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• Global search box extension - how to make browser to start when suggestion picked.

  - by Ramps

  Hi, I'm implementing global search box extension (sth like SearchableDictionary sample in android sdk). Everything works fine - suggestions are displayed properly. Problem is that I want browser to start when user picks a suggestion. (each suggestion is a link) Columns of my cursor contain SearchManager.SUGGEST_COLUMN_INTENT_DATA, and I use that to pass http link. My searchable xml contains default intent action set to: android:searchSuggestIntentAction="android.intent.action.VIEW". But when user hits the suggestion, my application is started instead of browser. What am I missing? Regards!

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• Asp.net project is not recognising one of the folders in my class library.

  - by Rachel

  I am developing a project using Visual Studio 2008 in C#, I have added the class library within the project and set up the relevant references and used the relevant using statements. It seems to be a problem with just this one folder. can anyone help? this is the error message: Error 28 The type or namespace name 'Domain' does not exist in the namespace 'Forestry.SchoolLibrary' (are you missing an assembly reference?) C:\Projects\SchoolofForestry\trunk\Source\School\Account\Presenter\EditAccountPresenter.cs 26 40 School these are my using statements: using System; using System.Collections.Generic; using System.Configuration; using System.Linq; using System.Data.Linq; using System.Text; using System.Xml; using Forestry.SchoolLibrary.Core.Domain; using Forestry.SchoolLibrary.Properties;

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• Construct A Polygon Out of Union of Many Polygons

  - by Ngu Soon Hui

  Supposed that I have many polygons, what is the best algorithm to construct a polygon--maybe with holes- out of the union of all those polygons? For my purpose, you can imagine each piece of a polygon as a jigsaw puzzle piece, when you complete them you will get a nice picture. But the catch is that a small portion <5% of the jigsaw is missing, and you are still require to form a picture as complete as possible; that's the polygon-- maybe with holes-- that I want to form. My naive approach is to take two polygons, union them, and take another polygon, union it with the union of the two polygons, and repeat this process until every single piece is union. Then I will run through the union polygon list and check whether there are still some polygons can be combined, and I will repeat this process until a satisfactory result is achieved. But this seems to be like an extremely naive approach. I just wonder is there any other better algorithm?

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• How do I get AuthLogic to skip Password validation?

  - by ndp

  I think I'm just missing something obvious. I send a user a perishable token embedded in a link. They click on it, and they come back to the site. I want to log them in automatically (I'm not building a banking app). This seems like this should be simple, but all the examples I've found require a password. How do I skip this completely? I just seem to get UserSession.create to work.

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• A good way to implement useable Callbacks in C++

  - by Marcel J.

  I have a custom Menu class written in C++. To seperate the code into easy-to-read functions I am using Callbacks. Since I don't want to use Singletons for the Host of the Menu I provide another parameter (target) which will be given to the callback as the first parameter (some kind of workaround for the missing "this" reference). Registration-Signature AddItem(string s, void(*callback)(void*,MenuItem*), void* target = NULL) Example of a Registration menu->AddItem(TRANSLATE, "translate", &MyApp::OnModeSelected); Example of a Handler /* static */ void MyApp::OnModeSelected(void* that, MenuItem* item) { MyApp *self = (MyApp*)that; self->activeMode = item->text; } Is there anything one could consider dirty with this approach? Are there maybe better ones?

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• SQL Server Service Broker Service Disappearing (Automatically Deleted)?

  - by mwigdahl

  I've implemented a messaging system over SQL Server Service Broker. It is working great, with the sole exception that every once in a while (maybe once per week per server) my initiator service just vanishes without a trace. The corresponding queue is still there, but the service is missing. Obviously this causes problems in my system. It's a simple matter to recreate the service by hand, but I'm confused as to what might cause this behavior. I understand that automatic poison message handling causes queues to be disabled, but I don't see anything that indicates services can be disabled or deleted automatically. When this happens, I usually have a large backlog of messages in multiple application queues, but nothing extreme. Total message backlog is around 200,000. Does anyone know what might be happening here?

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• whats the point of using template?

  - by netrox

  I am under the impression that if I set it as a template in Dreamweaver, any changes made should be saved to a new filename. I've copied the "template" that I made and sometimes I forget to save it as a different file name and it would overwrite previous web content. I just don't get the point of "save as template" if it works just like a document... it doesn't force me to save as a different filename. Common sense in me thinks that the software should evaluate like this, "if this is a template, always save as a different filename when it's modified so nothing is changed to the template, but rather a new file is created with the new content following that template." Am I missing something? Am I always doomed to using Save As...?

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• Simple graphics API with transparency, polygons, reading image pixels?

