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• Can I embed a custom font in an iPhone application?

  - by Airsource Ltd

  I would like to have an app include a custom font for rendering text, load it, and then use it with standard UIKit elements like UILabel. Is this possible? I found these links: http://discussions.apple.com/thread.jspa?messageID=8304744 http://forums.macrumors.com/showthread.php?t=569311 but these would require me to render each glyph myself, which is a bit too much like hard work, especially for multi-line text. I've also found posts that say straight out that it's not possible, but without justification, so I'm looking for a definitive answer. EDIT - failed -[UIFont fontWithName:size:] experiment I downloaded Harrowprint.tff (downloaded from here) and added it to my Resources directory and to the project. I then tried this code: UIFont* font = [UIFont fontWithName:@"Harrowprint" size:20]; which resulted in an exception being thrown. Looking at the TTF file in Finder confirmed that the font name was Harrowprint. EDIT - there have been a number of replies so far which tell me to read the documentation on X or Y. I've experimented extensively with all of these, and got nowhere. In one case, X turned out to be relevant only on OS X, not on iPhone. Consequently I am setting a bounty for this question, and I will award the bounty to the first person who provides an answer (using only documented APIs) who responds with sufficient information to get this working on the device. Working on the simulator too would be a bonus. EDIT - it appears that the bounty auto-awards to the answer with the highest nunber of votes. Interesting. No one actually provided an answer that solved the question as asked - the solution that involves coding your own UILabel subclass doesn't support word-wrap, which is an essential feature for me - though I guess I could extend it to do so.

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• Javascript WebGL error

  - by Chris

  Hi I can load 400 textured cylinders using o3d webl, as soon as I push the test upto 600 cylinders I get the following.. uncaught exception: [Exception... "Could not convert JavaScript argument arg 0 [nsIDOMWebGLRenderingContext.getShaderInfoLog" nsresult: "0x80570009 (NS_ERROR_XPC_BAD_CONVERT-JS)" location: "JS frame :: file:///d:/o3d-webgl/effect.js :: :: line 181" data: no) This is the error from minefield, does anyone know what this means? This is the function: o3d.Effect.prototype.bindAttributesAndLinkIfReady = function() { if (this.vertexShaderLoaded_ && this.fragmentShaderLoaded_) { var semanticMap = o3d.Effect.semanticMap_; for (var name in semanticMap) { this.gl.bindAttribLocation( this.program_, semanticMap[name].gl_index, name); } this.gl.linkProgram(this.program_); if (!this.gl.getProgramParameter(this.program_, this.gl.LINK_STATUS)) { var log = this.gl.getShaderInfoLog(this.program_); this.gl.client.error_callback( 'Program link failed with error log:\n' + log); } this.getUniforms_(); this.getAttributes_(); } }; It falls over on ... var log = this.gl.getShaderInfoLog(this.program_);

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• GWT dev mode throws ArrayIndexOutOfBoundsException when compile GinjectorImpl.java

  - by Jiang Zhu

  I'm getting following exception when open my GWT app in development mode. the exact same code can compile successfully using mvn gwt:compile Caused by: java.lang.ArrayIndexOutOfBoundsException: 3667 at com.google.gwt.dev.asm.ClassReader.readClass(ClassReader.java:1976) at com.google.gwt.dev.asm.ClassReader.accept(ClassReader.java:464) at com.google.gwt.dev.asm.ClassReader.accept(ClassReader.java:420) at com.google.gwt.dev.shell.rewrite.HasAnnotation.hasAnnotation(HasAnnotation.java:45) at com.google.gwt.dev.shell.CompilingClassLoader.findClass(CompilingClassLoader.java:1100) at com.google.gwt.dev.shell.CompilingClassLoader.loadClass(CompilingClassLoader.java:1203) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:247) at com.google.gwt.dev.shell.ModuleSpace.loadClassFromSourceName(ModuleSpace.java:665) at com.google.gwt.dev.shell.ModuleSpace.rebindAndCreate(ModuleSpace.java:468) at com.google.gwt.dev.shell.GWTBridgeImpl.create(GWTBridgeImpl.java:49) at com.google.gwt.core.shared.GWT.create(GWT.java:57) at com.google.gwt.core.client.GWT.create(GWT.java:85) at ... I overdid ModuleSpace.java and printed out the class name at line 665 before Class.forName() which points out it is trying to load the generated GinjectorImpl.java I found out my generated GinjectorImpl.java is about 9MB and with 100K+ lines of code. When I randomly remove some modules from my GWT app it works again, so I'm guessing it is too large for ASM to compile. Any suggestions? Thanks Environment: GWT 2.5.0, GIN 1.5.0, gwt-maven-plugin 2.5.0, Java 6 SE

