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  • Problem with array of elements of a structure type

    - by kobac
    I'm writing an app in Visual Studio C++ and I have problem with assigning values to the elements of the array, which is array of elements of structure type. Compiler is reporting syntax error for the assigning part of the code. Is it possible in anyway to assign elements of array which are of structure type? typedef struct { CString x; double y; } Point; Point p[3]; p[0] = {"first", 10.0}; p[1] = {"second", 20.0}; p[2] = {"third", 30.0};

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  • What is the best approach to write test cases using sentestinkit in iPhone / iPad ?

    - by Madhup
    I am developing an application for iPad application. I need to perform unit testing in the application, but I am not sure why I should do unit testing in this application. Edit: And since the iPhone SenTestingKit is not well documented, the implementation and writing test cases is so time consuming. So why should we waste time with this? Also if we have to what would be the best approach to write the test cases? My focus is on the second question. So please answer more for the second part, I would be very pleased.

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  • Visual Studio 2008 profiler analysis - missing time

    - by Scott Vercuski
    I ran the Visual Studio 2008 profiler against my ASP.NET application and came up with the following result set. CURRENT FUNCTION TIME (msec) ---------------------------------------------------|-------------- Data.GetItem(params) | 10,158.12 ---------------------------------------------------|-------------- Functions that were called by Data.GetItem(params) TIME (msec) ---------------------------------------------------|-------------- Model.GetSubItem(params) | 0.83 Model.GetSubItem2(params) | 0.77 Model.GetSubItem3(params) | 0.76 etc. The issue I'm facing is that the sum of the Functions called by Data.GetItem(params) do not sum up to the 10,158.12 msec total. This would lead me to believe that the bulk of the time is actually spent executing the code within that method. My question is ... does Visual Studio provide a way to analyze the method itself so I can see which sections of code are taking the longest? if it does not are there any recommended tools to do this? or should I start writing my own timing scripts? Thank you

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  • Unable to execute an oracle update statement within perl

    - by Gunnlaugur
    I have a problem in a perl script that I'm writing. When I run the script it hangs after prepare(). I've tried to run the update statement from SQL Developer and it works fine. I've also tried to print out all parameters and they are correct. What am I missing here? my $upd = 'update ngs.pp_subscr_data set address=?, city=?, postalcode=?, kennitala=?, email=?, firstname=?, lastname=?, last_upd=systimestamp where snb=?'; my $s = $dbh->prepare ($upd) || exitError(-9802, 'Couldn\'t prepare update statement.'); $s->execute($addr, $city, $pcode, $ktala, $email, $fname, $lname, $snb) Thanks.

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  • advantages of Zend_Db_Table vs raw (My)SQL?

    - by sunwukung
    Currently working on a new Zend application and developing the Model. Having worked with Zend_Db_Table before, I opted to replace references in the Model to the Table API with a custom SQL script to take care of data access duties. Now I'm looking at developing a new application/domain model, and I wanted to get some feedback from people re: their experiences with Zend_Db API vs raw SQL, and use cases where it would be preferable to use the API. From a project perspective, the DB platform is unlikely to change from MySQL - so it doesn't need to be particularly abstract - and I assume writing a custom SQL API will be more performant than the assorted classes the Zend DB API requires.

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  • Whats the minimum iOS version which supports OpenGL ES2.0 ?

    - by Shireesh Agrawal
    Hi, I am not sure if the question even makes sense. I am writing an iPhone game which uses Opengl ES 2.0. I know that OpenGL ES 2.0 is supported on 3gs and higher. Is there a minimum requirement for iOS version too, like the device needs to have iOS 3.1.3 or higher? Or does it solely depend on the hardware? Thanks! -shireesh p.s. I tried to search on the net but havent found much, perhaps I am not using the right keywords

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  • Clojure closures and GC

    - by Ralph
    It is my understanding that the default ClassLoader used in Java (and thus, Clojure) holds on to pointers to any anonymous classes created, and thus, onto lambdas and closures. These are never garbage collected, and so represent a "memory leak". There is some investigation going on for Java 7 or 8 to adding an anonymous ClassLoader that will not retain references to these functions. In the mean time how are people dealing with writing long-running applications in languages like Clojure and Scala, that encourage the use of these constructs? Is there any possibility that Clojure could provide its own anonymous ClassLoader, extending the system one, but not holding onto created classes?

