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  • How to handle feedback from background threads if the user uses the back button?

    - by Janusz
    I have the following problem: I have an Activity where a user can start a web search showing a new activity to show a progress bar until the results are shown. Now the user can either wait for the results or maybe think about the search parameters, hit the back button and triggering a new search. The search is running in an Async Task and therefor still running if the user hits back. At the moment the thread finishes it calls some methods on the old activity causing the activity to show a dialog. This causes the system to crash because the dialog tries to show itself with a reference to an activity that is not longer present on the screen. How can I achieve a dialog that is only shown if the activity is still active?

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  • if (self = [super init]) vs. if ((self = [super init]))

    - by JOM
    Was just doing a code review and started to wonder: I thought if (self = [super init]) checks whether assigning return value of [super init] to variable self was successful or not (value of operation). Thus (self = nil) would actually be TRUE. I thought if ((self = [super init])) checks what is the value of self after assignment (value of variable). Thus ((self = nil)) would be FALSE. Which one is the correct way to use when initializing your own classes? Apple documentation uses the former one (for example here), which style I'm actually using now.

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  • Android App crashing on Back Button (performResumeActivity)

    - by Rutger
    My App consists of 2 Activities at the moment. . the MAIN activity with a Gallery View . a FriendsListActivity with a ListView When the user moves away from the FriendsListActivity with the back button, and returns to the MAIN activity the following error keeps popping up in debug mode. DalvikVM[localhost:8676] Thread [<1 main] (Suspended (exception RuntimeException)) ActivityThread.performResumeActivity(IBinder, boolean) line: 2095 ActivityThread.handleResumeActivity(IBinder, boolean, boolean) line: 2110 BinderProxy(ActivityThread$H).handleMessage(Message) line: 954 ActivityThread$H(Handler).dispatchMessage(Message) line: 99 Looper.loop() line: 123 ActivityThread.main(String[]) line: 3647 Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method] Method.invoke(Object, Object...) line: 507 ZygoteInit$MethodAndArgsCaller.run() line: 839 ZygoteInit.main(String[]) line: 597 NativeStart.main(String[]) line: not available [native method] Thread [<8 Binder Thread #2] (Running) Thread [<7 Binder Thread #1] (Running) With the LogCat 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): FATAL EXCEPTION: main 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): java.lang.RuntimeException: Unable to resume activity {com.package.MAIN/com.package.MAIN.MAIN}: java.lang.NullPointerException 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2095) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2110) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:954) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at android.os.Handler.dispatchMessage(Handler.java:99) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at android.os.Looper.loop(Looper.java:123) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at android.app.ActivityThread.main(ActivityThread.java:3647) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at java.lang.reflect.Method.invokeNative(Native Method) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at java.lang.reflect.Method.invoke(Method.java:507) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at dalvik.system.NativeStart.main(Native Method) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): Caused by: java.lang.NullPointerException 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at com.package.MAIN.MAIN.onResume(MAIN.java:91) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1149) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at android.app.Activity.performResume(Activity.java:3833) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2085) 03-13 22:01:10.972: ERROR/AndroidRuntime(1038): ... 