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• Intent flags to Login page redirect, killing previous Activities

  - by Christopher Francisco

  Basically I have a Service that at some points it will sync with the network in order to check if the token is still valid. if it isn't, it should redirect to the login screen (from the service) and if the user press the back button, it should NOT show the previous Activity but instead exit the app. I'm not asking how to hack onBackPressed, I already know how to do it. I'm asking how to accomplish this using the intent flags. So far I have tried the following: intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK); Using the FLAG_ACTIVITY_NEW_TASK is mandatory because I'm calling startActivity() from a service (or at least thrown exception told me so), and using FLAG_ACTIVITY_CLEAR_TOP cause it was supposed to remove all previous activities from the stack, leaving only the new one. The issue is if I press back, I am still able to go to the previous Activity, which makes me think the combination of both flags are clearing the activities in the NEW task, not in the previous one I might be wrong on the reason, but it doesn't work. Any help will be appreciated, thanks

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• YouTube app failes to open up when launched.

  - by user354738

  Below logs gives any clue ? The app just opens up (we could just see the tite of the app as YouTube and it goes back to launcher tray immd.) cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.google.android.youtube/.HomeActivity } 05-31 14:06:41.655: INFO/ActivityManager(1102): Start proc com.google.android.youtube for activity com.google.android.youtube/.HomeActivity: pid=2977 uid=10041 gids={3003} 05-31 14:06:41.655: DEBUG/KeyguardViewMediator(1102): setHidden false 05-31 14:06:41.796: INFO/foo(1102): ********** resuming: 1144012408 05-31 14:06:41.897: INFO/ActivityThread(2977): Publishing provider com.google.android.youtube.SuggestionProvider: com.google.android.youtube.suggest.SuggestionProvider 05-31 14:06:41.960: INFO/YouTube(2977): Distribution channel:mvapp-android-google 05-31 14:06:42.116: INFO/AndroidRuntime(2977): AndroidRuntime onExit calling exit(-42) 05-31 14:06:42.116: INFO/dalvikvm(2977): In threadExitCheck 0xbdb0 05-31 14:06:42.116: ERROR/dalvikvm(2977): Native thread exited without telling us 05-31 14:06:42.116: ERROR/dalvikvm(2977): Native thread 2977 status: 7 05-31 14:06:42.124: DEBUG/KeyguardViewMediator(1102): setHidden false 05-31 14:06:42.139: INFO/ActivityManager(1102): Process com.google.android.youtube (pid 2977) has died

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• In a pre-commit hook - how to access/compare current and previous versions of files

  - by EthanML

  I'm trying to add to our existing pre-commit SVN hook so that it will check for and block an increase in file size for files in specific directory/s. I've written a python script to compare two file sizes, which takes two files as arguments and uses sys.exit(0) or (1) to return the result, this part seems to work fine. My problem is in calling the python script from the batch file, how to reference the newly committed and previous versions of each file? The existing code is new to me and a mess of %REPOS%, %TXN%s etc and I'm not sure how to go about using them. Is there a simple, standard way of doing this? It also already contains code to loop through the changed files using svnlook changed, so that part shouldn't be an issue. Thanks very much

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• Create Static Library iOS Error

  - by bit-whacker

  This is FIrst time i try to create Cocoa Touch Static Library and follow these steps. Create New Project with Cocoa Touch Static Library named it By default i got single class with Demo.h and Demo.m. 2.Create a public function in .h and implement it in .m. 3.Select iOS Device and press cmd + B. 4.Copy Demo.a from products and the .h file drop it in my iOS App where i want to use it. 5.Then Import Demo.h and try to call the function that i wrote. Issue When try to Run the project showing this error. ld: warning: ignoring file /Users/Zenga/Documents/iOS/Static Library/myAppwithLib/Demo.a, file was built for archive which is not the architecture being linked (i386): /Users/Zenga/Documents/iOS/Static Library/myAppwithLib/Demo.a Undefined symbols for architecture i386: "_OBJC_CLASS_$_Demo", referenced from: objc-class-ref in ViewController.o ld: symbol(s) not found for architecture i386 clang: error: linker command failed with exit code 1 (use -v to see invocation) Please help if anyone have any idea about it.

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• Does my basic PHP Socket Server need optimization?