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• Difficulty with apps with a forced landscape orientation

  - by mahboudz

  I have two apps, both of which force the user to use the iPhone in landscape mode, in order to have a wider screen, instead of a taller one. One of the things I have found is that my first view will look fine, but all other views come up with their subviews (UIButtons, UIPicker, UIViews) squeezed to one side or clipped (depending on whether the elements were set to move, resize or stay in the same position as the view size changed). All my views are designed in IB in the landscape orientation. My underlying UIWindow, and everything I can think of has been laid out in landscape orientation. Even my plist file has the UIInterfaceOrientationLandscapeRight flag set. Now, if I load all my views at the same time as my rootview controller, then I have no problems. But if I have views loaded later, they get clipped or squeezed. The only way to get around the problem was to add the following line in my code that flips in a new view: [coming.view setFrame:CGRectMake(0, 0, 480, 300)]; Anyone know why I need to do this? Is it just that the iPhone assumes that loaded views are 300x480 unless a transform gets applied to them? Thanks. ps. This is what the view looks like if I don't call setFrame, as described above: All viewcontrollers that get loaded after the first one will have their screen similarly squeezed down. For some reason the first viewcontroller doesn't have this issue.

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• Heroku and Refinerycms: Application failed to start ~ attachment_fu problem

  - by John Deely

  Ok so I'm trying to get Refinerycms working with Heroku, and I'm new at all of this. I've set up an amazon s3 account and added keys and ids to the amazon_s3.yml files. When launched on Heroku at gart.heroku.com I get the following error: App failed to start /disk1/home/slugs/141557_e8490b3_d5eb/mnt/vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/s3_backend.rb:187:in read': No such file or directory - /disk1/home/slugs/141557_e8490b3_d5eb/mnt/config/amazon_s3.yml (Errno::ENOENT) from /disk1/home/slugs/141557_e8490b3_d5eb/mnt/vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/s3_backend.rb:187:inincluded' from /disk1/home/slugs/141557_e8490b3_d5eb/mnt/vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:123:in include' from /disk1/home/slugs/141557_e8490b3_d5eb/mnt/vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:123:inhas_attachment' from /disk1/home/slugs/141557_e8490b3_d5eb/mnt/app/models/image.rb:13 from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require' from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:inrequire' from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:158:in require' from /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:265:inrequire_or_load' ... 42 levels... from /usr/local/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/builder.rb:29:in instance_eval' from /usr/local/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/builder.rb:29:ininitialize' from /home/heroku_rack/heroku.ru:1:in `new' from /home/heroku_rack/heroku.ru:1 The s3_backend.rb line 187 contains: @@s3_config = @@s3_config = YAML.load(ERB.new(File.read(@@s3_config_path)).result)[RAILS_ENV].symbolize_keys Any help would be great!

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• Blackberry read local properties file in project

  - by Dachmt

  Hi, I have a config.properties file at the root of my blackberry project (same place as Blackberry_App_Descriptor.xml file), and I try to access the file to read and write into it. See below my class: public class Configuration { private String file; private String fileName; public Configuration(String pathToFile) { this.fileName = pathToFile; try { // Try to load the file and read it System.out.println("---------- Start to read the file"); file = readFile(fileName); System.out.println("---------- Property file:"); System.out.println(file); } catch (Exception e) { System.out.println("---------- Error reading file"); System.out.println(e.getMessage()); } } /** * Read a file and return it in a String * @param fName * @return */ private String readFile(String fName) { String properties = null; try { System.out.println("---------- Opening the file"); //to actually retrieve the resource prefix the name of the file with a "/" InputStream is = this.getClass().getResourceAsStream(fName); //we now have an input stream. Create a reader and read out //each character in the stream. System.out.println("---------- Input stream"); InputStreamReader isr = new InputStreamReader(is); char c; System.out.println("---------- Append string now"); while ((c = (char)isr.read()) != -1) { properties += c; } } catch (Exception e) { } return properties; } } I call my class constructor like this: Configuration config = new Configuration("/config.properties"); So in my class, "file" should have all the content of the config.properties file, and the fileName should have this value "/config.properties". But the "name" is null because the file cannot be found... I know this is the path of the file which should be different, but I don't know what i can change... The class is in the package com.mycompany.blackberry.utils Thank you!