  - by M. Elkstein

  I need a simple graphics library that supports the following functionality: Ability to draw polygons (not just rectangles!) with RGBA colors (i.e., partially transparent), Ability to load bitmap images, Ability to read current color of pixel in a given coordinate. Ideally using JavaScript or Python. Seems like HTML 5 Canvas can handle #2 and #3 but not #1, whereas SVG can handle #1 and #2 but not #3. Am I missing something (about either of these two)? Or are there other alternatives?

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• Losing scope for DataContex using LINQToSQL intermediately

  - by greektreat

  I am having a weird Situation with my DataConext. All My code is in C# I have a DLL project for my data access layer and business Layer which and Winforms project for my UI layer. My Data access Layer's Namespace is xxx.Data this is where have my xxx.dbml I also have xxx.Data.BusinessObjects name space of course for my business object in that project In my UI Layer I have these namespaces xxxApp(for Forms), xxxApp.Controls (For Controls) I have lost scope of the DataContext, it was accessible now when I do a Rebuild Solution I sometimes get compile errors saying for example: Error 34 'xxx.Data.xxxDataContext' does not contain a definition for 'SubmitChanges' and no extension method 'SubmitChanges' accepting a first argument of type 'xxx.Data.xxxDataContext' could be found (are you missing a using directive or an assembly reference?) Also intelisense doesn't recognize the methods and table classes from my xxxDataContext anymore I can access all object fine when I am in the DLL project but now in the Winforms project this is very strange. If anyone can help me out I would be extremely grateful!

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• Developed android application cannot connect to phpmyadmin

  - by user1850936

  I am developing an app with eclipse. I tried to store the data that key in by user into database in phpmyadmin. Unfortunately, after the user has clicked on submit button, there is no response and data is not stored in my database. Here is my java file: import java.util.ArrayList; import java.util.List; import org.apache.http.NameValuePair; import org.apache.http.message.BasicNameValuePair; import org.json.JSONObject; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.RadioButton; import android.content.res.Configuration; public class UserRegister extends Activity { JSONParser jsonParser = new JSONParser(); EditText inputName; EditText inputUsername; EditText inputEmail; EditText inputPassword; RadioButton button1; RadioButton button2; Button button3; int success = 0; private static String url_register_user = "http://10.20.92.81/database/add_user.php"; private static final String TAG_SUCCESS = "success"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_user_register); inputName = (EditText) findViewById(R.id.nameTextBox); inputUsername = (EditText) findViewById(R.id.usernameTextBox); inputEmail = (EditText) findViewById(R.id.emailTextBox); inputPassword = (EditText) findViewById(R.id.pwTextBox); Button button3 = (Button) findViewById(R.id.regSubmitButton); button3.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { String name = inputName.getText().toString(); String username = inputUsername.getText().toString(); String email = inputEmail.getText().toString(); String password = inputPassword.getText().toString(); if (name.contentEquals("")||username.contentEquals("")||email.contentEquals("")||password.contentEquals("")) { AlertDialog.Builder builder = new AlertDialog.Builder(UserRegister.this); builder.setMessage(R.string.nullAlert) .setTitle(R.string.alertTitle); builder.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { } }); AlertDialog dialog = builder.show(); } // creating new product in background thread RegisterNewUser(); } }); } public void RegisterNewUser() { try { String name = inputName.getText().toString(); String username = inputUsername.getText().toString(); String email = inputEmail.getText().toString(); String password = inputPassword.getText().toString(); // Building Parameters List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("name", name)); params.add(new BasicNameValuePair("username", username)); params.add(new BasicNameValuePair("email", email)); params.add(new BasicNameValuePair("password", password)); // getting JSON Object // Note that create product url accepts POST method JSONObject json = jsonParser.makeHttpRequest(url_register_user, "GET", params); // check log cat for response Log.d("Send Notification", json.toString()); success = json.getInt(TAG_SUCCESS); if (success == 1) { // successfully created product Intent i = new Intent(getApplicationContext(), StudentLogin.class); startActivity(i); finish(); } else { // failed to register } } catch (Exception e) { e.printStackTrace(); } } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); } } my php file: <?php $response = array(); require_once __DIR__ . '/db_connect.php'; $db = new DB_CONNECT(); if (isset($_GET['name']) && isset($_GET['username']) && isset($_GET['email']) && isset($_GET['password'])) { $name = $_GET['name']; $username = $_GET['username']; $email = $_GET['email']; $password = $_GET['password']; // mysql inserting a new row $result = mysql_query("INSERT INTO register(name, username, email, password) VALUES('$name', '$username', '$email', '$password')"); // check if row inserted or not if ($result) { // successfully inserted into database $response["success"] = 1; $response["message"] = "You are successfully registered to MEMS."; // echoing JSON response echo json_encode($response); } else { // failed to insert row $response["success"] = 0; $response["message"] = "Oops! An error occurred."; // echoing JSON response echo json_encode($response); } } else { // required field is missing $response["success"] = 0; $response["message"] = "Required field(s) is missing"; // echoing JSON response echo json_encode($response); } ?> the log cat is as follows: 11-25 10:37:46.772: I/Choreographer(638): Skipped 30 frames! The application may be doing too much work on its main thread.

