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• screen blacks out after pressing a key on keyboard, specially enter key

  - by ahmad598

  I have natty, and i have installed kubuntu-desktop package. before installing it, everything was fine but after that, this thing happens: when I'm typing, after stroking a key, screen blacks out, fan speeds up, and i have to turn off machine by pressing power button. it just happens in many different apps (chromium, hotot, kde proxy settings, ...) and in every environment: unity, kde, gnome 2. i don't know what details i must provide with this question, and i don't like to remove my kde desktop, or re-install my ubuntu. any ideas are appreciated ;-)

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• Cocoa Key Value Bindings: What are the explanations of the various options for Controller Key?

  - by Elisabeth

  When I bind a control to an NSArrayController using Interface Builder, there are a variety of options under the "Controller Key" field in the bindings inspector. I understand what "arrangedObjects" is, and I semi-understand what "selection" is, but I'd love to see a really nice explanation of all the options and when to use each one. The list includes: selectionIndexes, selectionIndex, selectedObject, sortDescriptors, etc. I haven't been able to find a good explanation of these options. I'm having trouble with a button that's bound to target selection, so I'm hoping a much deeper understanding of these Controller Keys might help me debug my issue. Thanks!!!

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• MySQL primary/foreign key size?

  - by David

  I seem to see a lot of people arbitrarily assigning large sizes to primary/foreign key fields in their MySQL schemas, such as INT(11) and even BIGINT(20) as WordPress uses. Now correct me if I'm wrong, but even an INT(4) would support (unsigned) values up to over 4 billion. Change it to INT(5) and you allow for values up to a quadrillion, which is more than you would ever need, unless possibly you're storing geodata at NASA/Google, which I'm sure most of us aren't. Is there a reason people use such large sizes for their primary keys? Seems like a waste to me...

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• juju -v status ERROR Invalid SSH key

  - by Captain T

  root@cloudcontrol:/storage# juju -v status 2012-06-07 11:19:47,602 DEBUG Initializing juju status runtime 2012-06-07 11:19:47,621 INFO Connecting to environment... 2012-06-07 11:19:47,905 DEBUG Connecting to environment using node-386077143930... 2012-06-07 11:19:47,906 DEBUG Spawning SSH process with remote_user="ubuntu" remote_host="node-386077143930" remote_port="2181" local_port="57004". The authenticity of host 'node-386077143930 (10.5.5.113)' can't be established. ECDSA key fingerprint is 31:94:89:62:69:83:24:23:5f:02:70:53:93:54:b1:c5. Are you sure you want to continue connecting (yes/no)? yes 2012-06-07 11:19:52,102 ERROR Invalid SSH key 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@658: Client environment:zookeeper.version=zookeeper C client 3.3.5 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@662: Client environment:host.name=cloudcontrol 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@669: Client environment:os.name=Linux 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@670: Client environment:os.arch=3.2.0-23-generic 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@671: Client environment:os.version=#36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@log_env@679: Client environment:user.name=sysadmin 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@log_env@687: Client environment:user.home=/root 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@log_env@699: Client environment:user.dir=/storage 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@zookeeper_init@727: Initiating client connection, host=localhost:57004 sessionTimeout=10000 watcher=0x7feb11afc6b0 sessionId=0 sessionPasswd= context=0x2dc7d20 flags=0 2012-06-07 11:19:52,429:18541(0x7feb0e856700):ZOO_ERROR@handle_socket_error_msg@1579: Socket [127.0.0.1:57004] zk retcode=-4, errno=111(Connection refused): server refused to accept the client 2012-06-07 11:19:55,765:18541(0x7feb0e856700):ZOO_ERROR@handle_socket_error_msg@1579: Socket [127.0.0.1:57004] zk retcode=-4, errno=111(Connection refused): server refused to accept the client This is from a clean install with 2 nodes all running 12.04 Precise juju bootstrap - finishes with no errors and allocates the machine to the user but still no joy after juju environment-destroy and rebuild with different users and different nodes. Anyone got any ideas

