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  • SSL Certificate only works when session active in Server 2008

    - by CodeMonkey1
    I have a web app that uses an installed certificate to send a web request to a 3rd party web service. This has worked for a long time on Windows Server 2003, but just recently we found a problem with it on 2008 installations. When logged into the server as the same user the App Pool uses, either locally or via remote desktop, the web app and it's secure 3rd party request works fine. However, when there are no user sessions open, the 3rd party request fails, as if the certificate were not attached to the web request. Any ideas?

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  • How does Google manage to serve results so fast?

    - by Quintin Par
    I am building an autocomplete functionality for my site and the Google instant results are my benchmark. When I look at Google, the 50-60 ms response time baffle me. They look insane. In comparison here’s how mine looks like. To give you an idea my results are cached on the load balancer and served from a machine that has httpd slowstart and initcwnd fixed. My site is also behind cloudflare From a server side perspective I don’t think I can do anything more. Can someone help me take this 500 ms response time to 60ms? What more should I be doing to achieve Google level performance?

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  • Creating HTML5 Offline Web Applications with ASP.NET

    - by Stephen Walther
    The goal of this blog entry is to describe how you can create HTML5 Offline Web Applications when building ASP.NET web applications. I describe the method that I used to create an offline Web application when building the JavaScript Reference application. You can read about the HTML5 Offline Web Application standard by visiting the following links: Offline Web Applications Firefox Offline Web Applications Safari Offline Web Applications Currently, the HTML5 Offline Web Applications feature works with all modern browsers with one important exception. You can use Offline Web Applications with Firefox, Chrome, and Safari (including iPhone Safari). Unfortunately, however, Internet Explorer does not support Offline Web Applications (not even IE 9). Why Build an HTML5 Offline Web Application? The official reason to build an Offline Web Application is so that you do not need to be connected to the Internet to use it. For example, you can use the JavaScript Reference Application when flying in an airplane, riding a subway, or hiding in a cave in Borneo. The JavaScript Reference Application works great on my iPhone even when I am completely disconnected from any network. The following screenshot shows the JavaScript Reference Application running on my iPhone when airplane mode is enabled (notice the little orange airplane):   Admittedly, it is becoming increasingly difficult to find locations where you can’t get Internet access. A second, and possibly better, reason to create Offline Web Applications is speed. An Offline Web Application must be downloaded only once. After it gets downloaded, all of the files required by your Web application (HTML, CSS, JavaScript, Image) are stored persistently on your computer. Think of Offline Web Applications as providing you with a super browser cache. Normally, when you cache files in a browser, the files are cached on a file-by-file basis. For each HTML, CSS, image, or JavaScript file, you specify how long the file should remain in the cache by setting cache headers. Unlike the normal browser caching mechanism, the HTML5 Offline Web Application cache is used to specify a caching policy for an entire set of files. You use a manifest file to list the files that you want to cache and these files are cached until the manifest is changed. Another advantage of using the HTML5 offline cache is that the HTML5 standard supports several JavaScript events and methods related to the offline cache. For example, you can be notified in your JavaScript code whenever the offline application has been updated. You can use JavaScript methods, such as the ApplicationCache.update() method, to update the cache programmatically. Creating the Manifest File The HTML5 Offline Cache uses a manifest file to determine the files that get cached. Here’s what the manifest file looks like for the JavaScript Reference application: CACHE MANIFEST # v30 Default.aspx # Standard Script Libraries Scripts/jquery-1.4.4.min.js Scripts/jquery-ui-1.8.7.custom.min.js Scripts/jquery.tmpl.min.js Scripts/json2.js # App Scripts App_Scripts/combine.js App_Scripts/combine.debug.js # Content (CSS & images) Content/default.css Content/logo.png Content/ui-lightness/jquery-ui-1.8.7.custom.css Content/ui-lightness/images/ui-bg_glass_65_ffffff_1x400.png Content/ui-lightness/images/ui-bg_glass_100_f6f6f6_1x400.png Content/ui-lightness/images/ui-bg_highlight-soft_100_eeeeee_1x100.png Content/ui-lightness/images/ui-icons_222222_256x240.png Content/ui-lightness/images/ui-bg_glass_100_fdf5ce_1x400.png Content/ui-lightness/images/ui-bg_diagonals-thick_20_666666_40x40.png Content/ui-lightness/images/ui-bg_gloss-wave_35_f6a828_500x100.png Content/ui-lightness/images/ui-icons_ffffff_256x240.png Content/ui-lightness/images/ui-icons_ef8c08_256x240.png Content/browsers/c8.png Content/browsers/es3.png Content/browsers/es5.png Content/browsers/ff3_6.png Content/browsers/ie8.png Content/browsers/ie9.png Content/browsers/sf5.png NETWORK: Services/EntryService.svc http://superexpert.com/resources/JavaScriptReference/ A Cache Manifest file always starts with the line of text Cache Manifest. In the manifest above, all of the CSS, image, and JavaScript files required by the JavaScript Reference application are listed. For example, the Default.aspx ASP.NET page, jQuery library, JQuery UI library, and several images are listed. Notice that you can add comments to a manifest by starting a line with the hash character (#). I use comments in the manifest above to group JavaScript and image files. Finally, notice that there is a NETWORK: section of the manifest. You list any file that you do not want to cache (any file that requires network access) in this section. In the manifest above, the NETWORK: section includes the URL for a WCF Service named EntryService.svc. This service is called to get the JavaScript entries displayed by the JavaScript Reference. There are two important things that you need to be aware of when using a manifest file. First, all relative URLs listed in a manifest are resolved relative to the manifest file. The URLs listed in the manifest above are all resolved relative to the root of the application because the manifest file is located in the application root. Second, whenever you make a change to the manifest file, browsers will download all of the files contained in the manifest (all of them). For example, if you add a new file to the manifest then any browser that supports the Offline Cache standard will detect the change in the manifest and download all of the files listed in the manifest automatically. If you make changes to files in the manifest (for example, modify a JavaScript file) then you need to make a change in the manifest file in order for the new version of the file to be downloaded. The standard way of updating a manifest file is to include a comment with a version number. The manifest above includes a # v30 comment. If you make a change to a file then you need to modify the comment to be # v31 in order for the new file to be downloaded. When Are Updated Files Downloaded? When you make changes to a manifest, the changes are not reflected the very next time you open the offline application in your web browser. Your web browser will download the updated files in the background. This can be very confusing when you are working with JavaScript files. If you make a change to a JavaScript file, and you have cached the application offline, then the changes to the JavaScript file won’t appear when you reload the application. The HTML5 standard includes new JavaScript events and methods that you can use to track changes and make changes to the Application Cache. You can use the ApplicationCache.update() method to initiate an update to the application cache and you can use the ApplicationCache.swapCache() method to switch to the latest version of a cached application. My heartfelt recommendation is that you do not enable your application for offline storage until after you finish writing your application code. Otherwise, debugging the application can become a very confusing experience. Offline Web Applications versus Local Storage Be careful to not confuse the HTML5 Offline Web Application feature and HTML5 Local Storage (aka DOM storage) feature. The JavaScript Reference Application uses both features. HTML5 Local Storage enables you to store key/value pairs persistently. Think of Local Storage as a super cookie. I describe how the JavaScript Reference Application uses Local Storage to store the database of JavaScript entries in a separate blog entry. Offline Web Applications enable you to store static files persistently. Think of Offline Web Applications as a super cache. Creating a Manifest File in an ASP.NET Application A manifest file must be served with the MIME type text/cache-manifest. In order to serve the JavaScript Reference manifest with the proper MIME type, I added two files to the JavaScript Reference Application project: Manifest.txt – This text file contains the actual manifest file. Manifest.ashx – This generic handler sends the Manifest.txt file with the MIME type text/cache-manifest. Here’s the code for the generic handler: using System.Web; namespace JavaScriptReference { public class Manifest : IHttpHandler { public void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/cache-manifest"; context.Response.WriteFile(context.Server.MapPath("Manifest.txt")); } public bool IsReusable { get { return false; } } } } The Default.aspx file contains a reference to the manifest. The opening HTML tag in the Default.aspx file looks like this: <html manifest="Manifest.ashx"> Notice that the HTML tag contains a manifest attribute that points to the Manifest.ashx generic handler. Internet Explorer simply ignores this attribute. Every other modern browser will download the manifest when the Default.aspx page is requested. Seeing the Offline Web Application in Action The experience of using an HTML5 Web Application is different with different browsers. When you first open the JavaScript Reference application with Firefox, you get the following warning: Notice that you are provided with the choice of whether you want to use the application offline or not. Browsers other than Firefox, such as Chrome and Safari, do not provide you with this choice. Chrome and Safari will create an offline cache automatically. If you click the Allow button then Firefox will download all of the files listed in the manifest. You can view the files contained in the Firefox offline application cache by typing about:cache in the Firefox address bar: You can view the actual items being cached by clicking the List Cache Entries link: The Offline Web Application experience is different in the case of Google Chrome. You can view the entries in the offline cache by opening the Developer Tools (hit Shift+CTRL+I), selecting the Storage tab, and selecting Application Cache: Notice that you view the status of the Application Cache. In the screen shot above, the status is UNCACHED which means that the files listed in the manifest have not been downloaded and cached yet. The different possible values for the status are included in the HTML5 Offline Web Application standard: UNCACHED – The Application Cache has not been initialized. IDLE – The Application Cache is not currently being updated. CHECKING – The Application Cache is being fetched and checked for updates. DOWNLOADING – The files in the Application Cache are being updated. UPDATEREADY – There is a new version of the Application. OBSOLETE – The contents of the Application Cache are obsolete. Summary In this blog entry, I provided a description of how you can use the HTML5 Offline Web Application feature in the context of an ASP.NET application. I described how this feature is used with the JavaScript Reference Application to store the entire application on a user’s computer. By taking advantage of this new feature of the HTML5 standard, you can improve the performance of your ASP.NET web applications by requiring users of your web application to download your application once and only once. Furthermore, you can enable users to take advantage of your applications anywhere -- regardless of whether or not they are connected to the Internet.