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• PHP find array keys

  - by Jens Törnell

  In PHP I have an array that looks like this: $array[0]['width'] = '100'; $array[0]['height'] = '200'; $array[2]['width'] = '150'; $array[2]['height'] = '250'; I don't know how many items there are in the array. Some items can be deleted which explains the missing [1] key. I want to add a new item after this, like this: $array[]['width'] = '300'; $array[]['height'] = '500'; However the code above don't work, because it adds a new key for each row. It should be the same for the two rows above. A clever way to solve it? An alternative solution would be to find the last key. I failed trying the 'end' function.

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• Does anyone else think instance variables are problematic in database-backed applications?

  - by Ben Aston

  It occurs to me that state control in languages like C# is not well supported. By this, I mean, it is left upto the programmer to manage the state of in-memory objects. A common use-case is that instance variables in the domain-model are copies of information residing in persistent storage (i.e. the database). Clearly this violates the single point of authority principle, and "synchronisation" has to be managed by the developer. I envisage a system where instead of instance variables, we have simple public access/mutator methods marked with attributes that link them to the database, and where reads and writes are mediated by a framework that decides whether to hit the database. Does such a system exist? Am I completely missing the point, or is there some truth to this idea?

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• Visual Studio 2010 doesn't install the editor

  - by MoJo

  For some reason when I install Visual Studio 2010 Ultimate using the web installer the actual editor (the IDE) doesn't get installed! Can't post images so here are the install options: http://img17.imageshack.us/img17/9223/clipboardimagez.jpg Start menu: http://img856.imageshack.us/img856/2503/80767250.png I only want C++ and C#, nothing else... What am I missing? If it helps this is a Windows 7 x64 machine. Thanks. Update: I tried doing a full uninstall and full re-install and still didn't get the editor. I do have the Stand Alone Shell (Isolated) installed for Atmel Studio 6, but it shouldn't be a problem.

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• rails - caches_action expire_action

  - by mark

  Hi I want to expire a cached action and wondered how to generate the correct reference. #controller caches_action :index, :layout => false #generates this fragment which works fine views/0.0.0.0:3000/article/someid/posts #sweeper ... expire_action article_posts_path(:article_id => post.article) # results in this Expired fragment: views//en/article/someid/posts (0.0ms) So this is almost ok, except the host is missing. What do I do that supplies this to the expire_action method? Thanks in advance.

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• Using gprof with sockets

  - by Chris

  I have a program I want to profile with gprof. The problem (seemingly) is that it uses sockets. So I get things like this: ::select(): Interrupted system call I hit this problem a while back, gave up, and moved on. But I would really like to be able to profile my code, using gprof if possible. What can I do? Is there a gprof option I'm missing? A socket option? Is gprof totally useless in the presence of these types of system calls? If so, is there a viable alternative? EDIT: Platform: Linux 2.6 (x64) GCC 4.4.1 gprof 2.19

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• How do I convert an arbitrary list of strings to a SQL rowset?

  - by Jim Kiley

  I have a simple list of strings, which may be of arbitrary length. I'd like to be able to use this list of strings as I would use a rowset. The app in question is running against SQL Server. To be clearer, if I do SELECT 'foo', 'bar', 'baz' I get 'foo', 'bar', and 'baz' as fields in a single row. I'd like to see each one of them as a separate row. Is there a SQL (or SQLServer-specific) function or technique that I'm missing, or am I going to have to resort to writing a function in an external scripting language?

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• Constructing a regular expression to wrap images with <a>

  - by bobo

  A web page contains lots of image elements: <img src="myImage.gif" width="180" height="18" /> But they may not be very well-formed, for example, the width or height attribute may be missing. And it also may not be properly closed with /. The src attribute is always there. I need a regular expression that wraps these with a hyperlink having href set to the src of the img. <a href="myImage.gif" target="_blank"><img src="myImage.gif" width="180" height="18" /></a> I can successfully locate the images using this regexp in this editor: http://gskinner.com/RegExr/: <img src="([^<]*)"[^<]*> But what is the next step?

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• PowerShell: How to add XmlElement to a non-root element

  - by Ariel

  I'm having trouble adding an XmlElement to a non-root element in PowerShell. Basically, given this xml: <clubs> <club name="boca" position="1"> <field>bombonera</field> <field>bombonerita</field> </club> <club name="racing" position="19"> <field>cilindro</field> </club> </clubs> I create an element, $new = $clubs.CreateElement("Barracas") When I try to add this element to a non-root node i.e. $clubs.clubs.club += $new I get Cannot set "club" because only strings can be used as values to set XmlNode properties. What am I missing? Thanks in advance.

