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  • How to use client side code in Visual studio ASP.NET

    - by Robert
    I am a quite new to web development and I am trying to do some small form updates without causing a postback. For example making a control visible when a drop down list is changed. I have so far come across some features that achieve this like the RequiredFieldValidator inside an update panels. However, these are specific to a single task. What are my options to achieve these client side updates in Visual Studio? At the moment I don't know any JavaScript, so I would prefer another solution if it exists.

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  • Best way to code this, string to map conversion in Groovy

    - by Daxon
    I have a string like def data = "session=234567893egshdjchasd&userId=12345673456&timeOut=1800000" I want to convert it to a map ["session", 234567893egshdjchasd] ["userId", 12345673456] ["timeout", 1800000] This is the current way I am doing it, def map = [:] data.splitEachLine("&"){ it.each{ x -> def object = x.split("=") map.put(object[0], object[1]) } } It works, but is there a more efficient way?

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  • Regex to match card code input

    - by kate
    How can I write a regex to match strings following these rules? 1 letter followed by 4 letters or numbers, then 5 letters or numbers, then 3 letters or numbers followed by a number and one of the following signs: ! & @ ? I need to allow input as a 15-character string or as 3 groups of 5 chars separated by one space. I'm implementing this in JavaScript.

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  • VB.net Network Graph code/algorithm

    - by Jens
    For a school project we need to visualise a computer network graph. The number of computers with specific properties are read from an XML file, and then a graph should be created. Ad random computers are added and removed. Is there any open source project or algorithm that could help us visualising this in VB.net? Or would you suggest us to switch to java. Update: We eventually switched java and used the Jung libraries because this was easier for us to understand and implement.

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  • WPF RadioButton selected in UI, but seen by code as IsChecked == false

    - by Mike
    I have some radio buttons in a group box. I select the buttons randomly, and all works perfectly from a visual standpoint and also the event handler is called each time a new button is selected. Now I have a dependency property with a callback when the value changes. When in this callback procedure I read the IsChecked value of any button, the value is False, in spite the button is visually selected (they are all false at the same time, strange). The debugger also displays all buttons unchecked. Hu hu, I'm lacking ideas about the reason, after the basic verifications... <GroupBox> <StackPanel> <RadioButton x:Name="btNone" Content="Disconnected" IsChecked="True" Checked="OnSelChecked"/> <RadioButton x:Name="btManual" Content="Manual" Checked="OnSelChecked"/> </StackPanel> </GroupBox> Event handler: private void OnSelChecked(object sender, RoutedEventArgs e) { if (btManual.IsChecked == true) { // is called } } Dependency property: public static readonly DependencyProperty ManualProperty = DependencyProperty.Register("Manual", typeof(Position), typeof(SwitchBox), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.AffectsRender, new PropertyChangedCallback(OnManualChanged))); Dependency property callback: private static void OnManualChanged(DependencyObject sender, DependencyPropertyChangedEventArgs args) { SwitchBox box = sender as SwitchBox; if (box.btManual.IsChecked == true) { // never true, why?? } }

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  • Code behind methods vs. Jquery AJAX calls

    - by punkouter
    Theres a war brewing I can feel it! Old school coders are used to having every server control create events in the .cs files.. for example.. Getting the Initial load of data, Saving Data, Deleting data... and then binding datasources to the server control.. New school coders want to do it in Jquery + AJAX calls to .svc files... That gives automatic no post backs so that is a advantage... and I think its a different way of thinking.. All of a sudden the UI related events are all being done in Jquery.. What is the most modern and efficient way to go ? How can I convince the old school coders to let us you this new paradigm ? (assuming it is the better way)

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  • Javascript code for handling Form behaviour.