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  • Overriding the save() method of a model that uses django-mptt

    - by saturdayplace
    I've been using django-mptt in my project for a while now, it's fabulous. Recently, I've found a need to override a model's save() method that uses mptt, and I'm getting an error when I try to save a new instance of that model: Exception Type: ValueError at /admin/scrivener/page/add/ Exception Value: Cannot use None as a query value I'm assuming that this is a result of the fact that the instance hasn't been stuck into a tree yet, but I'm not sure how to go about fixing this. I added a comment about it onto a similar issue on the project's tracker, but I was hoping that someone here might be able to put me on the right track faster. Here's the traceback. Environment: Request Method: POST Request URL: http://localhost:8000/admin/scrivener/page/add/ Django Version: 1.2 rc 1 SVN-13117 Python Version: 2.6.4 Installed Applications: ['django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.sites', 'django.contrib.admin', 'django.contrib.sitemaps', 'mptt', 'filebrowser', 'south', 'haystack', 'django_static', 'etc', 'scrivener', 'gregor', 'annunciator'] Installed Middleware: ('django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware') Traceback: File "B:\django-apps\3rd Party Source\django\core\handlers\base.py" in get_response 100. response = callback(request, *callback_args, **callback_kwargs) File "B:\django-apps\3rd Party Source\django\contrib\admin\options.py" in wrapper 239. return self.admin_site.admin_view(view)(*args, **kwargs) File "B:\django-apps\3rd Party Source\django\utils\decorators.py" in _wrapped_view 74. response = view_func(request, *args, **kwargs) File "B:\django-apps\3rd Party Source\django\views\decorators\cache.py" in _wrapped_view_func 69. response = view_func(request, *args, **kwargs) File "B:\django-apps\3rd Party Source\django\contrib\admin\sites.py" in inner 190. return view(request, *args, **kwargs) File "B:\django-apps\3rd Party Source\django\utils\decorators.py" in _wrapper 21. return decorator(bound_func)(*args, **kwargs) File "B:\django-apps\3rd Party Source\django\utils\decorators.py" in _wrapped_view 74. response = view_func(request, *args, **kwargs) File "B:\django-apps\3rd Party Source\django\utils\decorators.py" in bound_func 17. return func(self, *args2, **kwargs2) File "B:\django-apps\3rd Party Source\django\db\transaction.py" in _commit_on_success 299. res = func(*args, **kw) File "B:\django-apps\3rd Party Source\django\contrib\admin\options.py" in add_view 795. self.save_model(request, new_object, form, change=False) File "B:\django-apps\3rd Party Source\django\contrib\admin\options.py" in save_model 597. obj.save() File "B:\django-apps\scrivener\models.py" in save 205. self.url = self.get_absolute_url() File "B:\django-apps\3rd Party Source\django\utils\functional.py" in _curried 55. return _curried_func(*(args+moreargs), **dict(kwargs, **morekwargs)) File "B:\django-apps\3rd Party Source\django\db\models\base.py" in get_absolute_url 940. return settings.ABSOLUTE_URL_OVERRIDES.get('%s.%s' % (opts.app_label, opts.module_name), func)(self, *args, **kwargs) File "B:\django-apps\3rd Party Source\django\db\models\__init__.py" in inner 31. bits = func(*args, **kwargs) File "B:\django-apps\scrivener\models.py" in get_absolute_url 194. for ancestor in self.get_ancestors(): File "B:\django-apps\3rd Party Source\mptt\models.py" in get_ancestors 23. opts.tree_id_attr: getattr(self, opts.tree_id_attr), File "B:\django-apps\3rd Party Source\django\db\models\manager.py" in filter 141. return self.get_query_set().filter(*args, **kwargs) File "B:\django-apps\3rd Party Source\django\db\models\query.py" in filter 550. return self._filter_or_exclude(False, *args, **kwargs) File "B:\django-apps\3rd Party Source\django\db\models\query.py" in _filter_or_exclude 568. clone.query.add_q(Q(*args, **kwargs)) File "B:\django-apps\3rd Party Source\django\db\models\sql\query.py" in add_q 1131. can_reuse=used_aliases) File "B:\django-apps\3rd Party Source\django\db\models\sql\query.py" in add_filter 1000. raise ValueError("Cannot use None as a query value") Exception Type: ValueError at /admin/scrivener/page/add/ Exception Value: Cannot use None as a query value

