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  • Adding Java packages to GWT

    - by Organiccat
    I've tried searching but couldn't come up with a defined way on how to add your own packages to a GWT project. My tree structure looks like this: -com.mycompany -public MyApplication.html MyApplication.gwt.xml -com.mycompany.client MyApp.java -com.mycompany.gui TableLayout.java The answer I've seen out there says to add the packages relative to the root directory of the gwt.xml file, like so: <module> <inherits name="com.google.gwt.user.User" /> <entry-point class="com.mycompany.client.MyApp" /> <source path="client" /> <source path="gui" /> </module> It then complains: Unable to find type 'com.technicon.client.MyApp' Hint: Previous compiler errors may have made this type unavailable Hint: Check the inheritance chain from your module; it may not be inheriting a required module or a module may not be adding its source path entries properly Can anyone tell me what I'm doing wrong and how to fix this?

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  • Override comparison for F# set

    - by Mauricio Scheffer
    Is there any way to override the comparison function in a F# set? I don't see any set construction functions that take a IComparer<T> or comparison function: Set.ofSeq et al don't take a comparison function FSharpSet(IComparer<T> comparer, SetTree<T> tree) constructor is internal, because SetTree is internal and SetTreeModule.ofSeq<a>(IComparer<a> comparer, IEnumerable<a> c) is obviously internal too. My actual problem is that I have a set of ('a * 'a) and I want a comparison such that for example (1,3) = (3,1). I know I could wrap this in a type implementing IComparable<T>, but is there any way to avoid this?

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  • Can't Reorder a UITableViewCell into _some_ empty sections of a UITableView

    - by Jeremy Lightsmith
    If I have a UITableView in edit mode, w/ reordering turned on, it seems I can't move some (but not all) cells into some (but not all) empty sections. For example, if I have this layout : Section 1 apple banana Section 2 doberman Section 3 Section 4 Then I can move 'doberman' into any slot in section 1 (except after 'banana'), but I can't move it into section 3 or 4 at all. On the other hand, I can move 'apple' & 'banana' into section section 2 (except after 'doberman'), and I CAN move it into section 3, but NOT into section 4. What gives? this seems like buggy behavior. How do people work around it? Is apple aware of this bug?

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  • Gtk# TreeView set a single cell to have a different renderer?

    - by Buttink
    OK this is probably insane, but I want to be able to have a check box at the very top of every row in my tree view. This box will "disable" or "enable" the ability to use the column. Oh I think it should be mentioned that I'm using a ListStore and am using C#, mono, GTK#. However, ill take anything and try to figure it out. Ill even accept a way to make two views where the columns line up .... So, possible? or just insane?

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  • How can Perl's XML::Simple ignore HTML embedded in XML?

    - by Miriam Raphael Roberts
    I have an XML file that I am pulling from the web and parsing. One of the items in the XML is a 'content' value that has HTML. I am using XML::Simple::XMLin to parse the file like so: $xml= eval { $data->XMLin($xmldata, forcearray => 1, suppressempty=> +'') }; When I use Data::Dumper to dump the hash, I discovered that SimpleXML is parsing the HTML into the hash tree: 'content' = { 'div' = [ { 'xmlns' = 'http://www.w3.org/1999/xhtml', 'p' = [ { 'a' = [ { 'href' = 'http://miamiherald.typepad.com/.a/6a00d83451b26169e20133ec6f4491970b-pi', 'style' = 'FLOAT: left', 'img' = [ etc..... This is not what I want. I want to just grab content inside of this entry. How do I do this?

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  • Why does Git display certain new folders when checking out old revisions?

    - by ConnorG
    Hey all - I'm still learning the ropes of Git (love it!) but the other day I noticed some behavior I just do not understand. We have, in essence, three folders that got moved into the repository at different times (one immediately after we created the repo, one a little while later, and one just recently). Recently, I had to get some code out of an old revision. I used git checkout <old SHA1 hash> to pull up one of our first checkins, when I noticed Git showed the old folder (as it should), as well as the newest folder (which got added to the repo long after the checked out commit was made). But it did not show the second folder. What would cause Git to display the newest folder with the old revision?

