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• VC++ to C# migration guidelines/approaches/Issues

  - by KSH

  Hi all, We are planning to move few of our VC++ Legacy products to C# with .NET platform.. I am in the process of collecting the relavent information before making the proposal to give optimistic and effective approach to clients. Am looking for the following details. Any general guidelines in migration of VC++ to C#.NET What are the issues that a team can face when we take up this activity Are there any existing approaches available ? I believe many might have tried but may not have detailed information, but consolidating this under this would help not only me but anyone who look for these information. Any good / valid resources available on internet? Any suggestions from Microsoft team if any Microsoft people in this group? Architecture, components design approaches, etc. Please help me in getting these information, each penny would help me to gain good understanding.. Thanks in advance to those who will share their wisdom thorough this query.

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• What's a good way to have sample data on the iPhone/iPad?

  - by MikeN

  I have an iPad application that pulls in all of its data from an external web service. I am working on building in a demo mode that will use a cache of demo data stored on the device so it can be demoed and tried out without the web service connection (or an internet connection.) Is there a project or good practices standard to follow to model this type of sample data? I'm expecting JSON arrays/Dictionaries back from my web service, how could I build a function that uses hardcoded data to create the NSMutableData object I'd expect to get back from a JSON web request?

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• RoR live-search (text_field_with_auto_complete) submit.

  - by looneygrc

  I have a "Movies" and a "Actors" table and "Casts" as join-model. To be more specific "Casts" has movie_id, actor_id and rolename. I want in "Movies" form to add a live search to search through actors and a "rolename" text_field and save those to "Casts". I don't know if text_field_with_auto_complete is the right choice but i prefer not to use much javascript because i am not familiar with it. I've been searching all over the internet to find something similar to this without any result. I've manage to get it working with "@actors.each do" but it makes a very long list.

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• how to detect datacard connect and disconnect event on win32

  - by Vinayaka Karjigi

  Hi All, I have a data card, as soon as i insert the data card, i am getting the events by using wm_device_change event. But I also want to get event, when my data connect actually connects to out side world. I mean to say, as soon as we click on connect/disconnect button of data card,i want to get the event. exactly speaking wanted to know, when connection is established and disconnected. data card is vodaphone data card and i am trying to browse using that data card. what ever is the SDK, somewhere the OS should get the event of connection and disconnection to network is there any way to access that event which OS is getting. as i can see in notificaiton the changes of vodaphone connection and LAN connection data card is a USB device having SIM within it, and can be used to access internet through GPRS. can i know how to do this in win32 c/c++ programe. with regards Vinayaka Karjigi

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• Modal dialog not working in chrome/explorer yet works in firefox

  - by Mike Z

  I have the following modal dialog click function $("#foo").click(function(){$("#bar").dialog({ width: 400, modal: true, resizable: false, buttons:{ "Save": function(){ $.post('remote_foo.php', $('#waka').serialize(), function(data){ $('#list').html(data);}) $(this).dialog("close"); $('.dial').val(''); $('.url').val('http://'); }, "cancel": function(){ $(this).dialog("close"); } }//end of buttons }).('open');//end of jquery dialog })// end of click function It works fine in firefox but to be honest i dont even think my click function is set up right. 1)Is this the proper way to open the dialog with a click. 2) is there a specific reason that this would not work in chrome/internet explorer? (This is the jquery ui)

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• Problems deleting cookies, won't unset (PHP).

  - by RemiX

  I've tried searching the php manual and internet on how to delete cookies and I've tried it the exact same way they all say: setcookie("name", '', 1); or setcookie("name", '', time()-3600); But when I check the cookies in the cookies dialog in Firefox, it's still there with the same value. I set this cookie using the following line: setcookie("name", $value, time() + 259200, $path); I found this question on stackoverflow: http://stackoverflow.com/questions/2497501/cookie-wont-unset, but none of the answers solved the problem. I also tried putting all paramaters in, like the author said, but it had no effect. Does anyone see the problem?