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  • jqGrid: sort by index

    - by David__
    I am having trouble getting a column to sort by an index other than the 'name' value. In this case I am trying to sort the aggregation type column (values are days of the week) by the week order, rather than alphanumeric order. To do this I added an index column ('Aggregation type-index') that has the days of week an integers. However with this configuration, it fails to sort that column by index or name. Can someone point me the err in my ways? I posted all the js and css that is on the page, because I am also having two other issues, that if you notice the problem great, otherwise I'll keep hunting. I want to be able to enable the column reodering and be able to resize the grid (Both shown at http://trirand.com/blog/jqgrid/jqgrid.html under the new in 3.6 tab). Both options are not working either. <link rel="stylesheet" type="text/css" href="/static/latest_ui/themes/base/jquery.ui.all.css"/> <link rel="stylesheet" type="text/css" media="print" href="/static/css/print.css"/> <script src="/static/js/jquery-1.7.2.min.js" type="text/javascript"></script> <script src="/static/latest_ui/ui/jquery.ui.core.js"></script> <script src="/static/latest_ui/ui/jquery.ui.widget.js"></script> <script src="/static/latest_ui/ui/jquery.ui.position.js"></script> <script src="/static/latest_ui/ui/jquery.ui.button.js"></script> <script src="/static/latest_ui/ui/jquery.ui.menu.js"></script> <script src="/static/latest_ui/ui/jquery.ui.menubar.js"></script> <script src="/static/latest_ui/ui/jquery.ui.tabs.js"></script> <script src="/static/latest_ui/ui/jquery.ui.datepicker.js"></script> <script src="/static/js/custom.js"></script> <link rel="stylesheet" type="text/css" media="all" href="/static/css/custom_style.css" /> <link rel="stylesheet" type="text/css" media="all" href="/static/css/custom_colors.css" /> <link rel="stylesheet" type="text/css" media="screen" href="/static/css/ui.jqgrid.css" /> <body> <table id="grid_reports"></table> <div id='pager'></div> </body> <script src="/static/latest_ui/ui/jquery.ui.resizable.js"></script> <script src="/static/latest_ui/ui/jquery.ui.sortable.js"></script> <script src="/static/js/grid.locale-en.js" type="text/javascript"></script> <script src="/static/js/jquery.jqGrid.min.js" type="text/javascript"></script> <script src="/static/js/jqGrid_src/grid.jqueryui.js"></script> <script> $(function() { jQuery("#grid_reports").jqGrid({ sortable: true, datatype: "local", height: 500, width: 300, colNames:['Series', 'Agg Type', 'Days'], colModel:[{'index': 'By series', 'align': 'left', 'sorttype': 'text', 'name': 'By series', 'width': 65}, {'index': 'Aggregation type-index', 'align': 'left', 'sorttype': 'int', 'name': 'Aggregation type', 'width': 75}, {'index': 'Days since event', 'align': 'center', 'sorttype': 'text', 'name': 'Days since event', 'width': 50}], rowNum:50, pager: '#pager', sortname: 'Aggregation type', sortorder: 'desc', altRows: true, rowList:[20,50,100,500,10000], viewrecords: true, gridview: true, caption: "Report for 6/19/12" }); jQuery("#grid_reports").navGrid("#pager",{edit:false,add:false,del:false}); jQuery("#grid_reports").jqGrid('gridResize',{minWidth:60,maxWidth:2500,minHeight:80, maxHeight:2500}); var mydata = [{'Days since event': 132, 'Aggregation type': 'Date=Fri', 'By series': 'mean', 'Aggregation type-index': 5}, {'DIM at event': 178, 'Aggregation type': 'Date=Thu', 'By series': 'mean', 'Aggregation type-index': 4}, {'DIM at event': 172, 'Aggregation type': 'Date=Wed', 'By series': 'mean', 'Aggregation type-index': 3}, {'DIM at event': 146, 'Aggregation type': 'Date=Tue', 'By series': 'mean', 'Aggregation type-index': 2}, {'DIM at event': 132, 'Aggregation type': 'Date=Sat', 'By series': 'mean', 'Aggregation type-index': 6}, {'DIM at event': 162, 'Aggregation type': 'Date=Mon', 'By series': 'mean', 'Aggregation type-index': 1}, {'DIM at event': 139, 'Aggregation type': 'Date=Sun', 'By series': 'mean', 'Aggregation type-index': 0}]; for(var i=0;i<=mydata.length;i++) jQuery("#grid_reports").jqGrid('addRowData',i+1,mydata[i]); }); </script>

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  • UI android question/problem with Listview

