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• Virtual/soft buttons for (Home, menu,Back, Search) always on top?

  - by Ken

  How can I make an app or maybe service that looks like (Nexus One touch buttons) for the navigation keys (Home, menu,Back, Search) The buttons should always be visibly and always stay on top and send the command to the app thats running. Someone have ideas and sample codes how to do that? * I see an app with name (Smart Taskmanager) wich always detect when you touch the right side of the screen and then detect when you slide the finger to left. So I think its possible, with this function I think its possible to implementate the code to simulate the (Home, Meny, Back, Search) buttons. * I also see and test an app wich show a "cracked display" always ontop so that tecnic maybe shold be useful to always show the buttons/bitmanp on top. Thoose function, to show the button and catch the "touch event" and send the event to the active program, thats what i dont can figure out how to do. Thats my thought! I Hope there are some deep developer wich know this solution! Regards Ken

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• problem using base64 encoder and InputStreamReader

  - by karoberts

  I have some CLOB columns in a database that I need to put Base64 encoded binary files in. These files can be large, so I need to stream them, I can't read the whole thing in at once. I'm using org.apache.commons.codec.binary.Base64InputStream to do the encoding, and I'm running into a problem. My code is essentially this FileInputStream fis = new FileInputStream(file); Base64InputStream b64is = new Base64InputStream(fis, true, -1, null); InputStreamReader reader = new InputStreamReader(b64is); preparedStatement.setCharacterStream(1, reader); When I run the above code, I get one of these during the execution of the update java.io.IOException: Underlying input stream returned zero bytes, it is thrown deep in the InputStreamReader code. Why would this not work? It seems to me like the reader would attempt to read from the base 64 stream, which would read from the file stream, and everything should be happy.

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• Cloning objects in C#

  - by Alison

  I want to do something like... myObject myObj = GetmyObj()//create and fill a new object myObject newObj = myObj.Clone(); ...and then make changes to the new object that are not reflected in the original object. I don't often need this functionality so when it's been necessary I've resorted to creating a new object and then copying each property individually but it always leaves me with the feeling that there is a better/more elegant way of handling the situation. How can I clone/deep copy an object so that the cloned object can be modified without any changes being reflected in the original object?

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• Corporate Wiki Organization - Technical Documentation

  - by Dave Jarvis

  Corporations have documents describing various aspects of their technical systems, including: Custom Applications Custom Development Frameworks Third Party Applications Accounting Bug Tracking Network Management How To Guides User Manuals Software Tools Web Browsers Development IDEs Graphics GIMP xv Text Editing File Transfer ncFTP WinSCP Hardware Servers Web Database Exchange File Network Devices Printers What other items are missing from the list, and how would you organize it? (For example, would Software Tools make more sense under Third Party Applications?) Try to think about where you, a software developer, would expect to find the information by browsing (not searching). A few constraints: The structure should not go beyond three levels deep. Avoid the word "and" in favour of two different categories. Keep the structure general: it should appy as broadly as possible. Target audience is primarily technical.

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• Passing complex objects to javascript via IScriptControl

  - by Jeff Dege

  I'm playing around with a asp.net page that's using the IScriptControl interface to pass data from the code-behind to the custom javascript object running on the browser. I'm passing a number of properties via IScriptControl.GetScriptDescriptors(), and they're all working fine, except for one. That one is a class derived from System.Collections.Generic.Dictionary<. And even that one has been working for me, so long as the elements in the collection were scalars - ints, doubles, and strings. But when I tried to pass a member of a class, it showed up as a null object in the javascript. The class in question is marked [Serializable]. I changed it to a struct, and got the same behavior. It looks as if the serializer used in IScriptControl does a shallow copy. I need a deep copy. Any ideas?