10 more Further info in the Variables panel states: this: ActivityThread e: NullPointerException cause: NullPointerException detailMessage: null stackTrace: null r: ActivityThread$ActivityClientRecord activity: MAIN detailMessage after one Eclipse Resume: Unable to resume activity (MAIN) The code from the FriendsListActivity looks like this public class FriendsListActivity extends ListActivity { // =========================================================== // Fields // =========================================================== private ArrayList<Friend> friends = new ArrayList<Friend>(); private FriendsArrayAdapter friendsArrayAdapter; private ListView listView; // =========================================================== // onCreate // =========================================================== @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.friends_list); registerForContextMenu(getListView()); setButtonNewFriendClickListener(); } public void generateFriendsList() { FriendsService fs = new FriendsService(this); friends = fs.getFriendsList(); listView = (ListView) findViewById(android.R.id.list); friendsArrayAdapter = new FriendsArrayAdapter( this, R.layout.friend_list_item, friends); listView.setAdapter(friendsArrayAdapter); } @Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, v, menuInfo); MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.friends_context_menu, menu); } @Override public boolean onContextItemSelected(MenuItem item) { AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo(); FriendsService fs = new FriendsService(this); Friend f = new Friend(); f = friends.get(info.position); switch (item.getItemId()) { case R.id.edit: Intent i = new Intent(this, FriendEditActivity.class); i.putExtra("userid", f.userId); startActivity(i); return true; case R.id.delete: fs.deleteFriend(f.userId); generateFriendsList(); return true; default: return super.onContextItemSelected(item); } } // =========================================================== // onPause // =========================================================== protected void onPause() { super.onPause(); finish(); } // =========================================================== // onResume // =========================================================== protected void onResume() { super.onResume(); generateFriendsList(); } // =========================================================== // onStop // =========================================================== protected void onStop() { super.onStop(); } // =========================================================== // onDestroy // =========================================================== @Override protected void onDestroy() { super.onDestroy(); } // =========================================================== // Activity methods // =========================================================== private void setButtonNewFriendClickListener() { Button clickButton = (Button)findViewById(R.id.button_add_friend); clickButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { Intent i = new Intent(v.getContext(), FriendNewActivity.class); startActivity(i); } }); } The AndroidManifest looks like this <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="com.package.mypackage"> <uses-permission android:name="android.permission.CAMERA" /> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name="com.package.mypackage.mypackage" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".FriendsListActivity"></activity> <activity android:name=".FriendEditActivity"></activity> <activity android:name=".FriendNewActivity"></activity> <activity android:name=".TakePictureActivity"></activity> <activity android:name=".FriendsService"></activity> <activity android:name=".MyService"></activity> </application> <uses-sdk android:minSdkVersion="9" /> The MAIN activity looks like this: package com.package.mypackage; import java.util.ArrayList; import com.package.domain.Domain; import com.package.service.MyService; import com.package.viewadapter.myImageAdapter; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.Window; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemLongClickListener; import android.widget.Button; import android.widget.Gallery; import android.widget.Toast; public class myActivity extends Activity { // =========================================================== // Fields // =========================================================== private MyImageAdapter myImageAdapter; private ArrayList<Domain> domain = new ArrayList<Domain>(); // =========================================================== // onCreate // =========================================================== @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.main); /* Set Buttons to listen for any click event. */ setButtonFriendsClickListener(); setButtonCameraClickListener(); setButtonPreferencesClickListener(); } // =========================================================== // onStart // =========================================================== @Override public void onStart() { super.onStart(); /* Find the gallery defined in the main.xml */ Gallery g = (Gallery) findViewById(R.id.gallery); /* Show a Toast message when image is clicked */ g.