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• Running Java Server Application 24/7 (NOT on local machine) ...?

  - by Steven

  I am currently experimenting with Java Socket Programming and succeeded in creating a simple application that allows me to send data back and forth between a client and a server. I don't want to power my laptop (on which the server application runs) 24/7. Therefore, of course, no computer (that runs my client application) will be able to communicate with my selfmade server application as long as my laptop is turned off. Now I'd like to know: (1) Is it possible to run the server application on a remote (physical) server, so that I don't need my laptop for that purpose? (2) If yes, do you have any suggestions where I could rent such a remote server? As I said, I'm just curious about how all that stuff works. I don't really something expensive.

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• [ADVICE] .NET Desktop Application - Client Server C#, SQL

  - by Rillanon

  Hi guys, Recently I've being given a chance to develop a PMS (Practice Management System) software for a small physiotherapy clinic. I'm a computer science student and my course is predominately told on Linux. However, my client runs all their computers on vista or Windows 7. My ideas are to develop the client front end in Visual C# and access a central postgresql server. I'm a beginner in Windows Programming so I'm after advice on best practice on implement user rights and access levels in C# (WPF or Windows FORM). I've had a look into Credential class in Visual C# and access control list but please share your thoughts. I'm probably way over my head on this but this is my first commercial project so I'm keen to test the waters. Cheers Ian

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• Facing problem in configuring Reporting Server

  - by idrees99

  Hi all, I am using Sql server 2005 express edition and i want to Install and configure Reporting server on my local machine.Now i have installed the reporting server but the issue is that i am unable to configure it properly.when ever i go to start the reporting services it gives me the following message: THE SQL SERVER REPORTING SERVICE(SQLEXPRESS)service on Local computer started and then stopped. Some services stop automatically if they have no work to do, for example, the performance Logs and Alerts service. I am using WindowsXp Professional. plz help me out as i have just started using sql server and i dont have any idea.

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• Has anybody here helped fake-create technical details for the movies / TV shows?

  - by none

  This is based on another SO question: Have you ever recognized any source code visible in a movie? where we were discussing some of the cheap tricks to add technical "details" to a scene (e.g. showing HTML/java script code or hexdumps and mockup GUIs). Which brought up the question: Has anybody here helped create "computer effects" (e.g. as a technical consultant) for movies/TV shows to add some pseudo-technical details to a scene? If you can, please do provide details - what exactly were you supposed to do, and what did you end up doing? Were your proud of your contribution to the final product? What was the pay like?

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• can ping but cannot browse.Can you help

  - by user231465

  Hi all I have winxp with the latest service pack on my old laptop. I have a situation where I can Ping and status says connected but cannot browse. I have seen various post on the net proposing solutions that works for some and not for others I have tried reseting winsock but nothing. If I vpn to my work then I can browse. I would like to avoid reformatting the computer and not take such a drastic action. Any suggestions?

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• C# - Saving a DataGridView to file and loading

  - by Rekar

  Hello, To start off, what I have is a simple Winforms app, with just a save and load button, and with a datagridview control to hold data. What I am looking to do is input some data into the control, hit the save button, and it save all the data to a file locally on the computer, and when I hit load, it loads the file and populates the control appropriately, keeping all rows, columns, and data the same as when saved. Although it sounds fairly simple to me, I cant seem to figure a good way to save and load the data. Can I get a few pointers or examples to get myself started? Thank you.

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• Trying to use a list iterator to print out entire linked list in Java. Infinite loop for some reaso

  - by Matt

  I created my list: private static List list = new LinkedList(); and my iterator: ListIterator itr = list.listIterator(); and use this code to try to print out the list... Only problem is, it never comes out of the loop. When it reaches the tail, shouldn't it come out of the loop, because there is no next? Or is it going back to the head like a circular linked list? It is printing so quickly and my computer locks up shortly after, so I can't really tell what is going on. while (itr.hasNext()) System.out.println(itr.next());

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• SMS connecting to phone from C# and getting response

  - by I__

  here's my VBA code: Public Sub SendSMS() Dim n As Integer n = FreeFile ' Change the string below if using a different COM port or the port speed Open "COM3:9600,N,8,1" For Output As #n Print #n, "AT" Close #n End Sub i'm trying to connect to my phone that is attached to this computer. i need the solution either in VBA or c# and i need to be able to send a receive SMS with my code and get responses from the phone. how do i catch responses to my AT COMMANDS? in hyperterminal you see responses right away, i want to be able to see them here as well, how do i do it? any takers?

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• How to controll (and emulate) monitor/projector on Linux?