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• NHibernate, the Parallel Framework, and SQL Server

  - by andy

  hey guys, we have a loop that: 1.Loops over several thousand xml files. Altogether we're parsing millions of "user" nodes. 2.In each iteration we parse a "user" xml, do custom deserialization 3.finally, in each iteration, we send our object to nhibernate for saving. We use: .SaveOrUpdateAndFlush(user); This is a lengthy process, and we thought it would be a perfect candidate for testing out the .NET 4.0 Parallel libraries. So we wrapped the loop in a: Parallel.ForEach(); After doing this, we start getting "random" Timeout Exceptions from SQL Server, and finally, after leaving it running all night, OutOfMemory unhandled exceptions. I haven't done deep debugging on this yet, but what do you guys think. Is this simply a limitation of SQL Server, or could it be our NHibernate setup, or what? cheers andy

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• Java, searching through folders to match a name

  - by Nick

  Hi folks, I using java to search for a file or folder that matches a specific case. For instance i want to search through all the files and folders and iterate through them as many times as necessary untill i find a result. The catch I searching for files and folders through a binary image of a file system. This means i doubt there are any preexisting classes such java.file.* to do it for me. If it helps i can tell you that i can tell the difference between files and folders easily enough. (a folder is flagged as 0x20) The only way i can think of is to do a standard loop and iterated several times but this limits me if a file or folder is several folders deep. All input greatly welcome

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• Find key of parent in array / PHP

  - by 106691756905536410593

  Perhaps someone can help me out with this one: I'm using a basic search function to find an array deep within an array. The problem is, once that array is found, I'd also like to return it's parent key. Is there a PHP function that can determine the parent key of an array? Below is an example of the Search Function... Ideally I'd like to return the array that is found, as well as it's parent key. function search($array, $key, $value){ $results = array(); if (is_array($array)){ if ($array[$key] == $value){ $results[] = $array; } foreach ($array as $subarray){ $results = array_merge($results, search($subarray, $key, $value)); } } return $results; }

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• Mahout Naive Bayes Classifier for Items

  - by Nimesh Parikh

  Team, I am working on a project where i need to classify Items into certain category. I have a single file as input; which contains target variable and space separated features. My training data will look like Category Name [Tab] DataString Plumbing [Tab] Pipe Tap Plastic Pipe PVC Pipe Cold Water Line Hot Water Line Tee outlet up Elbow turned up Elbow turned down Gate valve Globe valve Paint [Tab] Ivory Black Burnt Umber Caput Mortuum Violet Earth Red Yellow Ochre Titanium White Cadmium Yellow Light Cadmium Yellow Deep Cloths [Tab] Shirt T-Shirt Pent Jeans Tee Cargo Well, I have really big set of Category. I have couple of question here am i using correct data for Training? If no then what should i use? Once I train and Test my model, what is next step? How can i use output? Please help me with this Thanks, Nimesh

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• Can TextMate find matching opening and closing tags?

  - by johnny

  Something I liked in Visual Studio was that I could click an opening tag, say and it would do its best to highlight in bold the closing tag. Does anyone know if you can do that in textmate? I searched an looked but cannot find it. It gets hard to find the closing tag many DIVs deep. If TextMate won't do it, can anyone tell me an editor on Mac that will? Thank you for any help. EDIT: If it can do it, can someone please tell me how? Thanks again.

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• Get the XPath to an XElement?

  - by Chris

  I've got an XElement deep within a document. Given the XElement (and XDocument?), is there an extension method to get its full (i.e. absolute, e.g. /root/item/element/child) XPath? E.g. myXElement.GetXPath()? EDIT: Okay, looks like I overlooked something very important. Whoops! The index of the element needs to be taken into account. See my last answer for the proposed corrected solution.

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• Track pageviews in Google Analytics on partial url of Grails application

  - by Pieter van Gent

  For my Grails application I want to set up Google Analytics to track only "partial" url's. I 'll explain: a typical Grails url consists of the following parts: domain + application-name + controller + action + id e.g. www.mydomain.com/myapp/controller/action/12345 As far as I understand for Google Analytics the page to be tracked is identified by the entire url. For my purpose I'm not interested in the id part of the url: I want to know which actions have been performed, but I need not know for which id the action was executed. And of course I would like a generic solution, because I have multiple controllers and multiple actions... Maybe some kind of filter stating "I want to track pages 3 levels deep (/myapp/controller/action)" would do? Or a filter stating "exclude everything from url after the last /"? Any help would be much appreciated. Kind regards, Pieter

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• CakePHP: Why does adding 'Security' component break my app?

