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• Blackberry - Custom size EditField

  - by Eric

  I am trying to put together a dialog that should look like this: Fill in the below fields ___________ likes ________________ where the "_" lines are the EditFields. I am sticking all the fields in a HorizontalFieldManager, which I add to the dialog. Unfortunately, the first EditField consumes all the space on the first line. I have tried to override the getPreferredWidth() method of the EditField by creating my own class extending BasicEditField, but have had no success. Surely there must be a simple way to force a certain size for an edit field. What am I missing?

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• Solution: Android INSTALL_FAILED_INSUFFICIENT_STORAGE error.

  - by Andrew Smith

  The INSTALL_FAILED_INSUFFICIENT_STORAGE error is the bane of every Android developer's life. It happens regardless of app size, or how much storage is available. Rebooting the target device fixes the problem briefly, but it soon comes back. There are hundreds (if not thousands) of message board posts from people asking why the problem occurs, but the folks at Google are frustratingly silent on the issue. There is a simple workaround. If your test device is running Android 2.2 or later then add the android:installLocation attribute to your application's manifest file, with the value "preferExternal". This will force the app to be installed on the device's external storage, such as a phone's SD card. For example: <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.andrewsmith.android.darkness" android:installLocation="preferExternal" This is more of a band-aid than a fix, and it may not be ideal if you want your finished app to install on the device's internal memory. But it will at least make the development process a lot less frustrating.

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• Is it a solvable problem to generate a regular expression that matches some input set?

  - by Roman

  I provide some input set which contains known separated number of text blocks. I want to make a program that automatically generate 1 or more regular expressions each of which matches every text block in the input set. I see some relatively easy ways to implement a brute-force search. But I'm not an expert in compilers theory. That's why I'm curious: 1) is this problem solvable? or there are some principle impossibility to make such algorithm? 2) is it possible to achieve polynomial complexity for this algorithm and avoid brute forcing?

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• Rename PHP Downloaded File in File Downloader/Accelerator Applications

  - by Joe

  I have the following "download" script in PHP which basically makes an address on my website download the file for the user, eg. mysite.com/download.php?fileid=10 The question I have is, how can I send the file name to the used for the download when a user downloads the .php address with a File Downloaders/Accelerators? eg. "Content-Disposition" in this case makes the file called download.php where as I want it to be renamed to $downloadFileName as usual. // Set headers header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); header("Content-Description: File Transfer"); header("Content-Type: application/force-download"); header("Content-Disposition: attachment; filename=\"".$downloadFileName."\""); header("Content-Transfer-Encoding: binary"); // Read the file from disk readfile($downloadLocation);

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• Algorithm for calculating definite integrals with bounds at infinity

  - by mbac32768

  Suppose I have an integral that's bounded on one (or both) end by (-)infinity. AFAICT, I can't analytically solve this problem, it takes brute force (e.g. using a Left Riemann Sum). I'm having trouble generalizing the algorithm so that it sets the proper subdivisions; I'll either do far too much work to calculate something trivial, or not do nearly enough and have huge aliasing errors. Answering in any language is cool, but maybe someone with better google-fu can end this quickly. :) Is what I'm looking for as impossible as trying to measure the British coastline?

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• Spring-webflow error popup tweak

  - by igorp1024

  There is a link in a spring-webflow2 based application which start different flows. Flows are shown in popup (popup=true). If the session is expired or server is unavailable, the spring-webflow shows small empty popup with "Ajax Request Error" tooltip shown on mouse over. Is it possible to tweak the popup in order to give the user an ability to either re-login or to just close the popup and retry the request? EDIT: Or maybe some ideas how to force Spring-Dojo to make a redirect to login page?