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• Reduce number of config files to as few as possible

  - by Scott

  For most of my applications I use iBatis.Net for database access/modeling and log4Net for logging. In doing this, I need a number of *.config files for each project. For example, for a simple application I need to have the following *.config files: app.config ([AssemblyName].[Extention].config) [AssemblyName].SqlMap.config [AssemblyName].log4Net.config [AssemblyName].SqlMapProperties.config providers.config When these applications go from DEV to TEST to PRODUCTION environments, the settings contained in these files change depending on the environment. When the number of files get compounded by having 5-10 (or more) supporting executables per project, the work load on the infrastructure team (the ones doing the roll-outs to the different environments) gets rather high. We also have a high risk of one of the config files being missed, or a mistype in the config file. What is the best way to avoid these risks? Should I combine all of the config files into one file? (is that possible with iBatis?) I know that with VisualStudio 2010 they introduce transforms for these config files that allow the developer to setup all the settings for the different environments and then dynamically (depending on the build kicked off) the config files get updated to the correct versions. (VS 2010 - transforms) Thank you for any help that you can provide.

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• RFC regarding WAM

  - by Noctis Skytower

  Request For Comment regarding Whitespace's Assembly Mnemonics What follows in a first generation attempt at creating mnemonics for a whitespace assembly language. STACK ===== push number copy copy number swap away away number MATH ==== add sub mul div mod HEAP ==== set get FLOW ==== part label call label goto label zero label less label back exit I/O === ochr oint ichr iint In the interest of making improvements to this small and simple instruction set, this is a second attempt. hold N Push the number onto the stack copy Duplicate the top item on the stack copy N Copy the nth item on the stack (given by the argument) onto the top of the stack swap Swap the top two items on the stack drop Discard the top item on the stack drop N Slide n items off the stack, keeping the top item add Addition sub Subtraction mul Multiplication div Integer Division mod Modulo save Store load Retrieve L: Mark a location in the program call L Call a subroutine goto L Jump unconditionally to a label if=0 L Jump to a label if the top of the stack is zero if<0 L Jump to a label if the top of the stack is negative return End a subroutine and transfer control back to the caller exit End the program print chr Output the character at the top of the stack print int Output the number at the top of the stack input chr Read a character and place it in the location given by the top of the stack input int Read a number and place it in the location given by the top of the stack What do you think of the following revised list for Whitespace's assembly instructions? I'm still thinking outside of the box somewhat and trying to come up with a better mnemonic set than last time. When the previous interpreter was written, it was completed over two contiguous, rushed evenings. This rewrite deserves significantly more time now that it is the summer. Of course, the next version of Whitespace (0.4) may have its instructions revised even more, but this is just a redesign of what originally was done in a very short amount of time. Hopefully, the instructions make more sense once someone new to programmings thinks about them.

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• How to perform two-way data binding of controls in a user control inside a FormView

  - by Sandor Drieënhuizen

  I'm trying to perform two-way data binding on the controls in my user control, which is hosted inside a FormView template. FormView: <asp:ObjectDataSource runat="server" ID="ObjectDataSource" TypeName="WebApplication1.Data" SelectMethod="GetItem" UpdateMethod="UpdateItem"> </asp:ObjectDataSource> <asp:FormView runat="server" ID="FormView" DataSourceID="ObjectDataSource"> <ItemTemplate> <uc:WebUserControl1 runat="server"></uc:WebUserControl1> </ItemTemplate> <EditItemTemplate> <uc:WebUserControl1 runat="server"></uc:WebUserControl1> </EditItemTemplate> </asp:FormView> User control: <%@ Control Language="C#" ... %> <asp:TextBox runat="server" ID="TitleTextBox" Text='<%# Bind("Title") %>'> </asp:TextBox> The binding works fine when the FormView is in View mode but when I switch to Edit mode, upon calling UpdateItem on the FormView, the bindings are lost. I know this because the FormView tries to call an update method on the ObjectDataSource that does not have an argument called 'Title'. I tried to solve this by implementing IBindableTemplate to load the controls that are inside my user control, directly into the templates (just like I had entered them declaratively like in the code above). However, when calling UpdateItem in edit mode, the container that gets passed into the ExtractValues method of the template, does not contain the TextBox anymore. It did in view mode! I have found some questions on SO that relate to this problem but they are rather dated and they don't provide any answers that helped me solve this problem. How do you think I could solve this problem? It seems to be such a simple requirement but apparently it's more like opening a can of worms...