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  • Make XStream ignore one specific private variable

    - by Tigraine
    Hi guys, I have a little problem with a class I am currently writing a save function for. I'm using XStream (com.thoughtworks.xstream) to serialize a class to XML using the DOMDriver. The class looks like this: public class World { private Configuration config; public World(Configuration config) { this.config = config; } } So, the issue here is that I do not want to serialize Configuration when serializing world, rather I'd like to give XStream a preconstructed Configuration instance when calling fromXml(). Problem here is mainly class design, Configuration holds a private reference to the GUI classes and therefore serializing Configuration means serializing the whole application completely with GUI etc.. And that's kind of bad. Is there a way to instruct XStream to not serialize the private field config, and upon load supply XStream with a configuration instance to use? greetings Daniel

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  • Problem with ranking of search results in SharePoint 2007 if using the CONTAINS predicate

    - by mythicdawn
    While writing a front-end for the SharePoint Search web service for work, I did some quick testing with the MOSS Search Tool to make sure things were working right under the hood. What I found was that queries composed only of CONTAINS predicates (FREETEXT ones were fine) would have a rank of 1000 for any results that were returned. According to the documentation (http://msdn.microsoft.com/en-us/library/ms544086.aspx): "If the query returns a document because a non–full-text predicate evaluates to TRUE for that document, the rank value is calculated as 1000." Given that the behaviour I am seeing seems to contradict the documentation, is it the case that all queries that use only the CONTAINS predicate will produce ranking like this?

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  • Using new Image().src for click tracking

    - by razass
    I am attempting to figure out why this click tracker isn't working. The code was written by another developer so I am not entirely sure if this ever did work. function trackSponsor(o, p) { (new Image()).src = PATH_BASE + 'click/' + p + '/' + o + "?_cache=" + (+(new Date())); return false; } From what I can gather is that when this function is called it 'creates a new image' to fire a php script asynchronously. According to Firebug, the request is made however it is 'aborted' ~30ms in. The odd thing is that it will 'sometimes' work as in 1 in every 10+ regardless of the browser. I would much rather fix this so that it works instead of re-writing it as an ajax request. Any help is appreciated. Thanks in advance.

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  • Python fCGI + sqlAlchemy = malformed header from script. Bad header=FROM tags : index.py

    - by crgwbr
    I'm writing an Fast-CGI application that makes use of sqlAlchemy & MySQL for persistent data storage. I have no problem connecting to the DB and setting up ORM (so that tables get mapped to classes); I can even add data to tables (in memory). But, as soon as I query the DB (and push any changes from memory to storage) I get a 500 Internal Server Error and my error.log records malformed header from script. Bad header=FROM tags : index.py, when tags is the table name. Any idea what could be causing this? Also, I don't think it matters, but its a Linux development server talking to an off-site (across the country) MySQL server.

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  • Using IPrinciple.Identity.Name as a key in a dataBase to identify user's rows.

    - by bplus
    I'm writing a small intranet app that uses Windows Authentication and Asp.Net MVC. I need to store various bits of data in a db against each user. As far as I can tell the IPrinciple object does not seem to have something like a unique id. So I was thinking I could just use User.Identity.Name as a unique value to identify rows in my db. Is this a bad idea? Is there an alternative to this approach? Thanks for any help.

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  • Storing users in a database

    - by EMcKenna
    Im wondering whats the best way of storing different types of users in my database. I am writing an application that has 4 main user types (admin, school, teacher, student). At the moment I have a table for each of these but i'm not sure thats the best way of storing user information. For instance... Allowing students to PM other student is simple (store sender and receiver student_id) but enabling teachers to PM students requires another table (sender teacher_id, sender student_id). Should all users be stored in one users table with a user_type field? If so, the teacher / student specific information will still have to be stored in another table. users user_id, password_hash, user_type students user_id, student_specific_stuff... teachers user_id, teacher_specific_stuff... How do I stop a user who has a user_type = student from being accidentally being entered into the teachers table (as both have a user_id) Just want to make sure I get the database correct before i go any further. Thanks...