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View v, int position, long id) { MyImageAdapter image_ID = new MyImageAdapter(myActivity.this, position, null); if (image_ID.getItemId(position) == 0) { Toast test_toast = Toast.makeText(myActivity.this, "This is the New Image click", Toast.LENGTH_SHORT); test_toast.show(); } else { Toast test_toast = Toast.makeText(myActivity.this, "The clicked image has image number " + image_ID.getItemId(position) + " in the imageadapter.", Toast.LENGTH_SHORT); test_toast.show(); } } }); g.setOnItemLongClickListener(new OnItemLongClickListener() { @Override public boolean onItemLongClick(AdapterView<?> parent, View v, int position, long id) { MyImageAdapter image_ID = new MyImageAdapter(myActivity.this, position, null); Toast test_toast = Toast.makeText(myActivity.this, "The long clicked image has image number " + image_ID.getItemId(position) + " in the imageadapter.", Toast.LENGTH_SHORT); test_toast.show(); return true; } }); } // =========================================================== // onPause // =========================================================== protected void onPause() { super.onPause(); } // =========================================================== // onResume // =========================================================== protected void onResume() { super.onResume(); generateMyGallery(); } // =========================================================== // onStop // =========================================================== protected void onStop() { super.onStop(); } // =========================================================== // onDestroy // Is also called when user changes from horizontal // to vertical orientation and back // =========================================================== @Override protected void onDestroy() { super.onDestroy(); } // =========================================================== // Save and Restore UI states // =========================================================== @Override protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); } protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); } // =========================================================== // Main Activity methods // =========================================================== public void generateMyGallery() { MyService cs = new MyService(this); domain = cs.getDomainList(); // Add the new_image drawable to the ArrayList Domain d = new Domain(); d.photoLocation = "drawable"; d.photoName = "new_image"; d.extra1 = "no_text"; d.extra2 = "no_text"; domain.add(0, d); myImageAdapter = new MyImageAdapter(this, R.layout.text_overlay_image_view, domain); /* Find the gallery defined in the main.xml */ Gallery g = (Gallery) findViewById(R.id.gallery); g.setSpacing(10); /* Apply a new (custom) ImageAdapter to it. */ g.setAdapter(myImageAdapter); g.setSelection(1); } private void setButtonFriendsClickListener() { Button clickButton = (Button)findViewById(R.id.button_friends_list); clickButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { setContentView(R.layout.friends_list); Intent myIntent = new Intent(v.getContext(), FriendsListActivity.class); startActivity(myIntent); } }); } private void setButtonCameraClickListener() { Button clickButton = (Button)findViewById(R.id.button_take_picture); clickButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { setContentView(R.layout.take_picture); Intent myIntent = new Intent(v.getContext(), TakePictureActivity.class); startActivity(myIntent); } }); } private void setButtonPreferencesClickListener() { Button clickButton = (Button)findViewById(R.id.button_preferences); clickButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { Intent myIntent = new Intent(v.getContext(), MyPreferencesActivity.class); startActivity(myIntent); } }); } }; Anyone has an idea why the App crashes. Any help is much appreciated. I did find out that, when I finish() the MAIN activity when I start the FriendListActivity and restart the MAIN activity when closing the FriendListActivity, that the crash does not occur. However, this basically restarts the App and that is not the intention. Thanks all, I got the problem solved. This is what I did. . When moving all gallery related actions to the onCreate, the creash didn't happen anymore. But then after returning to the MAIN activity, the activity wasn't shown. . I then moved all the onCreate (except the super), the generateGallery, and the onStart() to the onResume. Now it works fine!

