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  • Android: Communication with host computer

    - by dannyn382
    I am looking for ideas as to how all of you can think to solve this issue. I am going to be using an Android Tablet as basically a touch screen input for a project. I need to be able to control servos and solenoids and such, so I will be using a Raspberry Pi to do this. I am looking for ideas on how to get the tablet and the Raspberry Pi to talk. Here are a few that I have though of so far. Use Wifi (which I really do not want to, Ethernet would be okay) to ssh into the Raspberry Pi (with an external library) and run scripts that way from the Android app. Use a com port for Android (maybe Andropod if there hardware becomes available?) and run scripts on the Raspberry Pi. Those are probably two of the "best" ideas that I can think of for now. Can anyone think of any other "better" ideas? Thanks in advance for the help, Dan

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  • Union - Same table, excluding previous results MySQL

    - by user82302124
    I'm trying to write a query that will: Run a query, give me (x) number of rows (limit 4) If that query didn't give me the 4 I need, run a second query limit 4-(x) and exclude the ids from the first query A third query that acts like the second I have this: (SELECT *, 1 as SORY_QUERY1 FROM xbamZ where state = 'Minnesota' and industry = 'Miscellaneous' and id != '229' limit 4) UNION (SELECT *, 2 FROM xbamZ where state = 'Minnesota' limit 2) UNION (SELECT *, 3 FROM xbamZ where industry = 'Miscellaneous' limit 1) How (or is?) do I do that? Am I close? This query gives me duplicates

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  • SQL Reporting Services: Finding the folder a report is in

    - by Bob
    Hi there, If I have the report name how can I programmatically get the name of the project/folder the report is in? So for example if I have a report like so http://server/Reports/Pages/Report.aspx?ItemPath=/ReportProject1/ReportName Given "ReportName" how can I figure out that the report is in the folder "ReportProject1"? So I guess is there a function where I can pass int he report name and get it's details or else query the report server for a list of its report folders and I can loop through these and check some how that the report is inside?

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  • Debug startup program behavior

    - by iceman
    I want to Debug a program called Freecall in my Windows 7 Professional laptop. Now it shows as a Startup item in "System Configuration" console. I tried to uncheck it in the Startup item and restart, but it keeps on adding itself to HKCU\Software|Microsoft\Windows\CurrentVersion\Run. i think its the same for Yahoo messenger..these programs keep on adding to startup even after I manually deleted the entry from the registry. I want to debug and find out if after starting the executable, the program writes to the registry. How can I do that? Is there a way I can run the binary in Sandbox mode? Are there any VS tools for this?

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  • CADisplayLink stops updating when UIScrollView scrolled

    - by Tricky
    Title is quite self explanatory, but I have some animation being done in a loop triggered by CADisplayLink. However, as soon as I scroll a UIScrollView I have added to my view hierarchy, the animation stops immediately, only to return again when scrolling has completely stopped and come to a standstill.... Anyway to cancel this behaviour?

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  • Simple Array in java

    - by user1311590
    I need to create the following in my main method. Create an array of size 100 doubles. write a loop to sotr the number 150.0 - 249.0 in the 100 location. public class Lab6_2 { public static void main(String[] args) { double[] values; values = new double [100]; double i = 0; for(double i = 150.0; i<249.0;i++){ System.out.println(values[99]); } } }

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  • The delegate method "clickedButtonAtIndex:" is not called.

    - by sagiftw
    Hello everyone! I have created an alert view with two buttons using the following code: UIAlertView *alertView = [[UIAlertView alloc] initWithTitle: title message: msg delegate:nil cancelButtonTitle:@"Replay" otherButtonTitles:@"Highscore", nil]; [alertView show]; I want to run some code when one of the buttons is clicked. In order to do so, I have added the following method to the delegate.m file: - (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex { if (buttonIndex==0) //Run some code else //Other code } But this method is not called when I press either of the buttons! Can someone tell me why? Thanks in advance, Sagiftw

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  • Github + keep file but dont track changes

    - by Mike
    I have a codeigniter framework thats using github. Within this application I have several files that i will want to have in the repo but not track any changes on.. Example is: i deploy a new installation of this framework to a new client, i want the following files to be downloaded (they have default values 'CHANGEME') and i just have to make changes specific to this client IE(database credentials, email address info, custom css styling). // the production config files i want the files but they need to be updated to specific client needs application/config/production/config.php application/config/production/database.php application/config/production/tank_auth.php // index page, defines the environment (production|development) /index.php // all of the css/js cache (keep the folder but not the contents) /assets/cache/* // production user based styling (color, fonts etc) needs to be updated specific to client needs /assets/frontend/css/user/frontend-user.css currently if i run git clone [email protected]:user123/myRepo.git httpdocs and then i edit the files above, all is great.. until i release a hotfix or patch and run git pull. All of my changes are then overwritten.

