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• iOS app won't compile on device but works fine in simulator

  - by Jhorra

  I'm assuming this has something to do with linking, but I've removed RestKit and re-added it. I made sure all my connections and linking was in place. If I set XCode to use the simulator it runs fine, but as soon as I set it to run on any device it won't even build. The only other thing of note is this didn't start happening till I upgraded to XCode 4.5. Below are the errors it gives me ld: warning: ignoring file /Users/luke/Library/Developer/Xcode/DerivedData/ehrx-btsujlxuhtytahfaikwjeqfjybtt/Build/Products/Debug-iphoneos/libRestKit.a, file was built for archive which is not the architecture being linked (armv7s): /Users/luke/Library/Developer/Xcode/DerivedData/ehrx-btsujlxuhtytahfaikwjeqfjybtt/Build/Products/Debug-iphoneos/libRestKit.a Undefined symbols for architecture armv7s: "_OBJC_CLASS_$_RKClient", referenced from: objc-class-ref in ehrxAppDelegate.o objc-class-ref in ehrxLoginView.o objc-class-ref in ehrxInboxView.o objc-class-ref in ehrxCMView.o objc-class-ref in ehrxEncounterDemoView.o objc-class-ref in ehrxEncounterDiagListView.o objc-class-ref in ehrxEncounterChargeView.o ... ld: symbol(s) not found for architecture armv7s clang: error: linker command failed with exit code 1 (use -v to see invocation)

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• Web App fails when moved to production environment. Which server permissions do I need?

  - by Ashley Ward

  I have developed a small web app. This app allows users to upload images. It also produces text files with the names of those images (the names are stored and retrieved to/from an MySQL Database.) I have developed this app using MAMP. To create the uploaded image files I use the PHP function imagejpeg('my/path/name.jpg') and to delete the files I use the PHP function unlink('folder1/folder2/name.jpg') to write to the text document I am using the function fopen('folder1/folder2/name.txt', 'w') all three of these functions produce errors related to permissions - now the site has been moved to a live hosting environment. Why is this? and what permissions do I need to set the folder's folder1 and folder2 to? I know that permission 777 is generally bad because it opens up your server to the public. However what I have found is that the functions fail to work unless I use 777 on the folders. Can anyone shed any light on my dilemma?

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• Why is 'heroku create' doing nothing?

  - by vlasits

  I opened a heroku account. I followed the instructions on http://docs.heroku.com/quickstart. I have a working rails app which I have deployed successfully elsewhere. I have a github account that works. I have a local git repository for my rails app. I installed the heroku gem. It shows up in my gem list. I typed 'heroku create' at the command prompt... My command console showed that it was thinking about it, but did nothing. No errors. No action. Possible related facts: I am using a Windows 7 machine. I have also failed miserably at deploying with capistrano with a similar--issue command, get no response--pattern.

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• How do you make an in-place construction of a struct casted to array compile in Visual C++ 2008?

  - by Irwin1138

  I'm working with quite a big codebase which compiles fine in linux but vc++ 2008 spits errors. The problem code goes like this: Declaration: typedef float vec_t; typedef vec_t vec2_t[2]; The codebase is littered with in-place construction like this one: (vec2_t){0, divs} Or more complex: (vec2_t){ 1/(float)Vid_GetScreenW(), 1/(float)Vid_GetScreenH()} As far as I know, this code constructs a struct, then converts it to an array and passes the address to the function. I personally never used in-place construction like this so I have no clue how to make this one work. I don't maintain the linux build, only the windows one. And I can't get it to compile. Is there some switch, some macro to make vc++ compile it? Maybe there is a similar nifty way to construct those arrays and pass them to the functions in-place that compiles just fine in vc++?

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• What are your Common Magento Configuration Mistakes?

  - by Alan Storm

  If there's something that everybody hates about Magento it's endlessly configuring your modules before being able to write some code. I'm trying to collect a list of common Magento configuration errors for a future project that's I'm close to launching. I'm looking for specific examples of things like using the wrong naming convention on classnames, forgetting the <class /> wrapper when setting up grouped class names. Little things like that that drive you batty for hours until you realize your error. The more details the better!