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  • Action button: only true once per press

    - by Sidar
    I'm using SFML2.0 and am trying to make a wrapper class for my controller/joystick. I read all the input data from my controller and send it off to my controllable object. I want to have two types of buttons per button press, one that is continues(true false state ) and one that is an action and is set to false after the next frame update. Here is an example of how I set my button A to true or false with the SFML api. Whereas data is my struct of buttons, and A holds my true/false state every update. data.A = sf::Joystick::isButtonPressed(i,st::input::A); But I've also added "data.actionA" which represents the one time action state. Basically what I want is for actionA to be set false after the update its been set to true. I'm trying to keep track of the previous state. But I seem to fall into this loop where it toggles between true and false every update. Anyone an idea? Edit: Since I can't answer my own question yet here is my solution: data.actionA = data.A = sf::Joystick::isButtonPressed(i,st::input::A); if(prev.A) data.actionA = false; First I always set the actionA to the value of the button state. Then I check if the previous state of A is true. If so we negate the value.

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  • Update RDS db via mysqlbinlog: "you need (at least one of) the SUPER privilege(s)"

    - by timoxley
    We are moving a production site to EC2/RDS Followed these instructions: http://geehwan.posterous.com/moving-a-production-mysql-database-to-amazon I have set up row-based binary logging on the production server did a: mysqldump --single-transaction --master-data=2 -C -q -u root -p backup.sql then imported to RDS instance. No dramas. Due to the size of the db, and minimal downtime requirements, I've got to update the ec2 db to the latest datas via the binlogs, and it won't let me. mysqlbinlog mysql-bin.000004 --start-position=360812488 | mysql -uroot -p -h and it says: ERROR 1227 (42000) at line 6: Access denied; you need (at least one of) the SUPER privilege(s) for this operation My guess, based on what is on line 6 of the binlog, is that it's the 'write to the BINLOG' statements in the SQL backup, and because RDS doesn't support this, it can't run these statements, or something, I don't really know. Please help.

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  • PhP/HTML play button [migrated]

    - by Marian
    I'm wanting to make my own small webpage, I've got a domain Saoo.eu As you see there is a small play button in the corner witch plays a playlist. Is there anyway to have that playbutton on each page I'd add in the future without resetting every time the page changes? Am I forced to use iFrames for that? This is my player code <button id="audioControl" style="width:30px;height:25px;"></button> <audio id="aud" src="" autoplay autobuffer /> Script: $(document).ready(function() { $('#audioControl').html('II'); if(Modernizr.audio && Modernizr.audio.mp3) { audio.setAttribute("src",'http://daokun.webs.com/play0.mp3'); } else if(Modernizr.audio && Modernizr.audio.wav) { audio.setAttribute("src", 'http://daokun.webs.com/play0.ogg'); } }); var audio = document.getElementById('aud'), count = 0; $('#audioControl').toggle( function () { audio.pause(); $('#audioControl').html('>'); }, function () { audio.play(); $('#audioControl').html('II'); } ); audio.addEventListener("ended", function() { count++; if(count == 4){count = 0;} if(Modernizr.audio && Modernizr.audio.mp3) { audio.setAttribute("src",'http://daokun.webs.com/play'+count+'.mp3'); } else if(Modernizr.audio && Modernizr.audio.wav) { audio.setAttribute("src", 'http://daokun.webs.com/play'+count+'.ogg'); } audio.load(); });

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  • Facebook like button for a Facebook feed item

    - by jverdeyen
    Here is what I do: When the admin of a website i'm creating adds a new 'news' item to his website, it directly posts the same item on the Facebook 'fanpage' of the website. This is done by an Facebook app with the permissions to post an item on the Facebook fanpage. So far so good. I'm getting the new post id from the facebook graph. Here is what I want to achieve: I'm adding a 'like' button on the original website, but when this is clicked it should be referenced to the same post item on the facebook page. So if someone likes the news post on the website he should also like the referencing facebook feed post. Which is exactly the same. Can this be done? I've been playing around with the href etc of the like button, without any success. When I hit the like button it likes the url given, but is doesn't recognizes that this is a feed post. Any idea? Thx in advance.

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  • Backtick (Grave accent) button sticking

    - by Scott Lemmon
    I have Ubuntu 12.04 running in a Virtual Box virtual machine, on my Windows 7 32bit system. It has been working great, except that the backtick/tilde button sticks(not physically). When I hit the backtick button it keeps repeating until another input button is pressed. So if I press the spacebar while the backtick is repeating, it stops, but if I press the shift while it is repeating, the backtick turns into a tilde, and the tilde keeps repeating until I release the shift key (at which point it's a backtick again and keeps repeating). This sticking behavior only happens with the backtick key, and only in my Ubuntu virtualization, never in windows. I've tried both my laptop's keyboard and an external USB keyboard and the problem happens on both. Both keyboards I've tried are Japanese 106/109 key layout, but I'm using them with a English(US) 101 profile. When I refer to the backtick key above, I mean where it is on the US layout. If I use the Japanese profile, the key in that location (the US backtick location) still sticks, but its no longer mapped as the backtick key. Any thoughts as to what might be causing this and possible solutions? I've searched a lot, but have not found any help so far. Any help is greatly appreciated.