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• Singleton design potential leak

  - by iBrad Apps

  I have downloaded a library off of github and have noticed that in the main singleton of the library there is a possible leak in this bit of code: +(DDGameKitHelper*) sharedGameKitHelper { @synchronized(self) { if (instanceOfGameKitHelper == nil) { [[DDGameKitHelper alloc] init]; } return instanceOfGameKitHelper; } return nil; } Now obviously there is no release or autorelease anywhere so I must do it but how and in what way properly? I have looked at various Singleton design patterns on the Internet and they just assign, in this case, instanceOfGameKitHelper to the alloc and init line. Anyway how would I properly fix this? Thanks!

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• UITextField in UITableViewCell Help

  - by W Dyson

  Hello All, I have scoured the internet looking for a good tutorial or posting about having a UITableView populated with a UITextField in each cell for data entry. I want to keep track of each UITextField and the text written within it while scrolling. The tableView will be sectioned. I have been using a custom UITableViewCell but I'm open to any method. Also, is it possible to use the textFields as ivars? If any of you could point me in the right direction, it would be greatly appreciated. Thank you in advance!

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• Reading in MIPS external file so another file can use it?

  - by SkyWookie

  Hey all, I'm working on this final thing for my MIPS project and it's deceptively easy. I need to get a procedure (called feed) and let its main driver program use it by reading it in. I know that I'm supposed to use the call code 14 and .globl sym (I think) in order to feed it into the file and have it read it. I just need a basic tutorial or something, as I CANNOT find it on the Internet or in my book (just lists the call code, real helpful). Here's what I know: I need to use read, but I also need a file descriptor (don't know where to get it). I need to put the buffer in $a1 and the length in $a2. Well, that's about it. If there's any decent tutorial you could whip up or if there is one online that I don't see let me know please :). I just need a push in the right direction, I'm sure it can't be too difficult, just can't find any info on it!

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• twisted .loseConnection does not immediately lose connection?

  - by Claudiu

  I have a server with a few clients connected to it. When CTRL+C is hit (that is, reactor starts shutting down), I want to close all my connections, wait until they are cleanly closed, and then stop. I do this by going through the connected clients' transports and calling .loseConnection(). On the ones that are connected locally, they immediately disconnect. However, on one that is connected through the internet, the connection is not immediately lost. Communication stops - and closing the client program no longer even tells the server that the connection has died, although it does before calling .loseConnection() - but the connection is not deemed 'lost' until a few minutes later after I send a few heartbeat requests from the server. I understand that if a connection dies, there's no way for the server to know unless it tries to send some data. But if I specifically ask for a connection to be closed, why does it not just close/disconnect immediately? Am I calling the wrong function?

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• Access DB with SQL Server Front End

  - by uyuni99

  I have an old Access application that has a lot of code in forms and reports. The database is getting too large and I am thinking of moving the back end to SQL Server. My requirements are as follows: The DB needs to be multiuser and the users (3-5) will need to log in over the web I would prefer not to re-write the forms and reports in ASP or some other web front end. When I think about my choices, I see them as: Have an Access ADP front end and allows remote log-in to the server where it is stored. Not sure if it is possible for 2 users to simultaneously log in Distribute an ADP front end to the users, but I am not sure if it is possible to connect to a SQL Server back end over the internet, and the network traffic may be an issue. Any other solution? I appreciate all help. u

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• Eclipse does not recognize the file ID

  - by user1833845

  I'm trying to create a button in the application from one activity to another. The document resource/values/strings.xml created for this ID: <string name="button1name"> CID </ string> But the document GurovPictures.java (this is my main activity) when I insert a line: Button but1 = (Button) findViewById (R.id.button1); This "button1" does not become blue like "editText1". Do you happen to know how to fix it? Just the internet no entries found.

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• What Is The Best Scripting Language To Learn?