  - by Tom

  Like many people, I can do a lot of things with PHP. One problem I do face constantly is that other people can do it much cleaner, much more organized and much more structured. This also results in much faster execution times and much less bugs. I just finished writing a basic PHP Socket Server (the real core), and am asking you if you can tell me what I should do different before I start expanding the core. I'm not asking about improvements such as encrypted data, authentication or multi-threading. I'm more wondering about questions like "should I maybe do it in a more object oriented way (using PHP5)?", or "is the general structure of the way the script works good, or should some things be done different?". Basically, "is this how the core of a socket server should work?" In fact, I think that if I just show you the code here many of you will immediately see room for improvements. Please be so kind to tell me. Thanks! #!/usr/bin/php -q <? // config $timelimit = 180; // amount of seconds the server should run for, 0 = run indefintely $address = $_SERVER['SERVER_ADDR']; // the server's external IP $port = 9000; // the port to listen on $backlog = SOMAXCONN; // the maximum of backlog incoming connections that will be queued for processing // configure custom PHP settings error_reporting(1); // report all errors ini_set('display_errors', 1); // display all errors set_time_limit($timelimit); // timeout after x seconds ob_implicit_flush(); // results in a flush operation after every output call //create master IPv4 based TCP socket if (!($master = socket_create(AF_INET, SOCK_STREAM, SOL_TCP))) die("Could not create master socket, error: ".socket_strerror(socket_last_error())); // set socket options (local addresses can be reused) if (!socket_set_option($master, SOL_SOCKET, SO_REUSEADDR, 1)) die("Could not set socket options, error: ".socket_strerror(socket_last_error())); // bind to socket server if (!socket_bind($master, $address, $port)) die("Could not bind to socket server, error: ".socket_strerror(socket_last_error())); // start listening if (!socket_listen($master, $backlog)) die("Could not start listening to socket, error: ".socket_strerror(socket_last_error())); //display startup information echo "[".date('Y-m-d H:i:s')."] SERVER CREATED (MAXCONN: ".SOMAXCONN.").\n"; //max connections is a kernel variable and can be adjusted with sysctl echo "[".date('Y-m-d H:i:s')."] Listening on ".$address.":".$port.".\n"; $time = time(); //set startup timestamp // init read sockets array $read_sockets = array($master); // continuously handle incoming socket messages, or close if time limit has been reached while ((!$timelimit) or (time() - $time < $timelimit)) { $changed_sockets = $read_sockets; socket_select($changed_sockets, $write = null, $except = null, null); foreach($changed_sockets as $socket) { if ($socket == $master) { if (($client = socket_accept($master)) < 0) { echo "[".date('Y-m-d H:i:s')."] Socket_accept() failed, error: ".socket_strerror(socket_last_error())."\n"; continue; } else { array_push($read_sockets, $client); echo "[".date('Y-m-d H:i:s')."] Client #".count($read_sockets)." connected (connections: ".count($read_sockets)."/".SOMAXCONN.")\n"; } } else { $data = @socket_read($socket, 1024, PHP_NORMAL_READ); //read a maximum of 1024 bytes until a new line has been sent if ($data === false) { //the client disconnected $index = array_search($socket, $read_sockets); unset($read_sockets[$index]); socket_close($socket); echo "[".date('Y-m-d H:i:s')."] Client #".($index-1)." disconnected (connections: ".count($read_sockets)."/".SOMAXCONN.")\n"; } else { if ($data = trim($data)) { //remove whitespace and continue only if the message is not empty switch ($data) { case "exit": //close connection when exit command is given $index = array_search($socket, $read_sockets); unset($read_sockets[$index]); socket_close($socket); echo "[".date('Y-m-d H:i:s')."] Client #".($index-1)." disconnected (connections: ".count($read_sockets)."/".SOMAXCONN.")\n"; break; default: //for experimental purposes, write the given data back socket_write($socket, "\n you wrote: ".$data); } } } } } } socket_close($master); //close the socket echo "[".date('Y-m-d H:i:s')."] SERVER CLOSED.\n"; ?>

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• How to run a .class file in Windows 7 OS?

  - by jNoob

  Hi, This is probably a stupid question, but how do I run a class file on windows 7? I usually create my own .java files and then use a basic IDE (with JDK6) to compile it to a class and run it automatically. My professor gave a .class file that we are supposed to play with extensively but I have no idea how to to run it here. Note that I cannot run it by typing: java classname.class because it contains gui stuff especially buttons and such. If I do the above I get the following error: java.lang.NoClassDefFoundError: Test1/2/class Caused by: java.lang.ClassNotFoundException: Test1.2.class at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClassInternal(Unknown Source) Could not find the main class: Test1.2.class. Program will exit. Exception in thread "main" Any help would be highly appreciated. Thanks.