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  • Facebook like button for a Facebook feed item

    - by jverdeyen
    Here is what I do: When the admin of a website i'm creating adds a new 'news' item to his website, it directly posts the same item on the Facebook 'fanpage' of the website. This is done by an Facebook app with the permissions to post an item on the Facebook fanpage. So far so good. I'm getting the new post id from the facebook graph. Here is what I want to achieve: I'm adding a 'like' button on the original website, but when this is clicked it should be referenced to the same post item on the facebook page. So if someone likes the news post on the website he should also like the referencing facebook feed post. Which is exactly the same. Can this be done? I've been playing around with the href etc of the like button, without any success. When I hit the like button it likes the url given, but is doesn't recognizes that this is a feed post. Any idea? Thx in advance.

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  • How to make the run button run the project, not the file, in Eclipse

    - by Roy T.
    I'm using the Spring IDE, a variant of Eclipse to create a Java project. One big irritation I have is that when I press the run button Eclipse tries to run the current file, which usually fails because it doesn't have a main method. I've set up run configurations in the hope that would make the play button default to the run configuration instead of the current file, but that doesn't work either. Now to run my application correctly I have to press the little arrow next to play, select my favorite run configuration and then it works, this is only two extra clicks but it's tedious, the button is small and I feel like I shouldn't have to perform these extra steps. I mean what is the point of run configurations and projects if it still tries to run a file by default? Even more preferably I wouldn't even want to touch the mouse but just press Ctrl+F11, but this has the same behavior. All above applies to debugging as well btw. So my question is this: how do I make the run and debug buttons (and their short keys) default to the project's run configuration instead of to trying (and failing) to run only the current file? Much like it is in Visual Studio and other IDEs?

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  • Back button after doing posts on the same page

    - by user441521
    I have 3 pages to my site. The 1st page allows you to select a bunch of options. Those options get sent to the 2nd page to be displayed with some data about those options. From here I can click on a link to get to page 3 on 1 of the options. On page 3 I can create a new/edit/delete all on the same page where reloads come back to page 3. I want a "back" button on page 3 to go back to page 2, but retain the options it had from the original page 1 request. Page 1 has a bunch of check boxes which are passed to page 2 as arrays to the controller. My thought is that I have to pass these arrays (I converted them to lists) to page 3 (even thought page 3 directly doesn't need them) so that page 3 can use them in the back link to it can recreate the values page 1 sent to page 2 originally. I'm using asp.net MVC and when I pass the converted array it seems to convert it to the type instead of actually showing the values: "types=System.Collections.Generic.List" (where types is a List. Is this what is needed or are there other options to getting a "back" button in this case to go back to page 2. It's sort of a pain to pass information to page 3 that isn't really relevant to page 3 except the back button.

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  • Create a super user in MySQL 5.5 not working: Permission denied for root@localhost

    - by GHarping
    Using CentOS 6, logged in to MySQL as root, entering the command: create user 'user123' identified by 'pass123'; works fine. But when I try and give that user super user privileges with: grant all on *.* to 'user123' identified by 'pass123'; I get the error: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) Then select * from mysql.user; shows that root has Y in all columns, so should have all privileges. I'd be very grateful if anyone could help me find why root is unable to grant privileges as I can't see why it wouldn't be working. Thanks

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  • Jquery dynamic button : how to bind to exisitng click event by class

    - by omer bach
    I have a click event triggered by the class selector inside the jquery ready scope: $(".testBtn").click(function() { alert("This Works"); }); This works fine for static buttons how ever this doesn't work for dynamic buttons which are added upon clicking the button with "addRowBtn" id. I'm guessing that it has something to do with that the button is created after the event is registered but still the new button has the 'testBtn' class so it makes sense it should work. Any idea what am i doing wrong and how to make the dynamic buttons registered to the class selector click event? Here is the whole code, you can copy and paste into an html, click the 'add button' and try to click the added buttons. you'll see nothing happens. <html> <head> <script src='http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js'></script> <script src='http://ajax.googleapis.com/ajax/libs/jqueryui/1/jquery-ui.min.js'></script> <script> $(function() { $(".addRowBtn").click(function() { $("#mainTable tr:last").after("<tr><td><button class='testBtn'>NotWorking</button></td></tr>"); }); $(".testBtn").click(function() { alert("This Works"); }); }); </script> </head> <body> <table id="mainTable"> <button class="addRowBtn">Add button</button> <tr><th>Testing</th></tr> <tr><td><button class='testBtn'>Working</button></td></tr> </table> </body> </html>