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• Getting rid of a dangling changeset after rebase in mercurial

  - by steglig

  Hi, I did a hg update --force <repo> to get another seemingly unrelated repository into the current one. Afterwards I merged the first changeset of the other repo (to get renamings "right"). A rebase of the other repository starting from the second changeset left the first changeset (here: revision 5431) dangling in the repository: o changeset: 5433:68c67c7e0bbb | o changeset: 5432:331ee440893a |\ | | | o changeset: 5431:1023b4c44f18 | o changeset: 5430:15aff858ec36 To clean things up I'd like to get rid of revision 5431. How would I do that? Thanks.

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• Can you open an SPSite object while being within a different site collection?

  - by Chris Stewart

  I'm working on creating a common navigation experience across two site collections in MOSS 2007. I've looked around for various solutions and haven't found anything that fits. Our navigation is dynamic and driven by a number of factors, including audience targeting. Most of what I've found relates to having static XML and that just won't work for our requirements. What I'm down to at the moment is just getting a navigation item from site collection A while in the context of site collection B. Are there reasons I shouldn't be able to just open a navigation item from site collection A and gets its audience? Certainly there could be permissions problems on my end, or code related issues, or things that are in my control. What I'm wondering is if there's something inherent to SharePoint that would not allow this. Something I don't have control over which would force me to travel a different path.

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• Range annotation between nothing and 100?

  - by aticatac

  Hi I have a [Range] annotation that looks like this: [Range(0, 100)] public int AvailabilityGoal { get; set; } It works as it should, I can only enter values between 0 and 100 but I also want the input box to be optional, the user shouldn't get an validation error if the input box is empty. If the user leaves it empty it should make AvailabilityGoal = 0 but I don't want to force the user to enter a zero. I tried this but it (obviously) didn't work: [Range(typeof(int?), null, "100")] Is it possible to solve this with Data Annotations or in some other way? Thanks in advance. Bobby

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• C++ overloading virtual = operator

  - by taz

  Hello, here is the code for my question: class ICommon { public: virtual ICommon& operator=(const ICommon & p)const=0; }; class CSpecial : public ICommon { public: CSpecial& operator=(const CSpecial & cs) { //custom operations return *this; } }; CSpecial obj; Basically: I want the interface ICommon to force it's descendants to implement = operator but don't want to have any typecasts in the implementation. The compiler says "can't instantiate an abstract class. Any help/advice will be appreciated.

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• looking for a set union find algorithm

  - by Mig

  I have thousands of lines of 1 to 100 numbers, every line define a group of numbers and a relationship among them. I need to get the sets of related numbers. Little Example: If I have this 7 lines of data T1 T2 T3 T4 T5 T6 T1 T5 T4 T3 T4 I need a not so slow algorith to know that the sets here are: T1 T2 T6 (because T1 is related with T2 in the first line and T1 related with T6 in the line 5) T3 T4 T5 (because T5 is with T4 in line 6 and T3 is with T4 in line 7) but when you have very big sets is painfully slow to do a search of a T(x) in every big set, and do unions of sets... etc. Do you have a hint to do this in a not so brute force manner? I'm trying to do this in python. Thanks

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• Does Android Speech Synthesis do not work for HTC Dream firmware version 1.6 build DRD20 ?

  - by mob-king

  I have a HTC Dream firmware version 1.6 build DRD20. I am unable to install voice data in Menu == Settings == Speech Synthesis == Install voice data. The option just brings me back to previous screen of settings. I also tried installing Speech Synthesis Data Installer and many other applications for text to speech. But none works and give back Sorry! Force close error. Is there any way by which I can install voice data ? Or any way I can use text to speech ? Can anyone also tell what is latest offical firmware available for this mobile ?

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• Does Android Speech Synthesis do no work for HTC Dream firmware version 1.6 build DRD20 ?

  - by mob-king

  I have a HTC Dream firmware version 1.6 build DRD20. I am unable to install voice data in Menu == Settings == Speech Synthesis == Install voice data. The option just brings me back to previous screen of settings. I also tried installing Speech Synthesis Data Installer and many other applications for text to speech. But none works and give back Sorry! Force close error. Is there any way by which I can install voice data ? Or any way I can use text to speech ? Can anyone also tell what is latest offical firmware available for this mobile ?

