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• Debugging matchit plugin in vim (under Cygwin)

  - by system PAUSE

  The "matchit" plugin for vim is supposed to allow you to use the % key to jump between matching start/end tags when editing HTML, as well as /* and */ comment delimiters when editing other kinds of code. I've followed the exact instructions in ":help matchit", but % still doesn't work for me. It seems silly to ask "Why doesn't this work?" so instead I'm asking How can I diagnose the problem? Pointers to references are welcome, but specific vim-plugin-debugging techniques are preferred. Here is the ~/.vim directory: $ ls -ltaGR ~/.vim /cygdrive/y/.vim: total 0 drwxr-xr-x 1 spause 0 Sep 17 13:20 .. drwxr-xr-x 1 spause 0 Sep 16 13:59 doc drwxr-xr-x 1 spause 0 Sep 16 13:58 . drwxr-xr-x 1 spause 0 Sep 16 13:58 plugin /cygdrive/y/.vim/doc: total 24 -rw-r--r-- 1 spause 1961 Sep 16 13:59 tags drwxr-xr-x 1 spause 0 Sep 16 13:59 . -rw-r--r-- 1 spause 19303 Sep 16 13:58 matchit.txt drwxr-xr-x 1 spause 0 Sep 16 13:58 .. /cygdrive/y/.vim/plugin: total 32 drwxr-xr-x 1 spause 0 Sep 16 13:58 .. -rw-r--r-- 1 spause 30714 Sep 16 13:58 matchit.vim drwxr-xr-x 1 spause 0 Sep 16 13:58 . I am running vim 7.2 under Cygwin (installed Fall 2008). cygcheck shows: 1829k 2008/06/12 C:\cygwin\bin\cygwin1.dll Cygwin DLL version info: DLL version: 1.5.25 DLL epoch: 19 DLL bad signal mask: 19005 DLL old termios: 5 DLL malloc env: 28 API major: 0 API minor: 156 Shared data: 4 DLL identifier: cygwin1 Mount registry: 2 Cygnus registry name: Cygnus Solutions Cygwin registry name: Cygwin Program options name: Program Options Cygwin mount registry name: mounts v2 Cygdrive flags: cygdrive flags Cygdrive prefix: cygdrive prefix Cygdrive default prefix: Build date: Thu Jun 12 19:34:46 CEST 2008 CVS tag: cr-0x5f1 Shared id: cygwin1S4 In vim, :set shows: --- Options --- autoindent fileformat=dos shiftwidth=3 background=dark filetype=html syntax=html cedit=^F scroll=24 tabstop=3 expandtab shelltemp textmode viminfo='20,<50,s10,h Notably, the syntax and filetype are both recognized as HTML. (The syntax colouring is just fine.) If additional info is needed, please comment. UPDATE: Per answer by too much php: After trying vim -V1, I had changed my .vimrc to include a line set nocp so the compatible option is not on. :let loadad_matchit loaded_matchit #1 :set runtimepath? runtimepath=~/.vim,/usr/share/vim/vimfiles,/usr/share/vim/vim72,/usr/share/vim/vimfiles/after,~/.vim/after (~ is /cygdrive/y) Per answer by michael: :scriptnames 1: /cygdrive/y/.vimrc 2: /usr/share/vim/vim72/syntax/syntax.vim 3: /usr/share/vim/vim72/syntax/synload.vim 4: /usr/share/vim/vim72/syntax/syncolor.vim 5: /usr/share/vim/vim72/filetype.vim 6: /usr/share/vim/vim72/colors/evening.vim 7: /cygdrive/y/.vim/plugin/matchit.vim 8: /cygdrive/y/.vim/plugin/python_match.vim 9: /usr/share/vim/vim72/plugin/getscriptPlugin.vim 10: /usr/share/vim/vim72/plugin/gzip.vim 11: /usr/share/vim/vim72/plugin/matchparen.vim 12: /usr/share/vim/vim72/plugin/netrwPlugin.vim 13: /usr/share/vim/vim72/plugin/rrhelper.vim 14: /usr/share/vim/vim72/plugin/spellfile.vim 15: /usr/share/vim/vim72/plugin/tarPlugin.vim 16: /usr/share/vim/vim72/plugin/tohtml.vim 17: /usr/share/vim/vim72/plugin/vimballPlugin.vim 18: /usr/share/vim/vim72/plugin/zipPlugin.vim 19: /usr/share/vim/vim72/syntax/html.vim 20: /usr/share/vim/vim72/syntax/javascript.vim 21: /usr/share/vim/vim72/syntax/vb.vim 22: /usr/share/vim/vim72/syntax/css.vim Note that matchit.vim, html.vim, tohtml.vim, css.vim, and javascript.vim are all present. :echo b:match_words E121: Undefined variable: b:match_words E15: Invalid expression: b:match_words Hm, this looks highly relevant. I'm now looking through :help matchit-debug to find out how to fix b:match_words.

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• Grails - Simple hasMany Problem - Using CheckBoxes rather than HTML Select in create.gsp

  - by gav

  My problem is this: I want to create a grails domain instance, defining the 'Many' instances of another domain that it has. I have the actual source in a Google Code Project but the following should illustrate the problem. class Person { String name static hasMany[skills:Skill] static constraints = { id (visible:false) skills (nullable:false, blank:false) } } class Skill { String name String description static constraints = { id (visible:false) name (nullable:false, blank:false) description (nullable:false, blank:false) } } If you use this model and def scaffold for the two Controllers then you end up with a form like this that doesn't work; My own attempt to get this to work enumerates the Skills as checkboxes and looks like this; But when I save the Volunteer the skills are null! This is the code for my save method; def save = { log.info "Saving: " + params.toString() def skills = params.skills log.info "Skills: " + skills def volunteerInstance = new Volunteer(params) log.info volunteerInstance if (volunteerInstance.save(flush: true)) { flash.message = "${message(code: 'default.created.message', args: [message(code: 'volunteer.label', default: 'Volunteer'), volunteerInstance.id])}" redirect(action: "show", id: volunteerInstance.id) log.info volunteerInstance } else { render(view: "create", model: [volunteerInstance: volunteerInstance]) } } This is my log output (I have custom toString() methods); 2010-05-10 21:06:41,494 [http-8080-3] INFO bumbumtrain.VolunteerController - Saving: ["skills":["1", "2"], "name":"Ian", "_skills":["", ""], "create":"Create", "action":"save", "controller":"volunteer"] 2010-05-10 21:06:41,495 [http-8080-3] INFO bumbumtrain.VolunteerController - Skills: [1, 2] 2010-05-10 21:06:41,508 [http-8080-3] INFO bumbumtrain.VolunteerController - Volunteer[ id: null | Name: Ian | Skills [Skill[ id: 1 | Name: Carpenter ] , Skill[ id: 2 | Name: Sound Engineer ] ]] Note that in the final log line the right Skills have been picked up and are part of the object instance. When the volunteer is saved the 'Skills' are ignored and not commited to the database despite the in memory version created clearly does have the items. Is it not possible to pass the Skills at construction time? There must be a way round this? I need a single form to allow a person to register but I want to normalise the data so that I can add more skills at a later time. If you think this should 'just work' then a link to a working example would be great. If I use the HTML Select then it works fine! Such as the following to make the Create page; <tr class="prop"> <td valign="top" class="name"> <label for="skills"><g:message code="volunteer.skills.label" default="Skills" /></label> </td> <td valign="top" class="value ${hasErrors(bean: volunteerInstance, field: 'skills', 'errors')}"> <g:select name="skills" from="${uk.co.bumbumtrain.Skill.list()}" multiple="yes" optionKey="id" size="5" value="${volunteerInstance?.skills}" /> </td> </tr> But I need it to work with checkboxes like this; <tr class="prop"> <td valign="top" class="name"> <label for="skills"><g:message code="volunteer.skills.label" default="Skills" /></label> </td> <td valign="top" class="value ${hasErrors(bean: volunteerInstance, field: 'skills', 'errors')}"> <g:each in="${skillInstanceList}" status="i" var="skillInstance"> <label for="${skillInstance?.name}"><g:message code="${skillInstance?.name}.label" default="${skillInstance?.name}" /></label> <g:checkBox name="skills" value="${skillInstance?.id.toString()}"/> </g:each> </td> </tr> The log output is exactly the same! With both style of form the Volunteer instance is created with the Skills correctly referenced in the 'Skills' variable. When saving, the latter fails with a null reference exception as shown at the top of this question. Hope this makes sense, thanks in advance! Gav

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• Need help with setting up comet code

  - by Saif Bechan

  Does anyone know off a way or maybe think its possible to connect Node.js with Nginx http push module to maintain a persistent connection between client and browser. I am new to comet so just don't understand the publishing etc maybe someone can help me with this. What i have set up so far is the following. I downloaded the jQuery.comet plugin and set up the following basic code: Client JavaScript <script type="text/javascript"> function updateFeed(data) { $('#time').text(data); } function catchAll(data, type) { console.log(data); console.log(type); } $.comet.connect('/broadcast/sub?channel=getIt'); $.comet.bind(updateFeed, 'feed'); $.comet.bind(catchAll); $('#kill-button').click(function() { $.comet.unbind(updateFeed, 'feed'); }); </script> What I can understand from this is that the client will keep on listening to the url followed by /broadcast/sub=getIt. When there is a message it will fire updateFeed. Pretty basic and understandable IMO. Nginx http push module config default_type application/octet-stream; sendfile on; keepalive_timeout 65; push_authorized_channels_only off; server { listen 80; location /broadcast { location = /broadcast/sub { set $push_channel_id $arg_channel; push_subscriber; push_subscriber_concurrency broadcast; push_channel_group broadcast; } location = /broadcast/pub { set $push_channel_id $arg_channel; push_publisher; push_min_message_buffer_length 5; push_max_message_buffer_length 20; push_message_timeout 5s; push_channel_group broadcast; } } } Ok now this tells nginx to listen at port 80 for any calls to /broadcast/sub and it will give back any responses sent to /broadcast/pub. Pretty basic also. This part is not so hard to understand, and is well documented over the internet. Most of the time there is a ruby or a php file behind this that does the broadcasting. My idea is to have node.js broadcasting /broadcast/pub. I think this will let me have persistent streaming data from the server to the client without breaking the connection. I tried the long-polling approach with looping the request but I think this will be more efficient. Or is this not going to work. Node.js file Now to create the Node.js i'm lost. First off all I don't know how to have node.js to work in this way. The setup I used for long polling is as follows: var sys = require('sys'), http = require('http'); http.createServer(function (req, res) { res.writeHead(200, {'Content-Type': 'text/html'}); res.write(new Date()); res.close(); seTimeout('',1000); }).listen(8000); This listens to port 8000 and just writes on the response variable. For long polling my nginx.config looked something like this: server { listen 80; server_name _; location / { proxy_pass http://mydomain.com:8080$request_uri; include /etc/nginx/proxy.conf; } } This just redirected the port 80 to 8000 and this worked fine. Does anyone have an idea on how to have Node.js act in a way Comet understands it. Would be really nice and you will help me out a lot. Recources used An example where this is done with ruby instead of Node.js jQuery.comet Nginx HTTP push module homepage Faye: a Comet client and server for Node.js and Rack To use faye I have to install the comet client, but I want to use the one supplied with Nginx. Thats why I don't just use faye. The one nginx uses is much more optimzed. extra Persistant connections Going evented with Node.js

