presentation" class="cke_dialog_ui_labeled_content"><select aria-labelledby="43_label" class="cke_dialog_ui_input_select" id="42_select"><option value="url"> URL</option><option value="anchor"> Link to anchor in the text</option><option value="email"> E-mail</option></select></div></div> and turn it into something more legible and easier to style, removing one of the divs. These are for the Image and Anchor dialog boxes (Modal dialogues) respectively. Thanks for your help.

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• Visual Studio add-in for performance benchmarking

  - by chiccodoro

  I'd like to measure the performance of some code blocks in my c# winforms application. In particular I want to measure performance regression/improvement after some restructuring of the code. So long I've seen the System.Diagnostics.Stopwatch. However, I want to avoid writing measuring code into my classes, I would rather prefer to separate measuring from actual code. As for debugging, you can set breakpoints on several code lines and "jump" from one to the next by "Continue Execution", I imagine something similar for measuring: Mark to lines of code and make Visual Studio display the time elapsing from one to the next. Is there any feature/add-in in that direction?

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• JavaFX media player in mobile

  - by cancelledout

  Does anyone have any tutorials in playing videos in javafx applications in mobile? My codes strangely work only in desktop execution. But the official site of JavaFX says it plays in mobile phones. I used their sample code and guess what, it doesn't play on the mobile phone too. Here is the sample code I used: http://javafx.com/docs/articles/media/EmbeddedPlayer.fx.jsp Please help me guys. I'm on a dead-end here. =<

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• hibernate not throwing stale state exception nor it is overwriting data

  - by Reddy

  Our application do the following. 1. Start the transaction. 2. Execute a query using prepared statement 3. Check a condition to see the number of rows updated are equal to the required number. 4. It commits on success of above condition otherwise it will roll back However the problem is that when two threads are simultaneously enter this code. Thread-1 is updating a row in step 2. It checked the condition and committed successfully since the condition is successful. Thread-2 started execution somewhere between steps 1 & 4, and it is failing on at condition checking at step 3 (as it is getting number of updated rows as 0). I expected second thread to throw an exception but it is not. What could be the problem?

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• asp.net session error

  - by umeshchaurasia

  HI all, I am working with asp.net with c#.net Here i am using session state to pass the value from one page to another. i have two pages, in first page i am calculating the value and passing the value to second page using session and in second page i am displaying the message through the value. I am using these two pages for facebook application. I uploaded my two pages then i am checking with facebook by opening through internet explorer and its giving below error. Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. But when i open my application using firefox the pages are working fine. please help me...

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• Transfer of control and data between C and C#

  - by Prithvi

  C# main program needs to call a C program GA.c This C code executes many functions and one function initialize() calls objective() function. But this objective function needs to be written in C#.This call is in a loop in the C code and the C code needs to continue execution after the return from objective() until its main is over and return control to C# main program. C# main() { //code call to GA in C; //remaining code; } GA in C: Ga Main() { //code call to initialize function(); //remaining code } initialize funtion() in GA { for(some condition) { //code call to objective(parameter) function in C#; //code } } How do we do this?

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