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• iphone refresh images UIImageView

  - by Rick

  I have a rather basic question. I have several(5) UIImageView images on my screen. When I click a button, I want to change each image to something else. I also want to play a sound as each image is changed. So I basically want a clicking sound as each image changes. The problem is, for some reason if I have say 5 images, the sound gets played 5 times first and then the images change. It's like the images only refresh when control goes back to the user for input. How can I "force" it to refresh the images as soon as i tell it what image to display? I'm new to the iphone/macworld, so go easy on me :-) Rick

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• How to code for Alternate Course AKA Rainy Day Scenary?

  - by janetsmith

  Alternate course is something when user doesn't do what you expected, e.g. key in wrong password, pressing back button, or database error. For any programming project, alternate course accounts for more than 50% of a project timeline. It is important. However, most computer books only focus on Basic Course (when everything goes fine). Basic course is rather simple, compared to Alternate course, because this is normally given by client. Alternate course is what we, as a programmer or Business Analyst needs to take care of. Java has some built-in mechanism (try-catch) to force us to handle those unexpected behavior. The question is, how to handle them? Any pattern to follow? Any guideline or industry practice for handling alternate course?

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• Returning NSNull from actionForLayer:forKey

  - by MrHen

  If I implement the CALayer delegate method actionForLayer:forKey I can return [NSNull null] to force the CALayer to not animate any changes. Unfortunately, [NSNull null] doesn't implement the CAAction delegate and XCode kicks out the following warning: warning: class 'NSNull' does not implement the 'CAAction' protocol Here is the method code: - (id<CAAction>)actionForLayer:(CALayer *)theLayer forKey:(NSString *)theKey { //This disables the animations when moving things around //Also, don't animate the selection box. It was doing weird things if(undoGroupStarted || theLayer == self.selectionBox) { return [NSNull null]; } else { return nil; } } Am I doing something wrong? Is returning [NSNull null] bad behavior? If so, what is another way to do what I am trying to do here? If not, how do I make the compiler happy?

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• Android application not working on 1.5 firmware?

  - by UMMA

  dear friends, i have created a single page application of showing phonebook data in a list. i am using 2.1 sdk in emulator and application works fine. but in my HTC hero firmware is 1.5 when i try to intall same application on HTC hero application is installed successfully but when i click on app icon it gives me force close error even i have set minsdkversion property in manifest file to 3 here is the log Cat [2010-05-17 12:28:18 - AddressBook]Starting activity com.example.AddressBook.AddressBook on device [2010-05-17 12:28:19 - AddressBook]ActivityManager: Can't dispatch DDM chunk 46454154: no handler defined [2010-05-17 12:28:19 - AddressBook]ActivityManager: Can't dispatch DDM chunk 4d505251: no handler defined [2010-05-17 12:28:20 - AddressBook]ActivityManager: Starting: Intent { comp={com.example.AddressBook/com.example.AddressBook.AddressBook} } please help me out whats wrong? any help would be appriciated.

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• Using a ref Parameter with the this Keyword?

  - by grefly

  Is there a way to force the this keyword to act as a ref argument? I would like to pass in a visitor that modifies multiple properties on the object, but this only wants to act like a value parameter. Code in Object: public void Accept(Visitor<MyObject> visitor) { visitor.Visit(this); } Code in Visitor: public void Visit(ref Visitor<MyObject> receiver) { receiver.Property = new PropertyValue(); receiver.Property2 = new PropertyValue(); }

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• How to make CSS float left not bend around when browser width is shrunk

  - by jesse

  I have 2 div boxes. It's all working fine but when the browser is shrunk to less than 800 pixels or so, the second div moves underneath the first div. How can I force it to always stay to the right of it? #testbox1 { background-color: #0000ff; min-width: 300px; width: 30%; height: 200px; position: relative; float: left; } #testbox2 { background-color: #00ffff; width: 500px; height: 200px; position: relative; float: left; }

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• Detach many subdirectories into a new, separate Git repository

