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• Did IE8 lose the document.frames collection?

  - by Nick

  Hey all.. I noticed that an application I am maintaining was giving me a javascript error in IE8 and FF. The script was trying to get a collection of frame elements: document.frames This always returned 'undefined'. I placed a watch on the document object and noticed that this collection does not seem to be a member of the document object in IE8. I think this was always the case in FF but this same code works in older versions of IE. Has this been removed? -Nick

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• StorageClientException: The specified message does not exist?

  - by Aaron

  I have a simple video encoding worker role that pulls messages from a queue encodes a video then uploads the video to storage. Everything seems to be working but occasionally when deleting the message after I am done encoding and uploading I get a "StorageClientException: The specified message does not exist." Although the video is processed, I believe the message is reappearing in the queue because it's not being deleted correctly. Is it possible that another instance of the Worker role is processing and deleting the message? Doesn't the GetMessage() prevent other worker roles from picking up the same message? Am I doing something wrong in the setup of my queue? What could be causing this message to not be found on delete? some code... //onStart() queue setup var queueStorage = _storageAccount.CreateCloudQueueClient(); _queue = queueStorage.GetQueueReference(QueueReference); queueStorage.RetryPolicy = RetryPolicies.Retry(5, new TimeSpan(0, 5, 0)); _queue.CreateIfNotExist(); public override void Run() { while (true) { try { var msg = _queue.GetMessage(new TimeSpan(0, 5, 0)); if (msg != null) { EncodeIt(msg); PostIt(msg); _queue.DeleteMessage(msg); } else { Thread.Sleep(WaitTime); } } catch (StorageClientException exception) { BlobTrace.Write(exception.ToString()); Thread.Sleep(WaitTime); } } }

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• How can I crop/scale user images so I can display fixed sized thumbnails without skewing and stretch

  - by KingNestor

  I'm working on allowing users to upload profile pictures for my site. The classic example of what I'm trying to avoid is plentyoffish.com where each users image is skewed and looks very ugly: So, how can I progmatically crop/create standard sized versions of an image without the skewing demonstrated above?

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• Best way to write a Safari Extension

  - by username

  What is the best way to write a Safari extension? I've written a couple XUL extensions for Firefox, and now I'd like to write versions of them for Safari. Is there a way that would allow you to add buttons or forms to the browser UI, since this is not possible with an Input manager or Service menu?

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• Targeting Android with Scala 2.8 Trunk builds

  - by Kevin Wright

  The definitive reference for using Scala on android seems to be here: http://www.scala-lang.org/node/160 Unfortunately, all the references on using scala with android are based around Scala 2.7 and refer to a custom build android-library.jar, with a couple of cryptic references suggesting that this custom build isn't needed for later versions of android (I'm using 2.1 / API v7) So... What are the steps needed to use Scala 2.8 in an android project? Preferably using eclipse and the Android tools that Google supplies for that IDE.

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• Testing performance of queries in mysl

  - by Unreason

  I am trying to setup a script that would test performance of queries on a development mysql server. Here are more details: I have root access I am the only user accessing the server Mostly interested in InnoDB performance The queries I am optimizing are mostly search queries (SELECT ... LIKE '%xy%') What I want to do is to create reliable testing environment for measuring the speed of a single query, free from dependencies on other variables. Till now I have been using SQL_NO_CACHE, but sometimes the results of such tests also show caching behaviour - taking much longer to execute on the first run and taking less time on subsequent runs. If someone can explain this behaviour in full detail I might stick to using SQL_NO_CACHE; I do believe that it might be due to file system cache and/or caching of indexes used to execute the query, as this post explains. It is not clear to me when Buffer Pool and Key Buffer get invalidated or how they might interfere with testing. So, short of restarting mysql server, how would you recommend to setup an environment that would be reliable in determining if one query performs better then the other?

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• What's wrong with this date behavior in C#?

  - by Jane McDowell

  If I output a formatted date as follows: DateTime.Parse("2010-06-02T15:26:37.789 +01:00").ToString("HH:mm:sszzz") I get the expected result: 15:26:37+01:00 However, if I parse the same date, convert to UTC and output with the same format as follows: DateTime.Parse("2010-06-02T15:26:37.789 +01:00").ToUniversalTime().ToString("HH:mm:sszzz") I get this: 14:26:37+01:00 Now those two dates, the local and UTC versions, should be exactly the same but the outputted text represents two different times. Why is this?