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• Get information about AutocompleteTextView from resulting AutoCompleteTextView$DropDownListView

  - by Stev_k

  I'm using 3 AutocompleteTextViews to suggest entries from a database. I subclassed AutocompleteTextView to handle setting the default text to null when clicked and setting back to the default instructions if moved away and nothing is entered. I was using a SimpleCursorAdapter to bind to the view, but I discovered that there was no way I could get the id of the AutocompleteTextView from an OnItemClickListener, which I needed to put additional information from the selected row in a variable depending on which AutocompleteTextView it was from. All I could access was the AutoCompleteTextView$DropDownListView, which is an undocumented inner class that appears to offer no real functionality. Neither was there a way to go up the view hierarchy to get the original AutocompleteTextView. So I subclassed SimpleCursorAdapter and added an int to the constructor to identify which AutocompleteTextView the adapter was from, and I was able to access this from the view passed into OnItemClick(). So, although my solution works fine, I wonder if it is possible to get the id of an AutocompleteTextView from its DropDownListView? I am also using another database query which gets the id from the OnItemClick and then looks up the data for that item, because I couldn't find a way of converting more than one column to a string. Should I be using CursorAdapter for this, to save initiating another query? Oh, and another thing, do I need a database cursor initially (all_cursor) when all I'm doing is filtering on it to get a new cursor? Seems like overkill. Activity .... dbse.openDataBase(); Cursor all_Cursor = dbse.autocomplete_query(); startManagingCursor(all_Cursor); String[] from_all = new String[]{DbAdapter.KEY_NAME}; int[] to_all = new int[] {android.R.id.text1}; from_adapt = new AutocompleteAdapter(FROM_DBADAPTER, this,android.R.layout.simple_dropdown_item_1line, all_Cursor, from_all, to_all); from_adapt.setStringConversionColumn(1); from_adapt.setFilterQueryProvider(this); to_adapt = new AutocompleteAdapter(TO_DBADAPTER, this,android.R.layout.simple_dropdown_item_1line, all_Cursor, from_all, to_all); to_adapt.setStringConversionColumn(1); to_adapt.setFilterQueryProvider(this); from_auto_complete = (Autocomplete) findViewById(R.id.entry_from); from_auto_complete.setAdapter(from_adapt); from_auto_complete.setOnItemClickListener(this); to_auto_complete = (Autocomplete) findViewById(R.id.entry_to); to_auto_complete.setAdapter(to_adapt); to_auto_complete.setOnItemClickListener(this); public void onItemClick (AdapterView<?> parent, View view, int position, long id) { Cursor selected_row_cursor = dbse.data_from_id(id); selected_row_cursor.moveToFirst(); String lat = selected_row_cursor.getString(1); String lon = selected_row_cursor.getString(2); int source = ((AutocompleteAdapter) parent.getAdapter()).getSource(); Autocomplete class: public class Autocomplete extends AutoCompleteTextView implements OnTouchListener,OnFocusChangeListener{ String textcontent; Context mycontext = null; int viewid = this.getId(); public Autocomplete(Context context, AttributeSet attrs) { super(context, attrs); textcontent = this.getText().toString(); mycontext = context; this.setOnFocusChangeListener(this); this.setOnTouchListener(this); } public boolean onTouch(View v, MotionEvent event) { if (textcontent.equals(mycontext.getString(R.string.from_textbox)) | textcontent.equals(mycontext.getString(R.string.to_textbox)) | textcontent.equals(mycontext.getString(R.string.via_textbox))) { this.setText(""); } return false; } public void onFocusChange(View v, boolean hasFocus) { if (hasFocus == false) { int a = this.getText().length(); if (a == 0){ if (viewid == R.id.entry_from) {this.setText(R.string.from_textbox);} if (viewid == R.id.entry_to) {this.setText(R.string.to_textbox);} if (viewid == R.id.entry_via) {this.setText(R.string.via_textbox);} } } } } Adapter: public class AutocompleteAdapter extends SimpleCursorAdapter { int source; public AutocompleteAdapter(int query_source, Context context, int layout, Cursor c, String[] from, int[] to) { super(context, layout, c, from, to); source = query_source; } public int getSource() { return source; } } sorry that's a lot of code! Thanks for your help. Stephen

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• Game loop and time tracking

  - by David Brown

  Maybe I'm just an idiot, but I've been trying to implement a game loop all day and it's just not clicking. I've read literally every article I could find on Google, but the problem is that they all use different timing mechanisms, which makes them difficult to apply to my particular situation (some use milliseconds, other use ticks, etc). Basically, I have a Clock object that updates each time the game loop executes. internal class Clock { public static long Timestamp { get { return Stopwatch.GetTimestamp(); } } public static long Frequency { get { return Stopwatch.Frequency; } } private long _startTime; private long _lastTime; private TimeSpan _totalTime; private TimeSpan _elapsedTime; /// <summary> /// The amount of time that has passed since the first step. /// </summary> public TimeSpan TotalTime { get { return _totalTime; } } /// <summary> /// The amount of time that has passed since the last step. /// </summary> public TimeSpan ElapsedTime { get { return _elapsedTime; } } public Clock() { Reset(); } public void Reset() { _startTime = Timestamp; _lastTime = 0; _totalTime = TimeSpan.Zero; _elapsedTime = TimeSpan.Zero; } public void Tick() { long currentTime = Timestamp; if (_lastTime == 0) _lastTime = currentTime; _totalTime = TimestampToTimeSpan(currentTime - _startTime); _elapsedTime = TimestampToTimeSpan(currentTime - _lastTime); _lastTime = currentTime; } public static TimeSpan TimestampToTimeSpan(long timestamp) { return TimeSpan.FromTicks( (timestamp * TimeSpan.TicksPerSecond) / Frequency); } } I based most of that on the XNA GameClock, but it's greatly simplified. Then, I have a Time class which holds various times that the Update and Draw methods need to know. public class Time { public TimeSpan ElapsedVirtualTime { get; internal set; } public TimeSpan ElapsedRealTime { get; internal set; } public TimeSpan TotalVirtualTime { get; internal set; } public TimeSpan TotalRealTime { get; internal set; } internal Time() { } internal Time(TimeSpan elapsedVirtualTime, TimeSpan elapsedRealTime, TimeSpan totalVirutalTime, TimeSpan totalRealTime) { ElapsedVirtualTime = elapsedVirtualTime; ElapsedRealTime = elapsedRealTime; TotalVirtualTime = totalVirutalTime; TotalRealTime = totalRealTime; } } My main class keeps a single instance of Time, which it should constantly update during the game loop. So far, I have this: private static void Loop() { do { Clock.Tick(); Time.TotalRealTime = Clock.TotalTime; Time.ElapsedRealTime = Clock.ElapsedTime; InternalUpdate(Time); InternalDraw(Time); } while (!_exitRequested); } The real time properties of the time class turn out great. Now I'd like to get a proper update/draw loop working so that the state is updated a variable number of times per frame, but at a fixed timestep. At the same time, the Time.TotalVirtualTime and Time.ElapsedVirtualTime should be updated accordingly. In addition, I intend for this to support multiplayer in the future, in case that makes any difference to the design of the game loop. Any tips or examples on how I could go about implementing this (aside from links to articles)?

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• Play a sound based on the button pressed on the IPhone/xcode.

  - by slickplaid

  I'm trying to play a sound based on which button is pressed using AVAudioPlayer. (This is not a soundboard or fart app.) I have linked all buttons using this code in the header file: @interface appViewController : UIViewController <AVAudioPlayerDelegate> { AVAudioPlayer *player; UIButton *C4; UIButton *Bb4; UIButton *B4; UIButton *A4; UIButton *Ab4; UIButton *As4; UIButton *G3; UIButton *Gb3; UIButton *Gs3; UIButton *F3; UIButton *Fs3; UIButton *E3; UIButton *Eb3; UIButton *D3; UIButton *Db3; UIButton *Ds3; UIButton *C3; UIButton *Cs3; } @property (nonatomic, retain) AVAudioPlayer *player; @property (nonatomic, retain) IBOutlet UIButton *C4; @property (nonatomic, retain) IBOutlet UIButton *B4; @property (nonatomic, retain) IBOutlet UIButton *Bb4; @property (nonatomic, retain) IBOutlet UIButton *A4; @property (nonatomic, retain) IBOutlet UIButton *Ab4; @property (nonatomic, retain) IBOutlet UIButton *As4; @property (nonatomic, retain) IBOutlet UIButton *G3; @property (nonatomic, retain) IBOutlet UIButton *Gb3; @property (nonatomic, retain) IBOutlet UIButton *Gs3; @property (nonatomic, retain) IBOutlet UIButton *F3; @property (nonatomic, retain) IBOutlet UIButton *Fs3; @property (nonatomic, retain) IBOutlet UIButton *E3; @property (nonatomic, retain) IBOutlet UIButton *Eb3; @property (nonatomic, retain) IBOutlet UIButton *D3; @property (nonatomic, retain) IBOutlet UIButton *Db3; @property (nonatomic, retain) IBOutlet UIButton *Ds3; @property (nonatomic, retain) IBOutlet UIButton *C3; @property (nonatomic, retain) IBOutlet UIButton *Cs3; - (IBAction) playNote; @end Buttons are all linked to the event "playNote" in interfaceBuilder and each note is linked to the proper referencing outlet according to note name. All *.mp3 sound files are named after the UIButton name (IE- C3 == C3.mp3). In my implementation file, I have this to play a only one note when the C3 button is pressed: #import "sonicfitViewController.h" @implementation appViewController @synthesize C3, Cs3, D3, Ds3, Db3, E3, Eb3, F3, Fs3, G3, Gs3, A4, Ab4, As4, B4, Bb4, C4; // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { NSString *path = [[NSBundle mainBundle] pathForResource:@"3C" ofType:@"mp3"]; NSLog(@"path: %@", path); NSURL *file = [[NSURL alloc] initFileURLWithPath:path]; AVAudioPlayer *p = [[AVAudioPlayer alloc] initWithContentsOfURL:file error:nil]; [file release]; self.player = p; [p release]; [player prepareToPlay]; [player setDelegate:self]; [super viewDidLoad]; } - (IBAction) playNote { [self.player play]; } Now, with the above I have two issues: First, the NSLog reports NULL and crashes when trying to play the file. I have added the mp3's to the resources folder and they have been copied and not just linked. They are not in an subfolder under the resources folder. Secondly, how can I set it up so that when say button C3 is pressed, it plays C3.mp3 and F3 plays F3.mp3 without writing duplicate lines of code for each different button? playNote should be like NSString *path = [[NSBundle mainBundle] pathForResource:nameOfButton ofType:@"mp3"]; instead of defining it specifically (@"C3"). Is there a better way of doing this and why does the *path report NULL and crash when I load the app? I'm pretty sure it's something as simple as adding additional variable inputs to - (IBAction) playNote:buttonName and putting all the code to call AVAudioPlayer in the playNote function but I'm unsure of the code to do this.