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  • MS SQL Specific Tables Hanging at Queries

    - by Jonn
    I have SQL Server 2008. I run a query in a table on a database. The weirdest thing keeps happening. I run a simple select statement on the table. I know there are 62 rows in the table but it gets stuck at row 48 and goes on "querying...". Waited already for hours and it didn't move on from there. I only know of two programs, and one reporting service connecting to that particular table and one other user. Does anyone have any idea on what could be causing this and how I could trace the source of the lock on that table? As a side note, I noted that the logs only had a notice that Autogrow failed the day before I checked. Could this have something to do with it?

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  • Debugging (displaying) SQL command sent to the db by SQLAlchemy

    - by morpheous
    I have an ORM class called Person, which wraps around a person table: After setting up the connection to the db etc, I run the ff statement. people = session.query(Person).all() The person table does not contain any data (as yet), so when I print the variable people, I get an empty list. I renamed the table referred to in my ORM class People, to people_foo (which does not exist). I then run the script again. I was surprised that no exception was thrown when attempting to access a table that does not exist. I therefore have the following 2 questions: How may I setup SQLAlchemy so that it propagates db errors back to the script? How may I view (i.e. print) the SQL that is being sent to the db engine If it helps, I am using PostgreSQL as the db

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  • Change the default output folder for a java command when executed by php

    - by jax
    I am trying to run a java command like this in a PHP Joomla Component. It works, however, the files generated from the command are written to /administrator and I want them to be written to the location where the Java command resides ie. /administrator/com_mycomponent/java/MyJavaApp.jar //run the command $javaCommand = "$javaCommand -jar $keyGeneratorFile $appName"; $response = exec($javaCommand); if(empty($response)) { JError::raiseError(500, "Key Generation failed for command: $javaCommand"); } What can I do? Is there some sort of option I can use with the java command?

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  • Execute an external application as root - problem

    - by user598011
    Good morning: I'm trying to run an external application that needs to be executed as root. I have to read the lines from exit after the execution of this application but it says "permission denied", as if the its not been done correctly. I've been thinking over a time and I can not move forward. The code is as follows: process = Runtime.getRuntime().exec("su"); String[] command = {external application command}; process = Runtime.getRuntime().exec(comando); InputStream inputStream = process.getInputStream(); BufferedReader bufferedReader = null; try { bufferedReader = new BufferedReader(new InputStreamReader(inputStream),8192); String line = null; while ((line = bufferedReader.readLine()) != null) { System.out.println("read line:"+line ); } } catch (IOException ioe) { ioe.printStackTrace(); } process.waitFor(); Does anyone know why not let me run the command? Thanks.

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  • why my application sometimes got error in early launch?

