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• Get row id datatables

  - by Syed Haider Hassan

  ok. i have searched the internet and tried many things but nothing seems to work for me.. i am now getting upset of this datatables. I found 1 way which some ppl on net says works for them and it is giving me strange problem. if you see the image, when i use the function fnGetPosition, it just cross out.. i don't know why other users over net have no issue on it.. All i am trying to get is FormID, if there is any other way please help me get the ID.

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• Bypassing Browser popup blocking when automatic session timout occurs

  - by Joseph

  Hi all, Please help regarding the following issue. I have enabled the "Block popup" option in browser. We are doing a session validation using a background ajax call to check the session is active or not. If the session is not active for a desired interval a popup window will come for notification. Now comming to the problem . since the session notification popup is comming automatically without any client interaction, This popup is blocked by the browser. But if a client clicks anyother popup window in the form that popup window will not be blocked by the browser.

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• Problem with testing a Windows service

  - by prateeksaluja20

  I want to make a Windows service that will access my database. My database is SQL Server 2005. Actually I am working on a website and my database is inside our server. I need to access my database every second and update the records. For that purpose I need to make a Windows service that will install into our server and perform the task. I have been accessing the database from my local machine and then running the service, but problem is I'm not sure how I can test this service. I tried to install into my local machine. It installed and then I ran the service but it did not perform the task and I think service is not able to connect with the database. There is no problem in the service nor its installer. The only issue is how to test my Windows service.

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• LINQ Join for Orderby only

  - by RandomBen

  I am trying to run this code: ItemTaxonomy iTaxonomy = from itemTaxonomy in connection.ItemTaxonomy where itemTaxonomy.Item.ID == itemView.ID orderby itemTaxonomy.Taxonomy.Name select itemTaxonomy; When I compiled it I get the error: Cannot implicitly convert type 'System.Linq.IOrderedQueryable<Website.Models.ItemTaxonomy>' to 'Website.Models.ItemTaxonomy'. An explicit conversion exists (are you missing a cast?) I believe the issue is with orderby itemTaxonomy.Taxonomy.Name but I am just trying to order by the name of Taxonomy items instead of their IDs. Is there a way to do that?

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• How do I let a user sign in from a different domain on Authlogic?

  - by Newy

  [This is slightly different than a previous question about having multiple domains share the same cookie. It seemed like there wasn't an easy way to do that.] I have a application at application.com. A customer has app.customer.com pointed at my site on Heroku, and I have everything set up so that it renders a specific version of app correctly. The issue is that I want a user at app.customer.com to be able to login. I believe authlogic is now setting the cookie on application.com, so while it verifies the credentials, no session on customer.com is ever created.

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• IE7 Times Out Debugging ASP.Net Page

  - by Eric J.

  My issue is similar to ASP.NET Debugging Timing out with IIS except that I'm using the built-in ASP.Net Development Server with VS 2010. If I pause for more than about 10 seconds in the debugger, IE7 "disconnects" from the web server with the error message Internet Explorer cannot display the webpage However, unlike in the similar question, the debugger is still running. If I refresh the browser it will post that refresh to the server and I can debug the page from the top again. Is it possible to configure things so that IE7 waits (much) longer before giving up? If it makes a difference, I'm launching IE using the "Start external program" option and passing a localhost URL as the command line argument (since Chrome is my default browser). I also specify a specific port.

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• Eclipse Java EE - Galileo - Unable to view plugins

  - by Dis

  I am new to Eclipse so I am having a hard time troubleshooting this problem. I have a new installation of Eclipse Java EE - Galileo on Windows, and I am unable to see any changes made in the IDE after installing plugins. I have verified that the plugins are installed via installation details, but see no changes made. For example, after installing the maven integration plugin m2eclipse I go to File-New-Project ... and I have no option for maven. After installing the QuickRex plugin I have no view for it etc. I have tried re-installing the plugins, re-installing Eclipse, and starting Eclipse with the -clean option, but nothing has resolved the issue. Any ideas? Thanks!

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• Moving and resizing JPanels object inside JFrame.

  - by Gabriel A. Zorrilla

  Continuing my quest of learning Java by doing a simple game, i stumbled upon a little issue. My gameboard extends JPanel as well as each piece of the board. Now, this presents some problems: Cant set size of each piece, therefore, each piece JPanel ocupy the whole JFrame, concealing the rest of the pieces and the background (gameboard). Cant set the position of the pieces. I have the default flow manager. Tried setbounds and no luck. Perhaps i should make the piece to extend other JComponent?

