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• In search of a packaged .Net security solution for web-forms.

  - by Chuck Conway

  We are looking for a security solution for asp.net that has security down to the control level. This is not a necessity but, it would be nice. At the very least it needs to extend-able to allow for control level permissions. The solution should have an administration panel of some sort. It also needs to support roles, groups, and individual permissions. We haven't seen anything like this in the marketplace -- we are in the process of rolling our own solution. We'd rather use an off the shelf solution.

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• Deleting orphans with JPA

  - by homaxto

  I have a one-to-one relation where I use CascadeType.PERSIST. This has over time build up a huge amount of child records that has not been deleted, to such an extend that it is reflected in the performance. Now I wish to add some code that cleans up the database removing all the child records that are not referenced by a parent. At the moment we are talking 400K+ records, at I need to run the code on all customer installations just to be sure they do not run into the same problem. I think the best solution would be to run a named query (because we support two databases) that deletes the necessary records, and this is where I get into problems, because how should I write it in JPQL? The result I want can be defined like the following sql statement, which unfortunaltely does not run on MySQL. DELETE FROM child c1 WHERE c1.pk NOT IN (SELECT DISTINCT p.pk FROM child c2 JOIN parent p ON p.child = c2.pk);

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• AS3: Adding get/set methods to a class via prototype

  - by LiraNuna

  I'm looking for a way to extend a class via prototype by adding a get and set functions. The following code will add a function to the class' prototype: MyClass.prototype.newMethod = function(... args) { }; However I want to add both a get and set functions. I tried: MyClass.prototype.fakeProperty = get function(... args) { }; MyClass.prototype.fakeProperty = set function(... args) { }; But that seem to throw compile errors. Is this even possible? Is there some 'internal' naming convention for get/set functions? I am not looking for answers such as 'create a new class and new get/set functions there'.

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• php - Can I integrate functions with same content, different names?

  - by Gal

  I have a couple of functions inside a class that essentially do the same thing: public function fn_a(){ return __FUNCTION__; } public function fn_b(){ return __FUNCTION__; } public function fn_c(){ return __FUNCTION__; } I need those functions to remain in their current names so I intentionally did not do: public function fn_($letter){ return __FUNCTION__.$letter; } I was hoping for some sort of way to minify the verboseness of code here, since they all do the same. The ultimate situation would be something like this: public functions fn_a, fn_b, fn_c() { return __FUNCTION__; } Another solution, if applicable, might be doing something like Class's "extends": fn_b, fn_c extend fn_a? What do you think guys?

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• Import text file crunching library for Java/Groovy ?

  - by devdude

  In a lot of real life implementations of applications we face the requirement to import some kind of (text) files. Usually we would implement some (hardcoded?) logic to validate the file (eg. proper header, proper number of delimiters, proper date/time value,etc.). Eventually also need to check for the existence of related data in a table (eg. value of field 1 in text file must have an entry in some basic data table). While XML solves this (to some extend) with XSD and DTD, we end up hacking this again and again for proprietary text file formats. Is there any library or framework that allows the creation of templates similar to the xsd approach ? This would make it way more flexible to react on file format changes or implement new formats. Thanks for any hints Sven

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• Nicely printing/showing a binary tree in Haskell

  - by nicole

  I have a tree data type: data Tree a b = Branch b (Tree a b) (Tree a b) | Leaf a ...and I need to make it an instance of Show, without using deriving. I have found that nicely displaying a little branch with two leaves is easy: instance (Show a, Show b) => Show (Tree a b) where show (Leaf x) = show x show (Branch val l r) = " " ++ show val ++ "\n" ++ show l ++ " " ++ show r But how can I extend a nice structure to a tree of arbitrary size? It seems like determining the spacing would require me to know just how many leaves will be at the very bottom (or maybe just how many leaves there are in total) so that I can allocate all the space I need there and just work 'up.' I would probably need to call a size function. I can see this being workable, but is that making it harder than it is?

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• How to define a multipage environment not interrupted by tables and figures?