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• SOCKET chat C# with private messaging

  - by Sergei

  I want to create SOCKET chat(server + clients) with private messaging. When client write smth to stream, he should notify server that it is private message for user X, how can i do this? Actually i can do smth like this: string command = "PRIV|" + txtMessage.Text; swSender.WriteLine(command); but i think it isn't good, for example if user wants send message like our "PRIV|" flag it will be errors public class TestChat { private StreamWriter swSender; private IPAddress ipAddr; private void InitializeandSend() { //ip from text box ipAddr = IPAddress.Parse(txtIp.Text); // Start a new TCP connections to the chat server tcpServer = new TcpClient(); tcpServer.Connect(ipAddr, 1986); //... //sending message from text box swSender.WriteLine(txtMessage.Text); swSender.Flush(); } }

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• atlbase.h not found when using Visual C++ Express 2010

  - by hcwang

  So I tried moving my project to Visual C++ Express 2010 on Windows 7 from a previous version on Windows XP. I got all sorts of errors where atlbase.h was not found. This isn't so much a question but I wanted to document what my resolution was for others. Copied the following PlatformSDK files from my previous install and put them on my Windows 7 machine. PlatformSDK/include/atl PlatformSDK/include/mfc PlatformSDK/lib PlatformSDK/src/atl I then change the VC++ Directories in the project Properties to point to those directories. Include Directories- *include/atl *include/mfc Library Directories- *lib Source Directories- *src/atl Make a change to stdafx.h right after this line: #include "atlbase.h" add this line: extern CComModule _Module; Hopefully you're ready to go now! Probably not but perhaps you are well on your way.

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• Running Endpoint locally could not provide access to API explorer when HTTP proxy is enabled

  - by harik

  I'm using Android Studio(0.5.8) on Window7 x64 for developing my Android App with Google AppEngine backend. If my machine is having direct internet access and I launch backend locally (as DevApp Server) and access my API Endpoints through webbrowser (chrome) it is all working as expected. Accessing api explorer is also working fine from webbrowser. http://localhost:8080/_ah/api/explorer But if I have configured internet through http proxy (in Android Studio and also in webbrowser) then webbrowser displays initial page of backend but can't access endpoint api explorer. And deploying appbackend in Google AppEngine also fails with errors. gradlew backend:appengineUpdate Same is working fine if direct internet access is available (not via http proxy). How can we make it work with http proxy also? Any help is appreciated, Thanks.

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• Usage of closures with multiple arguments in swift

  - by Nilzone-

  This question is largely based on this one: Link The main difference being that I want to pass in arguments to the closure as well. Say I have something like this: func someFunctionThatTakesAClosure(completionClosure: (venues: Dictionary<String, AnyObject>, error: NSError) -> ()) { // function body goes here var error: NSError? let responseDictionary: Dictionary<String, AnyObject> = ["test" : "test2"] completionClosure(venues: responseDictionary, error: error!) } No error here. But when I call this function in my main view controller I have tried several ways but all of the result in different errors: venueService.someFunctionThatTakesAClosure(completionClosure(venues: Dictionary<String, AnyObject>, error: NSError){ }) or like this: venueService.someFunctionThatTakesAClosure((venues: Dictionary<String, AnyObject>, error: NSError){ }) or even like this: venueService.someFunctionThatTakesAClosure(completionClosure: (venues: Dictionary<String, AnyObject>, error: NSError) -> (){ }); I'm probably just way tired, but any help would be greatly appreciated!

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• IIS 6 session timing out a lot quicker than expected

  - by Echiban

  I am working with an web application that has its sessions timing out a lot quicker than expected. We expected a timeout of 15 minutes but it's timing out at 3-4 minutes. Info about environment: IIS6 classic ASP / COM+ app timeout OK on current PROD, much quicker in dev / QA environments We already disabled app pool recycling, and even put IIS in isolation mode - no effect HTTP err log doesn't display any lines when session times out We've done a close comparison of PROD and DEV / QA environments, and given we use virtual machines on all of them, settings should be preserved. I tried to find IIS blog notes from David Wang but many of them now have HTTP 404 errors, and I don't know what else to do. Please help! At the very least, is there a way to get IIS to log every time a session expires? At the very least some means of logging / debugging IIS would be useful. Thanks in advance.

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• possible to recreate xml out of ActionScript?

  - by Andy

  Hi, I got stuck with an SWF which has ActionScript in it and should use some xml. The problem is, I cannot edit the SWF by decompiling it and compile it again, it simply doesn't work... Adobe Flash CS4 rebuilds the thing, but after I press CTRL+ENTER I get a lot of runtime errors (probably something to do with AS <- AS2 <- AS3 and don't know how to fix that). So the question is: can I reconstruct how the xml should look like? I am able to view all the actionscript code with Flash Decompiler Gold and ain't gettin much smarter. Maybe I could post the code if someone desire it. thanks

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• aspnet_regsql not working at all

  - by user252160

  I would like to create the ASP.NET User database template on a database of my own, because I'd like to fully untegrate the user system with the rest of my DB. As I've read, i needed to use the aspnet_regsql tool. I put all the options (because my database is running on SQLEXPRESS and is in an mdf file in my project's folder). the program starts and seemingly runs without any errors, however, when I open the database after that, not tables or stored procedures have been added. One more thing: I did one more test. I intentionally gave the -d option a wrong mdf file address, and surprisingly, the program "finished" correctly, yet no file was crated or modified whatsoever.