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• Stopping and Starting Apache Using PHP (!)

  - by Abs

  Hello all, I have two problems which are related. 1) I have a batch file that contains this: net stop wampapache net start wampapache Which tries to stop and start my wamp server. When I double click the stop.bat file with the above it works successfully. When I try to run that from my PHP script, it stops the server but doesn't start it fully which I am guessing is because Apache is waiting for that PHP process to exit? function php_kill(){ exec('stop.bat', $output = array(), $return); return $return; } 2) Is there a way to restart my webserver (apache) whilst keeping session variables that PHP needs available? Thanks all

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• Windows batch file: Pipe destroys my return code

  - by murxx

  Hi, is it possible to return the errorlevel also if I pipe the output of a script into a logfile: test1.bat: call test2.bat 2>&1 | tee log.txt echo ERRORLEVEL: %ERRORLEVEL% test2.bat: exit /B 1 Output when calling test1.bat: ERRORLEVEL: 0 The errorlevel is always 0. The problem is, I want to call another script inside my script where the output should be redirected synchronously with the output shown in the command line, therefore a simple is not enough for me. I tried several ideas, but result is that the pipe always seems to destroy the given error-level... :( Can you give me any further suggestions? Thanks in advance... :)

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• Integrate with Google calendar ?

  - by Karthick

  Hi all.I am using the following code to integrate with google calendar. CalendarService myService = new CalendarService("CalService"); myService.setUserCredentials("[email protected]", "xxxxxxx"); URL feedUrl = new URL("https://www.google.com/calendar/feeds/default/private/"); CalendarFeed resultFeed = myService.getFeed(feedUrl, CalendarFeed.class); System.out.println("Your calendars:"); for (int i = 0; i < resultFeed.getEntries().size(); i++) { CalendarEntry entry = resultFeed.getEntries().get(i); System.out.println("\t" + entry.getTitle().getPlainText()); } But it gives the Exception: Invalid credentials ERROR: JDWP Unable to get JNI 1.2 environment, jvm->GetEnv() return code = -2 JDWP exit error AGENT_ERROR_NO_JNI_ENV(183): [../../../src/share/back/util.c:820] Help me to solve this. Can anyone please list the needed jar files to adding calendar events to Google calendar

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• gprof and execl() - is it possible?

  - by Chris

  Background: I have a game (an old-school-esque MUD) which I've been attempting to profile with gprof. The documentation of gprof (on Linux 2.6) states that The profiled program must call "exit"(2) or return normally for the profiling information to be saved in the gmon.out file. Now, if I kill the server with the shutdown command, the application "returns normally" (i.e., main() returns) and I get a gmon.out to analyze. However, it's far more common to reboot the server. The reboot command does the following: Writes usernames and socket FD numbers to disc. Makes a call to execl(). The new process looks for the stored data, picks up the FDs, and moves on. I see the following error on the command line, as the whole process fails: Profiling timer expired ./program Question: Is it possible to get a gmon.out file from the execl()-calling process? Perhaps some environmental parameter to execl(), or else perhaps a different, gprof-friendly, system call to achieve the same effect (beginning a new process while preserving file descriptors)?

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• dynimically using pointer

  - by gcc

  Input: 3 1 2 n 4 5 d 1 21 30 x Output: 2: 4 5 21 30 Input: 3 j 3 34 6 22 10 51 n 1 2 j 1 3 4 5 n 6 7 x Output: 1: 1 2 3 4 5 2: 6 7 3: 34 6 22 10 51 'j': (Jump to array# command) 'd': (Delete array# command) 'n': (Next array command) 'x': (Exit command) #: (Integer number) int num_arrays; /* maximum number of arrays */ int **arrays; /* array of array pointers */ int *l_arrays; /* actual lengths of arrays */ int *c_arrays; /* actual capacities of arrays */ how can we write that code

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• static effect on python

  - by fatai

  how we can construct static effect on python instead of using class and global ? not like that one : global a a = [] #simple ex ; fonk ( a , b , d) x = 1 a.append ( x) EDIT: I want to create temporary memory , if I exit the function namely fonk , I want to save change as list on temporary memory . We can do that demand only put static keyword in front of data type but in python , we dont have static, so I want that effect in python . Therefore , how can I do ? As above code say "a" represents temporary memory

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• Convert c++ argument to int