  - by Egon Willighagen

  I have defined a new LaTeX environment for excursions in a book chapter I am writing. The environment is multipage and often includes inline images. Moreover, I am using the shaded environment to give the environment a background colour to make it stand out a bit. However, the environment, as shown below, is split up by floating tables and images, which makes the flow of the environment visually more difficult to follow. For example, it is now difficult to see if that floating image or table is part (the missing background colour does not help). So, I like to extend my environment to disallow it to be interrupted by floating elements, but do not know how to get that done. \newcounter{bioclipse} \def\thebioclipse{\thechapter-\arabic{bioclipse}} \newenvironment{bioclipse}[2][]{\begin{small}\begin{shaded}\refstepcounter{bioclipse} \par\medskip\noindent% \textbf{Bioclipse Excursion~\thebioclipse #1: #2 \vspace{0.1cm} \hrule \vspace{0.1cm}} \rmfamily}{\medskip \end{shaded}\end{small}} Any solution to disallow interruption is fine, even if the background colour is done differently.

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• Positioning elements outside an Activity on Android

  - by Aleksander Kmetec

  Is there a way to absolutely position an UI element on Android so that it is located outside an Activity? For example: can you create a fullscreen ImageView simply by moving/resizing an ImageView inside an existing regular Activity instead of creating a new fullscreen activity? EDIT: Re-reading my question I see I wasn't very clear about what I'm trying to accomplish. I'd like to temporarily extend an element to cover the notification bar at the top of the screen. I need to create a semitranslucent fullscreen overlay but since translucent activities cannot cover the notification bar I'm trying to find out if it's possible for an element to break out of activity's bounds and resize itself to fill the whole screen, top to bottom.

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• flash - django communication -- amf, xml, or json?

  - by shanyu

  We are considering to develop a Flash front-end to a web application written using Django. The Flash front-end will send a simple "id" to the server and in response receive a couple of objects. The application will be open only to authenticated users. To the extend of my current knowledge (which is basic for Flash) we can either use AMF or take an XML or JSON approach. AMF seems to have an upperhand as there are examples out on the internet showing it can cooperate easily with Django's authentication mechanism (most examples feature pyAMF). On the other hand, implementing a XML/JSON based solution may be easier and hassle free. Guidance will be much appreciated.

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• In app purchases in Android.

  - by Samuh

  I have an application that comes bundled with some content(say image, songs etc.). We want to have an in-app store, so that the user can buy contents and extend the experience. What are the different ways in which the above mentioned can be achieved? iPhone has Storekit framework that enables in-app purchases. So, our requirements wants us to follow the suit. Also, according to Android Markets(AM) distribution agreement, an Android application published via AM, is not allowed to accept payments from any Payment collectors other than the one Market provides and/or Google checkout. We have decided to integrate Paypal, now that they have published Mobile Payments Library to Android developers. If we do so, can we publish our application on Android Market?

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• dynamic model is not loading fields

  - by Toby Justus

  I am using a dynamic model found on the forum of sencha. function modelFactory(name, fields) { alert(fields); return Ext.define(name, { extend: 'Ext.data.Model', fields: fields }); } I placed the alert(fields) to check what happens with the field because it was not working. I get this: [object Object],[object Object],[object Object] How can i change this into a correct way to use it in the fields? Is there a way to check if the model has been created? With Firebug or something? EDIT: i get this in firebug: [Object { name="ccuDesignation", type=null}, Object { name="wanNumber", type=null}, Object { name="carrierName", type=null}, Object { name="dataPackageName", type=null}, Object { name="simIccid", type=null}, Object { name="expiryTime", type=null}, Object { name="bytesRx", type=null}, Object { name="bytesTx", type=null}]

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• Maximum Possible File Name Length in Windows Kernel

  - by Lambert

  I was wondering, what is the longest possible name length allowed by the Windows kernel? E.g.: I know the kernel uses UNICODE_STRING structures to hold all object paths, and since the byte length of a wide-character string is stored inside a USHORT, that allows for a maximum path length of 2^15 - 1 characters. Is there a similar, hard restriction on a file name (rather than path)? (I don't care if NTFS or FAT32 imposes a particular restriction; I'm looking for the longest possible theoretically allowed name in the kernel, assuming no additional file system or shell restrictions.) (Edit: For those wondering why this even matters, consider that normally, traversing a directory is achieved by FindFirstFile/FindNextFile calls, one call per file. Given the function named NtQueryDirectoryFile, which is the underlying system call and which returns multiple file names per call, it's actually possible to take advantage of this maximum-length restriction on the path to make an extremely-fast directory traverser that uses solely the stack as a buffer. Now I'm trying to extend that concept, and I need to know the maximum size of a file name.)