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• terminating java applet thread on page unload

  - by Hammad Tariq

  Hello, I have got a problem here in terminating the threads. The problem is that I am using applet thread to access JS DOM and manipulate innerHTML of a span to right the Thread Name as the innerHTML. It works fine until I keep refreshing the page but if I dont give it a sleep of like 200ms and go to another page which dont have any applet on it, it will give me an error in firebug console: document.getElementById("userName") is null What I am suspecting is, although I send an interrupt on stop and I have also tried the same by setting a flag variable of running in run while loop, the thread executes much faster than the time JVM takes to unload it and I get my page changed in browser but applet is still trying to find an element with id userName. Is that true? Is there any work around of it? Is there any way to know how many threads are running at the moment? Is there any kill all command to send on destroy()? I have searched a lot, seen all the API of java threads and applets, couldn't get this to work. Below is the code: import java.applet.Applet; import netscape.javascript.*; //No need to extend JApplet, since we don't add any components; //we just paint. public class firstApplet extends Applet { /** * */ private static final long serialVersionUID = 1L; firstThread first; boolean running = false; public class firstThread extends Thread{ JSObject win; JSObject doc; firstThread second; public firstThread(JSObject window){ this.win = window; } public void run() { try{ System.out.println("running... "); while (!isInterrupted()){ doc = (JSObject) win.getMember("document"); String userName = Thread.currentThread().getName(); //String userName = "John Doe"; String S = "document.getElementById(\"userName\").innerHTML = \""+userName+"\";"; doc.eval(S); Thread.sleep(5); } }catch(Exception e){ System.out.println("exception in first thread... "); e.printStackTrace(); } } } public void init() { System.out.println("initializing... "); } public void start() { System.out.println("starting... "); JSObject window = JSObject.getWindow(this); first = new firstThread(window); first.start(); running = true; } public void stop() { first.interrupt(); first = null; System.out.println("stopping... "); } public void destroy() { if(first != null){ first = null; } System.out.println("preparing for unloading..."); } } Thanks

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• JpegBitmapEncoder.Save() throws exception when writing image with metadata to MemoryStream

  - by Dmitry

  I am trying to set up metadata on JPG image what does not have it. You can't use in-place writer (InPlaceBitmapMetadataWriter) in this case, cuz there is no place for metadata in image. If I use FileStream as output - everything works fine. But if I try to use MemoryStream as output - JpegBitmapEncoder.Save() throws an exception (Exception from HRESULT: 0xC0000005). After some investigation I also found out what encoder can save image to memory stream if I supply null instead of metadata. I've made a very simplified and short example what reproduces the problem: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; using System.Drawing; using System.Drawing.Imaging; using System.Windows.Media.Imaging; namespace JpegSaveTest { class Program { public static JpegBitmapEncoder SetUpMetadataOnStream(Stream src, string title) { uint padding = 2048; BitmapDecoder original; BitmapFrame framecopy, newframe; BitmapMetadata metadata; JpegBitmapEncoder output = new JpegBitmapEncoder(); src.Seek(0, SeekOrigin.Begin); original = JpegBitmapDecoder.Create(src, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.OnLoad); if (original.Frames[0] != null) { framecopy = (BitmapFrame)original.Frames[0].Clone(); if (original.Frames[0].Metadata != null) metadata = original.Frames[0].Metadata.Clone() as BitmapMetadata; else metadata = new BitmapMetadata("jpeg"); metadata.SetQuery("/app1/ifd/PaddingSchema:Padding", padding); metadata.SetQuery("/app1/ifd/exif/PaddingSchema:Padding", padding); metadata.SetQuery("/xmp/PaddingSchema:Padding", padding); metadata.SetQuery("System.Title", title); newframe = BitmapFrame.Create(framecopy, framecopy.Thumbnail, metadata, original.Frames[0].ColorContexts); output.Frames.Add(newframe); } else { Exception ex = new Exception("Image contains no frames."); throw ex; } return output; } public static MemoryStream SetTagsInMemory(string sfname, string title) { Stream src, dst; JpegBitmapEncoder output; src = File.Open(sfname, FileMode.Open, FileAccess.Read, FileShare.Read); output = SetUpMetadataOnStream(src, title); dst = new MemoryStream(); output.Save(dst); src.Close(); return (MemoryStream)dst; } static void Main(string[] args) { string filename = "Z:\\dotnet\\gnom4.jpg"; MemoryStream s; s = SetTagsInMemory(filename, "test title"); } } } It is simple console application. To run it, replace filename variable content with path to any .jpg file without metadata (or use mine). Ofc I can just save image to temporary file first, close it, then open and copy to MemoryStream, but its too dirty and slow workaround. Any ideas about getting this working are welcome :)

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• Android - Saving an object in onSaveInstanceState?

  - by Donal Rafferty

  I have created a small XML parsing application for Android that displays information in a listview and then allows a user to click on the list view and a dialog with further info will pop up. The problem is that when the screen orientation is changed when a dialog screen is open I get a null pointer error. The null pointer occurs on the following line: if(setting.getAddForPublicUserNames() == 1){ This line is part of my dialogPrepare method: @Override public void onPrepareDialog(int id, Dialog dialog) { switch(id) { case (SETTINGS_DIALOG) : afpunText = ""; if(setting.getAddForPublicUserNames() == 1){ afpunText = "Yes"; } else{ afpunText = "No"; } String Text = "Login Settings: " + "\n" + "Password: " + setting.getPassword() + "\n" + "Server: " + setting.getServerAddress() + "\n" + "Register: " + setting.getRegistrarAddress() + "\n" + "Realm: " + setting.getRealm() + "\n" + "Public UserNames: " + afpunText + "\n" + "Preference Settings: " + "\n" + "Request VDN: " + setting.getRequestVDN() + "\n" + "Handover Settings: " + "\n" + "Enable Handover: " + setting.getEnableHandover() + "\n" + "Hand Over Number: " + setting.getHandoverNum() + "\n"; AlertDialog settingsDialog = (AlertDialog)dialog; settingsDialog.setTitle("Auth ID: " + setting.getUserName()); tv = (TextView)settingsDialog.findViewById(R.id.detailsTextView); if (tv != null) tv.setText(Text); break; } } So the error is that my variable setting is null after the screen orientation changes. I have tried to use the onSaveInstance state methods to fix that as follows: @Override public void onSaveInstanceState(Bundle savedInstanceState) { for(int i = 0; i < settings.size(); i++){ savedInstanceState.putString("Username"+i, settings.get(i).getUserName()); savedInstanceState.putString("Password"+i, settings.get(i).getPassword()); savedInstanceState.putString("Server"+i, settings.get(i).getServerAddress()); savedInstanceState.putString("Registrar"+i, settings.get(i).getRegistrarAddress()); savedInstanceState.putString("Realm"+i, settings.get(i).getRealm()); savedInstanceState.putInt("PUserNames"+i, settings.get(i).getAddForPublicUserNames()); savedInstanceState.putString("RequestVDN"+i, settings.get(i).getRequestVDN()); savedInstanceState.putString("EnableHandOver"+i, settings.get(i).getEnableHandover()); savedInstanceState.putString("HandOverNum"+i, settings.get(i).getHandoverNum()); } super.onSaveInstanceState(savedInstanceState); } and @Override public void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); //Check to see if this is required // Restore UI state from the savedInstanceState. // This bundle has also been passed to onCreate. for(int i = 0; i<settings.size(); i++){ settings.get(i).setUserName(savedInstanceState.getString("Username"+i)); settings.get(i).setPassword(savedInstanceState.getString("Password"+i)) ; settings.get(i).setServerAddress(savedInstanceState.getString("Server"+i)); settings.get(i).setRegistrarAddress(savedInstanceState.getString("Registrar"+i)); settings.get(i).setRealm(savedInstanceState.getString("Realm"+i)); settings.get(i).setAddForPublicUserNames(savedInstanceState.getInt("PUserNames"+i)); settings.get(i).setRequestVDN(savedInstanceState.getString("RequestVDN"+i)); settings.get(i).setEnableHandover(savedInstanceState.getString("EnableHandOver"+i)); settings.get(i).setHandoverNum(savedInstanceState.getString("HandOverNum"+i)); } } However the error still remains, I think I have to save the selected setting from what was selected from the ListView? But how do I save a setting object in onSavedInstance?

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• Hosting Mercurial on IIS7

  - by Lasse V. Karlsen

  Note, this might perhaps be best suited on serverfault.com, but since it is about hosting a programmer source code repository, I am not entirely sure. I'm posting here first, trusting that it'll be migrated if necessary. I'm attempting to host clones of my Mercurial repositories on my own server (I have the main repo somewhere else), and I'm attempting to set up Mercurial under IIS. I followed the guide here, but I get an error message. Solved: See bottom of this question for details. The error message is: mercurial.error.RepoError: repository /path/to/repo/or/config not found Here's what I did. I installed Mercurial 1.5.2 I created c:\inetpub\hg I downloaded the hg source as per the instructions of the webpage, and copied the hgweb.cgi file into c:\inetpub\hg (note, the webpage says hgwebdir.cgi, but this particular file does not exist, hgweb.cgi does, however, can this be the source of the problem?) I added a hgweb.config, with the following contents: [paths] repo1 = C:/hg/** [web] style = monoblue I created c:\hg, created a sub-directory test, and created a repository inside it I installed python 2.6.5, latest 2.6 version from the website (the webpage mentions I need to install the correct version or I'll get a specific error message, since I don't get an error message that looks remotely like the one mentioned, I assume that 2.6.5 is not the problem) I added a new virtual host hg.vkarlsen.no, pointing it to c:\inetpub\hg For this host, I added a script mapping under the Handler Mappings section, mapping *.cgi to c:\python26\python.exe -u %s %s as per the instructions on the website. I then tested it by navigating to http://hg.vkarlsen.no/hgweb.cgi, but I get an error message. To make it easier to test, I dropped to a command prompt, navigated to c:\inetpub\hg, and executed the following command (error message is part of the text below): C:\inetpub\hg>c:\python26\python.exe -u hgweb.cgi Traceback (most recent call last): File "hgweb.cgi", line 16, in <module> application = hgweb(config) File "mercurial\hgweb\__init__.pyc", line 12, in hgweb File "mercurial\hgweb\hgweb_mod.pyc", line 30, in __init__ File "mercurial\hg.pyc", line 82, in repository File "mercurial\localrepo.pyc", line 2221, in instance File "mercurial\localrepo.pyc", line 62, in __init__ mercurial.error.RepoError: repository /path/to/repo/or/config not found Does anyone know what I need to look at in order to fix this? Edit: Ok, I think I managed to get one step closer to the solution, but I'm still stumped. I realized the .cgi file is a python script file, and not something compile, so I opened it for editing, and these lines was sitting in it: # Path to repo or hgweb config to serve (see 'hg help hgweb') config = "/path/to/repo/or/config" So this was my source for the specific error message. If I change the line to this: config = "c:\\hg\\test" Then I can navigate the empty repository through the Mercurial web interface. However, I want to host multiple repositories, and seeing as the line says that I can also link to a hgweb config file, I tried this: config = "c:\\inetpub\\hg\\hgweb.config" But then I get the following error message: mercurial.error.Abort: c:\inetpub\hg\hgweb.config: not a Mercurial bundle file Exception ImportError: 'No module named shutil' in <bound method bundlerepository.__del__ of <mercurial.bundlerepo.bundlerepository object at 0x0260A110>> ignored Nothing I've tried for the config variable seems to work: config = "hgweb.config" config = "c:\\hg\\hgweb.config" various other variations I don't remember. So, still stumped, pointers anyone? Solved: I ended up having to edit the hgweb.cgi file: from: from mercurial.hgweb import hgweb, wsgicgi application = hgweb(config) to: from mercurial.hgweb import hgweb, hgwebdir, wsgicgi application = hgwebdir(config) Note the added hgwebdir parts there. Here's my hgweb.config file, located in the same directory as hgweb.cgi file: [collections] C:/hg/ = C:/hg/ [web] style = gitweb This now serves my repositories successfully. Hopefully this question will give others some information if they're stumped as I was.