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• Login for webapp, needs to be available for support staff

  - by Christian W

  I know the title is a little off, but it's hard to explain the problem in a short sentence. I am the administrator of a legacy webapp that lets users create surveys and distribute them to a group of people. We have two kinds of "users". Authorized licenseholders which does all setup themselves. Clients who just want to have a survey run, but still need a user (because the webapp has "User" as the top entity in a surveyenvironment.) Sometimes users in #1 want us to do the setup for them (which we offer to do). This means that we have to login as them. This is also how we do support: we login as them and then follow them along, guiding them. Which brings me to my dilemma. Currently our security is below par. But this makes it simple for us to do support. We do want to increase our security, and one thing I have been considering is just doing the normal hashing to DB, however, we need to be able to login as a customer, and if they change their password without telling us, and the password is hashed in the db, we have no way of knowing it. So I was thinking of some kind of twoway encryption for the passwords. Either that or some kind of master password. Any suggestions? (The platform is classic ASP... I said it was legacy...)

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• Gracefully handling screen orientation change during activity start

  - by Steve H

  I'm trying to find a way to properly handle setting up an activity where its orientation is determined from data in the intent that launched it. This is for a game where the user can choose levels, some of which are int portrait orientation and some are landscape orientation. The problem I'm facing is that setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) doesn't take effect until the activity is fully loaded. This is a problem for me because I do some loading and image processing during startup, which I'd like to only have to do once. Currently, if the user chose a landscape level: the activity starts onCreate(), defaulting to portrait discovers from analysing its launching Intent that it should be in landscape orientation continues regardless all the way to onResume(), loading information and performing other setup tasks at this point setRequestedOrientation kicks in so the application runs through onPause() to onDestroy() it then again starts up from onCreate() and runs to onResume() repeating the setup from earlier Is there a way to avoid that and have it not perform the loading twice? For example, ideally, the activity would know before even onCreate was called whether it should be landscape or portrait depending on some property of the launching intent, but unless I've missed something that isn't possible. I've managed to hack together a way to avoid repeating the loading by checking a boolean before the time-consuming loading steps, but that doesn't seem like the right way of doing it. I imagine I could override onSaveInstanceState, but that would require a lot of additional coding. Is there a simple way to do this? Thanks!

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• Issues Deploying ROOT Context in Tomcat6

  - by Josh K

  I'm working on getting an application deployed to the ROOT ("/") context in my Tomcat 6 instance. Here's what has been done: Defined another virtual host (domain.com) Created the respective folder (/etc/tomcat6/Catalina/domain.com) Set it to auto deploy WAR's Set appBase to CATALINA_BASE/domainapps and created respective folder Copied manager.xml from localhost to domain.com. Now I'm trying to deploy into the ROOT context by uploading a ROOT.war to CATALINA_BASE/domainapps. This isn't working. I don't get any exceptions thrown, but the stock ROOT page ("It works !") stays up. I have successfully deployed it into another context (by uploading domainapp.war and viewing at /domainapp), but not ROOT. Re-reading the Virtual Host setup it makes reference to CATALINA_HOME and CATALINA_BASE. My CATALINA_HOME is at /usr/share/tomcat6/domainapp while CATALINA_BASE is /var/lib/tomcat6. Which should I be using for what? Currently haven't touched CATALINA_HOME but will try messing with a few things there. A better question might be what is the generally accepted flow taken to setup a new Tomcat instance and deploy an application to the root context.

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• Best way to test a Delphi application

  - by Osama ALASSIRY

  I have a Delphi application that has many dependencies, and it would be difficult to refactor it to use DUnit (it's huge), so I was thinking about using something like AutomatedQA's TestComplete to do the testing from the front-end UI. My main problem is that a bugfix or new feature sometimes breaks old code that was previously tested (manually), and used to work. I have setup the application to use command-line switches to open-up a specific form that could be tested, and I can create a set of values and clicks needed to be done. But I have a few questions before I do anything drastic... (and before purchasing anything) Is it worth it? Would this be a good way to test? The result of the test should in my database (Oracle), is there an easy way in testcomplete to check these values (multiple fields in multiple tables)? I would need to setup a test database to do all the automated testing, would there be an easy way to automate re-setting the test db? Other than drop user cascade, create user,..., impdp. Is there a way in testcomplete to specify command-line parameters for an exe? Does anybody have any similar experiences.