    - by user309554
    Hi, I'm trying to recreate the UI screen called 'My Places' that is used in the Weather Channel app. I'd attach a screenshot of the screen, but I can't seem to do it here. It seems they're using two listviews one on top of the other, but I'm not sure for certain. Could anybody confirm this for me? If they are doing this, how is this done? I've tried to implement this, but without full success. My top listview 'Add a place' 'comes up correctly, but the bottom listview will not appear/populate for me? I shall attach my code so far...... Any help would be greatly appreciated. Thanks Simon header_row.xml ?xml version="1.0" encoding="utf-8"? LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" ImageView android:id="@+id/icon" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_marginRight="6dip" android:src="@drawable/ic_menu_add" / LinearLayout android:orientation="vertical" android:layout_width="0dip" android:layout_weight="1" android:layout_height="fill_parent" TextView android:id="@+id/caption" android:layout_width="fill_parent" android:layout_height="0dip" android:layout_weight="1" android:gravity="center_vertical" android:text="Add a place"/ /LinearLayout /LinearLayout main.xml ?xml version="1.0" encoding="utf-8"? LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="?android:attr/listPreferredItemHeight" android:padding="6dip" ListView android:id="@+id/header" android:layout_width="wrap_content" android:layout_height="wrap_content"/ LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content" ListView android:id="@+id/list" android:layout_width="fill_parent" android:layout_height="wrap_content"/ /LinearLayout /LinearLayout public class ListViewTest extends Activity { private static String[] items={"lorem", "ipsum", "dolor", "sit", "amet", "consectetuer", "adipiscing", "elit", "morbi", "vel", "ligula", "vitae", "arcu", "aliquet", "mollis", "etiam", "vel", "erat", "placerat", "ante", "porttitor", "sodales", "pellentesque", "augue", "purus"}; private ListView Header; private ListView List; private ArrayList caption = null; private CaptionAdapter adapter; private ArrayAdapter listAdapter; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); caption = new ArrayList(); Caption cap = new Caption(); cap.setCaption("Add a place"); caption.add(cap); this.adapter = new CaptionAdapter(this, R.layout.header_row, caption); Header = (ListView) findViewById(R.id.header); Header.setAdapter(adapter); //Log.d("ListViewTest", "caption size is:" + caption.size()); adapter.notifyDataSetChanged(); List = (ListView) findViewById(R.id.list); listAdapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, items); List.setAdapter(listAdapter); listAdapter.notifyDataSetChanged(); //setListAdapter(new ArrayAdapter(this, //android.R.layout.simple_list_item_1, //items)); } private class CaptionAdapter extends ArrayAdapter { private ArrayList caption; public CaptionAdapter(Context context, int textViewResourceId, ArrayList caption) { super(context, textViewResourceId, caption); this.caption = caption; } @Override public View getView(int position, View convertView, ViewGroup parent) { View v = convertView; if (v == null) { LayoutInflater vi = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE); v = vi.inflate(R.layout.header_row, null); } Caption c = caption.get(position); if (c != null) { TextView caption = (TextView) v.findViewById(R.id.caption); if (caption != null) { caption.setText(c.getCaption()); } } return v; } } }

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  • UI not updated while using ProgressMonitorInputStream in Swing to monitor compressed file decompress

    - by Bozhidar Batsov
    I'm working on swing application that relies on an embedded H2 database. Because I don't want to bundle the database with the app(the db is frequently updated and I want new users of the app to start with a recent copy), I've implemented a solution which downloads a compressed copy of the db the first time the application is started and extracts it. Since the extraction process might be slow I've added a ProgressMonitorInputStream to show to progress of the extraction process - unfortunately when the extraction starts, the progress dialog shows up but it's not updated at all. It seems like to events are getting through to the event dispatch thread. Here is the method: public static String extractDbFromArchive(String pathToArchive) { if (SwingUtilities.isEventDispatchThread()) { System.out.println("Invoking on event dispatch thread"); } // Get the current path, where the database will be extracted String currentPath = System.getProperty("user.home") + File.separator + ".spellbook" + File.separator; LOGGER.info("Current path: " + currentPath); try { //Open the archive FileInputStream archiveFileStream = new FileInputStream(pathToArchive); // Read two bytes from the stream before it used by CBZip2InputStream for (int i = 0; i < 2; i++) { archiveFileStream.read(); } // Open the gzip file and open the output file CBZip2InputStream bz2 = new CBZip2InputStream(new ProgressMonitorInputStream( null, "Decompressing " + pathToArchive, archiveFileStream)); FileOutputStream out = new FileOutputStream(ARCHIVED_DB_NAME); LOGGER.info("Decompressing the tar file..."); // Transfer bytes from the compressed file to the output file byte[] buffer = new byte[1024]; int len; while ((len = bz2.read(buffer)) > 0) { out.write(buffer, 0, len); } // Close the file and stream bz2.close(); out.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException ex) { ex.printStackTrace(); } try { TarInputStream tarInputStream = null; TarEntry tarEntry; tarInputStream = new TarInputStream(new ProgressMonitorInputStream( null, "Extracting " + ARCHIVED_DB_NAME, new FileInputStream(ARCHIVED_DB_NAME))); tarEntry = tarInputStream.getNextEntry(); byte[] buf1 = new byte[1024]; LOGGER.info("Extracting tar file"); while (tarEntry != null) { //For each entry to be extracted String entryName = currentPath + tarEntry.getName(); entryName = entryName.replace('/', File.separatorChar); entryName = entryName.replace('\\', File.separatorChar); LOGGER.info("Extracting entry: " + entryName); FileOutputStream fileOutputStream; File newFile = new File(entryName); if (tarEntry.isDirectory()) { if (!newFile.mkdirs()) { break; } tarEntry = tarInputStream.getNextEntry(); continue; } fileOutputStream = new FileOutputStream(entryName); int n; while ((n = tarInputStream.read(buf1, 0, 1024)) > -1) { fileOutputStream.write(buf1, 0, n); } fileOutputStream.close(); tarEntry = tarInputStream.getNextEntry(); } tarInputStream.close(); } catch (Exception e) { } currentPath += "db" + File.separator + DB_FILE_NAME; if (!currentPath.isEmpty()) { LOGGER.info("DB placed in : " + currentPath); } return currentPath; } This method gets invoked on the event dispatch thread (SwingUtilities.isEventDispatchThread() returns true) so the UI components should be updated. I haven't implemented this as an SwingWorker since I need to wait for the extraction anyways before I can proceed with the initialization of the program. This method get invoked before the main JFrame of the application is visible. I don't won't a solution based on SwingWorker + property changed listeners - I think that the ProgressMonitorInputStream is exactly what I need, but I guess I'm not doing something right. I'm using Sun JDK 1.6.18. Any help would be greatly appreciated.