  - by Strider

  I have been learning C and C++ for sometime now. But, they do not allow me to do a lot of things like writing a script/program to get a bunch of files from the internet easily. So, I want to learn a scripting language which is fun and which is useful for everyday chores. Which one would you recommend, and why? Other information that might be useful: References to tutorials / helpful information on how to learn the language. References to implementations of the language. Niches where you have found it to be particularly useful.

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• Use this. to access internal class members?

  - by Sam

  On the internet I see a lot of code which uses this. to access local members of a class, like this: private String _whatever; public String Whatever { get { return this._whatever; } set { this._whatever = value; } } public void DoSomething() { String s = this.Whatever; this.DoSomething(); } (don't expect the code to do something sensible. I just wanted to show a few different uses for "this.") I wonder why to do this? To add more clarity to the source? Or is it just a waste of space?

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• Hidden field value set with jQuery doesn't submit

  - by Will

  I'm completely perplexed. I set the value of a hidden field with jQuery and the submit the form. The hidden value is present when I dump the $_POST array via PHP unless I use Internet Explorer. Here's the test code: $('#hidden-field').val('I am a hidden value'); // To make sure it's setting properly ... // This shows its being set in FF, Chrome, **AND** IE alert($('#hidden-field').val()); Then on the PHP side: print_r($_POST); For submissions made with IE the result looks like this: Array ( [hidden-field] => ) Other browsers have the value. Help? Why doesn't the value submit and how can I make it?

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• How can I (reasonably) precisely perform an action every N milliseconds?

  - by Jon Cage

  I have a machine which uses an NTP client to sync up to internet time so it's system clock should be fairly accurate. I've got an application which I'm developing which logs data in real time, processes it and then passes it on. What I'd like to do now is output that data every N milliseconds aligned with the system clock. So for example if I wanted to do 20ms intervals, my oututs ought to be something like this: 13:15:05:0000 13:15:05:0020 13:15:05:0040 13:15:05:0060 I've seen suggestions for using the stopwatch class, but that only measures time spans as opposed to looking for specific time stamps. The code to do this is running in it's own thread, so should be a problem if I need to do some relatively blocking calls. Any suggestions on how to achieve this to a reasonable (close to or better than 1ms precision would be nice) would be very gratefully received.

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• Oracle Hibernate with in Netbean RCP

  - by jurnaltejo

  All, i have a problem with hibernate using netbean platform 6.8, i have been search around internet, but cannot found the suitable answer This is my story. i am using oracle database as data source of my hibernate entity with ojdbc14.jar driver. First i create hibernate entity tobe wrapped latter in a netbeans module, i tested the hibernate connection configuration and everything just works well. i can connect to oracle database successfuly, every hibernate query works well. Then i wrapped that hibernate entity jar as a netbeans module, create another module to warp my ojdbc14.jar then i test it. and, im using hibernate library dependency that available on netbean platform (netbean 6.8), but unfutornatelly i got oracle sql error saying “no suitable driver for [connection url]” when running the project. thats quite weird since it doesn’t happend when I test it before with out netbean platform. i thought that is related to netbeans lazy loading issue, i am not sure,. any idea ? tq for help

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• SO style alert header

  - by Zachary

  I apologize if this question is vague, but I want to build a drop down header, very similar to the one on StackOverflow that alerts you whenever you have earned a new badge, or on Twitter whenever a new tweet comes in. I've been looking around on the internet for a tutorial, but I'm having trouble googling exactly what I'm looking for. I assume there is a way to do this in jQuery, or there may be a jQuery plugin for it, but I haven't had any luck finding one. The idea would probably be to make an AJAX request every so many seconds, and if a new alert-worthy item is found, display it for the user. If someone could point me to a resource to learn how to build one, and/or an existing plugin, that would be great.

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• What's the most performance effective way to have a webbrowser inside a class library ?