  - by Steve

  I have a strange problem -- of my own making -- that's cropped up, and is driving me crazy. At some point, I inadvertently destroyed a file in the app/tmp directory...I'm not sure which file. But now my app breaks when I include the "Security" component, and works just fine when it's not included. I'm thinking it might be related to the Security.salt value somehow, or possibly to the saved session info, but I don't really have a deep enough knowledge of CakePHP to figure it out. Can anyone offer any insight here?

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• Textbox1.Focus(); does not work; as does not Page.SetFocus(Textbox1); why?

  - by b0x0rz

  as stated both of these do not work: Textbox1.Focus(); or Page.SetFocus(Textbox1); any idea why? this is the control itself: <asp:TextBox ID="Textbox1" ClientIDMode="Static" CssClass="Textbox1" runat="server" MaxLength="80"></asp:TextBox> it is located on a page, two master pages deep. the form tag is on the second master page, so that is why the focus is not being set there. not working in: ie, firefox, chrome and safari (all latest versions). help! thnx

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• Testing objects for changes

  - by David Veeneman

  I have an application that needs to determine whether a user has made a change to an object. So, when the object is first loaded, I create a deep copy (using serialization/deserialization) and save the copy to a separate field. The copy becomes myCurrentObject, and the original becomes myOriginalObject. Now I need to test myCurrentObject for changes, which I plan to do by comparing it to myOriginalObject. All I need is a boolean result indicating whether any changes have been made. I have already determined that a simple hashcode comparison won't work. GetHashCode() generates different results for the two objects, even when there are no changes. I am getting ready to write a method to do a property-by-property comparison, but before I do, I thought I would check to see if there is a simpler and more reusable way to test myCurrentObject to see if it has changed from myOriginalObject. Any suggestions? Thanks for your help.

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• jQuery: How to select the next element with name-xyz?

  - by Shpigford

  I'm trying to build a really simple generic toggle functionality where the toggling "switch" has a class of .toggle and then I want it to toggle() the next element that has the class .toggle-content. Example HTML: <p> <a href="#" class="toggle">Toggle the thing</a> </p> <p class="toggle-content hidden">I'm totally hidden right now</p> So right now I'd toggle that with: $(".toggle").click(function() { $(this).parent().next('.toggle-content').toggle(); }); The problem is if the .toggle class is any deeper in the DOM, I have to keep tacking on more parent()'s depending on how deep it is/isn't. So how can I just select the next instance of .toggle-content without having use a bunch of parent()'s and next()'s?

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• Is it possible to control the destination folder when checking out a project from VSS 2005?

  - by swolff1978

  We are currently using VSS 2005 for source control - and please let me start by saying, I've read a lot of posts on Stackoverflow and I realize VSS is the devil. That being said... its what we have to work with now and I have a question about the checkout process. We have the code organized in a certain hierarchy on the vss server, but when we do a checkout we don't need that same hierarchy on our machines. Is there a way to control how visual studio 2008 and vss 2005 create the checkout destination folder so that I don't end up with the code being 9 folders deep on MY machine?

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• Silly CSS ref problem.

  - by Lucifer

  Hi All, I am having a very weird problem. I cannot for the life of me figure it out. The code for my page (at the moment), is this: <link rel="stylesheet" href="assets/css/default.css" /> But, why does it not load the stylesheet? When I move the stylesheet into the same location as the index.html page, and then change the references to it to point to the root dir, it works again? It never wants to work if the stylesheet is any more than 1 directory deep. Is this normal? Or should it still work?

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• How to gain greater control of network packets on Android

  - by mauvehead

  I'm looking to design an application that will require some deep control over IP packets. Looking over the reference guide on the developers site at Android I see very limited control over packets from java.net:SocketOptions and java.net:DatagramPacket. Specifically I'm looking to control the individual bits within the packet to set TCP Flags, SYN/ACK/RST, and so forth. Based on the docs I am assuming I cannot do this within the Java API provided by Android and I'm guessing I'll have to do it some other way? Anyone have any insight on this?