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• asp.net image aspect ratio help

  - by StealthRT

  Hey all, i am in need of some help with keeping an image aspect ratio in check. This is the aspx code that i have to resize and upload an image the user selects. <%@ Page Trace="False" Language="vb" aspcompat="false" debug="true" validateRequest="false"%> <%@ Import Namespace=System.Drawing %> <%@ Import Namespace=System.Drawing.Imaging %> <%@ Import Namespace=System %> <%@ Import Namespace=System.Web %> <SCRIPT LANGUAGE="VBScript" runat="server"> const Lx = 500 ' max width for thumbnails const Ly = 60 ' max height for thumbnails const upload_dir = "/uptest/" ' directory to upload file const upload_original = "sample" ' filename to save original as (suffix added by script) const upload_thumb = "thumb" ' filename to save thumbnail as (suffix added by script) const upload_max_size = 512 ' max size of the upload (KB) note: this doesn't override any server upload limits dim fileExt ' used to store the file extension (saves finding it mulitple times) dim newWidth, newHeight as integer ' new width/height for the thumbnail dim l2 ' temp variable used when calculating new size dim fileFld as HTTPPostedFile ' used to grab the file upload from the form Dim originalimg As System.Drawing.Image ' used to hold the original image dim msg ' display results dim upload_ok as boolean ' did the upload work ? </script> <% randomize() ' used to help the cache-busting on the preview images upload_ok = false if lcase(Request.ServerVariables("REQUEST_METHOD"))="post" then fileFld = request.files(0) ' get the first file uploaded from the form (note:- you can use this to itterate through more than one image) if fileFld.ContentLength > upload_max_size * 1024 then msg = "Sorry, the image must be less than " & upload_max_size & "Kb" else try originalImg = System.Drawing.Image.FromStream(fileFld.InputStream) ' work out the width/height for the thumbnail. Preserve aspect ratio and honour max width/height ' Note: if the original is smaller than the thumbnail size it will be scaled up If (originalImg.Width/Lx) > (originalImg.Width/Ly) Then L2 = originalImg.Width newWidth = Lx newHeight = originalImg.Height * (Lx / L2) if newHeight > Ly then newWidth = newWidth * (Ly / newHeight) newHeight = Ly end if Else L2 = originalImg.Height newHeight = Ly newWidth = originalImg.Width * (Ly / L2) if newWidth > Lx then newHeight = newHeight * (Lx / newWidth) newWidth = Lx end if End If Dim thumb As New Bitmap(newWidth, newHeight) 'Create a graphics object Dim gr_dest As Graphics = Graphics.FromImage(thumb) ' just in case it's a transparent GIF force the bg to white dim sb = new SolidBrush(System.Drawing.Color.White) gr_dest.FillRectangle(sb, 0, 0, thumb.Width, thumb.Height) 'Re-draw the image to the specified height and width gr_dest.DrawImage(originalImg, 0, 0, thumb.Width, thumb.Height) try fileExt = System.IO.Path.GetExtension(fileFld.FileName).ToLower() originalImg.save(Server.MapPath(upload_dir & upload_original & fileExt), originalImg.rawformat) thumb.save(Server.MapPath(upload_dir & upload_thumb & fileExt), originalImg.rawformat) msg = "Uploaded " & fileFld.FileName & " to " & Server.MapPath(upload_dir & upload_original & fileExt) upload_ok = true catch msg = "Sorry, there was a problem saving the image." end try ' Housekeeping for the generated thumbnail if not thumb is nothing then thumb.Dispose() thumb = nothing end if catch msg = "Sorry, that was not an image we could process." end try end if ' House Keeping ! if not originalImg is nothing then originalImg.Dispose() originalImg = nothing end if end if %> What i am looking for is a way to just have it go by the height of what i set it: const Ly = 60 ' max height for thumbnails And have the code for the width just be whatever. So if i had an image... say 600 x 120 (w h) and i used photoshop to change just the height, it would keep it in ratio and have it 300 x 60 (w x h). Thats what i am looking to do with this code here. However, i can not think of a way to do this (or to just leave a wildcard for the width setting. Any help would be great :o) David

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• ASP.NET resseting SessionID cookie when cookie expiration date is set

  - by Sergej Andrejev

  I have two pages: Default.aspx and WebForm1.aspx. One of these pages stores a session variable which works fine until I add code which ads expiration date to SessionID cookie. What happens is: Open default.aspx Set-Cookie ASP.NET_SessionId=14jhsdfq23jkh13jkh12k1; expires=Fri, 19-Mar-2010 07:31:47 GMT; path=/ Click on link to open WebForm1.aspx No cookies set Click on link to open Default.aspx (Cookie is reset) Set-Cookie ASP.NET_SessionId=; expires=Fri, 19-Mar-2010 07:31:47 GMT; path=/ So the question would be how should I set SessionID cookie expiration date correctly? Default.aspx.cs using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace WebApplication1 { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { lnk.Click += new EventHandler(lnk_Click); Session["t"] = Guid.NewGuid(); Response.Cookies["ASP.NET_SessionId"].Expires = DateTime.Now.AddDays(2); } void lnk_Click(object sender, EventArgs e) { Response.Redirect("WebForm1.aspx"); } } } Default.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication1._Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <asp:LinkButton runat="server" ID="lnk" Text=">>>" /> </div> </form> </body> </html> WebForm1.aspx.cs using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace WebApplication1 { public partial class WebForm1 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { lnk.Click += new EventHandler(lnk_Click); } void lnk_Click(object sender, EventArgs e) { Response.Redirect("Default.aspx"); } } } WebForm1.aspx <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication1.WebForm1" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <asp:LinkButton runat="server" ID="lnk" Text=">>>" /> </div> </form> </body> </html>

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• How to make a tree view from MySQL and PHP and jquery

  - by Mac Taylor

  hey guys i need to show a treeview of my categories , saved in my mysql database . Database table : table : cats : columns: id,name,parent Here is a sample of what I want the markup to be like: <ul id="browser" class="filetree"> <li><span class="folder">Folder 1</span> <ul> <li><span class="file">Item 1.1</span></li> </ul> </li> <li><span class="folder">Folder 2</span> <ul> <li><span class="folder">Subfolder 2.1</span> <ul id="folder21"> <li><span class="file">File 2.1.1</span></li> <li><span class="file">File 2.1.2</span></li> </ul> </li> <li><span class="file">File 2.2</span></li> </ul> </li> <li><span class="file">File 4</span></li> </ul> i used this script to show treeview : http://www.dynamicdrive.com/dynamicindex1/treeview now problem is in php part : //function to build tree menu from db table test1 function tree_set($index) { global $menu; $q=mysql_query("select * from cats where parent='$index'"); if(!mysql_num_rows($q)) return; $menu .= '<ul>'."\n"; while($arr=mysql_fetch_assoc($q)) { $menu .= '<li>'; $menu .= '<span class="file">'.$arr['name'].'</span>';//you can add another output there $menu .=tree_set("".$arr['id'].""); $menu .= '</li>'."\n"; } $menu.= '</ul>'."\n"; return $menu; } //variable $menu must be defined before the function call $menu = ' <link rel="stylesheet" href="modules/Topics/includes/jquery.treeview.css" /> <script src="modules/Topics/includes/lib/jquery.cookie.js" type="text/javascript"></script> <script src="modules/Topics/includes/jquery.treeview.js" type="text/javascript"></script> <script type="text/javascript" src="modules/Topics/includes/demo/demo.js"></script> <ul id="browser" class="filetree">'."\n"; $menu .= tree_set(0); $menu .= '</ul>'; echo $menu; i even asked in this forum : http://forums.tizag.com/showthread.php?p=60649 problem is in php part of my codes that i mentioned . i cant show sub menus , i mean , really i dont know how to show sub menus is there any chance of a pro php coder helping me here ?

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• Android webview doesn't playing mp4 video in same page

  - by user1668105

  I'm trying to show one local html file contains code for playing video and try to show that html file in android webview. I've used following code to for playing video: WebViewLoadVideoActivity.java //DECLARE webview variable outside of onCreate function so we can access it in other functions (menu) @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); WebView webView = (WebView) findViewById(R.id.webView1); WebSettings webSettings = webView.getSettings(); // Fetches the // WebSettings // import WebViewClient webViewClient = new WebViewClient(); webView.setWebViewClient(webViewClient); // Enabling mp4 webSettings.setPluginsEnabled(true); // Allows plugins to run which are // normally disabled in webView webView.getSettings().setBuiltInZoomControls(true); // Allows the // Android built in // zoom control webView.getSettings().setSaveFormData(true); webView.getSettings().setLoadsImagesAutomatically(true); webView.getSettings().setPluginsEnabled(true); webView.getSettings().setLoadsImagesAutomatically(true); webView.getSettings().setSupportMultipleWindows(true); webView.getSettings().setPluginsEnabled(true); webView.getSettings().setLightTouchEnabled(true); webView.getSettings().setAllowFileAccess(true); // To allow file // downloads/streams // such as mp4, mpeg, // and 3gp files webView.getSettings().setJavaScriptEnabled(true); // Enables HTML // Javascript to run // in webview webView.getSettings().setJavaScriptCanOpenWindowsAutomatically(true); webView.getSettings().setSupportZoom(true); // Support the zoom feature webView.getSettings().setSavePassword(true); // Allow users to save passwords in forms webView.setWebViewClient(new WebViewClient() { // Opens web links clicked by user in the webview @Override public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) { // Handle the error } @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } }); webView.loadUrl("file:///android_asset/test.html"); // test.html file from assets folder //... Rest of activity code... test.html <!DOCTYPE html> <html> <body> <video width="320" height="240" controls="controls"> <source src="http://www.w3schools.com/html/movie.mp4" type="video/mp4" /> Your browser does not support the video tag. </video> </body> </html> Problem Area : Android webview or Android Default Browser shows the video content in another video view when we click play button, My requirement is that video should be opened in same html page inline, so user can navigate to other page of webpage during video is playing or buffering. Research Area : I tried many other ways like, video tag of HTML5 embed tag of HTML object tag of HTML Other way of video player integration i checked so far but not worked in my requirement, Flare Video jplayer Please suggest me any way that can be suitable for my requirement, And my requirement is very simple as, I want to play video in html file as inline in webview widget of android. Thanks in Advance.