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• jQuery fadein fadeout divs over set interval

  - by theDawckta

  I want to fadeOut the first div in a collection and then fadeIn the next div. The fade in out would trigger at a set time. The number of items in the collection is 1 to n. Here is an example of the html; <div class="contentPanel"> <div class="content"> <div style="border: solid 2px black; text-align: center"> This is first content </div> </div> <div class="content"> <div style="border: solid 2px black; text-align: center"> This is second content </div> </div> <div class="content"> <div style="border: solid 2px black; text-align: center"> This is third content </div> </div> </div> So on page load the first "content" class would be visible, after x amount of time, the current "content" would fadeout and the next "content" would fade in. When it got to the nth "content" it would start over, fadeout the nth "content" and fadein the first "content". This behavior would loop continuously.

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• Read large file into sqlite table in objective-C on iPhone

  - by James Testa

  I have a 2 MB file, not too large, that I'd like to put into an sqlite database so that I can search it. There are about 30K entries that are in CSV format, with six fields per line. My understanding is that sqlite on the iPhone can handle a database of this size. I have taken a few approaches but they have all been slow 30 s. I've tried: 1) Using C code to read the file and parse the fields into arrays. 2) Using the following Objective-C code to parse the file and put it into directly into the sqlite database: NSString *file_text = [NSString stringWithContentsOfFile: filePath usedEncoding: NULL error: NULL]; NSArray *lineArray = [file_text componentsSeparatedByString:@"\n"]; for(int k = 0; k < [lineArray count]; k++){ NSArray *parts = [[lineArray objectAtIndex:k] componentsSeparatedByString: @","]; NSString *field0 = [parts objectAtIndex:0]; NSString *field2 = [parts objectAtIndex:2]; NSString *field3 = [parts objectAtIndex:3]; NSString *loadSQLi = [[NSString alloc] initWithFormat: @"INSERT INTO TABLE (TABLE, FIELD0, FIELD2, FIELD3) VALUES ('%@', '%@', '%@');",field0, field2, field3]; if (sqlite3_exec (db_table, [loadSQLi UTF8String], NULL, NULL, &errorMsg) != SQLITE_OK) { sqlite3_close(db_table); NSAssert1(0, @"Error loading table: %s", errorMsg); } Am I missing something? Does anyone know of a fast way to get the file into a database? Or is it possible to translate the file into a sqlite format that can be read directly into sqlite? Or should I turn the file into a plist and load it into a Dictionary? Unfortunately I need to search on two of the fields, and I think a Dictionary can only have one key? Jim

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• HTTP Basic authentication using Authlogic or authenticate_or_request_with_http_basic for API call?

  - by Gaius Parx

  I have a Rails 2.3.x app that implements the act_as_authentic in User model and a UserSession model as per Authlogic Github example. I am implementing an API to allow access from iPhone. Will be using HTTP Basic authentication via https (will not implement single access token). Each API call requires a username/password for the access. I am able to access the API by calling http://username:password@localhost:3000/books.xml for example. Authlogic will not persist if using the single access token. But I am using HTTP Basic which I think Authlogic will create session for the API calls, which is not used for my API methods. So for each API call I made, new session object is created. Thus appear to me that this would load up the server resource pretty quickly. Sounds like a bad idea. The alternative is to use the Rails authenticate_or_request_with_http_basic for API controllers. Example adding a before_filter: def require_http_auth_user authenticate_or_request_with_http_basic do |username, password| if @current_user = User.find_by_email(username) @current_user.valid_password?(password) else false end end end This will bypass the Authlogic UserSession and just use the User model. But this will involve using separate authentication codes in the app. Anyone has any comments and can share their experience? Thanks

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• Google Chrome, IE problem with adjusting style before AJAX