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  • Android: Programatically Add UI Elements to a View

    - by Shivan Raptor
    My view is written as follow: package com.mycompany; import android.view.View; import java.util.concurrent.TimeUnit; import java.util.ArrayList; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.util.AttributeSet; import android.graphics.Paint; import android.graphics.Point; import android.hardware.Sensor; import android.hardware.SensorEvent; import android.hardware.SensorEventListener; import android.hardware.SensorManager; import android.widget.*; public class GameEngineView extends View implements SensorEventListener { GameLoop gameloop; String txt_acc; float accY; ArrayList<Point> bugPath; private SensorManager sensorManager; private class GameLoop extends Thread { private volatile boolean running = true; public void run() { while (running) { try { TimeUnit.MILLISECONDS.sleep(1); postInvalidate(); pause(); } catch (InterruptedException ex) { running = false; } } } public void pause() { running = false; } public void start() { running = true; run(); } public void safeStop() { running = false; interrupt(); } } public void unload() { gameloop.safeStop(); } public GameEngineView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); // TODO Auto-generated constructor stub init(context); } public GameEngineView(Context context, AttributeSet attrs) { super(context, attrs); // TODO Auto-generated constructor stub init(context); } public GameEngineView(Context context) { super(context); // TODO Auto-generated constructor stub init(context); } private void init(Context context) { txt_acc = ""; // Adding SENSOR sensorManager=(SensorManager)context.getSystemService(Context.SENSOR_SERVICE); // add listener. The listener will be HelloAndroid (this) class sensorManager.registerListener(this, sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_NORMAL); // Adding UI Elements : How ? Button btn_camera = new Button(context); btn_camera.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, LinearLayout.LayoutParams.FILL_PARENT)); btn_camera.setClickable(true); btn_camera.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { System.out.println("clicked the camera."); } }); gameloop = new GameLoop(); gameloop.run(); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { // TODO Auto-generated method stub //super.onMeasure(widthMeasureSpec, heightMeasureSpec); System.out.println("Width " + widthMeasureSpec); setMeasuredDimension(widthMeasureSpec, heightMeasureSpec); } @Override protected void onDraw(Canvas canvas) { // TODO Auto-generated method stub // super.onDraw(canvas); Paint p = new Paint(); p.setColor(Color.WHITE); p.setStyle(Paint.Style.FILL); p.setAntiAlias(true); p.setTextSize(30); canvas.drawText("|[ " + txt_acc + " ]|", 50, 500, p); gameloop.start(); } public void onAccuracyChanged(Sensor sensor,int accuracy){ } public void onSensorChanged(SensorEvent event){ if(event.sensor.getType()==Sensor.TYPE_ACCELEROMETER){ //float x=event.values[0]; accY =event.values[1]; //float z=event.values[2]; txt_acc = "" + accY; } } } I would like to add a Button to the scene, but I don't know how to. Can anybody give me some lights? UPDATE: Here is my Activity : public class MyActivity extends Activity { private GameEngineView gameEngine; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // add Game Engine gameEngine = new GameEngineView(this); setContentView(gameEngine); gameEngine.requestFocus(); } }

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  • Rotating images makes ui slow

    - by 5w4rley
    i'm trying to implement kind of speedometer. i'm getting informations about rounds per minute, boost and load of an engine over bluetooth and i try to display them on the screen witch 3 arrows witch should point in the right direktion. i tried to use a rotate animation evry time i get data(10-100ms) to setup the arrows. but that makes my ui extremly slow. 500ms to react on a buttonclick. Doese someone know how to make it work better? source code: public void setTacho() { //rotate Tachonadel Rpmcurrentdegree=Rpmcurrentdegree+Rpmdegree; Rpmdegree=((rpms-lastrpm)*RPMtoDegree); RpmAnim=new RotateAnimation((float)Rpmcurrentdegree, (float)Rpmdegree, ivNadel.getWidth()/2, ivNadel.getHeight()/2); RpmAnim.setFillEnabled(true); RpmAnim.setFillAfter(true); ivNadel.setAnimation(RpmAnim); RpmAnim.start(); //rotate Boostbalken currentBoostDegree=currentBoostDegree+BoostDegree; BoostDegree=(boost-lastBoost)*BOOSTtoDegree; //rotate Loadbalken currentLoadDegree=currentLoadDegree+LoadDegree; LoadDegree=(load-lastLoad)*LOADtoDegree; BoostAnim=new RotateAnimation((float)-currentBoostDegree, (float)-BoostDegree, ivBoost.getWidth()/2, ivBoost.getHeight()/2); BoostAnim.setFillEnabled(true); BoostAnim.setFillAfter(true); ivBoost.setAnimation(BoostAnim); BoostAnim.start(); LoadAnim=new RotateAnimation((float)currentLoadDegree, (float)LoadDegree, ivLoad.getWidth()/2, ivLoad.getHeight()/2); LoadAnim.setFillEnabled(true); LoadAnim.setFillAfter(true); ivLoad.setAnimation(LoadAnim); LoadAnim.start(); } when i try to make the rotation only if the values have changed then it works only while they are changing but if they aren't the arrows jump back to the zero position. isnt setfillafter to tell the image that it should hold the new position? code: public void setTacho() { //rotate Tachonadel Rpmcurrentdegree=Rpmcurrentdegree+Rpmdegree; Rpmdegree=((rpms-lastrpm)*RPMtoDegree); if(Rpmdegree!=0) { RpmAnim=new RotateAnimation((float)Rpmcurrentdegree, (float)Rpmdegree, ivNadel.getWidth()/2, ivNadel.getHeight()/2); RpmAnim.setFillEnabled(true); RpmAnim.setFillAfter(true); ivNadel.setAnimation(RpmAnim); RpmAnim.start(); } //rotate Boostbalken currentBoostDegree=currentBoostDegree+BoostDegree; BoostDegree=(boost-lastBoost)*BOOSTtoDegree; //rotate Loadbalken currentLoadDegree=currentLoadDegree+LoadDegree; LoadDegree=(load-lastLoad)*LOADtoDegree; if(BoostDegree!=0) { BoostAnim=new RotateAnimation((float)-currentBoostDegree, (float)-BoostDegree, ivBoost.getWidth()/2, ivBoost.getHeight()/2); BoostAnim.setFillEnabled(true); BoostAnim.setFillAfter(true); ivBoost.setAnimation(BoostAnim); BoostAnim.start(); } if(LoadDegree!=0) { LoadAnim=new RotateAnimation((float)currentLoadDegree, (float)LoadDegree, ivLoad.getWidth()/2, ivLoad.getHeight()/2); LoadAnim.setFillEnabled(true); LoadAnim.setFillAfter(true); ivLoad.setAnimation(LoadAnim); LoadAnim.start(); } } i don't get it =( thx 4 help EDIT: part of the bluetooth Thread that calls the callback while (run) { try { bytes = mmInStream.read(buffer); if (connection.btCallback != null) { connection.btCallback.getData(buffer,bytes); } } catch (IOException e) { break; } the callback methode of the bluetooth thread: public void getData(byte[] bytes, int len) { setTacho(); }