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• Passing integer lists in a sql query, best practices

  - by Artiom Chilaru

  I'm currently looking at ways to pass lists of integers in a SQL query, and try to decide which of them is best in which situation, what are the benefots of each, and what are the pitfalls, what should be avoided :) Right now I know of 3 ways that we currently use in our application. 1) Table valued parameter: Create a new Table Valued Parameter in sql server: CREATE TYPE [dbo].[TVP_INT] AS TABLE( [ID] [int] NOT NULL ) Then run the query against it: using (var conn = new SqlConnection(DataContext.GetDefaultConnectionString)) { var comm = conn.CreateCommand(); comm.CommandType = CommandType.Text; comm.CommandText = @" UPDATE DA SET [tsLastImportAttempt] = CURRENT_TIMESTAMP FROM [Account] DA JOIN @values IDs ON DA.ID = IDs.ID"; comm.Parameters.Add(new SqlParameter("values", downloadResults.Select(d => d.ID).ToDataTable()) { TypeName = "TVP_INT" }); conn.Open(); comm.ExecuteScalar(); } The major disadvantages of this method is the fact that Linq doesn't support table valued params (if you create an SP with a TVP param, linq won't be able to run it) :( 2) Convert the list to Binary and use it in Linq! This is a bit better.. Create an SP, and you can run it within linq :) To do this, the SP will have an IMAGE parameter, and we'll be using a user defined function (udf) to convert this to a table.. We currently have implementations of this function written in C++ and in assembly, both have pretty much the same performance :) Basically, each integer is represented by 4 bytes, and passed to the SP. In .NET we have an extension method that convers an IEnumerable to a byte array The extension method: public static Byte[] ToBinary(this IEnumerable intList) { return ToBinaryEnum(intList).ToArray(); } private static IEnumerable<Byte> ToBinaryEnum(IEnumerable<Int32> intList) { IEnumerator<Int32> marker = intList.GetEnumerator(); while (marker.MoveNext()) { Byte[] result = BitConverter.GetBytes(marker.Current); Array.Reverse(result); foreach (byte b in result) yield return b; } } The SP: CREATE PROCEDURE [Accounts-UpdateImportAttempts] @values IMAGE AS BEGIN UPDATE DA SET [tsLastImportAttempt] = CURRENT_TIMESTAMP FROM [Account] DA JOIN dbo.udfIntegerArray(@values, 4) IDs ON DA.ID = IDs.Value4 END And we can use it by running the SP directly, or in any linq query we need using (var db = new DataContext()) { db.Accounts_UpdateImportAttempts(downloadResults.Select(d => d.ID).ToBinary()); // or var accounts = db.Accounts .Where(a => db.udfIntegerArray(downloadResults.Select(d => d.ID).ToBinary(), 4) .Select(i => i.Value4) .Contains(a.ID)); } This method has the benefit of using compiled queries in linq (which will have the same sql definition, and query plan, so will also be cached), and can be used in SPs as well. Both these methods are theoretically unlimited, so you can pass millions of ints at a time :) 3) The simple linq .Contains() It's a more simple approach, and is perfect in simple scenarios. But is of course limited by this. using (var db = new DataContext()) { var accounts = db.Accounts .Where(a => downloadResults.Select(d => d.ID).Contains(a.ID)); } The biggest drawback of this method is that each integer in the downloadResults variable will be passed as a separate int.. In this case, the query is limited by sql (max allowed parameters in a sql query, which is a couple of thousand, if I remember right). So I'd like to ask.. What do you think is the best of these, and what other methods and approaches have I missed?

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• How do I use UIImagePickerController just to display the camera and not take a picture?

  - by Thomas

  Hello All: I'd like to know how to open the camera inside of a pre-defined frame (not the entire screen). When the view loads, I have a box, and inside it, I want to display what the camera sees. I don't want to snap a picture, just basically use the camera as a viewfinder. I have searched this site and have not yet found what I'm looking for. Please help. Thanks! Thomas Update 1: Here is what I have tried so far. 1.) I added UIImageView to my xib. 2.) Connect the following outlet to the UIImageView in IB IBOutlet UIImageView *cameraWindow; 3.) I put the following code in viewWillAppear -(void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; UIImagePickerController *picker = [[UIImagePickerController alloc] init]; picker.delegate = self; picker.sourceType = UIImagePickerControllerSourceTypeCamera; [self presentModalViewController:picker animated:YES]; NSLog(@"viewWillAppear ran"); } But this method does not run, as evident by the absence of NSLog statement from my console. Please help! Thanks, Thomas Update 2: OK I got it to run by putting the code in viewDidLoad but my camera still doesn't show up...any suggestions? Anyone....? I've been reading the UIImagePickerController class reference, but am kinda unsure how to make sense of it. I'm still learning iPhone, so it's a bit of a struggle. Please help! - (void)viewDidLoad { [super viewDidLoad]; // Create a bool variable "camera" and call isSourceTypeAvailable to see if camera exists on device BOOL camera = [UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]; // If there is a camera, then display the world throught the viewfinder if(camera) { UIImagePickerController *picker = [[UIImagePickerController alloc] init]; // Since I'm not actually taking a picture, is a delegate function necessary? picker.delegate = self; picker.sourceType = UIImagePickerControllerSourceTypeCamera; [self presentModalViewController:picker animated:YES]; NSLog(@"Camera is available"); } // Otherwise, do nothing. else NSLog(@"No camera available"); } Thanks! Thomas Update 3: A-HA! Found this on the Apple Class Reference. Discussion The delegate receives notifications when the user picks an image or movie, or exits the picker interface. The delegate also decides when to dismiss the picker interface, so you must provide a delegate to use a picker. If this property is nil, the picker is dismissed immediately if you try to show it. Gonna play around with the delegate now. Then I'm going to read on wtf a delegate is. Backwards? Whatever :-p Update 4: The two delegate functions for the class are – imagePickerController:didFinishPickingMediaWithInfo: – imagePickerControllerDidCancel: and since I don't actually want to pick an image or give the user the option to cancel, I am just defining the methods. They should never run though....I think.

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• Flex Error: Repeater is not executing.

  - by creativepragmatic

  Hello Everyone, I have been trying to get a Repeater to work since yesterday. It works the first time it has been loaded with data but the second time, it is loaded, the following error results with the debugger higlighting a row with the statement isHandlingEvent = false; in the watcherFired method of the Binding class. This happens whether the Repeater is updated by setting its dataProvider or if a bound variable is changed. Thank you in advance for any help, Orville Error: Repeater is not executing. at mx.core::Repeater/get currentItem()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Repeater.as:305] at ()[F:\Projects\Flex\PrintPortal\src\ch\printportal\site\view\Shop.mxml:362] at Function/http://adobe.com/AS3/2006/builtin::apply() at mx.binding::Binding/wrapFunctionCall()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\Binding.as:287] at ()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\RepeatableBinding.as:139] at Function/http://adobe.com/AS3/2006/builtin::apply() at mx.binding::Binding/wrapFunctionCall()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\Binding.as:287] at mx.binding::RepeatableBinding/recursivelyProcessIDArray()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\RepeatableBinding.as:148] at mx.binding::RepeatableBinding/execute()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\RepeatableBinding.as:105] at mx.binding::BindingManager$/executeBindings()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\BindingManager.as:138] at mx.core::Container/executeBindings()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Container.as:3252] at mx.core::Container/createComponentFromDescriptor()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Container.as:3726] at mx.core::Container/createComponentsFromDescriptors()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Container.as:3536] at mx.core::Container/createChildren()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Container.as:2632] at mx.core::UIComponent/initialize()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\UIComponent.as:5370] at mx.core::Container/initialize()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Container.as:2569] at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\UIComponent.as:5267] at mx.core::Container/http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Container.as:3348] at mx.core::Container/addChildAt()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Container.as:2260] at mx.core::Container/addChild()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Container.as:2183] at mx.core::Container/createComponentFromDescriptor()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Container.as:3724] at mx.core::Repeater/createComponentFromDescriptor()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Repeater.as:734] at mx.core::Repeater/createComponentsFromDescriptors()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Repeater.as:786] at mx.core::Repeater/recreate()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Repeater.as:1075] at mx.core::Repeater/execute()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Repeater.as:1095] at mx.core::Repeater/set dataProvider()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\core\Repeater.as:402] at ()[F:\Projects\Flex\PrintPortal\src\ch\printportal\site\view\Shop.mxml:358] at Function/http://adobe.com/AS3/2006/builtin::call() at mx.binding::Binding/innerExecute()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\Binding.as:375] at Function/http://adobe.com/AS3/2006/builtin::apply() at mx.binding::Binding/wrapFunctionCall()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\Binding.as:287] at mx.binding::Binding/execute()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\Binding.as:230] at mx.binding::Binding/watcherFired()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\Binding.as:396] at mx.binding::Watcher/notifyListeners()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\Watcher.as:299] at mx.binding::PropertyWatcher/eventHandler()[C:\autobuild\galaga\frameworks\projects\framework\src\mx\binding\PropertyWatcher.as:327] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at ch.printportal.site.model::ModelLocator/dispatchEvent()[F:\Projects\Flex\PrintPortal\src\ch\printportal\site\model\ModelLocator.as:73] at ch.printportal.site.model::ModelLocator/set arrCategoryView2Products()[F:\Projects\Flex\PrintPortal\src\ch\printportal\site\model\ModelLocator.as:71] at ch.printportal.site.command::GetProductsCommand/result()[F:\Projects\Flex\PrintPortal\src\ch\printportal\site\command\GetProductsCommand.as:47] at mx.rpc::AsyncToken/http://www.adobe.com/2006/flex/mx/internal::applyResult()[C:\autobuild\galaga\frameworks\projects\rpc\src\mx\rpc\AsyncToken.as:199] at mx.rpc.events::ResultEvent/http://www.adobe.com/2006/flex/mx/internal::callTokenResponders()[C:\autobuild\galaga\frameworks\projects\rpc\src\mx\rpc\events\ResultEvent.as:172] at mx.rpc::AbstractOperation/http://www.adobe.com/2006/flex/mx/internal::dispatchRpcEvent()[C:\autobuild\galaga\frameworks\projects\rpc\src\mx\rpc\AbstractOperation.as:199] at mx.rpc::AbstractInvoker/http://www.adobe.com/2006/flex/mx/internal::resultHandler()[C:\autobuild\galaga\frameworks\projects\rpc\src\mx\rpc\AbstractInvoker.as:263] at mx.rpc::Responder/result()[C:\autobuild\galaga\frameworks\projects\rpc\src\mx\rpc\Responder.as:46] at mx.rpc::AsyncRequest/acknowledge()[C:\autobuild\galaga\frameworks\projects\rpc\src\mx\rpc\AsyncRequest.as:74] at NetConnectionMessageResponder/resultHandler()[C:\autobuild\galaga\frameworks\projects\rpc\src\mx\messaging\channels\NetConnectionChannel.as:514] at mx.messaging::MessageResponder/result()[C:\autobuild\galaga\frameworks\projects\rpc\src\mx\messaging\MessageResponder.as:199]

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• Code that Worked with MultiView fails with Wizard ASP.NET