  - by happyCoding25

  Hello, I have a small c++ program that needs to get and argument and convert it to an int. Here is my code so far: #include <iostream> using namespace std; int main(int argc,int argvx[]) { int i=1; int answer = 23; int temp; // decode arguments if(argc < 2) { printf("You must provide at least one argument\n"); exit(0); } // Convert it to an int here }

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• From Dictionary To File Python

  - by user3600560

  I am basically trying to write this information from my dictionary to this file. I have this dictionary named files = {} and it is for a filing system I am making. Anyhow it is always being update with new items, and I want those items to be uploaded to the file. Then if you exit the program the files are loaded back to the dictionary files = {}. Here is the code I have so far: file = {} for i in files: g = open(i, 'r') g.read(i) g.close() EDIT I want the contents of the dictionary to be written to a file. The items inside the dictionary are all stored like this: files[filename] = {filedate:filetext} where filename is the file's name, filedate is the date that the file was made on, and the filetext is the files contents.

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• how read data from file and execute to MYSQL?

  - by Mahran Elneel

  i create form to load sql file and used fopen function top open file and read this but when want to execute this data to database not work? what is wrong in my code????????????? $ofile = trim(basename($_FILES['sqlfile']['name'])); $path = "sqlfiles/".$ofile; //$data = settype($data,"string"); $file = ""; $connect = mysql_connect('localhost','root',''); $selectdb = mysql_select_db('files'); if(isset($_POST['submit'])) { if(!move_uploaded_file($_FILES['sqlfile']['tmp_name'],"sqlfiles/".$ofile)) { $path = ""; } $file = fopen("sqlfiles/".$ofile,"r") or exit("error open file!"); while (!feof($file)) { $data = fgetc($file); settype($data,"string"); $rslt = mysql_query($data); print $data; } fclose($file); }

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• what is the correct way to close a socket in python 2.6?

  - by davidshen84

  hi, i have a simple server/client. and i am using the netcat as the client to test the server. if i stop the server before the client exit, i will not be able to start the server again for a while and i go this error: " [Errno 98] Address already in use " but if i close the client first, then the server stops, i will not have this issue. my server socket works like this: try: s=socket s.bind(..) s.listen(1) conn,addr=s.accept() finally: conn.close() s.close() it feels to me that the server did not close the socket properly. but i do not know how to fix this.

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• Running script constantly in background: daemon, lock file with crontab, or simply loop?

  - by Mauritz Hansen

  I have a Perl script that queries a database for a list of files to process processes the files and then exits Upon startup this script creates a file (let's say script.lock), and upon exit it removes this file. I have a crontab entry that runs this script every minute. If the lockfile exists then the script exits, assuming that another instance of itself is running. The above process works fine but I am not very happy with the robustness of this approach. Specifically, if for some reason the script exits prematurely and the lockfile is not removed then a new instance will not execute properly. I would appreciate some advice on the following: Is using the lock file a good approach or is there a better/more robust way to do this? Is using crontab for this a good idea or could I better write an endless loop with sleep()? Should I use the GNU 'daemon' program or the Perl Proc::Daemon module (or some other equivalent) for this?

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• Write a function int mystrlen(char *s) that returns the number of characters in a string wuthout str

  - by henry

  heres what i did, i just have ne error that i cant figure out. int mystrlen(char string[]) { char string1[LENGHT], string2[LENGHT]; int len1, len2; char newstring[LENGHT*2]; printf("enter first string:\n"); len1 = mystrlen(string1); printf("enter second string:\n"); len2 = mystrlen(string2); if(len1 == EOF || len2 == EOF) exit(1); strcpy(newstring, string1); strcat(newstring, string2); printf("%s\n", newstring); return 0;

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• mysql to xls sheet genration problemI(getting html code along with records ,unable get column names)

  - by pmms

  <?php if($_POST['Submit']=='Generatexml') { $tblname=$_GET['genratexml']; //mysql_connect("localhost","root",""); //mysql_select_db("hitnrunf_db"); global $obj_mysql; $result = mysql_query("SELECT * FROM tbl_js_login"); while($row = mysql_fetch_array($result)) { $csv_output .= "$row[fld_id],$row[fld_fname],$row[fld_lname]"; $csv_output .="\015\012"; } header("Content-type: application/vnd.ms-excel"); header("Content-disposition: csv; filename= Student_Data_". date("Y-m-d") . ".csv"); print $csv_output; exit; } include_once $path."includes/jobseeker_form.php"; ?> In the above we are getting html code along wtih id, firstname, lastname columns. we are unable to get the heading of the columns also How to remove Html code from xls file also need to get headers

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• Use nested static class as ActionListener for the Outer class