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  • How do I build mDNSResponder?

    - by Alex
    I have tried checking out the mDNSResponder source from Apple's SVN host, with the thought of compiling it and tweaking it. This failed miserably. Here is the last line of the output of cd trunk SRCROOT=. make I get the same error for several tags in the SVN tree, so I'm not sure if there is something on my end wrong? The following build commands failed: mDNSResponder: CompileC mDNSResponder.build/mDNSResponder.build/Objects-normal/i386/mDNSMacOSX.o /Users/myname/Desktop/mDNSResponder/trunk/mDNSMacOSX/mDNSMacOSX.c normal i386 c com.apple.compilers.gcc.4_2 PhaseScriptExecution "Run Script" /Users/myname/Desktop/mDNSResponder/trunk/mDNSMacOSX/mDNSResponder.build/mDNSResponder.build/Script-D284BE6C0ADD80740027CCDF.sh mDNSResponder debug: CompileC "mDNSResponder.build/mDNSResponder debug.build/Objects-normal/i386/mDNSMacOSX.o" /Users/myname/Desktop/mDNSResponder/trunk/mDNSMacOSX/mDNSMacOSX.c normal i386 c com.apple.compilers.gcc.4_2 Build Some: PhaseScriptExecution "Run Script" "/Users/myname/Desktop/mDNSResponder/trunk/mDNSMacOSX/mDNSResponder.build/Development/Build Some.build/Script-FF045B6A0C7E4AA600448140.sh" (4 failures)

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  • Accurate Timings with Oscilloscopes on PC

    - by Paul Bullough
    In the world of embedded software (firmware) it is fairly common to observe the order of events, take timings and optimise a program by getting it to waggle PIO lines and capturing their behavior on an oscilloscope. In days gone by it was possible to toggle pins on the serial and parallel ports to achieve much the same thing on PC-based software. This made it possible to capture host PC-based software events and firmware events on the same trace and examine host software/firmware interactions. Now, my new laptop ... no serial or parallel ports! This is increasingly the case. So, does anyone have any suggestions as to go about emitting accurate timing signals off a "modern" PC? It strikes me that we don't have any immediately programmable, lag-free output pins left. The solution needs to run off a laptop, so using add-on cards that only plug into desktops are not permitted.

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  • ASP.NET MVC 3 Linq uppercase or lowercase database search

    - by user1495557
    I need immediate help. ): and i know little english. ASP.NET MVC 3 Linq uppercase or lowercase contains search Example: string metin="baris"; var IcerikAra = (from icerik in Context.dbDokumanEditor join kategori in Context.dbDokumanKategori on icerik.KategoriID equals kategori.KategoriID where icerik.Icerik.toLower().Contains(metin) select new { KategoriID=kategori. KategoriAd=kategori.KategoriAd }).ToList(); Exception: StackTrace: at System.Data.EntityClient.EntityCommandDefinition.ExecuteStoreCommands(EntityCommandentityCommand, CommandBehavior behavior) at System.Data.Objects.Internal.ObjectQueryExecutionPlan.Execute[TResultType](ObjectContext context, ObjectParameterCollection parameterValues) at System.Data.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption) at System.Data.Objects.ObjectQuery`1.System.Collections.Generic.IEnumerable.GetEnumerator() at System.Data.Entity.Internal.Linq.InternalQuery`1.GetEnumerator() at System.Data.Entity.Infrastructure.DbQuery`1.System.Collections.Generic.IEnumerable.GetEnumerator() at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source) at Plus.Areas.DokumanEditor.Controllers.DokumanController.DokumanIcerikAramaBaslat(String metin) Error Message: An error occurred while executing the command definition. See the inner exception for details. thanks..

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  • Maven eclipse does not add a dependency

    - by Calm Storm
    I have the following snippet in my pom.xml <dependency> <groupId>aspectj</groupId> <artifactId>aspectjrt</artifactId> <version>1.5.3</version> </dependency> and in one of my Java files I refer a class org.aspectj.lang.ProceedingJoinPoint. When I do a "mvn clean install" it compiles and builds fine but when I do an eclipse:eclipse, and import the project in eclipse it gives me an error The import org.aspectj cannot be resolved. I checked the .classpath file that was generated and it does not have an entry to this file. I tried a "mvn dependency:tree" and it lists this fine. Can someone tell me what is going wrong here?

