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  • Howto query arp table on iPhone?

    - by anthony vage
    Hi, i am new on iPhone development. I want to integrate wake on lan into my app without squeezing my users to enter the computers mac adress when the ip is already known. I googled for about some hours, take the source code of apples arp tool but i don't know howto manage this on iPhone. I am grateful for any help. Thanks! anthonyvage

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  • how to solve this error in XtraReports 'invalid property or parameter class'?

    - by ahmed
    How to solve this error message in Xtrareport , I am confused. I am binding to a XrLabel and this is the code Report.DataBindings.Add(New DevExpress.XtraReports.UI.XRBinding("empid", myds, "empno")) ` where empid is the Xrlabel text and myds is datasource , and empno is the data field where this data will be displayed on XrLabel(empid). when I debug it gives me error ' invalid property or parameter class '. Any help will be appreciated. Is my question clear ?

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  • Django - testing using large tables of static data

    - by Michael B
    I am using "manage.py test" along with a JSON fixture I created using using 'dumpdata' My problem is that several of the tables in the fixture are very large (for example one containing the names of all cities in the US) which makes running a test incredibly slow. Seeing as several of these tables are never modified by the program (eg - the city names will never need to be modified), it doesn't make much sense to create and tear down these tables for every test run. Is there a better way to be testing this code using this kind of data?

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  • Python ttk.Button -command, runs without button being pressed

    - by Markus Kothe
    I'm making a small script in python with ttk and I have a problem where a function runs where it shouldn't. The button code looks as follows: btReload = ttk.Button(treeBottomUI, text="Reload", width=17, command=loadModelTree(treeModel)) btReload.pack(side="left") and the function is as this: def loadModelTree(tree): print ("Loading models...") allModels = os.listdir(confModPath) for chunk in allModels: ... For some reason, the function runs without the button being pressed. Why?

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  • Does webkit-scrollbar work with webkit-transition?

    - by Trev
    I want a custom webkit-scrollbar to animate a different background color for the hover state. The code below changes the color on hover but doesn't animate anything. It works on a div so I suspect webkit-scrollbar doesn't play nice with transitions. ::-webkit-scrollbar-thumb { background-color: #a8a8a8; -webkit-transition: background-color 1s linear; } ::-webkit-scrollbar-thumb:hover { background-color: #f6f6f6; }

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  • Java without gc - io

    - by Dan
    Hi Guys I would like to run a Java program with garbage collection switched off. Managing memory in my own code is not so difficult. However the program needs quite a lot of I/O. Is there any way (short of using JNI for all I/O operations) that I could achieve this using pure Java? Thanks Daniel

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  • Clean separation of UI with Caliburn MVVM

    - by sylvie
    Looking into various MVVM frameworks for SL. In the Caliburn documentation I saw a code in a controller that calls MessageBox. Is this right or is this just for intro? Is there something like MessageBox service in Caliburn like in Chinch MVVM?

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  • How to make multiple Popups using Jquery

    - by Rajasekar
    For pop up im using the following code style : a.selected { background-color:#1F75CC; color:white; z-index:100; } .messagepop { background-color:#FFFFFF; border:1px solid #999999; cursor:default; display:none; margin-top: 15px; position:absolute; text-align:left; width:394px; z-index:50; padding: 25px 25px 20px; } label { display: block; margin-bottom: 3px; padding-left: 15px; text-indent: -15px; } .messagepop p, .messagepop.div { border-bottom: 1px solid #EFEFEF; margin: 8px 0; padding-bottom: 8px; } JavaScript : $(function() { $("#contact").live('click', function(event) { $(this).addClass("selected").parent().append('<div class="messagepop pop"><form method="post" id="new_message" action="/messages"><p><label for="email">Your email or name</label><input type="text" size="30" name="email" id="email" /></p><p><label for="body">Message</label><textarea rows="6" name="body" id="body" cols="35"></textarea></p><p><input type="submit" value="Send Message" name="commit" id="message_submit"/> or <a class="close" href="/">Cancel</a></p></form></div>'); $(".pop").slideFadeToggle() $("#email").focus(); return false; }); $(".close").live('click', function() { $(".pop").slideFadeToggle(); $("#contact").removeClass("selected"); return false; }); }); $.fn.slideFadeToggle = function(easing, callback) { return this.animate({ opacity: 'toggle', height: 'toggle' }, "fast", easing, callback); }; and finally <a href="/contact" id="contact">Contact Us</a> I need to include another pop up when the register link is clicked. Whether i should use the same function with modifications or seperate functions. Please provide me the code with modifications. Im so weird. Help me.