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• Implementing implicitly shared classes outside of Qt

  - by Timothy Baldridge

  I'm familiar with the way Qt uses D-pointers for managing data. How do I do this in my code? I tried this method: 1) move all data into a struct 2) add a QAtomicInt to the struct 3) implement a = operator and change my constructor/deconstructor to check-up on the reference count. The issue is, when I go to do a shallow copy of the object, I get an error about QObject declaring = as private. How then do I accomplish this? Here's an example of my copy operator: HttpRequest & HttpRequest::operator=(const HttpRequest &other) { other.d->ref.ref(); if (!d->ref.deref()) delete d; d = other.d; return *this; } Am I going about this the wrong way?

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• Incorrect error

  - by jspooner

  If you assign an invalid date (like December 39th) to a datetime column ActiveRecord returns a "can't be blank" error when is should probably return an error like "Not a valid date" My question. Is this expected rails behavior, a bug or, something that I could patch? class ExerciseLog < ActiveRecord::Base validates_presence_of :scheduled_datetime end Fire up the console. e = Log.new # lets set a date for Dec 39th which obviously doesn't exist e.scheduled_datetime = "2010-12-39" e.save => false # this is the confusing message since our form did post a valid date e.errors.on(:scheduled_datetime) => "can't be blank" e.scheduled_datetime = "2010-12-30" e.save => true I discovered this issue when I accidentally transposed the month and day values. btw This is in Rails 2.3.5

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• Avoiding "variable might not have been initialized"

  - by Mason Wheeler

  I recently ran across a routine that looks something like this: procedure TMyForm.DoSomething(list: TList<TMyObject>; const flag: boolean); var local: integer; begin if flag then //do something else local := ExpensiveFunctionCallThatCalculatesSomething; //do something else for i := 0 to list.Count do if flag then //do something else if list[i].IntValue > local then //WARNING HERE //do something else end; This gives Variable 'local' might not have been initialized even though you can tell by reading the code that you won't hit that line unless the code branch that initializes it has run. Now, I could get rid of this warning by adding a useless local := 0; at the top of the procedure, but I wonder if there might not be a better way to structure this to avoid the issue. Anyone have any ideas?

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• dijit.form.FilteringSelectinitial initial value always null.

  - by jiggs

  I'm using QueryReadStore as data and displaying the widget using the declarative way. My store looks like this: <div style="display:none" jsId="role_store" url="some/url/here" requestMethod="post" dojoType="dojox.data.QueryReadStore"></div> My widget is like this: <input dojoType="dijit.form.FilteringSelect" id="role_id" name="role_name" required="false" store="role_store" value="100" searchAttr="description"> Scenario: store is declared inside the HTML page. widget is loaded using parse.parse in the javascript. Issue: At first click no displayed value on the widget. But at the second click, values are displayed right.

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• MS Dev Studio 2005 Ignores Preprocessor directives during compile

  - by miked

  We just got a new developer and I'm trying to set him up with Dev Studio 2005 (The version we all use at this office), and we're running into a weird problem that I've never seen before. I have some code that works perfectly on my system, and he can't seem to get it compiled. We've tracked the issue down to his copy of dev studio ignoring the preprocessor directives. For example, in the project properties under C/C++|Preprocessor|Preprocessor Directives, I add DEFINE_ME. Which should translate to a /D"DEFINE_ME" for the compiler. And it does in my development environment, but it doesn't on his. I verified that when he checks out the code from the source repository, that he has the same version of the code I do. And if I look in his Project Properties, all of the directives are there. For some reason they're just not getting passed down to the compiler. Any Ideas?