    - by Andrew
    Hello, Here's how the situation looks : I have a couple simple forms <form action='settings.php' method='post'> <input type='hidden' name='setting' value='value1'> <input type='submit' value='Value1'> </form> Other small forms close to it have value2, value3, ... for the specific setting1, etc. Now, I have all these forms placed on the settings.php subpage, but I'd also like to have copies of one or two of them on the index.php subpage (for ease of access, as they are in certain situations rather frequently used). Thing is I do not want those forms based on the index.php to redirect me in any way to settings.php, just post the hidden value to alter settings and that's all. How can I do this with JS ? Cheers

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  • Ruby: Alter class static method in a code block

    - by Phuong Nguy?n
    Given the Thread class with it current method. Now inside a test, I want to do this: def test_alter_current_thread Thread.current = a_stubbed_method # do something that involve the work of Thread.current Thread.current = default_thread_current end Basically, I want to alter the method of a class inside a test method and recover it after that. I know it sound complex for another language, like Java & C# (in Java, only powerful mock framework can do it). But it's ruby and I hope such nasty stuff would be available

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  • Is this code thread-safe?

    - by mafutrct
    I've got a class with several properties. On every value update, a Store method is called with stores all fields (in a file). private int _Prop1; public int Prop1 { get { return _Prop1; } set { _Prop1 = value; Store(); } } // more similar properties here... private XmlSerializer _Ser = new ...; private void Store() { lock (_Ser) { using (FileStream fs = new ...) { _Ser.Serialize (fs, this); } } } Is this design thread-safe? (Btw, if you can think of a more appropriate caption, feel free to edit.)

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  • Is saving to database just to get an ID a bad hack?

    - by Narsil
    I hope the title is not too confusing. I am trying to make folders with linq-to-sql objects' IDs. Actually I have to create folders before I should save them. I will use them to keep user uploaded files. As you can see I have to create the folder with the FileID before I can save it there. So I just save a record which will be edited or maybe deleted File newFile = new File(); ...//add some values to fields so they don't throw rule violations db.AddFile(newFile); db.Save(); System.IO.Directory.CreateDirectory("..Uploads/"+newFile.FileId.ToString()); After that I will have to edit some fields and save again. Of course user might stop upload and I would have to delete it. I know I can write a stored procedure to get the next available FileID but some other upload happening at the same time would get the same number. So they would write in same directory which is a thing I don't want. Should I go on with this, would there be some problems? Can you think of a better way?

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  • js works inside the page but not in code behind

    - by Cristian Boariu
    Hi guys, I have this function put in a MasterPage, which shows up an mp3 player: <script type="text/javascript"> $(document).ready(function() { var stageW = 500; var stageH = 216; var cacheBuster = Date.parse(new Date()); var flashvars = {}; var params = {}; params.bgcolor = '#F6F6F6'; params.allowfullscreen = 'true'; flashvars.stageW = stageW; flashvars.stageH = stageH; flashvars.pathToFiles = ''; flashvars.settingsPath = '../mp3player/mp3player_settings.xml'; flashvars.xmlPath = '<%# getRestXmlPlayerUrl() %>'; flashvars.keepSelected = 't'; flashvars.selectedWindow = '4'; flashvars.slideshow = 't'; flashvars.imageWidth = '130'; flashvars.imageHeight = '130'; swfobject.embedSWF('swf/preview.swf?t=' + cacheBuster, 'myContent', stageW, stageH, '9.0.124', 'swf/expressInstall.swf', flashvars, params); }); </script> All works great. But, because i have some ajax on the page with update panel, the flash in not rendered when ajax requests occurs so i need to register this function and i've tried something like this: protected void Page_PreRender(object sender, EventArgs e) { Type cstype = this.GetType(); String csnameForPlayer = "applyStyleToMp3Player"; if (!Page.ClientScript.IsClientScriptBlockRegistered(cstype, csnameForPlayer)) { StringBuilder cstextForPlayer = new StringBuilder(); cstextForPlayer.Append(" $(document).ready(function() { " + " var stageW = 500;" + " var stageH = 216;" + " var cacheBuster = Date.parse(new Date());" + " var flashvars = {};" + " var params = {};" + " params.bgcolor = '#F6F6F6';" + " params.allowfullscreen = 'true';" + " flashvars.stageW = stageW;" + " flashvars.stageH = stageH;" + " flashvars.pathToFiles = '';" + " flashvars.settingsPath = '../mp3player/mp3player_settings.xml';" + " flashvars.xmlPath = '<%# getRestXmlPlayerUrl() %>';" + " flashvars.keepSelected = 't';" + " flashvars.selectedWindow = '4';" + " flashvars.slideshow = 't';" + " flashvars.imageWidth = '130';" + " flashvars.imageHeight = '130';" + " swfobject.embedSWF('swf/preview.swf?t=' + cacheBuster, 'myContent', stageW, stageH, '9.0.124', 'swf/expressInstall.swf', flashvars, params);" + "}); "); ScriptManager.RegisterStartupScript(this.Page, this.Page.GetType(), csnameForPlayer, cstextForPlayer.ToString(), true); } } Well, this does not work. The flash player does not appear any more, so, i assume that is something wrong in the cstextForPlayer. I've spent over one hour to figure it out but i've failed. Does anyone see the problem? Thanks in advance.

