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• Easily switching ConnectionStrings on publish to Azure

  - by David Pfeffer

  I'm currently building an Azure Web Role. I am testing this project against a local database server on localhost. Then, when confident that the project is working, I publish it to Staging on Windows Azure. However, I also have to remember to change the connection string to point to the live SQL server on SQL Azure before deploying, and then change it back to localhost afterwards. Is there any nice way to automate this, or perhaps a different process to take to avoid the issue altogether? For example is there a way to have a configuration file for Azure that isn't updated with every deploy?

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• Batch update records in Grails

  - by UltraVi01

  I have to calculate a "total" for each user based on individual actions -- that is, a User hasMany Actions and each Action has a point. So I need to basically get a sum of all the points on all the actions. Actions are added and subtracted regularly. Since this can be a rather heavy operation, it's not feasible that I execute the "total" each time I need it. Therefore, I am thinking of running the operation once a day for each user and storing the total points on the User as an int. Because I have thousands of users, I am trying to figure out the best way to do this. Should I basically iterate through all the users and call User.save() each time, or is there some kind of batch update mechanism I can use in Grails / GORM?

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• Huge file in Clojure and Java heap space error

  - by trzewiczek

  I posted before on a huge XML file - it's a 287GB XML with Wikipedia dump I want ot put into CSV file (revisions authors and timestamps). I managed to do that till some point. Before I got the StackOverflow Error, but now after solving the first problem I get: java.lang.OutOfMemoryError: Java heap space error. My code (partly taken from Justin Kramer answer) looks like that: (defn process-pages [page] (let [title (article-title page) revisions (filter #(= :revision (:tag %)) (:content page))] (for [revision revisions] (let [user (revision-user revision) time (revision-timestamp revision)] (spit "files/data.csv" (str "\"" time "\";\"" user "\";\"" title "\"\n" ) :append true))))) (defn open-file [file-name] (let [rdr (BufferedReader. (FileReader. file-name))] (->> (:content (data.xml/parse rdr :coalescing false)) (filter #(= :page (:tag %))) (map process-pages)))) I don't show article-title, revision-user and revision-title functions, because they just simply take data from a specific place in the page or revision hash. Anyone could help me with this - I'm really new in Clojure and don't get the problem.

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• After adding a UILabel to my view, how do I delete it?

  - by Travis

  I have added a UILabel to my view programmatically like this: myLabel = [[UILabel alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 100.0f, 30.0f)]; myLabel.center = CGPointMake(160.0f, 120.0f); myLabel.backgroundColor = [UIColor clearColor]; myLabel.textColor = [UIColor whiteColor]; myLabel.font = [UIFont fontWithName:@"Helvetica" size: 18.0]; myLabel.textAlignment = UITextAlignmentCenter; myLabel.text = @"Hello"; [self.myView addSubview:myLabel]; To add a label to my view. What I can't seem to find out is once I'm done w/ the label (at a future point) how can I delete it from the view? [myLabel release] doesn't seem to work which I think makes sense because the view it's added to probably retained it's over reference. So what is the best practice?

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• Unreachable breakpoint at execut(able/ing) code

  - by shadeMe

  I've got two DLLs, one in written in native C++ and the other in C++/CLI. The former is injected into a process, and at a later point in time, loads the latter. While debugging, I noticed that the native DLL's breakpoints were functioning correctly while the other's weren't, even though its code was being executed. The breakpoints showed this message: This breakpoint will not be hit. No executable code associated with this line. Possible causes include: preprocessor directives or compiler/linker optimizations. The modules window tells me that the plugin's symbols are loaded. I'm running with its DEBUG build. Any ideas on why this is so and perhaps a fix ?

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• make desktop sms application using blackberry

  - by Amit Kumar Jha

  hey all, I have to make a SMS sending application in .NET, which uses the attached Blackberry handset(blackberry tour 9630 to be precise) to send SMS. I have never worked on smartphone application development, so want help in doing this. I searched SO for an answer and found one question, but its in java and i think that code would run on blackberry itself and not on desktop, correct me if i am wrong. So if someone could point me in the right direction I would be very grateful. Thanks in advance to all those who reply.