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  • Exception handling problem in release mode

    - by lama-power
    I have application with this code: Module Startup <STAThread()> _ Public Sub Main() Try Application.EnableVisualStyles() Application.SetCompatibleTextRenderingDefault(False) InitApp() Dim login As New LoginForm() Dim main As New MainForm() Application.Run(login) If login.DialogResult = DialogResult.OK Then ActUser = login.LoggedUser main.ShowDialog() End If DisposeApp() Catch ex As Exception ErrMsg(ex, "Error!", ErrorLogger.ErrMsgType.CriticalError) End End Try End Sub End Module in debug mode everithing is OK. But in release mode when somewhere in application exception occurs my global catch in Main method doesn`t catch exception. What is the problem please?

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  • System.IO.IOException: file used by another process

    - by Srodriguez
    Dear all, I've been working in this small piece of code that seems trivial but still i cannot really see where is the problem. My functions does a pretty simple thing. Opens a file, copy its contents, replace a string inside and copy it back to the original file (a simple search and replace inside a text file then). I didn't really know how to do that as I'm adding lines to the original file, so i just create a copy of the file, (file.temp) copy also a backup (file.temp) then delete the original file(file) and copy the file.temp to file. I get an exception while doing the delete of the file. Here is the sample code: private static bool modifyFile(FileInfo file, string extractedMethod, string modifiedMethod) { Boolean result = false; FileStream fs = new FileStream(file.FullName + ".tmp", FileMode.Create, FileAccess.Write); StreamWriter sw = new StreamWriter(fs); StreamReader streamreader = file.OpenText(); String originalPath = file.FullName; string input = streamreader.ReadToEnd(); Console.WriteLine("input : {0}", input); String tempString = input.Replace(extractedMethod, modifiedMethod); Console.WriteLine("replaced String {0}", tempString); try { sw.Write(tempString); sw.Flush(); sw.Close(); sw.Dispose(); fs.Close(); fs.Dispose(); streamreader.Close(); streamreader.Dispose(); File.Copy(originalPath, originalPath + ".old", true); FileInfo newFile = new FileInfo(originalPath + ".tmp"); File.Delete(originalPath); File.Copy(fs., originalPath, true); result = true; } catch (Exception ex) { Console.WriteLine(ex); } return result; }` And the related exception System.IO.IOException: The process cannot access the file 'E:\mypath\myFile.cs' because it is being used by another process. at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.File.Delete(String path) at callingMethod.modifyFile(FileInfo file, String extractedMethod, String modifiedMethod) Normally these errors come from unclosed file streams, but I've taken care of that. I guess I've forgotten an important step but cannot figure out where. Thank you very much for your help,

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  • How do you update your twitter status using YQL?

    - by waterfallrain
    This is the code example I am following: VALUES ('tweeting from yql!', '@your_consumer_key', '@your_consumer_secret', '@your_access_token', '@your_access_secret'); I understand the consumer key and secret part however I dont understand what to put in for the your_access_token and your_access_secret part. Are these urls I was given what I need to add for the last two items? http://twitter.com/oauth/request_token

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  • NSString problem on iphone while displaying on UILabel