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• How to use Dbmapper to generate JPA entity classes from DB script?

  - by Sourabh

  I am tring to use http://code.google.com/p/dbmapper/ and I am not sure how to run it frmo the command prompt. The sample usesege is like below Usage: com.moonspider.dbmap.GenerateConfig -type (-t) [String] The type to generate, either 'jpa' or 'gorm' (experimental) (jpa) -destinationDirectory (-d) [String] Destination directory -url [String] The url of the database -pkg (-package) [String] The target package () -user (-u) [String] Database user (sa) -password (-p) [String] Database password () -globalExtends (-extends) [String] Class for all Java classes to extend -globalImplements (-implements) [String] Class for all Java classes to implement -driver [String] Database drive class -extension (-ext) [String] File extension for the generated code (java) -hibernate [String] Generate hibernate.cfg.xml to this directory -jaxb [flag] Enable xml binding generation -schema [String] Specify the non-default schema to use How to run com.moonspider.dbmap.GenerateConfig from command line ?

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• Add UIView Above All Other Views, Including StatusBar

  - by Mike Stead

  I'm wanting to create a view (UIControl) which blocks all input and shows a UIActivityIndicatorView while authenticating a user. The UIActionSheet and UIAlertView both manage to add a black semi-transparent view over the top of all other views to block input and I'd like to do similar. I've tried adding my view to the top UIWindow in the [[UIApplication sharedApplication] windows] array, and while this does place it above the UIKeyboard if it's visible, it doesn't place it over the StatusBar (which makes sense). My next attempt was to extend UIAlertView, remove all of its subviews and set its layer.contents = nil, then add the ActivityIndicator as a subview. This works well, but I can't seem to kill the default bouncy transition of the UIAlertView when you call it to "show". Does anyone have any pointers towards the best way tackle this problem that gives me full control? Oh and I know blocking input is not great but I do ensure it's for a short period of time and it has the benefit of making it clear to the user that their action, which must complete for them to progress, is processing.

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• strategies for learning complex software packages

  - by Tom

  I am a fairly novice Java programmer and I am currently working on a project to extend a piece of software that has been developed over a few years. So it has pretty big code base and the previous developers knew it well, so extending it is not going to be easy without a thorough understanding of the structure and function. 1) I had begun by trying to tackle small parts of the system and document them with mindmap. (particularly I am trying to document the interactions with external systems) 2) I have the book "code complete", which I am working through. 3) I have pointed some tools like "tattletale" at the code to get some diagrams of dependency relationships. What other strategies should I employ, should I focus on one particular aspect?

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• Autounattend.xml not being recognized in VirtualBox

