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  • Scrum and requirements

    - by Mel
    You can just have user stories somehow the functionality of the program has to be documented. Do you end up with a specifications document with scrum? If you do do you end up assigning time to do this onto the task?

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  • Could I ever want to access the address zero?

    - by Joel
    The constant 0 is used as the null pointer in C and C++. But as in http://stackoverflow.com/questions/2389251/pointer-to-a-specific-fixed-address there seems to be some possible use of assigning fixed addresses. Is there ever any conceivable need, in any system, for whatever low level task, for accessing the address 0? If there is, how is that solved with 0 being the null pointer and all? If not, what makes it certain that there is not such a need?

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  • Detecting if a file is binary or plain text?

    - by dr. evil
    How can I detect if a file is binary or a plain text? Basically my .NET app is processing batch files and extracting data however I don't want to process binary files. As a solution I'm thinking about analysing first X bytes of the file and if there are more unprintable characters than printable characters it should be binary. Is this the right way to do it? Is there nay better implementation for this task?

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  • Extract a portion of a Qt .ui file into its own .ui file

    - by Grant Limberg
    We have a designer creating a user interface for an application. The main window has several QStackedWidgets used for in place panel switching. What I'd like to be able to do is extract each individual panel that makes up each page of the QStackedWidget into it its own .ui file. Is there an easy way to accomplish this from within Qt Designer, or are there any other tools to help accomplish this task short of redesigning all of the panels in their own .ui files?

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  • Weird Rails database errors

    - by Jason Swett
    I've had some trouble getting my Rails app to connect to PostgreSQL so I decided to just say screw it and use SQLite for now. (I'm using the tutorial here: http://guides.rubyonrails.org/getting_started.html) I started a BRAND NEW, fresh Rails app from this tutorial. When I visit my app in the browser after deleting public/index.html, I get this the first time: Please install the pg adapter: `gem install activerecord-pg-adapter` (no such file to load -- active_record/connection_adapters/pg_adapter) That's odd to me because I'm not mentioning PostgreSQL anywhere. Here's my databases.yml: # SQLite version 3.x # gem install sqlite3-ruby (not necessary on OS X Leopard) development: adapter: sqlite3 database: db/development.sqlite3 pool: 5 timeout: 5000 # Warning: The database defined as "test" will be erased and # re-generated from your development database when you run "rake". # Do not set this db to the same as development or production. test: adapter: sqlite3 database: db/test.sqlite3 pool: 5 timeout: 5000 production: adapter: sqlite3 database: db/production.sqlite3 pool: 5 timeout: 5000 To make things more confusing, I only get that "pg adapter" error on the first load. For every subsequent page request, I get this error: ActiveRecord::ConnectionNotEstablished So even though I removed all mention of PostgreSQL, I'm still getting errors. What could be going on?

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  • Async webmethod without timeout

    - by phenevo
    Hi, I need a console app which will calling webmethod. It must be asynchronous and without timeout (we don't know how much time takes this method to deal with task. Is it good way: [WebMethod] [SoapDocumentMethod(OneWay = true)] ??

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  • Trying to get around this Webservice call from Android using AsycTask