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  • gwt get array button value

    - by graybow
    My gwt project have flexTable show data of image and button on each row and coll. But my button won't work properly. this is my current code: private Button[] b = new Button[]{new Button("a"),...,new Button("j")}; private int z=0; ... public void UpdateTabelGallery(JsArray str){ for(int i=0; i str.length(); i++){ b[i].setText(str.gettitle()); UpdateTabelGallery(str.get(i)); } } public void UpdateTabelGallery(GalleryData str){ Image img = new Image(); img.setUrl(str.getthumburl()); HTML himage= new HTML("a href="+str.geturl()+""+ img +"/a" + b[z] ); TabelGaleri.setWidget(y, x, himage); //is here th right place? b[z].addClickHandler(new ClickHandler(){ @Override public void onClick(ClickEvent event) { Window.alert("I wan to show the clicked button text" + b[z].getText()); } }); z++; } I'm still confuse where I should put my button handler. With this current code seems the clickhandler didn't work inside a looping. And if I put it outside loop its not working because I need to know which button clicked. I need to get my index button.but how? Is there any option than array button? thanks

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  • HTML + Button with text and image on it.

    - by lucky
    Hello, I have a problem in creating a Button with text and image on it. <td> <button type="submit" name="report" value="Report" <?php if($tab == 'Excel') echo "id=\"tab_inactive\""; else echo "id=\"tab_active\"" ; ?>> <img src="images/report.gif" alt="Report"/>Report </button> <button type="submit" name="excel" value="Excel" <?php if($tab == 'Excel' ) echo "id=\"tab_active\""; else echo "id=\"tab_inactive\"" ; ?>> <img src="images/Excel.gif" alt="Excel" width="16" height="16" /> Excel </button> </td> Here $tab is $tab = strlen(trim($_POST[excel]))>0 ? $_POST[excel] : $_POST[report]; I tried this way, but this is behaving so strangely. On click the button:- The submit function is working properly in firefox, but not in IE. Instead of submitting the value(in this example values are 'Report' and 'Excel'), indeed it is submitting the label of the button. That is if i am checking the value of array PRINT_R($_POST). The value of it is Array ( [report] =>(Icon that i used) Report [excel] => (Icon that i used) Excel [frm_analysis] => [to_analysis] => ) Here i have more than 1 button, then all the labels are submitted eventhough one of them is pressed. i dont how to capture which button is pressed. I even tried changing button type=button and onclick="document.formname.submit()" Even this is resulting in the same. Can you please help me to solve this.

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  • Blinking power button

    - by Mike Ramsey
    A friend asked me to look at his Gateway DX4640 desktop. When he presses the power button, power goes to the mobo (NVIDIA nForce 630i MCP73PV, GeForce 7100 chipset) and the CPU fan starts spinning. The power button slowely blinks on and off (blue) and the screen briefly says no signal and then goes black. And nothing else; no post code beeps. My initial two conjectures were: 1. Vista was stuck in sleep/hibernation mode, or 2. A power off had left the mobo in a bad state. The fix for both is to: a) Unplug the AC power cord b) hold the power button for 30 second to fully discharge the mobo It didn't help. I left the system unplugged from AC power for an hour. No change. I am out of ideas. Has anybody seen anything like this before? What does a blinking blue power button mean? How can I get more data points to guide trouble shooting? --Thank you, --Mike

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  • Preferred method to reload page with JavaScript?