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• cocoa - IF failing for double?

  - by Mike

  I have a set of NSTimeIntervals like this: NSArray *mySet = [NSArray arrayWithObjects: [NSNumber numberWithDouble: time1], // [NSNumber numberWithDouble: time2], [NSNumber numberWithDouble: time3], nil]; // suppose that at this time // time1 = 0.00000 // time2 = 18.3200 // time3 = 21.6500 at some point in my code I want to test if currentTime is greater or equal to one of the times on the array, so I do // currentTime = 18.32 right now for (int i=0; i<[mySet count]; i++) { if (currentTime >= [[mySet objectAtIndex:i] doubleValue]) { NSLog(@"%d...", i); } } The output should be "1...2..." but the output is just "1..." when i = 1, it is comparing 18.32 to 18.32 and failing to recognize that the value is equal or greater than the other? WTF??? How can that be? thanks for any help.

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• WCF hosted in a Web application and compatibility mode

  - by DotnetDude

  I have a WCF service hosted in a web application (IIS). I need to expose 1 end point over wsHttp and the other over netTcp. I am on a IIS7 environment that makes it possible for me to host non HTTP based services. Anyways, when I browse the .svc file using a browser, I get the error: The service cannot be activated because it does not support ASP.NET compatibility. ASP.NET compatibility is enabled for this application By googling, I realized that WCF runs in two modes - Mixed and ASP.NET compatible. When I apply the attribute [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)] However, it appears that once I apply this attribute to the Service Contract implementation, I cannot use a non HTTP binding. How do I set it up so that: I can support non HTTP endpoints I can host the service on a Web app I don't create multiple services one with aspnet compatibility turned on and the other turned off

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• Dismissing pickers and keyboards invoked by a UIWebView

  - by Dev Kanchen

  I am implementing an in-app browser using UIWebView, that shows an 'action' button up-top that - when tapped - scales the UIWebView and allows the user to perform some other actions. If, however, at the point of tapping this 'action' button, the user were entering some text on the webview, or using a picker to select an option from a drop-down list, then the webview gets scaled without dismissing the keyboard/picker. Apart from being ugly, this also obscures my main view and controls. So is there a way to make a UIWebView dismiss all associated input controls, such as keyboards/pickers, when asked to? I tried using [myWebView resignFirstResponder] but that didn't work. Any ideas? Thanks.

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• .net c# text box date with mask - setup

  - by flavour404

  I have a c# .net project and want an input text box for a date value. I want it to display a default value of mm/dd/yyyy and then allow users to enter valid dates. I have tried using a masked text box but it doesn't like having the above format. If i try and use //__ looks naff and so does 00/00/0000 and of course if you put in '0' like 03/11/2009 you get 3/11/29 because the 0's are deleted as part of the mask - so what is the best way to set up an input box like this, effectively with a mask, only allowing numbers, and validation (though at this point I am not so worried about that). This seems so simple and isn't. Thanks, R.

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• Can MYSQL filter by date if date is stored as text? ex "02/10/1984"

  - by Roeland

  Hello! I am trying to modify an app for a client which has already a database of over 1000 items. The dates are stored as text in the database with the format "02/10/1984". The system allows you to add and remove fields to the catalog dynamically and it also allows the advanced search to have specific fields be allowed. The problem is that it wasn't designed with dates in mind, so when I set a field as a date, and try to search by a range the query is trying to do a AND (cfv0.value = 01/02/2004 AND cfv0.value <= 05/03/2008) . I can make it so the date range passed is a numeric time value. Is there a way that when sending the query, it takes the text fields (with the date) and converts it to numeric time value so at that point I am basically just comparing numbers which would work fine. I do not have the option to change all the current date to numeric value due to the way the dynamic fields are set up. Thanks guys!

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• Test if single linked list is circular by traversing it only once

  - by user1589754

  I am a fresher and I was asked this question in a recent interview I gave. The question was --- By traversing each element of linked list just once find if the single linked list is circular at any point. To this I answered that we will store reference of each node while traversing the list in another linked list and for every node in the list being tested we will find if the reference exists in the list I am storing the references. The interviewer said that he needs a more optimized way to solve this problem. Can anyone please tell me what would be a more optimized method to solve this problem.