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  • Why does Module::Build's testcover gives me "use of uninitialized value" warnings?

    - by Kurt W. Leucht
    I'm kinda new to Module::Build, so maybe I did something wrong. Am I the only one who gets warnings when I change my dispatch from "test" to "testcover"? Is there a bug in Devel::Cover? Is there a bug in Module::Build? I probably just did something wrong. I'm using ActiveState Perl v5.10.0 with Module::Build version 0.31012 and Devel::Cover 0.64 and Eclipse 3.4.1 with EPIC 0.6.34 for my IDE. UPDATE: I upgraded to Module::Build 0.34 and the warnings are still output. *UPDATE: Looks like a bug in B::Deparse. Hope it gets fixed someday.* Here's my unit test build file: use strict; use warnings; use Module::Build; my $build = Module::Build->resume ( properties => { config_dir => '_build', }, ); $build->dispatch('test'); When I run this unit test build file, I get the following output: t\MyLib1.......ok t\MyLib2.......ok t\MyLib3.......ok All tests successful. Files=3, Tests=24, 0 wallclock secs ( 0.00 cusr + 0.00 csys = 0.00 CPU) But when I change the dispatch line to 'testcover' I get the following output which always includes a bunch of "use of uninitialized value in bitwise and" warning messages: Deleting database D:/Documents and Settings/<username>/My Documents/<SNIP>/cover_db t\MyLib1.......ok Use of uninitialized value in bitwise and (&) at D:/Perl/lib/B/Deparse.pm line 4252. Use of uninitialized value in bitwise and (&) at D:/Perl/lib/B/Deparse.pm line 4252. t\MyLib2.......ok Use of uninitialized value in bitwise and (&) at D:/Perl/lib/B/Deparse.pm line 4252. Use of uninitialized value in bitwise and (&) at D:/Perl/lib/B/Deparse.pm line 4252. t\MyLib3.......ok Use of uninitialized value in bitwise and (&) at D:/Perl/lib/B/Deparse.pm line 4252. Use of uninitialized value in bitwise and (&) at D:/Perl/lib/B/Deparse.pm line 4252. All tests successful. Files=3, Tests=24, 0 wallclock secs ( 0.00 cusr + 0.00 csys = 0.00 CPU) Reading database from D:/Documents and Settings/<username>/My Documents/<SNIP>/cover_db ---------------------------- ------ ------ ------ ------ ------ ------ ------ File stmt bran cond sub pod time total ---------------------------- ------ ------ ------ ------ ------ ------ ------ .../lib/ActivePerl/Config.pm 0.0 0.0 0.0 0.0 0.0 n/a 0.0 ...l/lib/ActiveState/Path.pm 0.0 0.0 0.0 0.0 100.0 n/a 4.8 <SNIP> blib/lib/<SNIP>/MyLib2.pm 100.0 90.0 n/a 100.0 100.0 0.0 98.5 blib/lib/<SNIP>/MyLib3.pm 100.0 90.9 100.0 100.0 100.0 0.6 98.0 Total 14.4 6.7 3.8 18.3 20.0 100.0 11.6 ---------------------------- ------ ------ ------ ------ ------ ------ ------ Writing HTML output to D:/Documents and Settings/<username>/My Documents/<SNIP>/cover_db/coverage.html ... done.

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  • Prevent windows from presenting any dialog on native code unhandled exception

    - by Lucas Meijer
    Our buildserver compiles and runs testsuites for many different c++ programs. From time to time the programs are buggy, and can crash. When they crash, Windows7 will always throw this modal dialog: Which has to be clicked away by a human being, causing the buildserver to sit idle. Is there a way to at a system level prevent this from happening? I know I can do it from within the process itself, but I'd love to be able to do it across the entire system.