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• Django template tag basic question

  - by ninja123

  It looks like this template tag works like a charm for most people: http://blog.localkinegrinds.com/2007/09/06/digg-style-pagination-in-django/ For some reason I get this error: Caught an exception while rendering: 'is_paginated' I use this template tag in my template like so: {% load digg_paginator %} {% digg_paginator %} Where digg_paginator.py is in my app/templatetags folder and the included template context digg_paginator.html is in my app/templates folder. The queryset that needs pagination is called 'destinations'. If i just specify {% digg_paginator %}, how does it know what variable to paginate?? I feel I am missing something important here or just plain stupid :P Someone please help, or explain to me how this should be done. Thanks

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• How to add :format options to a named route in Rails?

  - by Alfred Nerstu

  I've got a named route called profile and I would like to be able to access it as json. But when I look at my rake routes output I see that the (.:format) is missing. How do I add it to a named route? user GET /users/:id(.:format) {:action=>"show", :controller=>"users"} profile /:username {:action=>"show", :controller=>"users"} Thanks in advance!

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• Xampp error on windows

  - by Deepak Kumar

  My problem is when i use xampp i see many error and when i use my web it has no error Notice: Undefined index: action in C:\xampp\htdocs\xyz\index.php on line 3 Notice: Undefined index: usNick in C:\xampp\htdocs\xyz\config.php on line 11 Notice: Use of undefined constant setname - assumed 'setname' in C:\xampp\htdocs\xyz\config.php on line 31 Notice: Use of undefined constant setname - assumed 'setname' in C:\xampp\htdocs\xyz\config.php on line 31 Notice: Undefined index: usNick in C:\xampp\htdocs\xyz\config.php on line 34 Notice: A session had already been started - ignoring session_start() in C:\xampp\htdocs\xyz\data.php on line 2 Notice: Undefined index: r in C:\xampp\htdocs\xyz\data.php on line 4 Notice: Undefined index: ucNick in C:\xampp\htdocs\xyz\data.php on line 8 I have tried many time changing things in Setting, Security, Privileges etc but nothing changed, I want to know if im missing something out Thanks

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• Is node.js ready for production use?

  - by Simon Wentley

  Starting a new project. It's basically a blogging/commenting system. We're considering node.js as the back end server. Is node.js ready for this sort of thing or is it too early and experimental? We need HTTPS and gzip compression - perhaps a front end nginx server could provide this? What's missing from node.js that would make developing a web app difficult? From a production ready perspective, we're wondering if it is stable enough for building a commercial app on top of. Thanks

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• Delete an object from a tree

  - by mqpasta

  I have a Find function in order to find an element from a BST private Node Find(ref Node n, int e) { if (n == null) return null; if (n.Element == e) return n; if (e > n.Element) return Find(ref n.Right, e); else return Find(ref n.Left, e); } and I use following code in order to get a node and then set this node to null. Node x = bsTree.Find(1); x = null; bsTree.Print(); supposedly, this node should be deleted from Tree as it is set to null but it still exists in tree. I had done this before but this time missing something and no idea what.

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• Detect all depencies of an application

  - by Ian

  Hi All, I am in the process of "detecting" (more like listing down) all of the dependencies of our application. Currently, I am using depends.exe (Dependency Walker) to detect all of the file dependencies. I was actually able to get pass all the error messages about missing files and dependencies. However, when launching the app, all I get is a crash without any messages at all. On a "working" configuration/system, I was able to launch this app successfully. Killing a certain service will produce the "crashing" behavior. This leads me to the conclusion that SOMETHING on this service is needed by the App and this service is a dependency. However, depends.exe will not be able to "detect" this dependency. My question is: Is there an application that can programmatically detect dependencies such as Database and Services? Thanks!

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• How to include named capture groups in java regex?

  - by jrummell

  I'm new to regex in Java and I can't figure out how to include named capture groups in an expression. I'm writing a ScrewTurn Image Converter for Confluence's Universal Wiki Converter. This is what I have: String image = "\\[image(?<align>auto)?\\|\\|{UP\\(((?<namespace>\\w+)\\.)?(?<pagename>[\\w-]+)\\)}(?<filename>[\\w- ]+\\.[\\w]+)\\]"; Pattern imagePattern = Pattern.compile(image, Pattern.CASE_INSENSITIVE); It's throwing this exception in Pattern.comiple(): java.util.regex.PatternSyntaxException: Unknown look-behind group near index 19 \[image(?<align>auto)?\|\|{UP\(((?<namespace>\w+)\.)?(?<pagename>[\w-]+)\)}(?<filename>[\w- ]+\.[\w]+)\] ^ I've used named capture groups like this before in C# (?<namedgroup>asdf), but not in Java. What am I missing?

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