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• v8 is too slow for my purpose

  - by Scott

  I'm working on a music visualization plugin for libvisual. It's an AVS clone -- AVS being from Winamp. Right now I have a superscope plugin. This element has 4 scripts, and "point" is run at every pixel. You can imagine that it has to be rather fast. The original libvisual avs clone had a JIT compiler that was really fast, but it had some bugs and wasn't fully implemented, so I decided to try v8. Well, v8 is too slow running the compiled script at every pixel. Is there any other script engine that would be pretty fast for this purpose?

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• UIVIewController wrong position before rotate

  - by zegnus

  I have the starter point of my application this window (white background): - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { mainScreen = [[MainScreenController alloc] initWithNibName:@"MainScreenController" bundle:[NSBundle mainBundle]]; // add it to the main window [window addSubview:[mainScreen view]]; // show view [window makeKeyAndVisible]; NSLog(@"started"); return YES; } And MainScreenController is an UIViewController with (blackBackground) created by the Interface Builder. The application executes perfectly but the first time, the black view is moved up like the height of the status iphone pannel (leaving white rectangle at the bottom). If I rotate the iPhone twice, the view is perfectly positioned in the right place, filling all the screen with the black background. Any idea? Thanks!

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• Find workspace location using ANT

  - by ThunderChunky_SF

  I'm working on a build script in the Flash Builder version of Eclipse. This build script needs to import launch configuration .launch files into the user's workspace. However there doesn't seem to be an available ANT var for determining the workspace location. While stepping through the available vars with intellisense I noticed that ${osgi.instance.area} does point to my current workspace but when I tried to echo it back in a running ant script it just spat out "${osgi.instance.area}" and not the path. Any help would be greatly appreciated. Thank you!!!

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• iPhone application lifecycle

  - by iter

  InterfaceBuilder generates this method for me in fooAppDelegate.m: - (void)applicationDidFinishLaunching:(UIApplication *)application { // Override point for customization after app launch [window addSubview:[navigationController view]]; [window makeKeyAndVisible]; } IB also puts UIWindow *window; in fooAppDelegate.h and @synthesize window; in fooAppDelegate.m, and correspondingly for navigationController. IB generates code to release window and navigationController in dealloc. I cannot see any code that allocates and initializes the window and the navigationController. I wonder where that happens. Ari.

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• AppDomain.UnhandeledException event not fired

  - by Yaakov Davis

  In a WPF application, the app simply crashes, without the above event being fired. (I'm also registered to DispatcherUnhandeledException, which doesn't fire as well.) I conclude that it doesn't fire since the handler is defined to place a log entry. When looking at the log, there's no corresponding entry. It happens in a production environment; I'm unable to point at a particular scenario. I've read few descriptions on scenarios where this might happen, but I still don't have a clear grasp on this. Can anyone share his experience / knowledge on this? How can I find the root of the crash and solve it? Many thanks.

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• How do I consume a COM+ local server from C#?

  - by Mystere Man

  I have a web application from a company that has gone out of business. We're looking to extend the web app a bit with some asp.net functionality. The web app was written as an ISAPI application in Delphi, and uses COM+ to talk to the SQL Server and handles things like session management and authentication. So, in order to get the current user and other details, I have to use the undocument COM+ components. I was able to dig out the type library and auto generated IDL, but at this point i'm lost in creating a .NET proxy class for this. Is there a way to autogenerate the .net COM+ proxy either from the .dll itself (extracting the typelib info) or from the IDL? Note: These seem to be simple COM style objects hosted in COM+ servers, no subscriptions or transaction monitoring..