  - by davemackey

  I originally created a process that occurred by transitioning between views in a multiview and it worked fine. Now, I've moved this same code into a ASP.NET Wizard and it keeps throwing an error at the second step. The error is: Method 'System.Object AndObject(System.Object, System.Object)' has no supported translation to SQL. Any ideas why this would occur when moving the code into the wizard? I'm sure its something stupid, but I've checked over the code 3-4 times now and it appears identical operationally. Here is the code: ' Make sure we have the LDAP portion of the .NET Framework available. Imports System.DirectoryServices ' Allows us to interface with LDAP. Imports System.Data.Linq.SqlClient ' Allows us to use LINQ SQL Methods. Partial Public Class buildit Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load ' ******* Grab the LDAP info. for current user. Dim ID As FormsIdentity = DirectCast(User.Identity, FormsIdentity) Dim ticket As FormsAuthenticationTicket = ID.Ticket Dim adDirectory As New DirectoryEntry("LDAP://OU=[info],DC=[info],DC=[info],DC=[info]") ' We need to strip off @email.address from the ticket name, so we'll use substring to grab the first ' five characters. Dim adTicketID As String = ticket.Name.Substring(0, 5) Dim adEmployeeID As String adEmployeeID = adDirectory.Children.Find("CN=" & adTicketID).Properties("employeeID").Value ' ******* Lets make sure they have signed the housing contract and the community covenant. Dim dbContractSigs As New pcRoomOccupantsDataContext Dim pcContractSigs = From p In dbContractSigs.webContractSigs _ Where p.people_id = adEmployeeID _ Select p.res_contract, p.comm_life If pcContractSigs.Count.Equals(0) Then Response.Redirect("signcontract.aspx") Else Dim cs As String = pcContractSigs.First.res_contract.ToString Dim cos As String = pcContractSigs.First.comm_life.ToString If cs = "Y" And cos = "Y" Then ' We don't need to do anything. ' We use the else statement b/c there are multiple conditions that could occur besides "N" ' that would cause us to redirect to the signature page, whereas there is only one valid response - "Y". Else ' Redirect the individual to our contracts page. Response.Redirect("signcontract.aspx") End If End If ' ******* Now lets find out what gender that individual is. Dim dbIndividual As New pcPeopleDataContext Dim pcIndividual = From p In dbIndividual.PEOPLEs _ Join d In dbIndividual.DEMOGRAPHICs On p.PEOPLE_CODE_ID Equals d.PEOPLE_CODE_ID _ Where p.PEOPLE_ID = adEmployeeID _ Select p, d ' Make a session variable that will carry with the user throughout the session delineating gender. Session("sgender") = pcIndividual.First.d.GENDER.ToString ' Debug Code. ' Put a stop at end sub to get these values. ' Response.Write(adEmployeeID) End Sub Sub LinqDataSource1_Selecting(ByVal sender As Object, ByVal e As LinqDataSourceSelectEventArgs) ' Lets get a list of the dorms that are available for user's gender. Dim pcDorms As New pcDormsDataContext Dim selectedDorms = (From sd In pcDorms.PBU_WEB_DORMs _ Where IIf(Session("sgender").ToString = "M", sd.description = "Male", sd.description = "Female") _ Select sd.dorm_building).Distinct() e.Result = selectedDorms End Sub Public Sub Button_ItemCommand(ByVal Sender As Object, ByVal e As RepeaterCommandEventArgs) ' ******** Lets pass on the results of our query in LinqDataSource1_Selecting. Session("sdorm") = RTrim(e.CommandName) ' ******** Debug code. ' Response.Write(sDorm) End Sub Sub LinqDataSource2_Selecting(ByVal sender As Object, ByVal e As LinqDataSourceSelectEventArgs) ' ******** Get a list of rooms available in the dorm for user's gender. Dim pcDorms As New pcDormsDataContext Dim selectedDorm = (From sd In pcDorms.PBU_WEB_DORMs _ Where IIf(Session("sgender").ToString = "M", sd.description = "Male", sd.description = "Female") _ And sd.dorm_building = CStr(Session("sdorm")) _ Select sd.dorm_room) e.Result = selectedDorm End Sub Public Sub Button2_ItemCommand(ByVal Sender As Object, ByVal e As RepeaterCommandEventArgs) ' ******** Lets pass on the results of our query in LinqDataSource2_Selecting. Session("sroom") = RTrim(e.CommandName) End Sub Sub LinqDataSource3_Selecting(ByVal sender As Object, ByVal e As LinqDataSourceSelectEventArgs) ' ******** Grabs the individuals currently listed as residing in this room and displays them. Note the use of SqlMethods.Like ' for dorm_building, this is due to legacy issues where dorms sometimes have leading or trailing blank spaces. We could have ' also used Trim. Dim pcOccupants As New pcRoomOccupantsDataContext Dim roomOccupants = (From ro In pcOccupants.webResidents _ Where SqlMethods.Like(ro.dorm_building, "%" & CStr(Session("sdorm")) & "%") _ And ro.dorm_room = CStr(Session("sroom")) _ Select ro.person_name) e.Result = roomOccupants ' ******** Debug code. 'Response.Write(CStr(Session("sdorm"))) 'Response.Write(CStr(Session("sroom"))) End Sub Protected Sub Button4_Click(ByVal sender As Object, ByVal e As EventArgs) Handles Button4.Click ' ******** Reserve the room for a student. End Sub End Class

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• Hibernate : Foreign key constraint violation problem

  - by Vinze

  I have a com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException in my code (using Hibernate and Spring) and I can't figure why. My entities are Corpus and Semspace and there's a many-to-one relation from Semspace to Corpus as defined in my hibernate mapping configuration : <class name="xxx.entities.Semspace" table="Semspace" lazy="false" batch-size="30"> <id name="id" column="idSemspace" type="java.lang.Integer" unsaved-value="null"> <generator class="identity"/> </id> <property name="name" column="name" type="java.lang.String" not-null="true" unique="true" /> <many-to-one name="corpus" class="xxx.entities.Corpus" column="idCorpus" insert="false" update="false" /> [...] </class> <class name="xxx.entities.Corpus" table="Corpus" lazy="false" batch-size="30"> <id name="id" column="idCorpus" type="java.lang.Integer" unsaved-value="null"> <generator class="identity"/> </id> <property name="name" column="name" type="java.lang.String" not-null="true" unique="true" /> </class> And the Java code generating the exception is : Corpus corpus = Spring.getCorpusDAO().getCorpusById(corpusId); Semspace semspace = new Semspace(); semspace.setCorpus(corpus); semspace.setName(name); Spring.getSemspaceDAO().save(semspace); I checked and the corpus variable is not null (so it is in database as retrieved with the DAO) The full exception is : com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: Cannot add or update a child row: a foreign key constraint fails (`xxx/Semspace`, CONSTRAINT `FK4D6019AB6556109` FOREIGN KEY (`idCorpus`) REFERENCES `Corpus` (`idCorpus`)) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:931) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2941) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1623) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1715) at com.mysql.jdbc.Connection.execSQL(Connection.java:3249) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1268) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1541) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1455) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1440) at org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:102) at org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:73) at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:33) at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2158) at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2638) at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:48) at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250) at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:298) at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187) at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172) at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70) at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:535) at org.hibernate.impl.SessionImpl.save(SessionImpl.java:523) at org.hibernate.impl.SessionImpl.save(SessionImpl.java:519) at org.springframework.orm.hibernate3.HibernateTemplate$12.doInHibernate(HibernateTemplate.java:642) at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:373) at org.springframework.orm.hibernate3.HibernateTemplate.save(HibernateTemplate.java:639) at xxx.dao.impl.AbstractDAO.save(AbstractDAO.java:26) at org.apache.jsp.functions.semspaceManagement_jsp._jspService(semspaceManagement_jsp.java:218) [...] The foreign key constraint has been created (and added to database) by hibernate and I don't see where the constraint can be violated. The table are innodb and I tried to drop all tables and recreate it the problem remains... EDIT : Well I think I have a start of answer... I change the log level of hibernate to DEBUG and before it crash I have the following log insert into Semspace (name, [...]) values (?, [...]) So it looks like it does not try to insert the idCorpus and as it is not null it uses the default value "0" which does not refers to an existing entry in Corpus table...

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• TableView Cells Use Whole Screen Height

  - by Kyle

  I read through this tutorial Appcelerator: Using JSON to Build a Twitter Client and attempted to create my own simple application to interact with a Jetty server I setup running some Spring code. I basically call a get http request that gives me a bunch of contacts in JSON format. I then populate several rows with my JSON data and try to build a TableView. All of that works, however, my tableView rows take up the whole screen. Each row is one screen. I can scroll up and down and see all my data, but I'm trying to figure out what's wrong in my styling that's making the cells use the whole screen. My CSS is not great, so any help is appreciated. Thanks! Here's my js file that's loading the tableView: // create variable "win" to refer to current window var win = Titanium.UI.currentWindow; // Function loadContacts() function loadContacts() { // empty array "rowData" for table view cells var rowData = []; // create http client var loader = Titanium.Network.createHTTPClient(); // set http request method and url loader.setRequestHeader("Accept", "application/json"); loader.open("GET", "http://localhost:8080/contactsample/contacts"); // run the function when the data is ready for us to process loader.onload = function(){ Ti.API.debug("JSON Data: " + this.responseText); // evaluate json var contacts = JSON.parse(this.responseText); for(var i=0; i < contacts.length; i++) { var id = contacts[i].id; Ti.API.info("JSON Data, Row[" + i + "], ID: " + contacts[i].id); var name = contacts[i].name; Ti.API.info("JSON Data, Row[" + i + "], Name: " + contacts[i].name); var phone = contacts[i].phone; Ti.API.info("JSON Data, Row[" + i + "], Phone: " + contacts[i].phone); var address = contacts[i].address; Ti.API.info("JSON Data, Row[" + i + "], Address: " + contacts[i].address); // create row var row = Titanium.UI.createTableViewRow({ height:'auto' }); // create row's view var contactView = Titanium.UI.createView({ height:'auto', layout:'vertical', top:5, right:5, bottom:5, left:5 }); var nameLbl = Titanium.UI.createLabel({ text:name, left:5, height:24, width:236, textAlign:'left', color:'#444444', font:{ fontFamily:'Trebuchet MS', fontSize:16, fontWeight:'bold' } }); var phoneLbl = Titanium.UI.createLabel({ text: phone, top:0, bottom:2, height:'auto', width:236, textAlign:'right', font:{ fontSize:14} }); var addressLbl = Titanium.UI.createLabel({ text: address, top:0, bottom:2, height:'auto', width:236, textAlign:'right', font:{ fontSize:14} }); contactView.add(nameLbl); contactView.add(phoneLbl); contactView.add(addressLbl); row.add(contactView); row.className = "item" + i; rowData.push(row); } Ti.API.info("RowData: " + rowData); // create table view var tableView = Titanium.UI.createTableView( { data: rowData }); win.add(tableView); }; // send request loader.send(); } // get contacts loadContacts(); And here are some screens showing my problem. I tried playing with the top, bottom, right, left pixels a bit and didn't seem to be getting anywhere. All help is greatly appreciated. Thanks!