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• Copying a java text file into a String.

  - by Deepak Konidena

  Hi, I run into the following errors when i try to store a large file into a string. Exception in thread "main" java.lang.OutOfMemoryError: Java heap space at java.util.Arrays.copyOf(Arrays.java:2882) at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:100) at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:515) at java.lang.StringBuffer.append(StringBuffer.java:306) at rdr2str.ReaderToString.main(ReaderToString.java:52) As is evident, i am running out of heap space. Basically my pgm looks like something like this. FileReader fr = new FileReader(<filepath>); sb = new StringBuffer(); char[] b = new char[BLKSIZ]; while ((n = fr.read(b)) > 0) sb.append(b, 0, n); fileString = sb.toString(); Can someone suggest me why i am running into heap space error? Thanks.

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• How to compile these 2 java files correctly?

  - by user198729

  I'm following the steps here, it's basically : Compile the DataSource and LiveStream classes: javac -d . DataSource.java LiveStream.java Run using JMStudio: java JMStudio screen://0,0,160,120/10 But when I compile them, got lots of errors like javax.media doesn't exist and so on. Here's the directory structure: D:\>dir 2010-06-11 22:25 <DIR> . 2010-06-11 22:25 <DIR> .. 2010-06-11 22:25 3,730 DataSource.java 2010-06-11 22:25 6,860 LiveStream.java Can someone give more detailed steps how to set up the environment correctly to compile correctly?

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• Unable to create unmanaged object using new keyword in managed C++

  - by chair79

  Hi all, I've created a class with a boost::unordered_map as a member, Linkage.h #ifndef LINKAGE_H #define LINKAGE_H #include <boost/unordered_map.hpp> class Linkage { private: boost::unordered_map<int, int> m_IOMap; public: .... }; Linkage.cpp #include "stdafx.h" ... // methods and in the managed side of C++, I try to create the pointer of the obj: private: System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e) { Linkage* m_pLink = new Linkage(); ..... } However this produces errors: Error 4 error LNK2005: "private: static unsigned int const boost::detail::type_with_alignment_imp<4>::found" (?found@?$type_with_alignment_imp@$03@detail@boost@@$$Q0IB) already defined in Proj_Test.obj Linkage.obj ..... Error 7 fatal error LNK1169: one or more multiply defined symbols found Could anyone explain to me pls? Thanks.

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• C# method contents regex validation

  - by user258651

  I need to validate the contents of a C# method. I do not care about syntax errors. I do care about characters that will invalidate parsing of the rest of the code. For example: method() { /* valid comment */ /* <-- bad for (i..) { } for (i..) { <-- bad } I need to validate/fix any non-paired characters. This includeds /* */, { }, and maybe others. How should I go about this?

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• How do I add Polylines in gmaps4rails v2

  - by LaraF

  I upgraded to the latest version of gmaps4rails (v2) and am having some issues getting polylines drawing. I can get markers working with the sample code on the wiki, but if I change the addMarkers to addPolylines, nothing renders in the map. Here's the handler code: handler = Gmaps.build('Google'); handler.buildMap({ provider: {}, internal: {id: 'map'}}, function(){ polylines = handler.addPolylines([{"lat":45.678295,"lng":-121.603813,"ele":438.626221,"time":1381851321},{"lat":45.678196,"lng":-121.603607,"ele":423.202148,"time":1381851363},{"lat":45.678181,"lng":-121.603607,"ele":421.108398,"time":1381851373},{"lat":45.678162,"lng":-121.603584,"ele":420.153442,"time":1381851383},{"lat":45.678123,"lng":-121.603569,"ele":422.561096,"time":1381851393},{"lat":45.678165,"lng":-121.6036,"ele":425.191284,"time":1381851403},{"lat":45.678169,"lng":-121.603607,"ele":425.262329,"time":1381851413}]); handler.bounds.extendWith(polylines); handler.fitMapToBounds(); }); No errors in the javascript console, just no map rendering. Any thoughts?

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• Android insert into sqlite database

  - by Josh

  I know there is probably a simple thing I'm missing, but I've been beating my head against the wall for the past hour or two. I have a database for the Android application I'm currently working on (Android v1.6) and I just want to insert a single record into a database table. My code looks like the following: //Save information to my table sql = "INSERT INTO table1 (field1, field2, field3) " + "VALUES (" + field_one + ", " + field_two + ")"; Log.v("Test Saving", sql); myDataBase.rawQuery(sql, null); the myDataBase variable is a SQLiteDatabase object that can select data fine from another table in the schema. The saving appears to work fine (no errors in LogCat) but when I copy the database from the device and open it in sqlite browser the new record isn't there. I also tried manually running the query in sqlite browser and that works fine. The table schema for table1 is _id, field1, field2, field3. Any help would be greatly appreciated. Thanks!