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  • Django app that can provide user friendly, multiple / mass file upload functionality to other apps

    - by hopla
    Hi, I'm going to be honest: this is a question I asked on the Django-Users mailinglist last week. Since I didn't get any replies there yet, I'm reposting it on Stack Overflow in the hope that it gets more attention here. I want to create an app that makes it easy to do user friendly, multiple / mass file upload in your own apps. With user friendly I mean upload like Gmail, Flickr, ... where the user can select multiple files at once in the browse file dialog. The files are then uploaded sequentially or in parallel and a nice overview of the selected files is shown on the page with a progress bar next to them. A 'Cancel' upload button is also a possible option. All that niceness is usually solved by using a Flash object. Complete solutions are out there for the client side, like: SWFUpload http://swfupload.org/ , FancyUpload http://digitarald.de/project/fancyupload/ , YUI 2 Uploader http://developer.yahoo.com/yui/uploader/ and probably many more. Ofcourse the trick is getting those solutions integrated in your project. Especially in a framework like Django, double so if you want it to be reusable. So, I have a few ideas, but I'm neither an expert on Django nor on Flash based upload solutions. I'll share my ideas here in the hope of getting some feedback from more knowledgeable and experienced people. (Or even just some 'I want this too!' replies :) ) You will notice that I make a few assumptions: this is to keep the (initial) scope of the application under control. These assumptions are of course debatable: All right, my idea's so far: If you want to mass upload multiple files, you are going to have a model to contain each file in. I.e. the model will contain one FileField or one ImageField. Models with multiple (but ofcourse finite) amount of FileFields/ ImageFields are not in need of easy mass uploading imho: if you have a model with 100 FileFields you are doing something wrong :) Examples where you would want my envisioned kind of mass upload: An app that has just one model 'Brochure' with a file field, a title field (dynamically created from the filename) and a date_added field. A photo gallery app with models 'Gallery' and 'Photo'. You pick a Gallery to add pictures to, upload the pictures and new Photo objects are created and foreign keys set to the chosen Gallery. It would be nice to be able to configure or extend the app for your favorite Flash upload solution. We can pick one of the three above as a default, but implement the app so that people can easily add additional implementations (kinda like Django can use multiple databases). Let it be agnostic to any particular client side solution. If we need to pick one to start with, maybe pick the one with the smallest footprint? (smallest download of client side stuff) The Flash based solutions asynchronously (and either sequentially or in parallel) POST the files to a url. I suggest that url to be local to our generic app (so it's the same for every app where you use our app in). That url will go to a view provided by our generic app. The view will do the following: create a new model instance, add the file, OPTIONALLY DO EXTRA STUFF and save the instance. DO EXTRA STUFF is code that the app that uses our app wants to run. It doesn't have to provide any extra code, if the model has just a FileField/ImageField the standard view code will do the job. But most app will want to do extra stuff I think, like filling in the other fields: title, date_added, foreignkeys, manytomany, ... I have not yet thought about a mechanism for DO EXTRA STUFF. Just wrapping the generic app view came to mind, but that is not developer friendly, since you would have to write your own url pattern and your own view. Then you have to tell the Flash solutions to use a new url etc... I think something like signals could be used here? Forms/Admin: I'm still very sketchy on how all this could best be integrated in the Admin or generic Django forms/widgets/... (and this is were my lack of Django experience shows): In the case of the Gallery/Photo app: You could provide a mass Photo upload widget on the Gallery detail form. But what if the Gallery instance is not saved yet? The file upload view won't be able to set the foreignkeys on the Photo instances. I see that the auth app, when you create a user, first asks for username and password and only then provides you with a bigger form to fill in emailadres, pick roles etc. We could do something like that. In the case of an app with just one model: How do you provide a form in the Django admin to do your mass upload? You can't do it with the detail form of your model, that's just for one model instance. There's probably dozens more questions that need to be answered before I can even start on this app. So please tell me what you think! Give me input! What do you like? What not? What would you do different? Is this idea solid? Where is it not? Thank you!

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  • UI View Controller crashes after interruption