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• Objective-C : enum like Java (int values and many others for each enum)

  - by Oliver

  In Java, you can make an enum having multiples values. In objective-C, this cannot be done easily. I've read many pages about this but I didn't found anything satisfying that would allow me to use enums by a simple way and to keep the enum declaration and their different values in the same file. I would like to write something like this in a enums.h : // ======================================== typedef enum {eRED, eGREEN, eBLUE} ColorEnum; int colorValues[] = { 0xFF0000, 0x00FF00, 0x0000FF }; NSArray *colorNames = [NSArray arrayWithObjects:@"Red color", @"light green", @"Deep blue", nil]; // ======================================== and be able to use thoses global variables to manage my stuff anywhere like : int color = colorValues[eRED]; But I don't know how to write this. I have compile errors like "ColorValues" is defines many times. Or if I just use "static", I have many "ColorValues" not used in .m file... Could you help me ?

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• How to shrink-to-fit an std::vector in a memory-efficient way?

  - by dehmann

  I would like to 'shrink-to-fit' an std::vector, to reduce its capacity to its exact size, so that additional memory is freed. The standard trick seems to be the one described here: template< typename T, class Allocator > void shrink_capacity(std::vector<T,Allocator>& v) { std::vector<T,Allocator>(v.begin(),v.end()).swap(v); } The whole point of shrink-to-fit is to save memory, but doesn't this method first create a deep copy and then swaps the instances? So at some point -- when the copy is constructed -- the memory usage is doubled? If that is the case, is there a more memory-friendly method of shrink-to-fit? (In my case the vector is really big and I cannot afford to have both the original plus a copy of it in memory at any time.)

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• Weird behaviour of a deserialized class

  - by orloffm

  I've got a huge XML file that's being deserialized by XmlSerializer in an XSD-generated class structure. Everything used to work just fine, but now a weird thing started happening. Sometimes (50% of runs) a field of a certain object of a class that's deep in the class tree just changes to a certain value of the same field of a different object of the same class. It happens when entering some function, when debugger steps from opening "{" to the first line of code. I understand that it's stupid question, but maybe someone have any thoughts?

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• How can I instantiate a base class and then convert it to a derived class?

  - by Eric

  I was wondering how to do this, consider the following classes public class Fruit { public string Name { get; set; } public Color Color { get; set; } } public class Apple : Fruit { public Apple() { } } How can I instantiate a new fruit but upcast to Apple, is there a way to instantiate a bunch of Fruit and make them apples with the name & color set. Do I need to manually deep copy? Of course this fails Fruit a = new Fruit(); a.Name = "FirstApple"; a.Color = Color.Red; Apple wa = a as Apple; System.Diagnostics.Debug.Print("Apple name: " + wa.Name); Do I need to pass in a Fruit to the AppleCTor and manually set the name and color( or 1-n properties) Is there an better design to do this?

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• Catching Oracle Errors in Django

  - by Dashdrum

  My Django app runs on an Oracle database. A few times a year, the database is unavailable because of a scheduled process or unplanned downtime. However, I can't see how to catch the error a give a useful message back to the requester. Instead, a 500 error is triggered, and I get an email (or hundreds) showing the exception. One example is: File "/opt/UDO/env/events/lib/python2.6/site-packages/django/db/backends/oracle/base.py", line 447, in _cursor self.connection = Database.connect(conn_string, **conn_params) DatabaseError: ORA-01035: ORACLE only available to users with RESTRICTED SESSION privilege I see a similar error with a different ORA number when the DB is down. Because the exception is thrown deep within the Django libraries, and can be triggered by any of my views or the built in admin views, I don't know where any exception trapping code would go. Any suggestions?

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• Locating multiple nested If statements using regular expressions

  - by TERACytE

  Is there a way to search for multiple nested if statements in code using a regular expression? For example, an expression that would locate an instance of if statements three or more layers deep with different styles (if, if/else, if/elseif/else): if (...) { <code> if (...) { <code> if (...) <code> } else if (...) { <code> } else { <code> } } else { <code> }

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