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  • Implementing a configurable factory

    - by Decko
    I'm having difficulties finding out how to implement a 'configurable' behavior in a factory class in PHP. I've got at class, which takes another class as an argument in its constructor. The argument class could take a number of arguments in its constructor. An instance of my main class could look something like this $instance = new MyClass(new OtherClass(20, true)); $instance2 = new MyClass(new DifferentClass('test')); This is rather clumsy and has a number of problems and therefore I would like to move this into a factory class. The problem is that this factory somehow needs to know how to instantiate the argument class, as this class can have any number of arguments in the constructor. Preferably I would like to be able to do something like this $instance = Factory::build('OtherClass'); $instance2 = Factory::build('DifferentClass'); And let the factory retrieve the arguments from a configuration array or similar. Is there a proper solution to this problem?

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  • How does refer(r)er work technically?

    - by NoozNooz42
    I don't understand: how are webserver and trackers like Google Analytics able to track referrals? Is it part of HTTP? Is it some (un)specified behavior of the browsers? Apparently every time you click on a link on a web page, the original web page is passed along the request. What is the exact mechanism behind that? Is it specified by some spec? I've read a few docs and I've played with my own Tomcat server and my own Google Analytics account, but I don't understand how the "magic" happens. Bonus (totally related) question: if, on my own website (served by Tomcat), I put a link to another site, does the other site see my website as the "referrer" without me doing anything special in Tomcat?

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  • wx Python is not properly drawing customtree items

    - by uberjumper
    Hi, I am currently using wx.CustomTree, to use to display a series of configuration settings. I generally fill them with wx.TextCtrl / wx.Combobox, to allow the user to edit / enter stuff. Here is my code: class ConfigTree(CT.CustomTreeCtrl): """ Holds all non gui drawing panel stuff """ def __init__(self, parent): CT.CustomTreeCtrl.__init__(self, parent, id = common.ID_CONTROL_SETTINGS, style = wx.TR_DEFAULT_STYLE | wx.TR_HAS_BUTTONS | wx.TR_HAS_VARIABLE_ROW_HEIGHT | wx.TR_SINGLE) #self.HideWindows() #self.RefreshSubtree(self.root) self.population_size_ctrl = None self.SetSizeHints(350, common.FRAME_SIZE[1]) self.root = self.AddRoot("Configuration Settings") child = self.AppendItem(self.root, "Foo", wnd=wx.TextCtrl(self, wx.ID_ANY, "Lots Of Muffins")) The problem is, any children nodes, the data for these nodes is not filled in. When i basically expand the configuration settings tree node. I see the "Foo" node, however the textbox is empty. This is the same for both text node, Until i actually click on the child node. I've looked tried every form of update / etc. Does anyone have any ideas?

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  • Keyboard focus being stolen by Flash

    - by NewUser
    Performing a search, I noticed several questions dedicated to how to steal/trap the keyboard focus of the visitor. Considering this site is dedicated to programming that's not suprising. I was wondering if anyone can advise me on how to prevent this type of behavior. Losing keyboard focus to flash basically removes my browser's functionality until I use the mouse to click elsewhere (I use Mozilla Firefox). Anyone know of some kind of plugin or greasemonkey script that will prevent my keyboard focus from being stolen? Normal browser "shortcuts" are rendered useless by having to use the mouse to return keyboard focus to the browser. Edit: Reply to the post below, I do have flashblock / noscript and some other things. My issue is flash that I want to see/interact with stealing my focus. Basically looking for something I can toggle that will prevent flash from getting keyboard focus or a way to force my firefox keyboard commands to the browser

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  • Compressing three individual jpeg pics containing temporal redundancy?