  - by Digvijay Yadav

  I want to use an nested static class as an actionListener for the enclosing class's GUI elements. I did something like this: public class OuterClass { public static void myImplementation() { OuterClass.StartupHandler startupHandler = new OuterClass.StartupHandler(); exitMenuItem.addActionListener(startupHandler); // error Line } public static class StartupHandler implements ActionListener { @Override public void actionPerformed(ActionEvent e) { //throw new UnsupportedOperationException("Not supported yet."); if (e.getSource() == exitMenuItem) { System.exit(1); } else if (e.getSource() == helpMenuItem) { // show help menu } } } } But when I invoke this code I get the NullPointerException at the //error Line. Is this the right method to do do this or there is something I did am missing?

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• how to use a wav file in eclipse

  - by AlphaAndOmega

  I've been trying to add audio to a project I've been doing. I found some code on here for html that is also supposed to work with file but it keeps saying "Exception in thread "main" javax.sound.sampled.UnsupportedAudioFileException: could not get audio input stream from input file at javax.sound.sampled.AudioSystem.getAudioInputStream(Unknown Source) at LoopSound.main(LoopSound.java:15)" the code public class LoopSound { public static void main(String[] args) throws Throwable { File file = new File("c:\\Users\\rabidbun\\Pictures\\10177-m-001.wav"); Clip clip = AudioSystem.getClip(); // getAudioInputStream() also accepts a File or InputStream AudioInputStream wav = AudioSystem.getAudioInputStream( file ); clip.open(wav); // loop continuously clip.loop(-1000); SwingUtilities.invokeLater(new Runnable() { public void run() { // A GUI element to prevent the Clip's daemon Thread // from terminating at the end of the main() JOptionPane.showMessageDialog(null, "Close to exit!"); } }); } } What is wrong with the code?

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• (PHP)how to hold javascript alertbox on screen

  - by Piyush

  when user changes password I want to show message "Successfully changed!" and when user clicks on OK button of alert box I call logout.php and force user to login with new password.But the problem is PHP header() is not waiting for alertbox and directly goes to logout.php. my code- if($count==1) { $sqlchange="UPDATE $tbl_name SET password='$newpassword' WHERE userId='$myusername'"; unset($result); $result=mysql_query($sqlchange,$link); if($result>0) { ?> <script type="text/javascript"> alert("Your Password has been changed successfully.Please login again."); </script> <?php header("location:logout.php"); exit; } else {....

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• MyLocationOverlay dissappears, is not there onResume.

  - by Paul

  I have a mapView to which I add a MyLocationOverlay. It displays fine when the app starts from scratch (goes through onCreate). If I exit the app (back button) and then start it again (onResume), the overlay is gone. I have tried to fix this for 10+ hours. All sorts of messing with re-adding the overlay. Resetting the overlays. Changing the maps location so it's forced to redraw. Trying to manually invalidate or force a redraw of the overlay. NOTHING has worked. From the way the code looks, the Overlay object exists and everything is working fine - but it's just not on the map. Is anybody else having this problem? (Droid Incredible, 2.2)

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• php most memory efficient way to return files

  - by bumperbox

  so i have a bunch of files, some can be up to 30-40mb and i want to use php to handle security of the files, so i can control who has access to them that means i have a script sort of like this rough example $has_permission = check_database_for_permission($user, filename); if ($has_permission) { header('Content-Type: image/jpeg'); readfile ($filename); exit; } else { // return 401 error } i would hate for every request to load the full file into memory, as it would soon chew up all the memory on my server with a few simultaneous requests so a couple of questions is readfile the most memory efficient way of doing this? is there some better method of achieving the same outcome, that i am overlooking? server: apache/php5 thanks

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• Explicitly persist states in Workflow 4.0 rather than everything.

  - by jlafay

  I have ran into an issue with my SQL instance store attached to a WorkflowApplication that is running. When I exit my application I'm calling an Unload() on the WF app to persist it. I didn't think about it during design time, but it does makes sense, it's persisting an arg that was passed in to the WorkflowApplication constructor when instanced. When the application runs, everything in the workflow works as expected. When I call Unload() I get an unhandled exception that states that the arg is not serializable and needs [DataContractAttribute]. What's passed into the workflow is my applications custom logger object that I wrote so that the WF can log to disk in a uniform way that I prefer. How do I prevent the workflow app from persisting this one argument and persist everything else? I'm sure something can be done with extensions but I'm having a hard time finding info on them or finding persistence examples for my scenario.

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