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  • Avoiding duplication in JavaDoc comments

    - by TERACytE
    I am writing a class where the same xml is used between some methods. e.g. /** * Sample Response: * <xmp> * <myXML> * <stuff> data </stuff> * </myXML> * </xmp> */ CommonXML Method1(); /** * Sample Submission: * <xmp> * <myXML> * <stuff> data </stuff> * </myXML> * </xmp> */ void Method2(CommonXML xml); I would like to write my documentation so that if the xml changes I have one resource to modify, rather than updating all of the JavaDoc for the affected methods. Does anyone know how to accomplish this?

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  • Error in Decompression?

    - by user595606
    I am writing a crawler for a website. Its response is gzip encoded. I am not able to parse correctly a particular field, though the decompression is successful. I am also using htmlagilitypack to parse it, the parsed value of the field is only a part of the original value as an example : I am getting only /wEWAwKc04vTCQKb86mzBwKln/PuCg== whereas the firebug shows the actual value as much longer: /wEWBgKj7IuJCgKb86mzBwKln/PuCgLT250qAtC0+8cMAvimiNYD what does the '==' at the end means? I am assuming it that its a error on decompressors behalf?

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  • How to read in a negative double with scanf() in C

    - by rize
    I'm learning basics of C and writing a simple first order equation solver. I want the input to be exactly ax+b=c or ax-b=c, where a, b, c are double type. I'm employing scanf() to read in user input and to check if it's of the correct form. However, if I enter a negative double, -4.6 say, as the "a" in the equation, scanf() won't read the a,b,c correctly. I'm using %lf inside scanf(). How do I read a negative double, then? Many thanks. My code: if (scanf("%lfx+%lf=%lf", &a, &b, &c)) more code If I use as the input "-6.2x+3.4=-5.9", the value 3.4 will be assinged to variable a, while b and c remain as they were and "more code" is run.

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  • PHP and Apache environment variables

    - by Simon
    Hello, I want to pass an environment variable in linux to apache on start up. export MYVAR=5 --I define my environment variable on the command line PassEnv MYVAR --set apache to import the variable in apache config file apachectl restart --when I restart apache I don't get an error message. However I have noticed that if I do not create the environment variable in my first step, I get a warning message, so must be working here echo $_SERVER['MYVAR'] --i try to access the environment variable within PHP but it is not defined I've observed that if I try to PassEnv an environment variable that already exits (one that I havn't created myself) it works fine. The SetEnv directive also works fine. I'd really like to pass an environment variable to apache on the fly without writing it in a file. Help much appreciated. I'm using CentOS, PHP5 and Apache2. Thanks.

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  • Running GUI application in the Windows service mode

    - by Leonid
    I'm writing a server running as a Windows service that by request invokes Firefox to generate a pdf snapshot of a webpage. I know it is a bad idea to run a GUI program in service mode, but the server nature of my program restricts from running it in the user mode. Running a user-level 'proxy' also is not an option, since there might be no interactive user logged-in on the machine with the server running. In my experiments Firefox successfully produced pdf when the service was running under a user account that was already logged-in. Obviously it didn't work in other cases: for Local System and user accounts that weren't logged-in. Under LocalSystem with 'Allow service to interact with desktop' option enabled I could see the Firefox started that reports that it's unable to find a printer. Since it wouldn't be practical to require an opened user session for the pdf server to run, is there any workaround for this except running the whole thing from a virtual machine?

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  • Rails - Permission denied when try to save uploaded file in windows

    - by logoin
    I'm writing my own file upload in rails. I saw some related questions but it doesn't answer my question. I use File.open ("#{RAILS_ROOT}/public/docs/attachments/#{@file_name}", "wb") {|f| f.write(@temp_file.read)} to write the file on my local machine (OS: Windows XP) instead of saving it in database. I got a Permission denied error on the File.open method. Since I have cygwin installed, I chmod 777 the folder that files should write to and also make sure the file I upload can be read. But I'm still getting the same error. Any ideas? Thanks!