  - by orokusaki

  When I'm using AJAX, I typically do something before each request to let the user know that they'll be waiting for a second. This is usually done by just adding an animated loading gif. When I do this, Firefox does what you'd expect and adds the gif before moving control to the next line (where the AJAX is called). In Chrome, it locks the browser and doesn't make any DOM changes at all (let alone load an image), including even changing the color of something, until the AJAX is done. This isn't just AJAX though. It's anything that holds control, and it never makes DOM changes until the control is given back to the window. Example (using jQuery): function submit_order() { $('#my_element').css('color', '#FF0000'); // Make text red before calling AJAX $.getJSON('/api/', my_callback) // Note, in IE and Chrome #my_element isn't turned red until the AJAX finishes and my_callback is run } Why does this happen, and how can I solve it? I can't use ASYNC because of the nature of the data (it would be a big mess). I experimented with using window.setTimeout(myajaxfunc, 150) after setting the style, to see if it would set the style, then do the timeout, but it appears it isn't an issue with just AJAX, but rather the control of the script in general (I think, hence the title making mention to AJAX because this is the only time I ever run into this problem). This doesn't have anything to do with it being in a function BTW.

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• Basic Steps in reading Excel files into matlab

  - by user3693727

  >> [NUM,TXT,RAW]=xlsread('C:\Users\Lincoln Wachn\Google Drive\Summer time\Book1') ??? Error using ==> xlsread at 219 XLSREAD unable to open file C:\Users\Lincoln Wachn\Google Drive\Summer time\Book1. File C:\Users\Lincoln Wachn\Google Drive\Summer time\Book1.xls not found. This is the error that I have received when I try to read a simple Excel file into MATLAB. This is a snapshot of the spreadsheet I would like to load in. Could guide me the basic know-how to extract these data? I have looked through the other questions pertaining to reading Excel files into MATLAB, but I am still very confused. I ultimately wish to extract the file below for my project using the same method. The second image shows the data I have to extract which I could not do. Its file type seems to be different, it is comma separated values file which is not xls. Hence, I am also confuse about whether different file type prevents extraction of data. Thanks you for helping(:

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• python / sqlite - database locked despite large timeouts

  - by Chris Phillips

  Hi, I'm sure I'm missing something pretty obvious, but I can't for the life of me stop my pysqlite scripts crashing out with a database is locked error. I have two scripts, one to load data into the database, and one to read data out, but both will frequently, and instantly, crash depending on what the other is doing with the database at any given time. I've got the timeout on both scripts set to 30 seconds: cx = sqlite.connect("database.sql", timeout=30.0) and think I can see some evidence of the timeouts in that i get what appears to be a timing stamp (e.g 0.12343827e-06 0.1 - and how do I stop that being printed?) dumped occasionally in the middle of my curses formatted output screen, but no delay that ever gets remotely near the 30 second timeout, but still one of the other keeps crashing again and again from this. I'm running RHEL5.4 on a 64 bit 4 cpu HS21 IBM blade, and have heard some mention about issues about multi-threading and am not sure if this might be relevant. Packages in use are sqlite-3.3.6-5 and python-sqlite-1.1.7-1.2.1, and upgrading to newer versions outside of RedHat's official provisions is not a great option for me. Possible, but not desirable due to the environment in general. I have had autocommit=1 on previously on both scripts, but have since disabled on both, and am now cx.commit()ing on the inserting script and not committing on the select script. Ultimately as I only ever have one script actually making any modifications, I don't really see why this locking should ever ever happen. I have noticed that this is significantly worse over time when the database has gotten larger. It was recently at 13mb with 3 equal sized tables, which was about 1 day's worth of data. creating a new file has significantly improved this, which seems understandable, but the timeout ultimately just doesn't seem to be being obeyed. Any pointers very much appreciated. Thanks Chris

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• GAE Task Queue oddness

  - by b3nw

  I have been testing the taskqueue with mixed success. Currently I am using the default queue, in default settings ect ect.... I have a test url setup which inserts about 8 tasks into the queue. With short order, all 8 are completed properly. So far so good. The problem comes up when I re-load that url twice under say a minute. Now watching the task queue, all the tasks are added properly, but only the first batch execute it seems. But the "Run in Last Minute" # shows the right number of tasks being run.... The request logs tell a different story. They show only the first set of 8 running, but all task creation urls working successfully. The oddness of this is that if I wait say a minute between the task creation url requests, it will work fine. Oddly enough changing the bucket_size or execution speed does not seem to help. Only the first batch are executed. I have also reduced the number of requests all the way down to 2, and still found only the first 2 execute. Any others added display the same issues as above. Any suggestions? Thanks

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• SQLiteDataAdapter Fill exception C# ADO.NET