    - by Kevin Rave
    I am a fairly beginner in Android Development. I am developing an application that extensively relays on Webservice calls. First screen takes username and password and validates the user by calling the Webservice. If U/P is valid, then I need to fire up the 2nd activity. In that 2nd activity, I need to do 3 calls. But I haven't gotten to the 2nd part yet. In fact, I haven't completed the full coding yet. But I wanted to test if the app is working as far as I've come through. When calling webserivce, I am showing alert dialog. But the app is crashing somewhere. The LoginActivity shows up. When I enter U/P and press Login Button, it crashes. My classes: TaskHandler.java public class TaskHandler { private String URL; private User userObj; private String results; private JSONDownloaderTask task; ; public TaskHandler( String url, User user) { this.URL = url; this.userObj = user; } public String handleTask() { Log.d("Two", "In the function"); task = new JSONDownloaderTask(); Log.d("Three", "In the function"); task.execute(URL); return results; } private class JSONDownloaderTask extends AsyncTask<String, Void, String> { private String username;// = userObj.getUsername(); private String password; //= userObj.getPassword(); public HttpStatus status_code; public JSONDownloaderTask() { Log.d("con", "Success"); this.username = userObj.getUsername(); this.password = userObj.getPassword(); Log.d("User" + this.username , " Pass" + this.password); } private AsyncProgressActivity progressbar = new AsyncProgressActivity(); @Override protected void onPreExecute() { progressbar.showLoadingProgressDialog(); } @Override protected String doInBackground(String... params) { final String url = params[0]; //getString(R.string.api_staging_uri) + "Authenticate/"; // Populate the HTTP Basic Authentitcation header with the username and password HttpAuthentication authHeader = new HttpBasicAuthentication(username, password); HttpHeaders requestHeaders = new HttpHeaders(); requestHeaders.setAuthorization(authHeader); requestHeaders.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON)); // Create a new RestTemplate instance RestTemplate restTemplate = new RestTemplate(); restTemplate.getMessageConverters().add(new MappingJacksonHttpMessageConverter()); try { // Make the network request Log.d(this.getClass().getName(), url); ResponseEntity<Message> response = restTemplate.exchange(url, HttpMethod.GET, new HttpEntity<Object>(requestHeaders), Message.class); status_code = response.getStatusCode(); return response.getBody().toString(); } catch (HttpClientErrorException e) { status_code = e.getStatusCode(); return new Message(0, e.getStatusText(), e.getLocalizedMessage(), "error").toString(); } catch ( Exception e ) { Log.d(this.getClass().getName() ,e.getLocalizedMessage()); return "Unknown Exception"; } } @Override protected void onPostExecute(String result) { progressbar.dismissProgressDialog(); switch ( status_code ) { case UNAUTHORIZED: result = "Invalid username or passowrd"; break; case ACCEPTED: result = "Invalid username or passowrd" + status_code; break; case OK: result = "Successful!"; break; } } } } AsycProgressActivity.java public class AsyncProgressActivity extends Activity { protected static final String TAG = AsyncProgressActivity.class.getSimpleName(); private ProgressDialog progressDialog; private boolean destroyed = false; @Override protected void onDestroy() { super.onDestroy(); destroyed = true; } public void showLoadingProgressDialog() { Log.d("Here", "Progress"); this.showProgressDialog("Authenticating..."); Log.d("Here", "afer p"); } public void showProgressDialog(CharSequence message) { Log.d("Here", "Message"); if (progressDialog == null) { progressDialog = new ProgressDialog(this); progressDialog.setIndeterminate(true); } Log.d("Here", "Message 2"); progressDialog.setMessage(message); progressDialog.show(); } public void dismissProgressDialog() { if (progressDialog != null && !destroyed) { progressDialog.dismiss(); } } } LoginActivity.java public class LoginActivity extends AsyncProgressActivity implements OnClickListener { Button login_button; HttpStatus status_code; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //this.requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.main); login_button = (Button) findViewById(R.id.btnLogin); login_button.setOnClickListener(this); ViewServer.get(this).addWindow(this); } public void onDestroy() { super.onDestroy(); ViewServer.get(this).removeWindow(this); } public void onResume() { super.onResume(); ViewServer.get(this).setFocusedWindow(this); } public void onClick(View v) { if ( v.getId() == R.id.btnLogin ) { User userobj = new User(); String result; userobj.setUsername( ((EditText) findViewById(R.id.username)).getText().toString()); userobj.setPassword(((EditText) findViewById(R.id.password)).getText().toString() ); TaskHandler handler = new TaskHandler(getString(R.string.api_staging_uri) + "Authenticate/", userobj); Log.d(this.getClass().getName(), "One"); result = handler.handleTask(); Log.d(this.getClass().getName(), "After two"); Utilities.showAlert(result, LoginActivity.this); } } Utilities.java public class Utilities { public static void showAlert(String message, Context context) { AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(context); alertDialogBuilder.setTitle("Login"); alertDialogBuilder.setMessage(message) .setCancelable(false) .setPositiveButton("OK",new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog,int id) { dialog.dismiss(); //dialog.cancel(); } }); alertDialogBuilder.setIcon(drawable.ic_dialog_alert); // create alert dialog AlertDialog alertDialog = alertDialogBuilder.create(); // show it alertDialog.show(); } }