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• Does Zend framework has a fix version of file structure?

  - by Wing C. Chen

  As a newbie of Zend framework, I have a few version-dependent questions on the framework. Does Zend Framework has a fixed file structure (meaning a fixed form of file layout)? If so, does this file structure vary according to framework versions? If so, is there any reference to learn all the differences in file structure?

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• Can you suggest a component CMS that is compatible with IMB's DITA

  - by VitalityChernobyl

  I am looking for a Component CMS solution that is compatible with IBM's DITA in terms of preserving the document hierarchy/structure created in DITA (ditamaps). I am not necessarily looking for an open source solution. Other requirements would be: - file migration - XML support (ingestion, editing, export) - PDF support (publishing) - Workflow management - Localization support (managing versions across locales) - Output tagging

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• Unix and FreeBSD

  - by Alex Farber

  My final goal is to write the program which can run on the Unix OS. I know that there are many Unix versions, and don't know exactly for now which one I need to support. I cannot install any Unix OS right now. The only thing I can do is to use free OS which is close to Unix as much as possible. Is FreeBSD a good choice for this? I know that there is also OpenBSD, possibly something else.

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• jquery append choking on quotes in ei

  - by bert

  This jQuery statement works in recent versions of Firefox and Chrome but throws an error in IE 8. left_bar_string = "<tr><td><a href='#' onclick= "return newPopUpWindow('somelink','window', '1000','800','100','0','yes')">Directions</a></td></tr>"; $("#side_bar").append(left_bar_string); I think problem is with double quotes. Any comments/solutions?

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• Presenting an image cropping interface

  - by wkw

  I'm trying to engineer a UI for cropping images in iphone OS and suspect I'm going about things the hard way. My goal is pretty much what the Tapbots duo have done with Pastebot. In that app, they dim the source image but provide a movable and resizable cropping view and the image you're cropping is in a zoomable scrollview; when you resize or move the underlying image, the cropping view adjusts appropriately. I mocked up a composite image which will give a sense of the design I'm after, along with how I presently have my view hierarchy setup, viewable here The approach I've started with is the following: UIImageView with the image to crop is in a scrollview, a plain UIView with black fill and suitable transparency/alpha setting is added in front of the imageview. I then use a custom UIView which is a sibling to the scrollview at a higher level, which implements the drawRect: method and for the most part calls CGImageCreateWithImageInRect to get the portion of the image's bitmap that matches the position of the cropping view and draws that to the CGContext. in the viewcontroller I'm using the UIScrollViewDelegate methods to track scrolling and passing those changes to the custom cropping UIView so it stays in sync with the scroll contentOffset. That much is finally working. But trying to keep in sync as the scrollview zoomScale changes is when I figured I should ask for help. Looking for suggestions or guidance. My initial approach just seems like more work than is required. Could this be done with a masking layer in the ImageView? And if so, how would I setup the tracking for moving and resizing the cropping rect? My experience working with layers is non-nil, but very limited thus far.

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• ODBC and NLS_LANG

  - by Michael S.