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  • HTML5: dragover(), drop(): how get current x,y coordinates?

    - by Pete Alvin
    How does one determine the (x,y) coordinates while dragging "dragover" and after the drop ("drop") in HTML5 DnD? I found a webpage that describes x,y for dragover (look at e.offsetX and e.layerX to see if set for various browsers but for the life of me they ARE NOT set). What do you use for the drop(e) function to find out WHERE in the current drop target it was actually dropped? I'm writing an online circuit design app and my drop target is large. Do I need to drop down to mouse-level to find out x,y or does HTML5 provided a higher level abstraction?

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  • How do you determine when an object is drawn on-screen in OpenGL?

    - by Harry
    I'm extremely new to OpenGL. I'm writing a program that displays flying text on screen. I need to know when certain text string appears (drawn) onto the screen and are visible to the user. The program needs to identify which text strings are displayed. At first, I started to think that I could use OpenGL's picking mechanism, but so far I've only seen examples where the selection area is focused on some sort of user interaction. I want to know what objects are displayed on the entire window area. This leads me to think I'm on the wrong track... Am I missing something? Any suggestions are welcome.

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  • Code Assist in Eclipse PDT

    - by Mike
    I am trying to come over from dreamweaver to eclipse. In eclipse when I am in a php file writing html. If I just type a "<" then the code assist popup will come up with all the options I can choose from. I would like to know if the code assist can appear in more places though. If I type "<div" and hit space can I get another code assist popup? If so, how?

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  • XML Parsing in Groovy strips attribute new lines

    - by Bill James
    I'm writing code where I retrieve XML from a web api, then parse that XML using Groovy. Unfortunately, it seems that both XmlParser and XmlSlurper for Groovy strip newline characters from the attributes of nodes when .text() is called. How can I get at the text of the attribute including the newlines? Sample code: def xmltest = ''' <snippet> <preSnippet att1="testatt1" code="This is line 1 This is line 2 This is line 3" > <lines count="10" /> </preSnippet> </snippet>''' def parsed = new XmlParser().parseText( xmltest ) println "Parsed" parsed.preSnippet.each { pre -> println pre.attribute('code'); } def slurped = new XmlSlurper().parseText( xmltest ) println "Slurped" slurped.children().each { preSnip -> println [email protected]() } the output of which is: Parsed This is line 1 This is line 2 This is line 3 Slurped This is line 1 This is line 2 This is line 3

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  • Images saved with D3DXSaveSurfaceToFile will open in Paint, not Photoshop

    - by bsruth
    I'm using D3DXSaveSurfaceToFile to save windowed Direct3D 9 surfaces to PNG, BMP and JPG files. There are no errors returned from the D3DXSaveSurfaceToFile call and all files open fine in Windows Photo Viewer and Paint. But they will not open in a higher end image editing program such as Paint Shop Pro or Photoshop. The error messages from these programs basically say that the file is corrupted. If I open the files in Paint and then save them in the same file format with a different file name, then they'll open fine in the other programs. This leads me to believe that D3DXSaveSurfaceToFile is writing out non-standard versions of these file formats. Is there some way I can get this function to write out files that can be opened in programs like Photoshop without the intermediate step of resaving the files in Paint? Or is there another function I should be using that does a better job of saving a Direct3D surfaces to an image?

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  • Creating a .bat file

    - by kiran826
    Hi, I am trying to execute a command CSRUN.exe with certain parameters from command prompt. I am able to do this using command prompt. Everytime instead of invoking this from the command prompt, i thought of writing a batch file, where in a single click will help me and also i forward this to someone who wants to execute. Following is the one i am executing from the command prompt, which i want to have in a batch file C:\Program Files\Windows Azure SDK\v1.1\bincsrun.exe E:\Publish\ServiceConfiguration.csx E:\Publish\ServiceConfiguration.cscfg /launchbrowser Can somebody suggest me how to create a batch file for invoking this command?

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