    - by Hendra
    I have some problem. sometimes when I just try to run my application, it is going to be force close. I don't know why it is going to be happened. here are my source code. AlertDialog.Builder alert = new AlertDialog.Builder(this); alert.setCancelable(false); //AlertDialog.Builder alert = new AlertDialog.Builder(this); ..... alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { no_pasien = no_pas.getText().toString(); new LoginProses().execute(); ..... alert.show(); class LoginProses extends AsyncTask<String, String, String> { protected void onPreExecute() { super.onPreExecute(); ...... } protected String doInBackground(String... args) { List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("no_pasien", no)); JSONObject json = jsonParser.makeHttpRequest(url_login, "POST", params); try { int success = json.getInt(TAG_SUCCESS); if (success == 1) { // successfully created product pasien = json.getJSONArray("pasien"); JSONObject c = pasien.getJSONObject(0); int id = c.getInt("id"); new Temporary().setIdPasien(id); Intent goMainAct = new Intent(); // goMainAct.putExtra("id", id); goMainAct.setClass(Login.this, MainActivity.class); finish(); startActivity(goMainAct); } else { // failed to create product Intent getReload = getIntent(); getReload.putExtra("status", 1); finish(); startActivity(getReload); } } catch (JSONException e) { if(pDialog.isShowing()){ pDialog.dismiss(); } } return null; } protected void onPostExecute(String file_url) { // dismiss the dialog once done pDialog.dismiss(); } } here is the log error for my problem: //HERE IS THE LOG: 06-25 22:57:23.836: E/WindowManager(7630): Activity com.iteadstudio.Login has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41939850 that was originally added here 06-25 22:57:23.836: E/WindowManager(7630): android.view.WindowLeaked: Activity com.iteadstudio.Login has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@41939850 that was originally added here 06-25 22:57:23.836: E/WindowManager(7630): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:344) 06-25 22:57:23.836: E/WindowManager(7630): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:267) 06-25 22:57:23.836: E/WindowManager(7630): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:215) 06-25 22:57:23.836: E/WindowManager(7630): at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:140) 06-25 22:57:23.836: E/WindowManager(7630): at android.view.Window$LocalWindowManager.addView(Window.java:537) 06-25 22:57:23.836: E/WindowManager(7630): at android.app.Dialog.show(Dialog.java:278) 06-25 22:57:23.836: E/WindowManager(7630): at com.iteadstudio.Login$LoginProses.onPreExecute(Login.java:122) 06-25 22:57:23.836: E/WindowManager(7630): at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:561) 06-25 22:57:23.836: E/WindowManager(7630): at android.os.AsyncTask.execute(AsyncTask.java:511) 06-25 22:57:23.836: E/WindowManager(7630): at com.iteadstudio.Login$3.onClick(Login.java:95) 06-25 22:57:23.836: E/WindowManager(7630): at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:166) 06-25 22:57:23.836: E/WindowManager(7630): at android.os.Handler.dispatchMessage(Handler.java:99) 06-25 22:57:23.836: E/WindowManager(7630): at android.os.Looper.loop(Looper.java:137) 06-25 22:57:23.836: E/WindowManager(7630): at android.app.ActivityThread.main(ActivityThread.java:4441) 06-25 22:57:23.836: E/WindowManager(7630): at java.lang.reflect.Method.invokeNative(Native Method) 06-25 22:57:23.836: E/WindowManager(7630): at java.lang.reflect.Method.invoke(Method.java:511) 06-25 22:57:23.836: E/WindowManager(7630): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:823) 06-25 22:57:23.836: E/WindowManager(7630): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:590) 06-25 22:57:23.836: E/WindowManager(7630): at dalvik.system.NativeStart.main(Native Method) 06-25 22:57:23.946: D/dalvikvm(7630): GC_CONCURRENT freed 782K, 6% free 14319K/15203K, paused 4ms+3ms 06-25 22:57:23.976: D/AndroidRuntime(7630): Shutting down VM 06-25 22:57:23.976: W/dalvikvm(7630): threadid=1: thread exiting with uncaught exception (group=0x40ab4210) 06-25 22:57:23.986: E/AndroidRuntime(7630): FATAL EXCEPTION: main 06-25 22:57:23.986: E/AndroidRuntime(7630): java.lang.IllegalArgumentException: View not attached to window manager 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.view.WindowManagerImpl.findViewLocked(WindowManagerImpl.java:587) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.view.WindowManagerImpl.removeView(WindowManagerImpl.java:324) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.view.WindowManagerImpl$CompatModeWrapper.removeView(WindowManagerImpl.java:151) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.app.Dialog.dismissDialog(Dialog.java:321) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.app.Dialog$1.run(Dialog.java:119) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.app.Dialog.dismiss(Dialog.java:306) 06-25 22:57:23.986: E/AndroidRuntime(7630): at com.iteadstudio.Login$LoginProses.onPostExecute(Login.java:177) 06-25 22:57:23.986: E/AndroidRuntime(7630): at com.iteadstudio.Login$LoginProses.onPostExecute(Login.java:1) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.os.AsyncTask.finish(AsyncTask.java:602) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.os.AsyncTask.access$600(AsyncTask.java:156) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:615) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.os.Handler.dispatchMessage(Handler.java:99) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.os.Looper.loop(Looper.java:137) 06-25 22:57:23.986: E/AndroidRuntime(7630): at android.app.ActivityThread.main(ActivityThread.java:4441) 06-25 22:57:23.986: E/AndroidRuntime(7630): at java.lang.reflect.Method.invokeNative(Native Method) 06-25 22:57:23.986: E/AndroidRuntime(7630): at java.lang.reflect.Method.invoke(Method.java:511) 06-25 22:57:23.986: E/AndroidRuntime(7630): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:823) 06-25 22:57:23.986: E/AndroidRuntime(7630): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:590) 06-25 22:57:23.986: E/AndroidRuntime(7630): at dalvik.system.NativeStart.main(Native Method)

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  • How do you put an "IF DEBUG" condition in a c# program?

    - by xarzu
    How do you put an "IF DEBUG" condition in a c# program so that, at run time, it will ignore a set of code if you are running in Debug mode and yet, execute a block of code if the program is not running in debug mode? A situation where this can be used is if a time stamp is taken at the start of a block and another time stamp is taken at the end. THey will hardly differ at run time. Yet, if you are stepping through the code in debug mode, they will differ a lot, and error conditions in an "if block" might be kicked off leading to the untimely (pun) execution of some code.