    - by Mel
    Hey Guys, which way to reload a current page (using a button) would you prefer? <input type="button" value="Reload" onClick="history.go(0)"> <input type="button" value="Reload" onClick="location.reload(true)"> <input type="button" value="Reload" onClick="window.location.reload(true)"> <input type="button" value="Reload" onClick="window.location.href=window.location.href"> <input type="button" value="Reload" onClick="document.location.reload(true)"> <input type="button" value="Reload" onClick="document.location.href=document.location.href"> As the URL of the page changes frequently AFAIK a 'fallback function' like <a href="urlOfCurrentPage.html" onclick="window.location.reload(true);return false;">Reload</a> won't work for me, right?

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  • When overriding initWithCoder is it always necessary to call [super initWithCoder: coder]

    - by Evan
    In this code I am loading a View Controller (and associated View) from a .xib: -(id)initWithCoder:(NSCoder *)coder { [super initWithCoder:coder]; return self; } This successfully works, but I do not really understand what the line [super initWithCoder:coder] is accomplishing. Is that initializing my View Controller after my View has been initialized? Please be as explicit as possible when explaining. Thanks.

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  • super function doesn't work inside a maya python module

    - by sfjedi
    Somehow, this works fine in the Maya/Python script editor, but fails when it's inside of my module code. Anyone have any ideas? class ControlShape(object): def __init__(self, *args, **kwargs): print 'Inside ControlShape...' class Cross(ControlShape): def __init__(self, *args, **kwargs): print 'Entering Cross...' super(Cross, self).__init__(*args, **kwargs) print 'Leaving Cross...' x = Cross() This gives me a TypeError: super(type, obj): obj must be an instance or subtype of type.

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  • why Cannot invoke super constructor from enum constructor ?

    - by hilal
    public enum A { A(1); private A(int i){ } private A(){ super(); // compile - error // Cannot invoke super constructor from enum constructor A() } } and here is the hierarchy of enum A extends from abstract java.lang.Enum extends java.lang.Object Class c = Class.forName("/*path*/.A"); System.out.println(c.getSuperclass().getName()); System.out.println(Modifier.toString(c.getSuperclass().getModifiers()).contains("abstract")); System.out.println(c.getSuperclass().getSuperclass().getName());

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  • Python, invoke super constructor

    - by Mike
    class A: def __init__(self): print "world" class B(A): def __init__(self): print "hello" B() hello In all other languages I've worked with the super constructor is invoked implicitly. How does one invoke it in Python? I would expect super(self) but this doesn't work

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  • Calling super()

    - by Mike
    When do you call super() in Java? I see it in some constructors of the derived class, but isn't the constructors for each of the parent class called automatically? Why would you need to use super?

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  • Android Jelly Bean: fix search button [migrated]

    - by Jon Rodriguez
    I just upgraded my Nexus S from Android 4.0.something (I forget the subversion) to Android 4.1.1. The magnifying glass button used to be really useful -- it would trigger a search function within whatever app I was using. For example pressing it within the Maps app would search for a place, or pressing it within the Facebook app would search for a friend. But now, the magnifying glass button launches a google search no matter what the context is! This is extremely annoying and makes a lot of apps harder to use, especially Maps. How can I use a setting or a patch to revert the magnifying glass button to its old behavior?

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  • Custom Button in Google Chrome?

    - by Rev
    Is there a way to add a custom button in Google Chrome? I hate all the "Send to Instapaper" extensions in the web store, and love how the bookmarklet works, but I can't stand not having a favicon. Ideally, I'd just add a custom button next to the spanner in the top right, but I can't figure out how to do this. Even installing a custom extension would be fine, so if someone can point me in the right direction for that, that'd be great. Here's the closest thing I've found (it's for Firefox, not Chrome): http://www.readwriteweb.com/archives/how-to-turn-a-bookmarklet-into-a-nice-firefox-button.php

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