  - by prisonerjohn

  This question is based on http://stackoverflow.com/questions/359424/detach-subdirectory-into-separate-git-repository Instead of detaching a single subdirectory, I want to detach a couple. For example, my current directory tree looks like this: /apps /AAA /BBB /CCC /libs /XXX /YYY /ZZZ And I would like this instead: /apps /AAA /libs /XXX The --subdirectory-filter argument to git filter-branch won't work because it gets rid of everything except for the given directory the first time it's run. I thought using the --index-filter argument for all unwanted files would work (albeit tedious), but if I try running it more than once, I get the following message: Cannot create a new backup. A previous backup already exists in refs/original/ Force overwriting the backup with -f Any ideas? TIA

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• Different behaviour of browsers while caching the same file.

  - by Amrita

  I am trying to implement mod_disk_caching. i wrote a php code as shown in the example of the tutorial i was following. i fired the following in the terminal a2enmod cache a2enmod disk_cache /etc/init.d/apache2 force-reload then in the php code "; ? now i tried running it using firefox. In the first execution i got the following timestamp. 1308643975 here, when i press refresh, the timestamp changes (as the file is reloaded from the server) and remains the same when i click the link again (as the file is retrieved from the cache). Now i am trying the same with IExplorer. As per my understanding, the timestamp should be the same as the subsequent request for the file will be retrieved only from the cache. But i got a different timestamp. Can anyone explain me the reason for this? Why is it giving separate timestamps when the browsers are different? Thanks and Regards, AMJ

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• Use matching value of a RegExp to name the output file.

  - by fx42

  I have this file "file.txt" which I want to split into many smaller ones. Each line of the file has an id field which looks like "id:1" for a line belonging to id 1. For each id in the file, I like to create a file named idid.txt and put all lines that belong to this id in that file. My brute force bash script solution reads as follows. count=1 while [ $count -lt 19945 ] do cat file.txt | grep "id:$count " >> ./sets/id$count.txt count='expr $count + 1' done Now this is very inefficient as I have do read through the file about 20.000 times. Is there a way to do the same operation with only one pass through the file? - What I'm probably asking for is a way to use the value that matches for a regular expression to name the associated output file.

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• Re-measuring custom item renderer on a List

  - by leolobato

  I'm writing an Adobe Air client to a service similar to Twitter. On the timeline (List component) I have a custom item renderer which is basically a Canvas with a fixed-width Image and a Text control, which is multi-line. If the text is long enough to change the Canvas height, it will only be resized if I manually change the width of the Window, forcing a redraw of all renderers. If I simply scroll through the List, all "new" renderers will have the minimum height possible (which is the Image height). Any ideas on how to force the re-measurement of the renderer when I set it's data? Thanks in advance! :)

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• How to automatically start a C# WebService?

  - by hancock

  Hi, I have written a C# WebService. The problem is that after I publish it to IIS it won't automatically start unless any of its methods is called. This is very frustrating because this WebService has to continuously do some background work immediately after it starts (its constructor executes). If IIS is restarted, the WebService will just sit idly until one of its methods is called. Is there a way to overcome this and force the WebService to execute its constructor immediately after it is published or IIS restarted?

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• Algorithm for Determining Variations of Differing Lengths

  - by joseph.ferris

  I have four objects - for the sake of arguments, let say that they are the following letters: A B C D I need to calculate the number of variations that can be made for these under the following two conditions: No repetition Objects are position agnostic Taking the above, this means that with a four object sequence, I can have only one sequence that matches the criteria (since order is not considered for being unique): ABCD There are four variations for a three object combination from the four object pool: ABC, ABD, ACD, and BCD There are six variations for a two object combination from the four object pool: AB, AC, AD, BC, BD, and CD And the most simple one, if taken on at a time: A, B, C, and D I swear that this was something covered in school, many, many years ago - and probably forgotten since I didn't think I would use it. :-) I am anticipating that factorials will come into play, but just trying to force an equation is not working. Any advice would be appreciated.

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