  - by Lirik

  I'm trying to use the OleDb CSV parser to load some data from a CSV file and insert it into a SQLite database, but I get an exception with the OleDbAdapter.Fill method and it's frustrating: An unhandled exception of type 'System.Data.ConstraintException' occurred in System.Data.dll Additional information: Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints. Here is the source code: public void InsertData(String csvFileName, String tableName) { String dir = Path.GetDirectoryName(csvFileName); String name = Path.GetFileName(csvFileName); using (OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + dir + @";Extended Properties=""Text;HDR=No;FMT=Delimited""")) { conn.Open(); using (OleDbDataAdapter adapter = new OleDbDataAdapter("SELECT * FROM " + name, conn)) { QuoteDataSet ds = new QuoteDataSet(); adapter.Fill(ds, tableName); // <-- Exception here InsertData(ds, tableName); // <-- Inserts the data into the my SQLite db } } } class Program { static void Main(string[] args) { SQLiteDatabase target = new SQLiteDatabase(); string csvFileName = "D:\\Innovations\\Finch\\dev\\DataFeed\\YahooTagsInfo.csv"; string tableName = "Tags"; target.InsertData(csvFileName, tableName); Console.ReadKey(); } } The "YahooTagsInfo.csv" file looks like this: tagId,tagName,description,colName,dataType,realTime 1,s,Symbol,symbol,VARCHAR,FALSE 2,c8,After Hours Change,afterhours,DOUBLE,TRUE 3,g3,Annualized Gain,annualizedGain,DOUBLE,FALSE 4,a,Ask,ask,DOUBLE,FALSE 5,a5,Ask Size,askSize,DOUBLE,FALSE 6,a2,Average Daily Volume,avgDailyVolume,DOUBLE,FALSE 7,b,Bid,bid,DOUBLE,FALSE 8,b6,Bid Size,bidSize,DOUBLE,FALSE 9,b4,Book Value,bookValue,DOUBLE,FALSE I've tried the following: Removing the first line in the CSV file so it doesn't confuse it for real data. Changing the TRUE/FALSE realTime flag to 1/0. I've tried 1 and 2 together (i.e. removed the first line and changed the flag). None of these things helped... One constraint is that the tagId is supposed to be unique. Here is what the table look like in design view: Can anybody help me figure out what is the problem here?

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• Getting EXC_BAD_ACCESS without any helpful msg from NSZombieEnabled

  - by nefsu

  Hello guys. I'm a newbie to iphone development and I've been struggling with an EXC_BAD_ACCESS error I got a couple of days ago. I'm basically taking the Stanford iphone class independently and I am trying to pass an array of NSManagedObjects to a TableViewController that's supposed to display them. The application launches in the simulator and displays the data in the tableView but it immediately errors out with an EXC_BAD_ACCESS. I followed instructions here and other places on how to use NSZombieEnabled to identify prematurely released objects but this one comes without any helpful msgs even with NSZombieEnabled. My guess is it must be caused by something trying to access unassigned memory that wasn't released through release/autorelease. Or else it would have been picked up as zombie object like the other errors I have been able to fix. I'm not a c expert but does that mean something like that could happen if I were to declare an object and send it a message without ever instantiating it? I looked through my code to see if I had anything like that and I came up empty. I have the stack trace in the debugger for this but I'm not sure how to make use of it. I'm a little frustrated because I can't use breakpoints in the code to narrow down the problem any further since it seems to happen after the app has finished loading. I thought the app would just stay idle if there was no possible user interaction. Is it failing at the tail end of the load where I can't easy see it or is jut doing stuff in the background after it's done loading. And I would much appreciate any tips on how to read the stacktrace for this. Thanks for the help guys.

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• Binding Data to a TextBlock using Domain Data Source

  - by TFisher

  I have a map with hotspots for each state (done in Expression Blend). I capture each MouseEnter of the state (1 thru 50). I pass that into my Domain Data Source: Dim activebox As Path = TryCast(sender, Path) activebox.Fill = mouseOverColor Dim StateID As Integer = CInt(Right(activebox.Name, 2)) Dim _StateContext As New StateContext myDataGrid.ItemsSource = _StateContext.States _StateContext.Load(_StateContext.GetStateByStateIDQuery(StateID.Text)) The above works fine for a datagrid, listbox and even a dataform. But I created a popup with a stackpanel that has textblocks. popupStatesBox.DataContext = ?????????????? popupStatesBox.IsOpen = True 'popup does open but has no data -- popupStatesBox.xaml <Popup x:Name="popupStatsBox" Margin="8,35,0,8" DataContext="{Binding}" IsOpen="false" Width="268" HorizontalAlignment="Left"> <StackPanel x:Name="Layout" Background="Black"> <TextBlock x:Name="tbState" Text="{Binding StateName /> <TextBlock x:Name="tbAbbrev" Text="{Binding Abbreviation}" /> </StackPanel> </Popup> How do I get the textblocks to display the values from the _StateContext. StackPanel has DataContext but no ItemsSource. What am I missing?