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• A little bit of Ajax goes a long way

  - by Holland

  ..except when you're having problems. My problem is this: I have a hierarchical list of categories stored in a database which I wish to output in a dropdown list. The hierarchy comes into place when the subcategories are to be displayed, which are dependent on a parent id (which equals out to the first seven or so main categories listed). My thoughts are relatively simple: when the user clicks the dynamically allocated list of main categories, they are clicking on an option tag. For each option tag, an id (i.e., the parent) is listed in the value attribute, as well as an argument which is sent to a Javascript function which then uses AJAX to get the data via PHP and sends it to my 'javascript.php' file. The file then does magic, and populates the subcategory list, which is dependent on the main category selected. I believe I have the idea down, it's just that I'm implementing the solution improperly, for some reason. Here's what I have so far: from javascript.php <script type="text/javascript" src=<?=JPATH_BASE.DS.'includes'.DS.'jquery.js';?>> var ajax = { ajax.sendAjaxData = function(method, url, dataTitle, ajaxData) { $.ajax({ type: 'post', url: "C:/wamp/www/patention/components/com_adsmanagar/views/edit/tmpl/javascript.php", data: { 'data' : ajaxData }, success: function(result){ // we have the response alert("Your request was successful." + result); }, error: function(e){ alert('Error: ' + e); } }); } ajax.printSubCategoriesOnClick = function(parent) { alert("hello world!"); ajax.sendAjaxData('post', 'javascript.php', 'data' parent); <?php $categories = $this->formData->getCategories($_POST['data']); ?> ajax.printSubCategories(<?=$categories;?>); } ajax.printSubCategories = function(categories) { var select = document.getElementById("subcategories"); for (var i = 0; i < categories.length; i++) { var opt = document.createElement("option"); opt.text = categories['name']; opt.value = categories['id']; } } } </script> the function used to populate the form data function populateCategories($parent, FormData $formData) { $categories = $formData->getCategories($parent); echo "<pre>"; print_r($categories); echo "</pre>"; foreach($categories as $section => $row){ ?> <option value=<?=$row['id'];?> onclick="ajax.printSubCategoriesOnClick(<?=$row['id']?>)"> <? echo $row['name']; ?> </option> <?php } } The problem is that when I try to do a print_r on my $_POST variable, nothing shows up. I also receive an "undefined index" error (which refers to the key I set for the data type). I'm thinking that for some reason, the data is being sent to my form.php file, or my default.php file which includes both the form.php and javascript.php files via a function. Is there something specific that I'm missing here? Just looking up basic AJAX syntax (via jQuery) hasn't helped out, unfortunately.

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• using Unity Android In a sub view and add style and actionbar

  - by aeroxr1

  I exported a simple animation from Unity3D (version 4.5) in android project. With eclipse I modified the manifest and added another activity. In this activity I put a button that it makes start the animation,and this is the result. The action bar appear in the main activity but it doesn't in the unity's activity :( This is the unity's activity's code : package com.rabidgremlin.tut.redcube; import android.app.NativeActivity; import android.content.res.Configuration; import android.graphics.PixelFormat; import android.os.Bundle; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import com.unity3d.player.UnityPlayer; public class UnityPlayerNativeActivity extends NativeActivity { protected UnityPlayer mUnityPlayer; // don't change the name of this variable; referenced from native code // Setup activity layout @Override protected void onCreate (Bundle savedInstanceState) { //requestWindowFeature(Window.FEATURE_NO_TITLE); super.onCreate(savedInstanceState); getWindow().takeSurface(null); //setTheme(android.R.style.Theme_NoTitleBar_Fullscreen); getWindow().setFormat(PixelFormat.RGB_565); mUnityPlayer = new UnityPlayer(this); /*if (mUnityPlayer.getSettings ().getBoolean ("hide_status_bar", true)) getWindow ().setFlags (WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); */ setContentView(mUnityPlayer); mUnityPlayer.requestFocus(); } // Quit Unity @Override protected void onDestroy () { mUnityPlayer.quit(); super.onDestroy(); } // Pause Unity @Override protected void onPause() { super.onPause(); mUnityPlayer.pause(); } // eliminiamo questa onResume() e proviamo a modificare la onResume() // Resume Unity @Override protected void onResume() { super.onResume(); mUnityPlayer.resume(); } // inseriamo qualche modifica qui // This ensures the layout will be correct. @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); mUnityPlayer.configurationChanged(newConfig); } // Notify Unity of the focus change. @Override public void onWindowFocusChanged(boolean hasFocus) { super.onWindowFocusChanged(hasFocus); mUnityPlayer.windowFocusChanged(hasFocus); } // For some reason the multiple keyevent type is not supported by the ndk. // Force event injection by overriding dispatchKeyEvent(). @Override public boolean dispatchKeyEvent(KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_MULTIPLE) return mUnityPlayer.injectEvent(event); return super.dispatchKeyEvent(event); } // Pass any events not handled by (unfocused) views straight to UnityPlayer @Override public boolean onKeyUp(int keyCode, KeyEvent event) { return mUnityPlayer.injectEvent(event); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { return mUnityPlayer.injectEvent(event); } @Override public boolean onTouchEvent(MotionEvent event) { return mUnityPlayer.injectEvent(event); } /*API12*/ public boolean onGenericMotionEvent(MotionEvent event) { return mUnityPlayer.injectEvent(event); } } How can I add the action bar and the style of the first activity to unity's animation activity ?

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• Xcode newb -- #include can't find my file

  - by morgancodes

  I'm trying to get a third party audio library (STK) working inside Xcode. Along with the standard .h files, many of the implementation files include a file called SKINI.msg. SKINI.msg is in the same directory as all of the header files. The header files are getting included fine, but the compiler complains that it can't find SKINI.msg. What do I need to do to get Xcode to happily include SKINI.msg? Edit: Here's the contents of SKINI.msg: /*********************************************************/ /* Definition of SKINI Message Types and Special Symbols Synthesis toolKit Instrument Network Interface These symbols should have the form: \c __SK_<name>_ where <name> is the string used in the SKINI stream. by Perry R. Cook, 1995 - 2010. */ /*********************************************************/ namespace stk { #define NOPE -32767 #define YEP 1 #define SK_DBL -32766 #define SK_INT -32765 #define SK_STR -32764 #define __SK_Exit_ 999 /***** MIDI COMPATIBLE MESSAGES *****/ /*** (Status bytes for channel=0) ***/ #define __SK_NoteOff_ 128 #define __SK_NoteOn_ 144 #define __SK_PolyPressure_ 160 #define __SK_ControlChange_ 176 #define __SK_ProgramChange_ 192 #define __SK_AfterTouch_ 208 #define __SK_ChannelPressure_ __SK_AfterTouch_ #define __SK_PitchWheel_ 224 #define __SK_PitchBend_ __SK_PitchWheel_ #define __SK_PitchChange_ 49 #define __SK_Clock_ 248 #define __SK_SongStart_ 250 #define __SK_Continue_ 251 #define __SK_SongStop_ 252 #define __SK_ActiveSensing_ 254 #define __SK_SystemReset_ 255 #define __SK_Volume_ 7 #define __SK_ModWheel_ 1 #define __SK_Modulation_ __SK_ModWheel_ #define __SK_Breath_ 2 #define __SK_FootControl_ 4 #define __SK_Portamento_ 65 #define __SK_Balance_ 8 #define __SK_Pan_ 10 #define __SK_Sustain_ 64 #define __SK_Damper_ __SK_Sustain_ #define __SK_Expression_ 11 #define __SK_AfterTouch_Cont_ 128 #define __SK_ModFrequency_ __SK_Expression_ #define __SK_ProphesyRibbon_ 16 #define __SK_ProphesyWheelUp_ 2 #define __SK_ProphesyWheelDown_ 3 #define __SK_ProphesyPedal_ 18 #define __SK_ProphesyKnob1_ 21 #define __SK_ProphesyKnob2_ 22 /*** Instrument Family Specific ***/ #define __SK_NoiseLevel_ __SK_FootControl_ #define __SK_PickPosition_ __SK_FootControl_ #define __SK_StringDamping_ __SK_Expression_ #define __SK_StringDetune_ __SK_ModWheel_ #define __SK_BodySize_ __SK_Breath_ #define __SK_BowPressure_ __SK_Breath_ #define __SK_BowPosition_ __SK_PickPosition_ #define __SK_BowBeta_ __SK_BowPosition_ #define __SK_ReedStiffness_ __SK_Breath_ #define __SK_ReedRestPos_ __SK_FootControl_ #define __SK_FluteEmbouchure_ __SK_Breath_ #define __SK_JetDelay_ __SK_FluteEmbouchure_ #define __SK_LipTension_ __SK_Breath_ #define __SK_SlideLength_ __SK_FootControl_ #define __SK_StrikePosition_ __SK_PickPosition_ #define __SK_StickHardness_ __SK_Breath_ #define __SK_TrillDepth_ 1051 #define __SK_TrillSpeed_ 1052 #define __SK_StrumSpeed_ __SK_TrillSpeed_ #define __SK_RollSpeed_ __SK_TrillSpeed_ #define __SK_FilterQ_ __SK_Breath_ #define __SK_FilterFreq_ 1062 #define __SK_FilterSweepRate_ __SK_FootControl_ #define __SK_ShakerInst_ 1071 #define __SK_ShakerEnergy_ __SK_Breath_ #define __SK_ShakerDamping_ __SK_ModFrequency_ #define __SK_ShakerNumObjects_ __SK_FootControl_ #define __SK_Strumming_ 1090 #define __SK_NotStrumming_ 1091 #define __SK_Trilling_ 1092 #define __SK_NotTrilling_ 1093 #define __SK_Rolling_ __SK_Strumming_ #define __SK_NotRolling_ __SK_NotStrumming_ #define __SK_PlayerSkill_ 2001 #define __SK_Chord_ 2002 #define __SK_ChordOff_ 2003 #define __SK_SINGER_FilePath_ 3000 #define __SK_SINGER_Frequency_ 3001 #define __SK_SINGER_NoteName_ 3002 #define __SK_SINGER_Shape_ 3003 #define __SK_SINGER_Glot_ 3004 #define __SK_SINGER_VoicedUnVoiced_ 3005 #define __SK_SINGER_Synthesize_ 3006 #define __SK_SINGER_Silence_ 3007 #define __SK_SINGER_VibratoAmt_ __SK_ModWheel_ #define __SK_SINGER_RndVibAmt_ 3008 #define __SK_SINGER_VibFreq_ __SK_Expression_ } // stk namespace And here's what the compiler said: CompileC build/StkCompile.build/Debug-iphonesimulator/StkCompile.build/Objects-normal/i386/BandedWG.o "../../../Data/study/iPhone class/stk-4.4.2/src/BandedWG.cpp" normal i386 c++ com.apple.compilers.gcc.4_2 cd /Users/morganpackard/Desktop/trashme/StkCompile setenv LANG en_US.US-ASCII setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin" /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc-4.2 -x c++ -arch i386 -fmessage-length=0 -pipe -Wno-trigraphs -fpascal-strings -fasm-blocks -O0 -Wreturn-type -Wunused-variable -D__IPHONE_OS_VERSION_MIN_REQUIRED=30000 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.1.2.sdk -fvisibility=hidden -fvisibility-inlines-hidden -mmacosx-version-min=10.5 -gdwarf-2 -iquote /Users/morganpackard/Desktop/trashme/StkCompile/build/StkCompile.build/Debug-iphonesimulator/StkCompile.build/StkCompile-generated-files.hmap -I/Users/morganpackard/Desktop/trashme/StkCompile/build/StkCompile.build/Debug-iphonesimulator/StkCompile.build/StkCompile-own-target-headers.hmap -I/Users/morganpackard/Desktop/trashme/StkCompile/build/StkCompile.build/Debug-iphonesimulator/StkCompile.build/StkCompile-all-target-headers.hmap -iquote /Users/morganpackard/Desktop/trashme/StkCompile/build/StkCompile.build/Debug-iphonesimulator/StkCompile.build/StkCompile-project-headers.hmap -F/Users/morganpackard/Desktop/trashme/StkCompile/build/Debug-iphonesimulator -I/Users/morganpackard/Desktop/trashme/StkCompile/build/Debug-iphonesimulator/include -I/Users/morganpackard/Desktop/trashme/StkCompile/build/StkCompile.build/Debug-iphonesimulator/StkCompile.build/DerivedSources/i386 -I/Users/morganpackard/Desktop/trashme/StkCompile/build/StkCompile.build/Debug-iphonesimulator/StkCompile.build/DerivedSources -include /var/folders/dx/dxSUSyOJFv0MBEh9qC1oJ++++TI/-Caches-/com.apple.Xcode.501/SharedPrecompiledHeaders/StkCompile_Prefix-bopqzvwpuyqltrdumgtjtfrjvtzb/StkCompile_Prefix.pch -c "/Users/morganpackard/Desktop/trashme/StkCompile/../../../Data/study/iPhone class/stk-4.4.2/src/BandedWG.cpp" -o /Users/morganpackard/Desktop/trashme/StkCompile/build/StkCompile.build/Debug-iphonesimulator/StkCompile.build/Objects-normal/i386/BandedWG.o /Users/morganpackard/Desktop/trashme/StkCompile/../../../Data/study/iPhone class/stk-4.4.2/src/BandedWG.cpp:33:21: error: SKINI.msg: No such file or directory /Users/morganpackard/Desktop/trashme/StkCompile/../../../Data/study/iPhone class/stk-4.4.2/src/BandedWG.cpp: In member function 'virtual void stk::BandedWG::controlChange(int, stk::StkFloat)': /Users/morganpackard/Desktop/trashme/StkCompile/../../../Data/study/iPhone class/stk-4.4.2/src/BandedWG.cpp:326: error: '__SK_BowPressure_' was not declared in this scope /Users/morganpackard/Desktop/trashme/StkCompile/../../../Data/study/iPhone class/stk-4.4.2/src/BandedWG.cpp:342: error: '__SK_AfterTouch_Cont_' was not declared in this scope /Users/morganpackard/Desktop/trashme/StkCompile/../../../Data/study/iPhone class/stk-4.4.2/src/BandedWG.cpp:349: error: '__SK_ModWheel_' was not declared in this scope /Users/morganpackard/Desktop/trashme/StkCompile/../../../Data/study/iPhone class/stk-4.4.2/src/BandedWG.cpp:357: error: '__SK_ModFrequency_' was not declared in this scope /Users/morganpackard/Desktop/trashme/StkCompile/../../../Data/study/iPhone class/stk-4.4.2/src/BandedWG.cpp:359: error: '__SK_Sustain_' was not declared in this scope /Users/morganpackard/Desktop/trashme/StkCompile/../../../Data/study/iPhone class/stk-4.4.2/src/BandedWG.cpp:363: error: '__SK_Portamento_' was not declared in this scope /Users/morganpackard/Desktop/trashme/StkCompile/../../../Data/study/iPhone class/stk-4.4.2/src/BandedWG.cpp:367: error: '__SK_ProphesyRibbon_' was not declared in this scope