    - by michael
    I am interfacing and embedded device with a camera module that returns a single jpeg compressed frame each time I trigger it. I would like to take three successive shots (approx 1 frame per 1/4 second) and further compress the images into a single file. The assumption here is that there is a lot of temporal redundancy, therefore lots of room for more compression across the three frames (compared to sending three separate jpeg images). I will be implementing the solution on an embedded device in C without any libraries and no OS. The camera will be taking pics in an area with very little movement (no visitors or screens in the background, maybe a tree with swaying branches), so I think my assumption about redundancy is pretty solid. When the file is finally viewed on a pc/mac, I don't mind having to write something to extract the three frames (so it can be a nonstandard cluge) So I guess the actual question is: What is the best way to compress these three images together given the fact that they are already in JPEG format (it is a possibly to convert back to a raw image, but if i dont have too...)

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  • Getting an unexpected "?" at the end of a Registry GetValue in C#

    - by Wilhelm Peraud
    Hi, I use the Registry class to manage values in the Registry on Windows Seven in C#. Registry.GetValue(...); But, I'm facing a curious behavior : Every time, the returned value is the correct one, but sometimes, it is followed by an unexpected "?" When I check the Registry, (regedit), the "?" doesn't exist. I really don't understand from where this question mark come from. Could someone help me please ? Info : - C# - 3.5 framework - windows 7 64 bits (and i want my application to work on both 32 and 64 bits systems) Thank you in advance, Wilhelm

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  • jqgrid - edit form field combobox not defaulting to selected row value after first edit

    - by ooo
    i am using jqgrid with asp.net-mvc. I have an edit form (using jqmodal) which works great but for some reason one combobox field doesn't default to the current selected row after the first time i bring up the edit form. the weird thing is that i have many other comboboxes which work fine every time and i don't see any real difference. here is an example of the field that doesn't work: { name: "TechOwner", index: "TechOwner", width: 70, editable: true, edittype: "select", editoptions: { dataUrl: "/Person/GetSelectData" }, editrules: { required: true} }, and here is a field that works fine: { name: "FundingType", index: "FundingType", align: "left", width: 25, editable: true, edittype: "select", editoptions: { dataUrl: "/Project/FundingGetSelectData" }, editrules: { required: true} }, the dropdown is getting populated with all options (including the current selected row option) but its just defaulting to the top item) instead of one that matches the current row. is there anything to look out for here that may cause this behavior?

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  • Objective C - Constants with behaviour

    - by Akshay
    Hi, I'm new to Objective C. I am trying to define Constants which have behavior associated with them. So far I have done - @interface Direction : NSObject { NSString *displayName; } -(id)initWithDisplayName:(NSString *)aName; -(id)left; // returns West when North -(id)right; // return East when North @end @implementation Direction -(id)initWithDisplayName:(NSString *)aName { if(self = [super init]) { displayName = aName; } return self; } -(id)left {}; -(id)right {}; @end Direction* North = [Direction initWithDisplayName:@"North"]; // error - initializer element is not constant. This approach results in the indicated error. Is there a better way of doing this in Objective C.

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  • GKSession sendDataToAllPeers including sender?

    - by Typeoneerror
    I've got a number of devices connected over wifi using GameKit. I have a simple UIAlertView popping up when peers receive data. All but the sendee show this alert view when data is sent, so I'm wondering if that's a bug in my app or if that's expected behavior. If the device doing the sending is also a GKSessionModePeer, I would expect it to "fire" its receiveData: message as well since I'm sending to all peers. Should I call a method manually at the same on the sendee device? For example, if I wanted to send a "GameStart" packet to the 4 phones, the peers would call startGame: in the receiveData:fromPeer:inSession:context: method when it receives that packet and the sendee would be calling sendDataToAllPeers: and call startGame: on itself. Does that sound right or is there a way to include the sendee in the sendDataToAllPeers: list so that it responds exactly the same as all connected peers?