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• iPhone CGContext: drawing two lines with two different colors

  - by phonecoddy

  I am having some troubles using the CGContext with an iPhone app. I am trying to draw several lines with different colors, but all the lines always end up having to color, which was used last. I tried several approaches I could think of, but haven't been lucky. I set up a small sample project to deal with that issue. This is my code, I use in the drawRect method. I am trying to draw a red and a blue line: - (void)drawRect:(CGRect)rect{ NSLog(@"drawrect!"); CGContextRef bluecontext = UIGraphicsGetCurrentContext(); CGContextSetLineWidth(bluecontext, 2.0); CGContextSetStrokeColorWithColor(bluecontext, [UIColor blueColor].CGColor); CGContextMoveToPoint(bluecontext, 1, 1); CGContextAddLineToPoint(bluecontext, 100, 100); CGContextSetStrokeColorWithColor(bluecontext, [UIColor redColor].CGColor); CGContextAddLineToPoint(bluecontext, 200, 100); CGContextStrokePath(bluecontext); } thanks for your help

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• Debugging ASP.NET Session State server issues

  - by Cleggy

  We have an application that runs over load balanced server instances, and therefore is configured to use the ASP.NET session state service, which is running on one of our DB servers. While both instances of our app can successfully connect to the state server, changes in session state data are not being reflected across both of them. FI, If I call Session.Add('SomeKey', SomeData) on Server A, this is not being reflected if I then try to access Session['SomeKey'] on Server B. Session.SessionID returns the same value on both servers, and I have checked that they are both using the same validationkey and decryptionkey values configured in the machinekey section of machine.config. I even tried specifying these values in the apps web.config. What other things should I be looking out for which may be causing these symptoms, and what steps can people recommend to help debug this issue?

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• How Do I get the current instance from an AppDomain?

  - by Spanners

  Hi, I use the default appdomain (AD) which I use to create new appdomains (AD1) when required for running plugins in isolation. When creating the new domain I also wire up the AppDomainUnload event to allow me to call clean up code etc. The issue I seem to have is: 1) Create AD1 from AD 2) Run code in AD1 3) Call AD.Unload(AD1) The code switches to AD1 and calls the unloading event passing in a reference to the current AppDomain (AD1). At this point I'd like to get a reference to the current instance running in AD1 to call a shutdown method however there is no GetInstance on the AppDomain class. Any ideas how I can go about getting it?

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• Remote application monitoring through Visual GC

  - by Poole

  I am trying to monitor an application available on remote machine using VisualVM & Visual GC. I have enabled the jmxremote on the remote side as follows: -Dcom.sun.management.jmxremote, -Dcom.sun.management.jmxremote.port=8888, -Dcom.sun.management.jmxremote.ssl=false, -Dcom.sun.management.jmxremote.authenticate=false While monitoring through VisualVM, everything runs fine but VisualGC doesn't displays any stats (getting Not Supported for this JVM error). While tried to monitor one local application, VisualGC runs fine... Got success with the remote app once started jstad on the remote jvm. Is this a known issue with VisualGC...? Remote JVM - 1.5 Local JVM - 1.6

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• .NET WebService IPC - Should it be done to minimise some expensive operations?

  - by Kyle

  I'm looking at a few different approaches to a problem: Client requests work, some stuff gets done, and a result (ok/error) is returned. A .NET web service definitely seems like the way to go, my only issue is that the "stuff" will involve building up and tearing down a session for each request. Does abstracting the "stuff" out to an app (which would keep a single session active, and process the request from the web service) seem like the right way to go? (and if so, what communication method) The work time is negligible, my concern is the hammering the transaction servers in question will probably get if I create/drop a session for each job. Is some form of IPC or socket based communication a feasible solution here? Thoughts/comments/experiences much appreciated. Edit: After a bit more research, it seems like hosting a WCF service in a Windows Service is probably a better way to go...

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• Regular expression match, extracting only wanted segments of string

  - by Ben Carey

  I am trying to extract three segments from a string. As I am not particularly good with regular expressions, I think what I have done could probably be done better... I would like to extract the bold parts of the following string: SOMETEXT: ANYTHING_HERE (Old=ANYTHING_HERE, New=ANYTHING_HERE) Some examples could be: ABC: Some_Field (Old=,New=123) ABC: Some_Field (Old=ABCde,New=1234) ABC: Some_Field (Old=Hello World,New=Bye Bye World) So the above would return the following matches: $matches[0] = 'Some_Field'; $matches[1] = ''; $matches[2] = '123'; So far I have the following code: preg_match_all('/^([a-z]*\:(\s?)+)(.+)(\s?)+\(old=(.+)\,(\s?)+new=(.+)\)/i',$string,$matches); The issue with the above is that it returns a match for each separate segment of the string. I do not know how to ensure the string is the correct format using a regular expression without catching and storing the match if that makes sense? So, my question, if not already clear, how I can retrieve just the segments that I want from the above string?