  - by klew

  I would like to write some C/C++ program to controll monitor/projector attached to my computer. I've googled around, but I couldn't find almost anything that would lead me in some direction. Do you know where I can learn about it? What I would like to do is to write "Hello world" on an external monitor. It would be also nice to have some "monitor emulator" that will act as physicaly attached monitor (or to write program to emulate it). I'm not sure if it is possible. I couldn't find anything like this. I'm working on Ubuntu 9.10 with Gnome.

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• IE 8 Error - What's the cause?

  - by DanCapitanDePlai

  I have two magento eshops that worked perfectly in the past on all major browsers except IE 7. After I installed WINDOWS XP on my computer and accessed my eshops with IE 8, I almost had a heartattack seeing that they aren't working as they should. Before installing Windows XP I was running Windows 7 and the websites were looking good on IE 8. Now, the same IE version, but on different operating systems, gives me headaches! Now, can someone explain me how to 'debug' the ie 8 parsing engine for seeing the errors and try to modify the templates? Thanks.

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• Accessing data feed

  - by racket99

  I have a Java program on my desktop which displays financial data gleaned from the web. It is a 3rd party application. What I would like to do is intercept the data before it goes to the Java application and record it into a flat file for the purpose of later data analysis. Is this at all possible? I imagine the data are available and are entering my computer through some port which the Java app picks up and then displays. Help appreciated. Thanks

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• How to implement Pentago AI algorithm

  - by itsho

  Hi, i'm trying to develop Pentago-game in c#. right now i'm having 2 players mode which working just fine. the problem is, that i want One player mode (against computer), but unfortunately, all implements of minimax / negamax are for one step calculated. butin Pentago, every player need to do two things (place marble, and rotate one of the inner-boards) I didn't figure out how to implement both rotate part & placing the marble, and i would love someone to guide me with this. if you're not familiar with the game, here's a link to the game. if anyone want's, i can upload my code somewhere if that's relevant. thank you very much in advance

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• Why don't hardware failures show up at the programming language level?

  - by Julian Cienfuegos

  I am wondering if anyone can give my a good answer, or at least point me in the direction of a good reference to the following question: How come I have never heard of a computer breaking in a very fundamental way? How come when I declare x to be a double it stays as a double? How come there is never a short circuit that robs it of some bytes and makes it an integer? Why do we have faith that when we initialize x to 10, there will never be a power surge that will cause it to become 11, or something similar? I think I need a better understanding of memory. Thanks, and please don't bash me over the head for such a simple/abstract question.

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• While programming, what to do when facing with a seemingly unsolvable situation with a time limit?

  - by Ersan Tasan

  This is not a technical question, but rather a social and methodical one. I am a computer sciences student and I usually have really tough programming assignments. I don`t know if it is only happening to me but sometimes, particularly when deadline is approaching, i find myself in a harsh situation. I cannot find my mistake in the code or come up with a another great idea. Then boredom comes in and the problem begins to seem unsolvable. I know there are more-than-great professional coders here. I would like to learn their ideas to cope with this situation. Is it better to focus on something else for a while and try again or try harder and harder and look for the solution on the net etc...

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• clrear coockies and cache from site

  - by salvadore

  Every time i updat my website system UI\Jquery. Users complain that things are not working for them and that they have bugs. Users are internet\computer dummies so they dont know how to clear the coockies or the cache of the browser, so i need to connect to each one of their computers and do it by myself. I spend lots off hours doing it and they always complain. Some of the useres use Chrome, some Firefox. Googled and found no solution for this, Is there any client code operation that will command the browser to clrear its cache or even pop up browser window wich will ask user to confirm the clear?

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• javascript code to prevent screensaver from starting

  - by gertjan

  Hi all, I am completely new to javascript programming and I have a question that I didn't manage to find an answer for anywhere. I have recently put together a simple slideshow to view the photos remotely that I host on my home computer. This by itself works fine. The problem I run into is that when I'm viewing photos I don't interact with the hardware, which after some time causes the monitor to switch off. This is particularly annoying when watching photos on my mobile phone. My question is: is there a way to prevent this from happening? I am thinking in the direction of faking a mouse or other event every time I refresh the photo, but I have no clue how to do that and if it is possible. Any help is greatly appreciated!

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• inner workings of PHP (really long PHP script)

  - by econclicks

  I have a really long php script for just 1 page i.e. something like: mywebsite.com/page.php?id=99999 I have about 10000-20000 cases of the id, each with a different settings. Will this slow down my website significantly? i.e. my question is really along the lines of, what happens when php is executed. does the server execute it and display the results, or does the client's computer download it, execute it and display the results. if its the latter, does it mean a really slow load time? each of the 10000-20000 cases has about 20-25 lines of code after it. thanks, xoxo

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• c++ - what is faster ?