  - by beagle

  I am working my way through the steps on this page to prepare an unattended installation of Windows 7 Enterprise x64 for purposes of a college assignment which simply requires the process to be carried out and documented. Both the "technician" and "reference" computers are virtual machines created in VirtualBox 4.3.12, as will be the destination computer. I seem to have successfully completed Step 1, building an Autounattend.xml answer file using Windows System Image Manager, in as far as the answer file validates successfully. The problem arises when I try to install Windows on the reference machine from the DVD image in conjunction with the Autounattend file on a USB drive. I have tried a couple of different USB devices, and the devices themselves seem to be recognized, but the answer file does not, as instead of taking the configuration settings from the file the user interface appears as in a manual installation. Has anyone come across this problem or a solution? The xml created by Windows SIM is below for reference in case the problem is with the file itself. <?xml version="1.0" encoding="utf-8"?> <unattend xmlns="urn:schemas-microsoft-com:unattend"> <settings pass="oobeSystem"> <component name="Microsoft-Windows-Deployment" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <Reseal> <Mode>Audit</Mode> </Reseal> </component> <component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <OOBE> <HideEULAPage>true</HideEULAPage> <ProtectYourPC>3</ProtectYourPC> </OOBE> </component> </settings> <settings pass="windowsPE"> <component name="Microsoft-Windows-International-Core-WinPE" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <SetupUILanguage> <UILanguage>en-IE</UILanguage> </SetupUILanguage> <InputLocale>en-IE</InputLocale> <SystemLocale>en-IE</SystemLocale> <UILanguage>en-IE</UILanguage> <UserLocale>en-IE</UserLocale> </component> <component name="Microsoft-Windows-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <DiskConfiguration> <Disk wcm:action="add"> <CreatePartitions> <CreatePartition wcm:action="add"> <Order>1</Order> <Size>300</Size> <Type>Primary</Type> </CreatePartition> <CreatePartition wcm:action="add"> <Order>2</Order> <Extend>true</Extend> <Type>Primary</Type> </CreatePartition> </CreatePartitions> <ModifyPartitions> <ModifyPartition wcm:action="add"> <Active>true</Active> <Format>NTFS</Format> <Label>System</Label> <Order>1</Order> <PartitionID>1</PartitionID> </ModifyPartition> <ModifyPartition wcm:action="add"> <Format>NTFS</Format> <Label>Windows</Label> <Order>2</Order> <PartitionID>2</PartitionID> </ModifyPartition> </ModifyPartitions> <DiskID>0</DiskID> <WillWipeDisk>true</WillWipeDisk> </Disk> <WillShowUI>OnError</WillShowUI> </DiskConfiguration> <ImageInstall> <OSImage> <InstallTo> <DiskID>0</DiskID> <PartitionID>2</PartitionID> </InstallTo> <InstallToAvailablePartition>false</InstallToAvailablePartition> <WillShowUI>OnError</WillShowUI> </OSImage> </ImageInstall> <UserData> <ProductKey> <WillShowUI>OnError</WillShowUI> </ProductKey> <AcceptEula>true</AcceptEula> </UserData> </component> </settings> <settings pass="specialize"> <component name="Microsoft-Windows-IE-InternetExplorer" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <Home_Page>http://www.example.com</Home_Page> </component> </settings> <cpi:offlineImage cpi:source="wim://technician/users/user/desktop/install.wim#Windows 7 ENTERPRISE" xmlns:cpi="urn:schemas-microsoft-com:cpi" />

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• SQL Query Help Part 2 - Add filter to joined tables and get max value from filter

  - by Seth

  I asked this question on SO. However, I wish to extend it further. I would like to find the max value of the 'Reading' column only where the 'state' is of value 'XX' for example. So if I join the two tables, how do I get the row with max(Reading) value from the result set. Eg. SELECT s.*, g1.* FROM Schools AS s JOIN Grades AS g1 ON g1.id_schools = s.id WHERE s.state = 'SA' // how do I get row with max(Reading) column from this result set The table details are: Table1 = Schools Columns: id(PK), state(nvchar(100)), schoolname Table2 = Grades Columns: id(PK), id_schools(FK), Year, Reading, Writing...

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• Jquery set defaults for all instances of a plugin

  - by Chris

  Given the following plugin how would you set defaults for all the instances? I would like it to work the same as $.datepicker.setDefaults(). (function ($) { $.fn.borderSwitcher = function (options) { defaults = { borderColor: 'Black', borderWidth: '1px', borderStyle: 'solid' }; return this.each(function () { var settings = $.extend(defaults, options); $(this).focus(function () { //find a better way to set border properties var props = settings.borderStyle + ' ' + settings.borderWidth + ' ' + settings.borderColor; $(this).css('border', props); }); $(this).blur(function () { $(this).css('border', ''); }); }); }; })(jQuery);

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• d13slideshow for WordPress and "URL file-access is disabled"

  - by windyjonas

  I'm taking my chances with WordPress 3.0 beta 1 (single user) Unfortunately, i ran into problems with d13slideshow. I configured the plugin to display 5 latest from a category, added <?php d13slideshow(); ?> to home.php, but it bombed: function.getimagesize: URL file-access is disabled in the server configuration in /<snip>/wp-content/plugins/d13slideshow/d13slideshow.php on line 538 Warning: getimagesize(http://<snip>/wp-content/uploads/2010/04/featured-2-580x386.jpg) function.getimagesize: failed to open stream: no suitable wrapper could be found in /<snip>/wp-content/plugins/d13slideshow/d13slideshow.php on line 538 Is this a problem with the php setup or is there something I can do with the plugin or the function call from the template files to make it work? http://wordpress.org/extend/plugins/d13slideshow/

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• Will VC++ MFC become obsolete in near future?