    - by prajakta
    i have a issue , i am asking as new question as previoes one was messed NSString *s=@"hi\nhello\n\nwelcome to this world\ni m jhon" label.frame = ...//big enough height label.numberOfLines = 0; label.text = s; this code helps me to separate string based on \n but if i do this NSString *s=Ad.content //where Ad.content value is **hi\nhello\n\nwelcome to this world\ni m jhon** label.numberOfLines = 0; label.text = s; i am not able to sperate them by \n , what i am doing wrong here kindly suggest Thanks

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  • getting user input via console in c#

    - by every_answer_gets_a_point
    i have this code in a button in a wpf in c#: private void button1_Click(object sender, RoutedEventArgs e) { Console.Write("What is your name?: "); Console.Write("Hello, {0}! ", Console.ReadLine()); Console.WriteLine("Welcome to the C# Station Tutorial!"); } when i click the button, nothing happens. why doesn't the console appear?

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  • Implementing Projectile Motion

    - by DMan
    I've scored the internet for sources and have found a lot of useful information, but they are math sites trying to tell me how to solve what angle an object has to be at to reach y location. However, I'm trying to run a simulation, and haven't found any solid equations that can be implemented to code to simulate a parabolic curve. Can those with some knowledge of physics help me on this?

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  • Vimeo videos in iPhone app

    - by thomasvsundert
    Hi guys, I was wondering if there's a way to "embed" a Vimeo video in an iPhone app. For YouTube videos I'm using a webview containing the correct embed code for the YouTube video and the iPhone's native YouTube support will then transform the flash player into a YouTube button. Is there a similar way to play Vimeo videos from my app? Maybe someone knows the correct <video>-src for Vimeo videos? thanks, Thomas

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  • Debugger for IE7

    - by Muhammad Sajid
    I m using PHP5 & during testing on IE7 if some thing does no work then i can not find the bug quickly as i can do in FF (by the help of Firebug). Is there any tool for code debugging in IE7 like in FireFox we have firebug ?

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  • C# communicate with RS-232 using VISA

    - by George
    Hi, Does anyone have any C# example code to communicate with a device thru an RS-232 serial port using VISA ? I just want to issuse some simple commands and queries to the device as well as open and close it, of course. Any help or advice would be most appreciated. Regards, George.

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  • Strange threads in application in Win7 WOW64

    - by Shcheklein
    We are observing 4-6 threads on Windows 7 x64 in the application which have 3 threads and behaves normally on any Windows (either 32 or 64 bit) prior Windows 7. Process Explorer shows the following "unknown" thread: ntdll.dll!EtwDeliverDataBlock+offset after random interval the following threads appear: ntdll.dll!TpCallbackIndependent+offset ntdll.dll!TpCallbackIndependent+offset after that application can't create thread (error code 8, hot enough space ...). It seems to me that some system DLL creates ETW threads or something. Does anyone know what these threads for and how to manage them?

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  • How to design a command line program and keep it open for a future GUI?

    - by systempuntoout
    What are some best practices to keep in mind when developing a script program that could be integrated with a GUI, probably by somebody else, in the future? Example scenario: i develop a fancy python CLI program that scrapes every unicorn images from the web i decide to publish it on github a unicorn fan programmer decide to take the sources and build a GUI on them. he gives up because my code is a mess How do i avoid step 4 and let unicorn fan programmer build his GUI without hassle?

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  • Emacs follow-mode with multiple splits

    - by Yktula
    My question is related to the following two: http://stackoverflow.com/questions/970292/emacs-multiple-columns-one-buffer http://stackoverflow.com/questions/2588706/vim-configuration-setting-up-autocomplete-and-columns I'm using MPage now in vim, and it works well even when I have more than two columns. How can I use follow-mode to mimic that behavior in Emacs, and have flowing code in more than two columns?

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  • Difference between Java SE/EE/ME?

    - by Richard Knop
    Which one should I install when I want to start learning Java? I going to start with some basics so I will create simple programs that create files, directories, edit XML files and so on, nothing too complex for now. I guess Java SE (Standard Edition) is the one I should install on my Windows 7 desktop? I already have Komodo IDE which I will use to write Java code.

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