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  • How to make an tiled background like on the web?

    - by mystify
    On the iPhone, how could I achieve the same tiled background effect? For example, I have an pattern image which I want to repeat only horizontally. Would I have to go the route in -drawRect: by myself and loop over to draw the pattern, or is there a convenient method to do that?

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  • Custom Tag Issue

    - by user1304570
    I got a problem in making custom tag in jsf2.0 for authentication.Actually I made a sample it get run successfully But When i am merging it with my project Its component class get skipped out.But When I remove Follwing entry from web.xml <context-param> <param-name> org.jboss.jbossfaces.JSF_CONFIG_NAME </param-name> <param-value>MyFaces-2.0</param-value> </context-param> It get run success fully .But It show a red line text in every page of my project i.e One or more resources have the target of 'head', but no 'head' component has been defined within the view.**

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  • Can I load a 32 bit DLL into a 64 bit process on Windows?

    - by Lee
    I recently upgraded a c# windows service to run as a 64 bit .net process. Normally, this would be trivial, but the system makes use of a 32-bit DLL written in C++. It is not an option to convert this DLL to 64 bit, so I wrapped the DLL in a separate 32 bit .net process and exposed a .net interface via remoting. This is quite a reliable solution, but I would prefer to run the system as a single process. Is there any way I can load my 32 bit DLL into a 64 bit process and access it directly (perhaps through some sort of thunking layer)?

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  • Multithreaded SDL error in C++

    - by wyatt
    I'm building a program in C++, using SDL, and am occasionally receiving this error: * glibc detected * ./assistant: double free or corruption (!prev) It's difficult to replicate, so I can't find exactly what's causing it, but I just added a second thread to the program, and neither thread run on its own seems to cause the error. The threads don't share any variables, though they both run the functions SDL_BlitSurface and SDL_Flip. Could running these concurrently throw up such an error, or am I barking up the wrong tree? If this is the cause, should I simply throw a mutex around all SDL calls? Thanks

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  • How can I check if an object has a specific method?

    - by Ghommey
    I want to use a method of an object. Like $myObject->helloWorld(). However there are a couple of methods so I loop through an array of method names and call the method like this: my $methodName ="helloWorld"; $myObject->$methodNames; This works quite nice but some objects don't have all methods. How can I tell whether $myObject has a method called helloWorld or not?

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  • Which is more efficient in mysql, a big join or multiple queries of single table?

    - by Tom Greenpoint
    I have a mysql database like this Post – 500,000 rows (Postid,Userid) Photo – 200,000 rows (Photoid,Postid) About 50,000 posts have photos, average 4 each, most posts do not have photos. I need to get a feed of all posts with photos for a userid, average 50 posts each. Which approach would be more efficient? 1: Big Join select * from post left join photo on post.postid=photo.postid where post.userid=123 2: Multiple queries select * from post where userid=123 while (loop through rows) { select * from photo where postid=row[postid] }

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  • Can I do a reduce on a list comprehension into two lists, based on two values?

    - by pdknsk
    I've got the following code. sum_review = reduce(add,[book['rw'] for book in books]) sum_rating = reduce(add,[book['rg'] for book in books]) items = len(books) avg_review = sum_review/items avg_rating = sum_rating/items What I'd like is this. sum_review,sum_rating = reduce(add,([book['rw'],[book['rg']) for book in books]) items = len(books) avg_review = sum_review/items avg_rating = sum_rating/items Obviously this doesn't work. How can I solve this redundancy, without a regular loop?

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  • set "Image File Execution Options" will always open the named exe file as default

    - by Weixiao.Fan
    just as this link says : http://untidy.net/blog/2009/11/03/replacing-notepad-with-pn-via-image-file-execution-options/ I wanna replace Notepad.exe to Notepad2.exe using "Image File Execution Options" function by run this command reg add "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\notepad.exe" /v "Debugger" /t REG_SZ /d "\"c:\windows\Notepad2.exe\" /z" /f but, when I run notepad, it open file c:\windows\notepad.exe in notepad2.exe as a text file by default. Is there a way to avoid that? I know using this tech Notepad.exe will as the first param passed to Notepad2.exe. but I don't know how to avoid this :(

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  • Log On As A Service Permission getting removed

    - by VicF
    We have PC's that are in a domain that run a windows service on startup. They continually are having the Log On As A Service permission removed for the domain account that is running the service. So when the PC restarts the service won't run. We can re-add the permission by hand to the Group Policy on the machine or retype the password on the service (which grants the permission) and it runs fine for a day or so. What could be removing it? Could it be a Default Policy that does not have this domain account being applied to the PCs thus removing the Log On As A Service permission?

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