  - by AKN

  Normally people say MFC is little clumsy. It makes UI development slightly difficult to maintain since it has lot of auto generated code. It has good architecture (doc/view) but is not transparent like Win32 programming to understand how window program works in the background. So with this situation, is it good to extend the exposure on MFC programming or better to switch to .NET since for faster UI design with ease in maintenance. Is it good to continue as MFC developer or good to know .NET as well? How globally companies are looking into MFC as a technology for UI developments. Are they comfortable in supporting their developers to continue with MFC or looking for changing their development technology.

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• Add programmatically clickable Button with custom Views layouted in InterfaceBuilder

  - by allisone

  I have a UIScrollView. In there I add buttons programmatically. Right now I just use UIButton and set one title. But I need to have an UIImage View in there, that will change upon certain events, Text that will change too etc. and I would like to style that in Interface Builder, but I can't figure out how to do this. Which class should I extend, and what kind of xib should I create and what in there, so that in the end I can make the right connections and so that I can listen for UIControlEventTouchDown of that Button.

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• JavaScript inheritance

  - by Tower

  Hi, Douglas Crockford seems to like the following inheritance approach: if (typeof Object.create !== 'function') { Object.create = function (o) { function F() {} F.prototype = o; return new F(); }; } newObject = Object.create(oldObject); It looks OK to me, but how does it differ from John Resig's simple inheritance approach? Basically it goes down to newObject = Object.create(oldObject); versus newObject = Object.extend(); And I am interested in theories. Implementation wise there does not seem to be much difference.

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• App logicstics & changes due to scope creep

  - by Kevin Brown

  I started an app that was initially a testing platform--user management, and managers that can view their employees tests. Recently, functionality has been extended (not built yet) to allow users to complete a test in place of an employee--basically adding a record, but no user. I have three tables in use for this: users(contains user info for login/security), profiles (all personal info: address, height, etc.), and survey (contains survey answers for user). How do I extend my application to encompass this functionality with minimal change to the structure? I assume that the best way to do this would be to insert records to the tables profiles and survey, and have no username/password/email? There MUST be a user_id associated b/c the tables are linked through the user_ids...

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• abstract class MouseAdapter vs. interface

  - by Stefano Borini

  I noted this (it's a java.awt.event class). public abstract class MouseAdapter implements MouseListener, MouseWheelListener, MouseMotionListener { .... } Then you are clearly forced to extend from this adapter public class MouseAdapterImpl extends MouseAdapter {} the class is abstract and implements no methods. Is this a strategy to combine different interfaces into a single "basically interface" ? I assume in java it's not possible to combine different interfaces into a single one without using this approach. In other words, it's not possible to do something like this in java public interface MouseAdapterIface extends MouseListener, MouseWheelListener, MouseMotionListener { } and then eventually public class MouseAdapterImpl implements MouseAdapterIface {} Is my understanding of the point correct ? what about C# ?

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• java: relationship of the Runnable and Thread interfaces

  - by Karl Patrick

  I realize that the method run() must be declared because its declared in the Runnable interface. But my question comes when this class runs how is the Thread object allowed if there is no import call to a particular package? how does runnable know anything about Thread or its methods? does the Runnable interface extend the Thread class? Obviously I don't understand interfaces very well. thanks in advance. class PrimeFinder implements Runnable{ public long target; public long prime; public boolean finished = false; public Thread runner; PrimeFinder(long inTarget){ target = inTarget; if(runner == null){ runner = new Thread(this); runner.start() } } public void run(){ } }

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