  - by VaioIsBorn

  If we have the following 2 snippets of code in c++ that do the same task: int a, b=somenumber; while(b > 0) { a = b % 3; b /= 3; } or int b=somenumber; while(b > 0) { int a=b%3; b /= 3; } I don't know much about computer architecture/c++ design, but i think that the first code is faster because it declares the integer a at the beginning and just uses it in the while-loop, and in the second code the integer a is being declared everytime the while-loop starts over. Can some one help me with this, am i correct or what and why ?

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• Using Google to find programming answers (does locale matter)?

  - by Jason

  I have overseas developers working for me, and sometimes I am surprised they can't find the same resources online that I do. They are in a South America country... and Google defaults to their language/locale. What do you think about this, when using it to solve computer programs? There is very little software development done in their country (as compared to the US). Is Google skewing their results for articles in their language or posted on sites that are local to them? Should I insist that they bypass their local Google search and have them use the US version?

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• php vs python django or something else for CMS module

  - by Michael

  We're looking to develop a CMS module for our website and I need some help in choosing the language/framework for this project. Basically we need to develop a "help' module like this one from ebay http://pages.ebay.com/help/index.html which will contain a lot of static pages with nice URLs for SEO. The application must run fast using low computer resources. We have been looking to use php on a custom made mvc framework but we received advice from other sources that py/django is the exactly language/framework that we need in terms of maintainability and development speed because it was developed for exactly this kind of projects so I need an expert advice on this matter with pro and cons for each choice.

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• Environment.GetFolderPath(...CommonApplicationData) is still returning c:\Docs&Set on Vista

  - by blak3r

  As i understand it, you're supposed to use Environment.GetFolderPath method so you have OS independent code... WinXP uses C:\Docs and Settings\ Vista uses C:\ProgramData and c:\Users I'm using the code below on a vista computer and it's returning a c:\documents and settings directory instead of c:\ProgramData like it should... Any ideas? string commonAppData = Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData); try { File.CreateText( Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData) + "\\mycompany\\uid"); log.Debug("Created file successfully"); } catch (Exception ex) { log.Error("Unable to create the uid file: ", ex); } EDIT: I was mistaken... See my answer below. Please vote to close this post as it's no longer relevent.

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• Choose Your Own Adventure : BASIC Programming

  - by theraccoonbear

  Hopefully this isn't considered too off-topic, but I guess we'll see. I'd love to find and frame a copy of this book. Years ago, in my pre-teen years, I remember reading a lot of CYOA books, and one in particular stands out in my mind as the book that started me down the path of becoming a programmer. The details are fuzzy, but what I remember was that the story involved a programmer who was held captive somewhere and was trying to escape. IIRC, each section or chapter had a short BASIC program you could could type into your computer to simulate something from the story. The one that stands out most in my mind was a very simplistic animation made with pipes, pluses, and dashes that "looked" like a metal grate that opened (sliding upward). I realize this is pretty scant information to go on, but I suspect that anyone else who read the book would immediately remember it. Maybe not, I guess we'll see. Again, my apologies if this is too far off-topic for S.O.

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• Artificial Intelligence Project - What language should I go for?

  - by Kremlin Yocepf

  Hi, I am a computer science student and I am going to work on an artificial intelligence project which will compose a musical tune according to the genre and mood inputs. Are the algorithms to be used for this project likely to be very resource-consuming? Would it make any difference (in terms of speed) if I choose to go with Java rather than C++? (Note : I know only these two languages and I am more comfortable with Java than C++.) NB : Sorry for my poor English. If someone can, please clean up this post wherever necessary. Thanks.

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• Keeping iPhone App private after AppStore approval for beta testing.

  - by Stack

  I have messed around with AD-HOC distribution quite a bit and got it working too. The problem I am facing is all the people who I want to use as beta testers are "normal people" who never even sync their iPhone to iTunes on a computer. So, you can understand how technically challenged these people are, which is fine with me because that is the audience I want to use for testing. All these guys can do for me is if I can give them an AppStore link they will download it on their iPhone and test it for me. So, basically AD-HOC distribution (UDIDs, mobileprovision file and all that crap) is out of question for me. My Question is after AppStore approves my app, is there a way for me to be under the radar so that normal public can not download the app until I am ready. From past experience I know that the moment you put an app out there, in first week you get 100s of downloads and I dont want that to happen until my beta testing is finished.

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• What does Heroku mean by app[web.1]?

  - by Colonel Panic

  What does Heroku mean by app[web.1] and by <main>:48? I have a crash that happens only on Heroku and not on my computer, I'm trying to identify the precise line causing the crash. These are the logs heroku[web.1]:?[0m Starting process with command `bundle exec rackup config.ru -s thin -p 40103` app[web.1]:?[0m <main>:48:in `method_missing': wrong number of arguments (1 for 2) (ArgumentError) app[web.1]:?[0m from /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/server.rb:265:in `start' ... heroku[web.1]:?[0m Process exited with status 1 heroku[web.1]:?[0m State changed from starting to crashed

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