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  • VIM plugin for updating C++ function definition

    - by Sunny
    I'm looking for a VIM plugin that can do these kind of thing. Let's say I have a function in a .cpp file void myFunction(int arg1, int arg2, int arg3){ //code } The function definition is defined in the .h file. So every time I change the function name or add a new argument to the function, I have to go back the the .h file to do the same. Is there a VIM plugin that can automate this task?

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  • How do I generate Entity Framework 4.0 classes from the command line that have different names than

    - by Josh Kodroff
    I want to generate Entity Framework 4.0 classes from a (legacy) database from a command line, but I have 2 transformations I want: Tables/columns are lowerCamelCase and I want my classes/members to be UpperCamelCase. I want to suffix my classes with "Dto". Any idea how this might be accomplished? I'm a total newbie to EF, but I have a decent understanding of Linq to Sql and was able to accomplish the same task by doing: sqlmetal - dbml - xml mapping file and .cs file.

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  • algorithm to make easy my job

    - by gcc
    Iwill tell part of study material task but, dont afraid, I dont want write all of them , I will ask just specific question.okey; User will give me a function with three unknown. example: sin(a+b)+ln(5)*(log(ab)-32/sqrt(abc)) another example for function atan(23/a)-exp(a,b)*(123+asin(ac)) and there are some another input with funtion but in all input a,b and c, are doesnot determined, Anyway,I wont tell the other part,I just asking how I should take the fuction such that I can do my job with easy?

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  • "Share this on..." URLs

    - by Andrea
    I have to create a bunch of these "Share this on" Technorati, Digg, Facebook, Reddit, del.icio.us, StumbleUpon, MySpace and so on. It is very easy to find online icons for this task, but it is a little more difficult to find what URLs I should link. Is there any updated list of all these services? Of course I could copy them from other sites having this, but I am not sure they are updated, and moreover maybe there is some GET parameter I want to set differently.

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  • update in the php

    - by DAFFODIL
    I wrote a code to insert data .When ,i enter the value in the form and click submit ,the data is getting into database. Now,i should make all those data to edit from from end and,if i click update button,it should be updated in database. Give a snippet for performing this task.

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  • Unicode filenames on windows in ruby

    - by delivarator
    I have a piece of code that looks like this: Dir.new(path).each do |entry| puts entry end The problem comes when I have a file named ???????.txt in the directory that I list. On a Windows 7 machine I get the output: ???????.txt From googling around, properly reading this filename on windows seems to be an impossible task. Any suggestions?

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  • What is the best way to measure the memory usage of a C# function ?

    - by Duaa
    Hi all: I'm looking for an accurate way to measure memory usage of a C# program under Windows operating system. I'm using Visual Studio for programming my code and I want to know its time consuming for performance. Really, I tried to use the Task Manager, but I do not get an accurate measurment. Please, if any one know an accurate way to measure the memory consumption, please help me and thanks alot

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  • Installer Vs. Desktop application

    - by Ram
    hi, I was just wondering why do we need installer programs to create setups? We can create a desktop application which will do registry changes, registration of assembly, creation of config files and all. Why dedicated installers are there? Do they serve any other purpose or task that a desktop application cannot do?

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