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• how to embed flash that is trying to access xml in it's original folder.

  - by mkprogramming

  I've got various flash files stored on my server. For this exmaple - here is the directory structure: Files Example - example.swf - example.xml So then on a separate webpage stored in the root of my server.. i'm embeding the flash. ... <param name="movie" value="http://www.example.com/Files/Example/example.swf"> ... Now the issue comes. Because the .swf is trying to access example.xml ... which is NOT stored in the root directory. How can I fix this problem? (I'd rather not use an iframe)

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• Cocoa Touch: Why doesn't UINavigationController render 'Back' button?

  - by Joshua

  When I push a view controller it animates properly and slides in, the only problem is that no 'Back' button is rendered up top.The back button is still there, I can still tap it, it just doesn't render on the screen. This behavior is identical in both the simulator and on multiple devices. Is this a known issue or bug? Using 3.1.3 of the iPhone SDK. More information: It renders it for further levels, just not on the second level of nav controller. So Main Page (No back button - OK). Second level page (back button, but doesn't render - not OK). Third level page (Back button there and rendering - OK).

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• Trouble getting email attachment from Exchange

  - by JimR

  I am getting the error message “The remote server returned an error: (501) Not Implemented.” when I try to use the HttpWebRequest.GetResponse() using the GET Method to get an email attachment from exchange. I have tried to change the HttpVersion and don’t think it is a permissions issue since I can search the inbox. I know my credentials are correct as they are used to get HREF using the HttpWebRequest.Method = Search on the inbox (https://mail.mailserver.com/exchange/testemailaccount/Inbox/). HREF = https://mail.mailserver.com/exchange/testemailaccount/Inbox/testemail.EML/attachment.csv Sample Code: HttpWebRequest req = (System.Net.HttpWebRequest) HttpWebRequest.CreateHREF); req.Method = "GET"; req.Credentials = this.mCredentialCache; string data = string.Empty; using (WebResponse resp = req.GetResponse()) { Encoding enc = Encoding.Default; if (resp == null) { throw new Exception("Response contains no information."); } using (StreamReader sr = new StreamReader(resp.GetResponseStream(), Encoding.ASCII)) { data = sr.ReadToEnd(); } }

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• C++ Asymptotic Profiling

  - by Travis

  I have a performance issue where I suspect one standard C library function is taking too long and causing my entire system (suite of processes) to basically "hiccup". Sure enough if I comment out the library function call, the hiccup goes away. This prompted me to investigate what standard methods there are to prove this type of thing? What would be the best practice for testing a function to see if it causes an entire system to hang for a sec (causing other processes to be momentarily starved)? I would at least like to definitively correlate the function being called and the visible freeze. Thanks

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• Using FileSystemWatcher in detecting a xml file, using Linq in reading the xml file and prompt the results error "Root Element is Missing"

  - by GrayFullBuster

  My application is already working it can detect the xml file and prompt the content of the xml file but sometimes it will prompt "Root element is missing", and sometimes also it is okay but when I open the xml file, it is ok, it has contents on it. How to solve this issue. Here is the screenshot of the error: Here is the code: private void fileSystemWatcher_Created(object sender, System.IO.FileSystemEventArgs e) { string invoice = ""; using (var stream = System.IO.File.Open(e.FullPath, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite)) { var doc = System.Xml.Linq.XDocument.Load(stream); var transac = from r in doc.Descendants("Transaction") select new { InvoiceNumber = r.Element("InvoiceNumber").Value, }; foreach (var i in transac) { invoice = i.InvoiceNumber; } } MessageBox.Show(invoice); fileSystemWatcher.EnableRaisingEvents = false; } The error goes here var doc = System.Xml.Linq.XDocument.Load(stream);

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• How to dump STDIN to a file, using C++ STL?

  - by Jimm Chen

  HHello all, this is a straight forward question, but not a straight forward answer can be found by just Googling today. Hope someone can show me a concise answer before I dig into those thick C++ books and finally find the solution out. Thank you. I'm writing this program so to make a workaround in this issue: Why do I get 'Bad file descriptor' when trying sys.stdin.read() in subversion pre-revprop-change py script? Note: Content from STDIN may be arbitrary binary data. Please use C++ STL functions, iostream, ifstream etc . If the file creation/writing failed, I'd like to catch the exception to know the case.

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