    - by nosuic
    Given the multitasking of iOS I thought it wouldn't be a pain to pause and resume my app, by pressing the home button or due to a phone call, but for a particular view controller it crashes. The navigation bar is working fine i.e. when I tap "Back" it's ok, but if I try to tap controls of the displayed UI View Controller then I get EXC_BAD_ACCESS.. =/ Please find the code of my problematic View Controller below. I'm not very sure about it myself, because I used loadView to build its View, but apart from this interruption problem it works fine. StoreViewController.h #import <UIKit/UIKit.h> @protocol StoreViewDelegate <NSObject> @optional - (void)DirectionsClicked:(double)lat:(double)lon; @end @interface StoreViewController : UIViewController { double latitude; double longitude; NSString *description; NSString *imageURL; short rating; NSString *storeType; NSString *offerType; UIImageView *imageView; UILabel *descriptionLabel; id<StoreViewDelegate> storeViewDel; } @property (nonatomic) double latitude; @property (nonatomic) double longitude; @property (nonatomic) short rating; @property (nonatomic,retain) NSString *description; @property (nonatomic,retain) NSString *imageURL; @property (nonatomic,retain) NSString *storeType; @property (nonatomic,retain) NSString *offerType; @property (assign) id<StoreViewDelegate> storeViewDel; @end StoreViewController.m #import "StoreViewController.h" #import <QuartzCore/QuartzCore.h> @interface StoreViewController() -(CGSize) calcLabelSize:(NSString *)string withFont:(UIFont *)font maxSize:(CGSize)maxSize; @end @implementation StoreViewController @synthesize storeViewDel, longitude, latitude, description, imageURL, rating, offerType, storeType; - (void)mapsButtonClicked:(id)sender { } - (void)loadView { UIView *storeView = [[UIView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 0.0f, 0.0f)]; // Colours UIColor *lightBlue = [[UIColor alloc] initWithRed:(189.0f / 255.0f) green:(230.0f / 255.0f) blue:(252.0f / 255.0f) alpha:1.0f]; UIColor *darkBlue = [[UIColor alloc] initWithRed:(28.0f/255.0f) green:(157.0f/255.0f) blue:(215.0f/255.0f) alpha:1.0f]; // Layout int width = self.navigationController.view.frame.size.width; int height = self.navigationController.view.frame.size.height; float firstRowHeight = 100.0f; int margin = width / 20; int imgWidth = (width - 3 * margin) / 2; // Set ImageView imageView = [[UIImageView alloc] initWithFrame:CGRectMake(margin, margin, imgWidth, imgWidth)]; CALayer *imgLayer = [imageView layer]; [imgLayer setMasksToBounds:YES]; [imgLayer setCornerRadius:10.0f]; [imgLayer setBorderWidth:4.0f]; [imgLayer setBorderColor:[lightBlue CGColor]]; // Load default image NSData *imageData = [NSData dataWithContentsOfFile:@"thumb-null.png"]; UIImage *image = [UIImage imageWithData:imageData]; [imageView setImage:image]; [storeView addSubview:imageView]; // Set Rating UIImageView *ratingView = [[UIImageView alloc] initWithFrame:CGRectMake(3 * width / 4 - 59.0f, margin, 118.0f, 36.0f)]; UIImage *ratingImage = [UIImage imageNamed:@"bb-rating-0.png"]; [ratingView setImage:ratingImage]; [ratingImage release]; [storeView addSubview:ratingView]; // Set Get Directions button UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(3 * width / 4 - 71.5f, 36.0f + 2*margin, 143.0f, 63.0f)]; [btn addTarget:self action:@selector(mapsButtonClicked:) forControlEvents:UIControlEventTouchUpInside]; UIImage *mapsImgUp = [UIImage imageNamed:@"bb-maps-up.png"]; [btn setImage:mapsImgUp forState:UIControlStateNormal]; [mapsImgUp release]; UIImage *mapsImgDown = [UIImage imageNamed:@"bb-maps-down.png"]; [btn setImage:mapsImgDown forState:UIControlStateHighlighted]; [mapsImgDown release]; [storeView addSubview:btn]; [btn release]; // Set Description Text UIScrollView *descriptionView = [[UIScrollView alloc] initWithFrame:CGRectMake(0.0f, imgWidth + 2 * margin, width, height - firstRowHeight)]; descriptionView.backgroundColor = lightBlue; CGSize s = [self calcLabelSize:description withFont:[UIFont systemFontOfSize:18.0f] maxSize:CGSizeMake(width, 9999.0f)]; descriptionLabel = [[UILabel alloc] initWithFrame:CGRectMake(margin, margin, width - 2 * margin, s.height)]; descriptionLabel.lineBreakMode = UILineBreakModeWordWrap; descriptionLabel.numberOfLines = 0; descriptionLabel.font = [UIFont systemFontOfSize:18.0f]; descriptionLabel.textColor = darkBlue; descriptionLabel.text = description; descriptionLabel.backgroundColor = lightBlue; [descriptionView addSubview:descriptionLabel]; [storeView addSubview:descriptionView]; [descriptionLabel release]; [lightBlue release]; [darkBlue release]; self.view = storeView; [storeView release]; } - (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc. that aren't in use. } - (void)viewDidUnload { [super viewDidUnload]; // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } - (void)dealloc { [imageView release]; [descriptionLabel release]; [super dealloc]; } @end Any suggestions ? Thank you, F.

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  • Google I/O 2012 - HTML5 and App Engine: The Epic Tag Team Take on Modern Web Apps at Scale

    Google I/O 2012 - HTML5 and App Engine: The Epic Tag Team Take on Modern Web Apps at Scale Brad Abrams, Ido Green This talk discusses the latest and greatest application patterns and toolset for building cutting edge HTML5 applications that are backed by App Engine. This makes it incredibly easy to write an app that spans client and server; in particular, authentication just works out of the box. This talk walks through building a fantastic cloud-based HTML5 application For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 20 0 ratings Time: 59:50 More in Science & Technology

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  • Good resources and tools for modern, heavy JavaScript development?

    - by Matt Greer
    I am interested in doing some projects that involve heavy use of JavaScript. Namely HTML5 based canvas games, potentially using node.js as well. I am interested in learning modern best practices, tools and resources for JavaScript. JavaScript is tough to research because you end up wading through a lot of really outdated material, hailing from the times that "JavaScript" was a four letter word. If you are heavily involved in JavaScript programming... What text editor or IDE do you use? What unit testing framework do you use? Do you use Selenium, or something else? What other tools do you use? What communities exist that discuss recent advents in JavaScript? What books do you read/refer to? What blogs do you read?

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  • Which screen resolution should I target for modern mobile phones? [closed]

    - by tugberk
    Possible Duplicate: Building for different screen sizes I am developing a site which needs to work on mobiles as well. I avoid specifying width and height by pixel. Mostly I am using percent for that but sometimes I need a specific area. for example, 300px div element. Which screen resolution should I target for modern mobile phones in general? I know it varies but what is the higher number. Most of my concerns are iPhone, Windows Phone and Android.

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  • How to emulate Mode 13h in a modern 3D renderer?

    - by David Gouveia
    I was indulging in nostalgia and remembered the first game I created, which used Mode 13h. This mode was really simple to work with, since it was essentially just an array of bytes with an element for each pixel on the screen (using an indexed color scheme). So I thought it might be fun to create something nowadays under these restrictions, but on modern hardware. The API could be as simple as: public class Mode13h { public byte[] VideoMemory = new byte[320 * 200]; public Color[] Palette = new Color[256]; } Now I'm wondering what would be the best way to get this data on the screen, using something like XNA / DirectX / OpenGL. The only solution I could think of was to create a texture with the same size as the VideoMemory array, write the contents of VideoMemory to it every frame, then render that texture in a full screen quad with the correct aspect ratio and using point texture filtering for that retro look. Is there a better way?