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• Can WPF based ActiveX control use Reg-Free-COM

  - by embnut

  I have a WPF based ActiveX control (COM interop). I am able to use it correctly by registering the control. When I tried to Reg-Free-COM (using manifest files) the control seems to be activated, but the events (such as mouse click, RequestBringIntoView etc) dont respond. Interestingly, Double click and tab key works. I read in the this article http://blogs.msdn.com/karstenj/archive/2006/10/09/activex-wpf-gadget.aspx that " ... These upsides come with a price: the ActiveX control must be registered in the registry, which requires some kind of installation such as an .msi. The default gadget installation process cannot install ActiveX. The ActiveX control can't be access via reg-free COM. ..." Has anybody had a similar experience? Can anyone explain what is going on? Additional details: When the control is activated after it has been registered it appears as part of the COM client's UI. The control does not receive focus, its elements receive it. When using reg-free-com the control does not load correctly. 1) The control receives focus instead of its sub elements 2) The control has areas that are black instead of the windows default color 3) when I tab in and out of the control or double click it, it's subelements receive focus, the control starts receiving events and the black areas are replaced by the correct color

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• PHP gettext function only returns orignal untranslated string

  - by Camsoft

  I'm trying to use gettext add localisation support to my website. I've followed various guides on how to setup gettext and have done the following: I've created the following files and directories in the root of my project dir: test.php locale/ de_DE LC_MESSAGES messages.mo messages.po en_GB LC_MESSAGES messages.mo messages.po I've used Poedit to create the above .po and mo files. I've made sue it use Unix line endings, UTF-8 and set the language and country accordingly. I've then created a PHP script called test.php which has the following code: <?php define('LOCALE', 'de_DE'); // Set up environmental variables putenv("LC_ALL=" . LOCALE); setlocale(LC_ALL, LOCALE); bindtextdomain("messages", "./locale"); bind_textdomain_codeset("messages", LOCALE .".utf8"); textdomain("messages"); die(gettext('This is a test.')); ?> I've imported the text "This is a test." to Poedit and supplied the translation and saved it. But for some reason the test.php script will only output the original text untranslated. It refuses to load the version for the translation files. It's worth noting that the server is running Linux (Ubuntu), Apache 2.2.11 and PHP 5.2.6-3ubuntu4.5. I've checked phpinfo() and gettext is enabled. Can someone help me? Thanks.

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• OleDbExeption Was unhandled in VB.Net

  - by ritch

  Syntax error (missing operator) in query expression '((ProductID = ?) AND ((? = 1 AND Product Name IS NULL) OR (Product Name = ?)) AND ((? = 1 AND Price IS NULL) OR (Price = ?)) AND ((? = 1 AND Quantity IS NULL) OR (Quantity = ?)))'. I need some help sorting this error out in Visual Basics.Net 2008. I am trying to update records in a MS Access Database 2008. I have it being able to update one table but the other table is just not having it. Private Sub Admin_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'Reads Users into the program from the text file (Located at Module.VB) ReadUsers() 'Connect To Access 2007 Database File con.ConnectionString = ("Provider=Microsoft.ACE.OLEDB.12.0;" & "Data Source=E:\Computing\Projects\Login\Login\bds.accdb;") con.Open() 'SQL connect 1 sql = "Select * From Clients" da = New OleDb.OleDbDataAdapter(sql, con) da.Fill(ds, "Clients") MaxRows = ds.Tables("Clients").Rows.Count intCounter = -1 'SQL connect 2 sql2 = "Select * From Products" da2 = New OleDb.OleDbDataAdapter(sql2, con) da2.Fill(ds, "Products") MaxRows2 = ds.Tables("Products").Rows.Count intCounter2 = -1 'Show Clients From Database in a ComboBox ComboBoxClients.DisplayMember = "ClientName" ComboBoxClients.ValueMember = "ClientID" ComboBoxClients.DataSource = ds.Tables("Clients") End Sub The button, the error appears on da2.update(ds, "Products") Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click Dim cb2 As New OleDb.OleDbCommandBuilder(da2) ds.Tables("Products").Rows(intCounter2).Item("Price") = ProductPriceBox.Text da2.Update(ds, "Products") 'Alerts the user that the Database has been updated MsgBox("Database Updated") End Sub However the code works on updating another table Private Sub UpdateButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles UpdateButton.Click 'Allows users to update records in the Database Dim cb As New OleDb.OleDbCommandBuilder(da) 'Changes the database contents with the content in the text fields ds.Tables("Clients").Rows(intCounter).Item("ClientName") = ClientNameBox.Text ds.Tables("Clients").Rows(intCounter).Item("ClientID") = ClientIDBox.Text ds.Tables("Clients").Rows(intCounter).Item("ClientAddress") = ClientAddressBox.Text ds.Tables("Clients").Rows(intCounter).Item("ClientTelephoneNumber") = ClientNumberBox.Text 'Updates the table withing the Database da.Update(ds, "Clients") 'Alerts the user that the Database has been updated MsgBox("Database Updated") End Sub