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• View Generated Source (After AJAX/JavaScript) in C#

  - by Michael La Voie

  Is there a way to view the generated source of a web page (the code after all AJAX calls and JavaScript DOM manipulations have taken place) from a C# application without opening up a browser from the code? Viewing the initial page using a WebRequest or WebClient object works ok, but if the page makes extensive use of JavaScript to alter the DOM on page load, then these don't provide an accurate picture of the page. I have tried using Selenium and Watin UI testing frameworks and they work perfectly, supplying the generated source as it appears after all JavaScript manipulations are completed. Unfortunately, they do this by opening up an actual web browser, which is very slow. I've implemented a selenium server which offloads this work to another machine, but there is still a substantial delay. Is there a .Net library that will load and parse a page (like a browser) and spit out the generated code? Clearly, Google and Yahoo aren't opening up browsers for every page they want to spider (of course they may have more resources than me...). Is there such a library or am I out of luck unless I'm willing to dissect the source code of an open source browser? SOLUTION Well, thank you everyone for you're help. I have a working solution that is about 10X faster then Selenium. Woo! Thanks to this old article from beansoftware I was able to use the System.Windows.Forms.WebBrwoswer control to download the page and parse it, then give em the generated source. Even though the control is in Windows.Forms, you can still run it from Asp.Net (which is what I'm doing), just remember to add System.Window.Forms to your project references. There are two notable things about the code. First, the WebBrowser control is called in a new thread. This is because it must run on a single threaded apartment. Second, the GeneratedSource variable is set in two places. This is not due to an intelligent design decision :) I'm still working on it and will update this answer when I'm done. wb_DocumentCompleted() is called multiple times. First when the initial HTML is downloaded, then again when the first round of JavaScript completes. Unfortunately, the site I'm scraping has 3 different loading stages. 1) Load initial HTML 2) Do first round of JavaScript DOM manipulation 3) pause for half a second then do a second round of JS DOM manipulation. For some reason, the second round isn't cause by the wb_DocumentCompleted() function, but it is always caught when wb.ReadyState == Complete. So why not remove it from wb_DocumentCompleted()? I'm still not sure why it isn't caught there and that's where the beadsoftware article recommended putting it. I'm going to keep looking into it. I just wanted to publish this code so anyone who's interested can use it. Enjoy! using System.Threading; using System.Windows.Forms; public class WebProcessor { private string GeneratedSource{ get; set; } private string URL { get; set; } public string GetGeneratedHTML(string url) { URL = url; Thread t = new Thread(new ThreadStart(WebBrowserThread)); t.SetApartmentState(ApartmentState.STA); t.Start(); t.Join(); return GeneratedSource; } private void WebBrowserThread() { WebBrowser wb = new WebBrowser(); wb.Navigate(URL); wb.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler( wb_DocumentCompleted); while (wb.ReadyState != WebBrowserReadyState.Complete) Application.DoEvents(); //Added this line, because the final HTML takes a while to show up GeneratedSource= wb.Document.Body.InnerHtml; wb.Dispose(); } private void wb_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e) { WebBrowser wb = (WebBrowser)sender; GeneratedSource= wb.Document.Body.InnerHtml; } }

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• Why would autoconf/automake project link against installed library instead of local development libr

  - by Beau Simensen

  I'm creating a library libgdata that has some tests and non-installed programs. I am running into the problem that once I've installed the library once, the programs seem to be linking to the installed version and not the local version in ../src/libgdata.la any longer. What could cause this? Am I doing something horribly wrong? Here is what my test/Makefile.am looks like: INCLUDES = -I$(top_srcdir)/src/ -I$(top_srcdir)/test/ # libapiutil contains all of our dependencies! AM_CXXFLAGS = $(APIUTIL_CFLAGS) AM_LDFLAGS = $(APIUTIL_LIBS) LDADD = $(top_builddir)/src/libgdata.la noinst_PROGRAMS = gdatacalendar gdatayoutube gdatacalendar_SOURCES = gdatacalendar.cc gdatayoutube_SOURCES = gdatayoutube.cc TESTS = check_bare check_PROGRAMS = $(TESTS) check_bare_SOURCES = check_bare.cc (libapiutil is another library that has some helper stuff for dealing with libcurl and libxml++) So, for instance, if I run the tests without having installed anything, everything works fine. I can make changes locally and they are picked up by these programs right away. If I install the package, these programs will compile (it seems like it does actually look locally for the headers), but once I run the program it complains about missing symbols. As far as I can tell, it is linking against the newly built library (../src/libgdata.la) based on the make output, so I'm not sure why this would be happening. If i remove the installed files, the local changes to src/* are picked up just fine. I've included the make output for gdatacalendar below. g++ -DHAVE_CONFIG_H -I. -I.. -I../src/ -I../test/ -I/home/altern8/workspaces/4355/dev-install/include -I/usr/include/libxml++-2.6 -I/usr/lib/libxml++-2.6/include -I/usr/include/libxml2 -I/usr/include/glibmm-2.4 -I/usr/lib/glibmm-2.4/include -I/usr/include/sigc++-2.0 -I/usr/lib/sigc++-2.0/include -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -g -O2 -MT gdatacalendar.o -MD -MP -MF .deps/gdatacalendar.Tpo -c -o gdatacalendar.o gdatacalendar.cc mv -f .deps/gdatacalendar.Tpo .deps/gdatacalendar.Po /bin/bash ../libtool --tag=CXX --mode=link g++ -I/home/altern8/workspaces/4355/dev-install/include -I/usr/include/libxml++-2.6 -I/usr/lib/libxml++-2.6/include -I/usr/include/libxml2 -I/usr/include/glibmm-2.4 -I/usr/lib/glibmm-2.4/include -I/usr/include/sigc++-2.0 -I/usr/lib/sigc++-2.0/include -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -g -O2 -L/home/altern8/workspaces/4355/dev-install/lib -lapiutil -lcurl -lgssapi_krb5 -lxml++-2.6 -lxml2 -lglibmm-2.4 -lgobject-2.0 -lsigc-2.0 -lglib-2.0 -o gdatacalendar gdatacalendar.o ../src/libgdata.la mkdir .libs g++ -I/home/altern8/workspaces/4355/dev-install/include -I/usr/include/libxml++-2.6 -I/usr/lib/libxml++-2.6/include -I/usr/include/libxml2 -I/usr/include/glibmm-2.4 -I/usr/lib/glibmm-2.4/include -I/usr/include/sigc++-2.0 -I/usr/lib/sigc++-2.0/include -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -g -O2 -o .libs/gdatacalendar gdatacalendar.o -L/home/altern8/workspaces/4355/dev-install/lib /home/altern8/workspaces/4355/dev-install/lib/libapiutil.so /usr/lib/libcurl.so -lgssapi_krb5 /usr/lib/libxml++-2.6.so /usr/lib/libxml2.so /usr/lib/libglibmm-2.4.so /usr/lib/libgobject-2.0.so /usr/lib/libsigc-2.0.so /usr/lib/libglib-2.0.so ../src/.libs/libgdata.so -Wl,--rpath -Wl,/home/altern8/workspaces/4355/dev-install/lib creating gdatacalendar Help. :) UPDATE I get the following messages when I try to run the calendar program when I've added the addCommonRequestHeader() method to the Service class after I had installed the library without the addCommonRequestHeader() method. /home/altern8/workspaces/4355/libgdata/test/.libs/lt-gdatacalendar: symbol lookup error: /home/altern8/workspaces/4355/libgdata/test/.libs/lt-gdatacalendar: undefined symbol: _ZN55gdata7service7Service22addCommonRequestHeaderERKSsS4_ Eugene's suggestion to try setting the $LD_LIBRARY_PATH variable did not help. UPDATE 2 I did two tests. First, I did this after blowing away my dev-install directory (--prefix) and in that case, it creates test/.libs/lt-gdatacalendar. Once I have installed the library, though, it creates test/.libs/gdatacalendar instead. The output of ldd is the same for both with one exception: # before install # ldd test/.libs/lt-gdatacalendar libgdata.so.0 => /home/altern8/workspaces/4355/libgdata/src/.libs/libgdata.so.0 (0xb7c32000) # after install # ldd test/.libs/gdatacalendar libgdata.so.0 => /home/altern8/workspaces/4355/dev-install/lib/libgdata.so.0 (0xb7c87000) What would cause this to create lt-gdatacalendar in one case but gdatacalendar in another? The output of ldd on libgdata is: altern8@goldfrapp:~/workspaces/4355/libgdata$ ldd /home/altern8/workspaces/4355/libgdata/src/.libs/libgdata.so.0 linux-gate.so.1 => (0xb7f7c000) libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb7f3b000) libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7dec000) /lib/ld-linux.so.2 (0xb7f7d000)

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