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  • Can anyone telme whats 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 can't find out what i have to reinitialize here :$

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  • Function call within XAML code?

    - by Matt H.
    I'd like to set a style on all my TextBox controls that does the following when it receives keyboard focus: 1) Change the background color 2) Call .SelectAll() to highlight all text I have this so far: <Style TargetType="TextBox"> <Style.Triggers> <Trigger Property="IsKeyboardFocusWithin" Value="True"> <Setter Property="Background"> <Setter.Value> <SolidColorBrush Color="#FFFFD1D9"/> </Setter.Value> </Setter> </Trigger> </Style.Triggers> </Style> Is there a way to also call .SelectAll() ? Thanks.

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  • C++/CLI: CA2123: Requires SecurityCriticalAttribute?

    - by TomTom
    I am a little lost on erros like that: Warning 7 CA2123 : Microsoft.Security : Add the following security attribute to 'RithmicConnector::Connect(String^)' in order to match a LinkDemand on base method 'IConnector::Connect(String^)': 'SecurityCriticalAttribute'. c:\work\nettecture\tradex\source\tradex.connectivity.rithmic\rithmicconnector.cpp 52 Tradex.Connectivity.Rithmic Where do I add the SecurityCriticalAttribute? I tried on the header file - but the error does not disappear. I have one of those pretty much on every exposed method of a (managed C++) interface DLL. And I want CA to run through. How do I fix those? Regards

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  • How to convert this jquery code into noconflict

    - by metal-gear-solid
    will we have to replace every $ with jquery? $(document).ready(function() { $('.tabs a').click(function(){ switch_tabs($(this)); }); switch_tabs($('.defaulttab')); }); function switch_tabs(obj) { $('.tab-content').hide(); $('.tabs a').removeClass("selected"); var id = obj.attr("rel"); $('#'+id).show(); obj.addClass("selected"); }

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  • getting a key out of a javascript hash

    - by mcintyre321
    I working with the latest draft of the twitter annotations api. An example bit of data looks like status { annotations : [ {myAnnotationType:{myKey:myValue}}, {someoneElsesAnnotationType:{theirKey:theirValue}}, ] } now i want to check a status to see if it has an annotation with myAnnotationType in it. If annotations was a hash instead of an array I could just write var ann = status.annotations.myAnnotationType. But its not so I wrote this instead: function getKeys(obj){ var keys = []; for (key in obj) { if (obj.hasOwnProperty(key)) { keys[keys.length] = key; } } return keys; } function getAnnotation(status, type){ for(var i=0;i<status.annotations.length;i++){ var keys = getKeys(status.annotations[i]); for(var j=0;j<keys.length;j++){ if(keys[j] == type){ return status.annotations[i]; } } } } var ann = getAnnotation(status, "myAnnotationType"); There must be a better way! Is there? PS I can't use jquery or anything as this is js to be used in a caja widget and the container doesn't support external libs

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  • Why this code generates different numbers?

    - by frbry
    Hello, I have this function that creates a unique number for hard-disk and CPU combination. DWORD hw_hash() { char drv[4]; char szNameBuffer[256]; DWORD dwHddUnique; DWORD dwProcessorUnique; DWORD dwUniqueKey; char *sysDrive = getenv ("SystemDrive"); strcpy(drv, sysDrive); drv[2] = '\\'; drv[3] = 0; GetVolumeInformation(drv, szNameBuffer, 256, &dwHddUnique, NULL, NULL, NULL, NULL); SYSTEM_INFO si; GetSystemInfo(&si); dwProcessorUnique = si.dwProcessorType + si.wProcessorArchitecture + si.wProcessorRevision; dwUniqueKey = dwProcessorUnique + dwHddUnique; return dwUniqueKey; } It returns different numbers if I format my hard-disk and install a new Windows. Any ideas, why? Thank you. Edit: OK, Got it: This function returns the volume serial number that the operating system assigns when a hard disk is formatted. To programmatically obtain the hard disk's serial number that the manufacturer assigns, use the Windows Management Instrumentation (WMI) Win32_PhysicalMedia property SerialNumber. I should do more research before posting my problems online. Sorry to bother you, let's keep this here in case anybody else can need it.

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