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  • Blackberry pixel-specific animated focus scrolling

    - by Diego Tori
    Suppose I have a VFM full of both focusable and non-focusable fields. Since most of them are spread out far apart, the movement from one focused field to another is jerky at best, even with NullFields in between. In other words, it just sets the current y position to the next focused field without smoothly scrolling the screen. What I want to achieve is to be able to scroll at a fixed rate between fields, so it it doesn't just focus from one to another that instantaneously. After reading up on how to do this, it is a matter of overriding moveFocus and setting it via a TimerTask from an accessor method to set moveFocus, as per this link. However, I haven't seen a practical implementation of how to do this, complete with the routines that are called in the TimerTask's thread. Is there any way to achieve this type of behavior?

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  • How can I render a custom view in a UIScrollView at varying zoom levels without distorting the view?

    - by eczarny
    The scenario: I have a custom view (a subclass of UIView) that draws a game board. To enable the ability to zoom into, and pan around, the board I added my view as a subview of UIScrollView. This kind of works, but the game board is being rendered incorrectly. Everything is kind of fuzzy, and nothing looks right. The question: How can I force my view to be redrawn correctly ay varying scales? I'm providing my view with the current scale and sending it a setNeedsDisplay message after the scroll view is done zooming in/out, but the game board is still being rendered incorrectly. My view should be redrawing the game board depending on the zoom level, but this isn't happening. Does the scroll view perform a generic transformation on subviews? Is there a way to disable this behavior?

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  • How can I save BioPerl sequence nested features in genbank or embl format?

    - by Ryan Thompson
    In BioPerl, a sequence object can have any number of features, and each of these can have subfeatures nested within them. For example, a feature may be a complete coding sequence of a gene, and its subfeatures might be individual exons that are concatenated to form the full coding sequence. However, when I use BioPerl to write a sequence object to a file in genbank or embl format, only the top-level features are written to the file, not the sub-features nested within the top-level features. How can I store my subfeatures in sequence files? Should I just convert all my subfeatures into top-level features, and then reconstruct the tree structure next time I read in the sequence?

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  • Managing Static Library project as a module like Framework on iOS project in Xcode4.

    - by Eonil
    (Solution Note, I'll answer immediately) Many people including me trying to make a kind of Static Library framework for iOS to archive some kind of modularity. Framework is best way to do this, but it doesn't provided by Apple, and workarounds don't work well. https://github.com/kstenerud/iOS-Universal-Framework/tree/master/Fake%20Framework/Templates Fake framework cannot be referenced from linking tab in Build Phases. Real framework needs modification of system setting. And still not work smoothly on every parts. Problem is static library need header files, and it's impossible to reference header files on project at another location on different project without some script. And script breaks IDE's file management abstraction. How can I use static library project like a convenient module manner? (just dragging project into another project to complete embedding)

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  • Simulate the user clicking on a link

    - by timkl
    I want a link to be clicked when a key is pressed, I cooked up this jQuery: $('form#form1').bind("keypress", function(e){ if(e.keycode == 13 || e.keyChar == 13 || e.which == 13){ $('.LoginBoxButton a').click(); } }); It doesn't work, and I've read the following explaining why: It's important to remember that click() will not trigger the default behavior on a link, even if nothing else is preventing it. So you can't use click() by itself to simulate the user clicking on a link and being taken to another url. But how DO you simulate the user clicking on a link and being taken to another url?

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  • Building MobileVLCKit from git.videolan.org repository on macOsX with XCode

    - by ztepsic
    I would like to make an application for iOS(iPhone and iPad) that can play streaming videos through RTSP protocol (that includes mms). I imagined to achive a specified application using VLC player or libVLC library. On the official vlc git repository (http://git.videolan.org/?p=vlc.git;a=tree) in projects/macosx/framework/ folder there is xcode project MobileVLCKit.xcodeproj for which I assume that is a somewhat usable VLC framework for iOS. Now the problem is that I can't/don't know how to build this project. When I try to build MobileVLCKit.xcodeproj I get an error that says it can't find files inside extras/contrib/hosts/i686-apple-darwin10/ios/ folder. I have looked within that folder (extras/contrib) and managed to create folder (with files) extras/contrib/hosts/i686-apple-darwin10/ with make, but there is no ios folder. So, does anybody knows how to successfully build MobileVLCKit?

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