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• Raudus vs ExtPascal

  - by user193655

  Delphi developers has several tools (several alternatives to ASP.NET) for building web applications. While No.1 framework is Intraweb, there is a lot of interest around ExtJS, that has 2 incarnations: 1) the opensource ExtPascal 2) the closedsource Raudus Now the products are different, Raudus never supports the latest ExtJS version (while ExtPascal does because as far as I read it "almost automatically updates itself to the latest ExJS version"), Raudus "seems" much RAD (much similar to Intraweb from the RAD point of view). Anyway why chose one or the other? Why Raudus since it is free cannot become Open Source?

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• Geolocation Null in lat and long

  - by user1706989

  I have had issue today in one application where Geolocation is not working. Even on this page http://slaveryfootprint.org/survey/#where_do_you_live . When you enter a location , its showing null lattiude and longitude. Even though it search for autolocation, it can point the right location. and it happened all if a sudden today which was working fine since yestrday night and when I see in console it is returning null lat and long and null for city and I did not change the code at all. Did google map api changed something. or do I need to update jquery? http://maps.google.com/maps/api/js?v=3.4&sensor=false

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• R: Creating Custom Shapes with ggplot

  - by Brandon Bertelsen

  Full Disclosure: This was also posted to the ggplot2 mailing list. (I'll update if I receive a response) I'm a bit lost on this one, I've tried messing around with geom_polygon but successive attempts seem worse than the previous. The image that I'm trying to recreate is this, the colours are unimportant, but the positions are: In addition to creating this, I also need to be able to label each element with text. At this point, I'm not expecting a solution (although that would be ideal) but pointers or similar examples would be immensely helpful. One option that I played with was hacking scale_shape and using 1,1 as coords. But was stuck with being able to add labels. The reason I'm doing this with ggplot, is because I'm generating scorecards on a company by company basis. This is only one plot in a 4 x 10 grid of other plots (using pushViewport) Note: The top tier of the pyramid could also be a rectangle of similar size.

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• Setup program needs framework 4.0 - But it's already installed

  - by Willem

  Hi all, I created a service which I now want to install to test. When running the setup program it prompts me to download and install .net fw 4.0, but I already have it installed. I did try to just install the file that I get pointed to (4.0 cliet), but not only does it still not work, it causes vs2010 to throw an unknown error and can't open. I've now uninstalled everything and started afresh with VS2010, framework 4.0 and win 7 but it still prompts me to install fw 4.0 when I try to run the setup. Can anyone please point me in the right direction? Thanx in advance Willem

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• Nested WPF DataGrids

  - by jvberg

  I have a DataGrid (from the toolkit) and I want to nest another DataGrid in the DataGrid.RowDetailsTemplate. The trick is I want to bring back the data from one table in the main grid and then based on row selection go and get additonal detail from a different table and show it in the DataGrid in the detail template. This is easy enough to do in 2 seperate DataGrids but I am having trouble getting it to work with the nested version. Is this even possible? If so, could someone point me in the right direction. I should note I am using LinqToSql clases to populate the data. Thanks for your consideration. -Joel

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• How to "defragment" MongoDB index effectively in production?

  - by dfrankow

  I've been looking at MongoDB. Feels good. I added some indexes to a collection, uploaded a bunch of data, then removed all the data, and I noticed the indexes did not change size, similar to the behavior reported here. If I call db.repairDatabase() the indexes are then squashed to near-zero. Similarly if I don't remove all the data, but call repairDatabase(), the indexes are squashed somewhat (perhaps because unused extends are truncated?). I am getting index size from "totalIndexSize" of db.collection.stats(). However, that takes a long time (I've read it could be hours on a large database). It's unclear to me how available the database is for reads or writes while it is running. I am guessing not so available. Since I want to run as few instances of mongod as possible, I want to understand more about how indexes are managed after deletes. Can anyone point me to anything or give any advice?

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• Magento Installation stuck at configuration

  - by itsandy

  Hi Everyone, I am not sure what is going wrong when I am trying to install magento to my local ubuntu machine. I did all the steps mentionsed in the magento wiki. Everything goes well until I reach the point where I am here which is the magento config page. When I try and continue after entering the necessary details like host, database name and user name and submit it comes back to the same page. I checked for everything like db in my phomyadmin panel and it still gets stuck there. What is the possible reason for that. Thanks

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