  - by Xaqron

  I'm developing a class library. Need some data from internet and this cannot be done with HttpWebRequest in my case so I wanna use WebBrowser component. WebBrowser is used for opening a single page and fetch some data from it, so WebBrowser life-time is very short. Running thread is MTA and no message pump or STA thread is available by default (class library is used by an ASP.NET application). How to create a WebBrowser object, run it with a STA thread, fetch data from a web page and finally dispose it with the least performance impact on the application ? I just need the idea/concept and will find details myself. Thanks guys

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• Changing careers to Software Engineering.... Wise?

  - by Phil

  Hello everyone, I notice this site has a wealth of software professionals and I am investigating a career change to Software Engineering: *Particularly, I would like to know how likely one would be able to work from home or another country over the internet. Is this something that can be done and what does it usually entail? (time?,experience?, specific companies?, etc) *Currently, I am a teacher but always had a passion for tech. I am interested in a MS - Software Engineering program designed for individuals based from another field. Is this a wise degree to obtain? Would I be just wasting my time and money obtaining this degree? (I'm suspicious about this program and the feasibility of obtaining employment without a healthy CS background) Thanks for any assistance you can provide!

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• Threads in JAVA

  - by theband

  I was today asked in an interview over the Thread concepts in JAVA? The Questions were... What is a thread? Why do we go for threading? A real time example over the threads. Can we create threads in Spring framework service class. Can flex call a thread? I did not answer any questions apart from definition of Thread, that too i just learnt from internet. Can anyone explain me clearly over this.

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• Detect if the iframe content has loaded successfully.

  - by skinssay

  Hi, I have a widget that contains an iframe. The user can configure the url of this iframe, but if the url could not be loaded (it does not exists or the user does not have access to internet) then the iframe should failover to a default offline page. The question is, how can I detect if the iframe could be loaded or not? I tried subscribing to the 'load' event, and, if this event is not fired after some time then I failover, but this only works in Firefox, since IE and Chrome fires the 'load' event when the "Page Not Found" is displayed.

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• How to detect that a process is started using C# code[windows service]

  - by infant programmer

  I am trying to design a windows-service which monitors a process namely "Gtalk", if the process is started then, the browser Internet-explorer (process iexplore) should be closed. This should happen only when the process "Gtalk" is started, [not when running] The code I have written and implemented, doesn't allow to open IExplore when Gtalk is running. That is certainly what not I am trying for. The process Gtalk should close browser only at its start-up, After the process is started, it should allow to open IExplore. Is it possible with Windows service or is it must be the part of Gtalk process itself? This is my code: while (true) { if (Process.GetProcessesByName("Gtalk").Length > 0) { foreach (Process prc in Process.GetProcessesByName("IExplore")) { prc.Kill(); } } }

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• Works in Firefox but not IE

  - by Abs

  Hello all, I make use of the following to find a string in a particular element, if it exists, tick a checkbox. This works great on Firefox but not internet explorer (8). I am having trouble finding why. $.fn.searchString = function(str) { return this.filter('*:contains("' + str + '")'); }; var myID = $('div').searchString(files_array[i].substr(-4)); alert(myID);//[object object] alert(myID.children());//[object object] myID.children().attr('checked', true);//does not tick checkbox alert(myID.children().attr('checked'));//undefined Does IE not like the children() function? Thanks all for any help

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• Advanced Memory Editing/Function Calling

  - by Saustin

  Hi, I've gotten extremely interested into coding trainers (Program that modifies value of a different process) for video games. I've done the simple 'god-mode' and 'unlimited money' things, but I want to do alot more than that. (Simple editing using WriteProcessMemory) There are memory addresses of functions on the internet of the video game I'm working on, and one of functions is like "CreateCar" and I'm wanting to call that function from an external program. My question: How can I call a function from an external process in C/C++, provided the function address, using a process handle or other method. PS: If anyone could link me to tools (I've got debuggers, no need for more..) that help with this sort of thing, that'd be nice.

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