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• Is there a way to add an elmah rss feed to google reader?

  - by Jason Irwin

  Elmah has an rss feed and rss digest feature. My feeds are working just fine from within my brwoser. However I would like to add them to google reader as this is my feed reader of choice. The problem is that Elmah uses an AXD handler to server its information - therefore the path to the RSS feed is not a physical one. For example the RSS feed for my site is located at: http://www.mysite.com/errors/elmah.axd/rss This is not a file nor does the folder structure exist - it is all part of the beauty of Elmah. When I attempt to add this virtual path as a feed in google reader i get: Your search did not match any feeds Any help would be greatly appreciated, Thanks Jason

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• What to monitor on MSSQL Server

  - by user361434

  Hi all I have been asked to monitor MSSQL Server (2005 & 2008) and am wondering what are good metrics to look at? I can access WMI counters but am slightly lost as to how much depth is going to be useful. Currently I have on my list: user connections logins per second latch waits per second total latch wait time dead locks per second errors per second Log and data file sizes I am looking to be able to monitor values that will indicate a degradation of performance on the machine or a potential serious issue. To this end I am also wondering at what values some of these things would be considered normal vs problematic? As I reckon it would probably be a really good question to have answered for the general community I thought i'd court some of you DBA experts out there (I am certainly not one of them!) Apologies if a rather open ended question. Ry

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• Query to return internal details about stored function in MS-SQL database

  - by Anthony

  I have been given access to a ms-sql database that is currently used by 3rd party app. As such, I don't have any documentation on how that application stores the data or how it retrieves it. I can figure a few things out based on the names of various tables and the parameters that the user-defined functions takes and returns, but I'm still getting errors at every other turn. I was thinking that it would be really helpful if I could see what the stored functions were doing with the parameters given to return the output. Right now all I've been able to figure out is how to query for the input parameters and the output columns. Is there any built-in information_schema table that will expose what the function is doing between input and output?

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• Why does the VBA Editor open on its own sometimes?

  - by Kevin Finn

  I've created a small script in Outlook 2003 VBA that watches for new appointments, and sets them to tentative and no reminder as I create them. However, I now find that seemingly at random, the VBA editor will open itself. It doesn't happen when I actually use the new script, but it did happen this morning when I un-hibernated my laptop, for example. The editor doesn't pop up any runtime errors or highlight any lines in the script, it's just there as if I had pressed Alt-F11 to launch it. Sometimes I close other apps and see that it's been sitting back there for a while. This behavior has only been occurring since I created this new script. Any ideas why this would occur? Thanks!

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• multidimensional vector rotation and angle computation -- how?

  - by macias

  Input: two multidimensional (for example dim=8) vectors a and b. I need to find out the "directed" angle (0-2*Pi, not 0-Pi) between those vectors a and b. And if they are not parallel I need to rotate vector b in plane a,b by "directed" angle L. If they are parallel, plane does not matter, but angle of rotation is still the same L. For 2d and 3d this is quite easy, but for more dimensions I am lost, I didn't find anything on google, and I prefer using some already proved&tested equations (avoiding errors introduced by my calculations :-D). Thank you in advance for tips, links, etc. Edit: dimension of the space is the same as dimension of the vectors.

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• Do all header("Location: member.php?id=$username") have to be the first thing in a script? (PHP)

  - by ggfan

  I know in the Manuel it says that the header has to be the first thing in a script, but how come I see some codes where header("Location: member.php?id=$username") is in a if-statement? Ex: //a bunch of codes above if($result!="0"){ // authenication correct lets login $_SESSION["password"] = $password;; $_SESSION["username"] = $username; header("Location: member.php?id=$username"); } else { echo "Wrong username or password. Please try again!"; } But when I do this, it sometimes would/won't throw an error. How do I allow the header (); to be used in a script without any errors? I want to redirect the user back to the login if they click "no" and to the homepage if they click "yes".

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• Overriding PEAR error handler

  - by Rolf

  Hi everyone, I'm currently working on an application that requires lots of external libraries. My job right now is set a unique error handler that will manage every error. So far, I found 7 different types of PEAR errors: PEAR_ERROR_RETURN: PEAR_ERROR_EXCEPTION: PEAR_ERROR_CALLBACK: PEAR_ERROR_EXCEPTION: PEAR_ERROR_PRINT: PEAR_ERROR_TRIGGER: PEAR_ERROR_DIE: I want to handle only the serious error (like the native E*_ERROR). The only problem is I have absolutely no idea about PEAR error criticity ! Those names are more related to the way of handling them than to their seriousness... Is there a real documentation about it ? I guess a better solution would consist in using their pushErrorHandling, but I just don't understand how to use it... If someone here knows, I'd be grateful... Thanks in advance !

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