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  • What options should I consider for a modern Web/Mobile development stack? [on hold]

    - by jimmy_terra
    I'm a long time server side dev who has been tasked with building a bleeding edge web UI (go figure), so apologies for the very broad nature of the question. What are the best modern libraries, tools, languages and patterns for building a dynamic web application that will run seamlessly on mobiles also? My requirements are that it must be dynamic (push updates), support automated testing, and should allow 'componentization' (a team of devs will be working on this). What should I check out and why? I will start off with some of the things I'm looking at already: Front-end HTML5 CSS3 JavaScript AngularJs Testing Karma Testem Jasmine Patterns Single Page Applications

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  • Google+ Platform Office Hours: A Movember of Metro-style Apps!

    Google+ Platform Office Hours: A Movember of Metro-style Apps! This week join Google+ Developer Relations team members Joanna Smith, Jonathan Beri, Silvano Luciani, and Gus Class for a special Movember GDL. We'll share updates for Google+, demonstrate Google+ Metro style apps integration in C#, and answer any questions you ask in the event and live YouTube comments. From: GoogleDevelopers Views: 0 0 ratings Time: 30:00 More in Science & Technology

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  • How to download apps from different OS to USB and then transfer to Ubuntu?

    - by kb67
    I just installed Ubuntu on my old desktop computer, and I have to say—I freaking love it! Except at the moment I do not have internet connection (i'm using a unsecured connection) and i'm using my Windows 7 Laptop to get a connection to the web. I would love to install some useful apps on the desktop, but I can't figure out how to do this, is there any way to download Ubuntu/Linux apps on my windows computer and put them into a USB then transfer to the desktop?

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  • What is a modern software engineer's resume supposed to look like? [on hold]

    - by willOEM
    My secondary education was primarily focused on the sciences (Molecular Biology and Bioinformatics), but now I work primarily as a software developer. I feel like my resume is totally inappropriate for my current career goals. Listing laboratory skills and accomplishments is not the same as listing software development skills and accomplishments. Oddly enough, I can't seem to find any resources for writing a engineer's resume online that aren't older than 5 years. GitHub and StackExchange profiles seem like as important resume items as anything, yet I don't know how to list them on a resume, or whether they are appropriate at all. So what is a modern software engineer's resume supposed to look like?

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  • Google Apps Marketplace, les applications les plus téléchargées sont de plus en plus complexes : gestion de projet, CRM, ERP, finances

    Google Apps Marketplace, les applications les plus téléchargées Elles sont de plus en plus complexes : gestion de projet, CRM, ERP, finances Le dernier Marketplace en date de Google, la galerie d'applications professionnelles complémentaires des Google Apps (Google Docs, Google Site, Blogger, Gmail, Agenda, etc), est un succès. C'est en tout cas l'avis de Google qui communique aujourd'hui les premiers résultats significatifs depuis le lancement officiel de cette galerie. ...

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  • What UI Library(widgets) are you using in your Spring MVC or Spring Web Flow Project [closed]

    - by techsjs2012
    What UI Library(widgets) are you using in your Spring MVC or Spring Web Flow Project I am working on a number of projects with Spring MVC and Spring Web Flow and we started to use Dojo(dijit) widgets for the UI Library. I would like to hear from other projects if anyone knows of anything better or what are you using?? My screens looks like the one below.. the layouts are easy but I need hightlighting, tooltips and more...

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  • jQuery Mobile fin prêt pour la production, la version 1.0 finale de l'UI pour appareils mobiles est 30 à 50 % plus rapide depuis la RC2

    jQuery mobile fin prêt pour la production La version 1.0 finale de l'UI pour appareils mobiles est 30 à 50 % plus rapide depuis la RC2 Mise à jour du 18 novembre 2011 par Idelways Au terme de plus d'une année de « raffinements », jQuery Mobile dépasse les phases de test et sort pour la production « solide comme du roc », a annoncé Todd Parker, membre de la Core-team du projet jQuery, leader de jQuery UI. Après 5 alpha, 3 Beta et 3 RC, jQuery Mobile 1.0 supporte tous les plateformes et navigateurs mobiles populaires pour smartphones, tablettes et liseuses (e-Readers). Il a aussi été testé sur les différents ...

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  • A new free book from Microsoft - Programming Windows 8 Apps with HTML, CSS, and JavaScript (Second Preview)

    - by TATWORTH
    At  http://borntolearn.mslearn.net/btl/b/weblog/archive/2012/09/12/turn-your-bright-ideas-into-applications-with-the-new-mcsd.aspx there is mention of a new free book from Microsoft Press - Programming Windows 8 Apps with HTML, CSS, and JavaScript (Second Preview)The actual download page is http://blogs.msdn.com/b/microsoft_press/archive/2012/08/20/free-ebook-programming-windows-8-apps-with-html-css-and-javascript-second-preview.aspx

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  • Force Postback from code behind? Or reload JavaScript from an Asynchronous Postback?

    - by sah302
    Hi all, I've got a Jquery UI dialog that pops up to confirm the creation of an item after filling out a form. I have the form in an update panel due to various needs of the form, and especially because I want validation being done on the form without reloading the page. JavaScript appears to not reload on an asynchronoous postback. This means when the form is a success and I change the variable 'formSubmitPass' to true, it does not get passed to the Javascript via <%= formSubmitPass %. If I add a trigger to the submit button to do a full postback, it works. However I don't want the submit button to do a full postback as I said so I can validate the form within the update panel. How can I have this so my form validates asynchronously, but my javaScript will properly reload when the form is completed successfully and the item is saved to the database? Javascript: var formSubmitPass = '<%= formSubmitPass %>'; var redirectUrl = '<%= redirectUrl %>'; function pageLoad() { $('#formPassBox').dialog({ autoOpen: false, width: 400, resizable: false, modal: true, draggable: false, buttons: { "Ok": function() { window.location.href = redirectUrl; } }, open: function(event, ui) { $(".ui-dialog-titlebar-close").hide(); var t = window.setTimeout("goToUrl()", 5000); } }); if(formSubmitPass == 'True') { $('#formPassBox').dialog({ autoOpen: true }); } So how can I force a postback from the code behind, or reload the JavaScript on an Asynchronous Postback, or do this in a way that will work such that I can continue to do Async form validation? Edit: I change formSubmitPass at the very end of the code behind: If errorCount = 0 Then formSubmitPass = True upForm.Update() Else formSubmitPass = False End If So on a full postback, the value does change.

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