  Let's say that I've created two different program executables, e.g. in C++. For some reason, the two programs internals representation of text are different from each other. Let's say the first program is using text representation A and the other text representation B. It could be a specific 8-bit ANSI codepage, Unicode/UTF-8 or Unicode/UTF-16 or whatever. Now each program want to communicate text (add/retrieve data) to/from the same database table on a (database) server. Each program communicates with the database through ODBC. So the programs do not know what database system they they are communicating with. In this specific case through the database is actually a Oracle RDMS database and the database server administrator has setup the database to use UTF-8. On the system on which the programs are running an appropriate ODBC driver is available, so that the programs can connect through ODBC. Each program will treat and convert from the ODBC data type SQL_C_CHAR to its internal text representation appropriately. I assume that the programs cannot do no other than to assume a specific encoding returned for SQL_C_CHAR text. If not the programs has to be told which encoding that is. For Oracle, I know that the NLS_LANG environment variable can be used on the client. I assume it affects the ODBC driver (related to SQL_C_CHAR) to convert from a specific encoding (as given by NLS_LANG) to the internal encoding of the database (in this example UTF-8) and vice-versa. If the machine running my programs are having a NLS_LANG this setting will affect the byte sequences returned for SQL_C_CHAR so my programs cannot suddenly assume a specific encoding for the text returned via SQL_C_CHAR. Is it possible to setup the ODBC connection (preferably programmatically at runtime), so that it takes care of text conversions appropriately for the two programs, i.e. from/to representation to/from UTF-8 and from/to representation B to/from UTF-8? Regards, /Michael PS. As the programs are connecting through ODBC I don't think it would be nice that they should now anything about NLS_LANG as this is a Orcacle specific environment variable.

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• Which new C#/VB features require .net Framework 4?

  - by Barry

  I remember reading in passing that some of the new language features in C# and VB that are available in VS2010 are backwards compatible with earlier versions of the framework, but that others are not. I'm pretty sure this was in reference to the new property syntax in VB. Which new features are language features vs which ones are framework specific?

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• iPhone video screen capture for the 3GS

  - by teabot

  With the advent of the iPhone 3GS' video capability - does anyone know if Apple bundled the ability to capture the device screen as a video? Note: I know this question has already been asked regarding previous handset versions but I am specifically asking about the 3GS where this functionality seems more plausible. Update: until I hear otherwise I am going to have to accept that this is not possible.

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• Compact Framework targeting

  - by En

  If a smart device project is set to target CF 2.0, Windows CE 5.0, should this same application run on Windows Mobile 6 with CF 3.5 installed? I was able to install it (the CF 2 app), but when running received an error stating that the assemblies could not be loaded and that CF might not be installed. This has led me to belive that smart device projects wil ONLY work on the framework they target, not any versions lower or greater. Any help would be greatly appreciated.

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• Can I use feature detection to know if css hover works for this client?

  - by user366061

  I've got a website that provides labels when the user hovers over an image. You can see the example at: http://www.185vfx.com/ For touchscreens, I'd like to have those hints on by default (since hover isn't usually available). I'd prefer not to browser-sniff and try to maintain that list as new devices/versions arrive. Any reliable way to detect if a browser can respond to hover or otherwise know about a touchscreen user via javascript or css?

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• RenderPartial missing from Html Helper in ASP.NET MVC 2

  - by Guy

  I've just converted an application from MVC 1 to MVC 2 using the VS2010 wizard. Not found is the Html.RenderPartial which I have sprinkled around a number of views. I am guessing that this is something that I've done wrong because I see no mention of this as a breaking change in the white papers and docs. Everything I'm using is RTM/RTW and no beta or RC versions.

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• Joomla poll not working with IE

  - by Fred

  On my joomla wensite the joomla poll extension (down,right) or any other joomla poll only works in Firefox,Safari and all the other browser but not in IE8 or lower versions. I need a poll on my site and 95% of my site visiters use IE8, its fustrating. How can i get any joomla poll to work in IE8 ? Its strange but IE8 displays the poll good,like Firefox, but you can't vote with it ? Is there anyone who can help ? Fred

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• Good FORTRAN books/tutorials for beginners?

  - by AndrejaKo

  This may be a duplicate of http://stackoverflow.com/questions/31672/learning-fortran-in-the-modern-era, but that thread went on discussing legacy code concerns. Anyway, few months ago in a bookstore sale I picked up book called FORTRAN 66 for PDP-11. I found it interesting and decided it would be nice to learn FORTRAN. So I'm looking for some modern books/tutorials dealing with new versions of FORTRAN.

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• Can Anyone point me to a Android Market catalog or application list.

  - by Doug

  I'm up and running in Eclipse, have worked through several tutorials and would like to start developing my first marketable app. Is there anyplace I can find a comprehensive list or catalog of what's available on the Android marketplace? I'd hate to waste a lot of development time building an app that has twelve free versions already available.

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