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• Localization approach for XSLT + RESX in ASP.NET

  - by frankadelic

  I have an ASP.NET web app where the back end data (XML format) is transformed using XSLT, producing XHTML which is output into the page. Simplified code: XmlDocument xmlDoc = MyRepository.RetrieveXmlData(keyValue); XslCompiledTransform xsl = new XslCompiledTransform(); xsl.Load(pathToXsl, XsltSettings.TrustedXslt, null); StringWriter stringWriter = new StringWriter(); xsl.Transform(xmlDoc, null, stringWriter); myLiteral.Text = stringWriter.ToString(); Currently my XSL file contains the XHTML markup elements, as well as text labels, which are currently in English. for example: <p>Title:<br /> <xsl:value-of select="title"/> </p> <p>Description:<br /> <xsl:value-of select="desc"/> </p> I would like the text labels (Title and Description above) to be localized. I was thinking of using .NET resource files (.resx), but I don't know how the resx string resources would get pulled in to the XSLT when the transformation takes place. I would prefer not to have locale-specific copies of the XSLT file, since that means a lot of duplicate transformation logic. (NOTE: the XML data is already localized, so I don't need to change that)

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• SimpleDOM sortedXPath date sorting works on localhost but not on remote server.

  - by Imminent

  Here's what i'm trying to do: 1) Take a basic XML page (data.xml) 2) Load it with simpleDOM 3) Use simpleDOM sortedXPath to sort all XML items by their pubDate 4) Display sorted output Here is the code I currently have. My code below outputs exactly what I need when run it on my localhost (XAMPP w/PHP 5.3) but on my remote server (which has at least PHP 5.0+) all is lost and a completely blank page is output. It will output the $xml array with print_r though. Here is my code: <?php include('SimpleDOM.php'); $xml = simpledom_load_file('data.xml'); $dateformat = "D j M, g:ia"; /* print_r($xml); <-array will output on remote server if put here, but alas nothing else beyond this point */ /*Output First 5 items sorted by pubDate*/ foreach($xml->channel->sortedXPath('item','pubDate', SORT_DESC) as $i => $item){ if ($i > 4){ break; } print "<p>This Weeks Deal:<strong> ".$item->title."</strong></p>"; print $item->description; print "<p>Date Posted:<strong> ".date($dateformat, strtotime($item->pubDate))."</strong></p>"; } ?> Like I said, this code seems to work great on my localhost... but not being able to run it on my remote server is making me crazy. Any ideas ?? Any help will be far beyond appreciated.

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• Importing MEF-Plugins into MVC Controllers

  - by Marks

  Hello. There are several examples of using MEF to plugin whole controller/view packages into a MVC application, but i didn't found one, using MEF to plugin funcional parts, used by other controllers. For example, think of a NewsService with a simple interface like interface INewsService { List<NewsItem> GetAllNews(); } That gets news wherever he wants, and returns them in a List of NewsItems. My page should load an exported INewsService and show the news on the page. But there is the problem. I cant just use [Import] in the controllers, as they are just created when they are needed. Edit: (Importing them to the main MVCApplication class doesn't work, becouse i cant access it from the controllers.) I think i found a way to access the main app via HttpContext.ApplicationInstance. But the Service object in this instance is null although it was created successfully in the Application_Start() method. Any idea why? So, how can i access the NewsService from within a controller? Thanks in advance, Marks

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