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• Invalid SSH key erron in juju

  - by Captain T

  This is the output of juju from a clean install with 2 nodes all running 12.04 Precise juju bootstrap - finishes with no errors and allocates the machine to the user but still no joy after juju environment-destroy and rebuild with different users and different nodes. root@cloudcontrol:/storage# juju -v status 2012-06-07 11:19:47,602 DEBUG Initializing juju status runtime 2012-06-07 11:19:47,621 INFO Connecting to environment... 2012-06-07 11:19:47,905 DEBUG Connecting to environment using node-386077143930... 2012-06-07 11:19:47,906 DEBUG Spawning SSH process with remote_user="ubuntu" remote_host="node-386077143930" remote_port="2181" local_port="57004". The authenticity of host 'node-386077143930 (10.5.5.113)' can't be established. ECDSA key fingerprint is 31:94:89:62:69:83:24:23:5f:02:70:53:93:54:b1:c5. Are you sure you want to continue connecting (yes/no)? yes 2012-06-07 11:19:52,102 ERROR Invalid SSH key 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@658: Client environment:zookeeper.version=zookeeper C client 3.3.5 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@662: Client environment:host.name=cloudcontrol 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@669: Client environment:os.name=Linux 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@670: Client environment:os.arch=3.2.0-23-generic 2012-06-07 11:19:52,426:18541(0x7feb13b58700):ZOO_INFO@log_env@671: Client environment:os.version=#36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@log_env@679: Client environment:user.name=sysadmin 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@log_env@687: Client environment:user.home=/root 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@log_env@699: Client environment:user.dir=/storage 2012-06-07 11:19:52,428:18541(0x7feb13b58700):ZOO_INFO@zookeeper_init@727: Initiating client connection, host=localhost:57004 sessionTimeout=10000 watcher=0x7feb11afc6b0 sessionId=0 sessionPasswd=<null> context=0x2dc7d20 flags=0 2012-06-07 11:19:52,429:18541(0x7feb0e856700):ZOO_ERROR@handle_socket_error_msg@1579: Socket [127.0.0.1:57004] zk retcode=-4, errno=111(Connection refused): server refused to accept the client 2012-06-07 11:19:55,765:18541(0x7feb0e856700):ZOO_ERROR@handle_socket_error_msg@1579: Socket [127.0.0.1:57004] zk retcode=-4, errno=111(Connection refused): server refused to accept the client

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• POJOs for Composite Primary Key from Foreign Key

  - by Gaurav

  hi, I have table in database that has only two columns and these two colums are FK references. they have made these two colums as composite primarykey. table structure Table A [ A_id PK Description ] Table B [ B_Id PK Description ] Table A_B_Pemissiom [ A_id (FK table A) B_Id (FK table B) PrimaryKey ( A_id,B_Id ) ] Can anyone help , I tried several ways and none of them works. Can anyone tell a working Hibernate mapping solution using annotations ? Thanks, Gaurav

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• does the order a composite key is defined matter?

  I have a table with (col1,col2) as a composite primary key. create table twokeytable(col1 int,col2 int,constraint twokeytable_pk primary key (col1,col2)); and another table with col3,col4 collumns witha composite foreign key(col3,col4) which references the(col1,col2) primary key. For some processing I need to drop the foreign key and primary constraints .While restoring the constraints does order of the keys matter?. are these same? create table fktwokeytable(col3 int,col4 int,constraint fkaddfaa_fk foreign key(col4,col3) references twokeytable(col1,col2)) and create table fktwokeytable(col3 int,col4 int,constraint fkaddfaa_fk foreign key(col3,col4) references twokeytable(col1,col2))

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• Jupiter Changes Display when using volume key bindings

  - by user87797

  I recently downloaded jupiter on ubuntu 12.04 ASUS U36JC and I noticed that my display would switch from clone to exterior to clone everytime that I used the keys that control the volume. Hit "function volume down" and the screen goes blank, hit "function volume up" and the display come back. This only happens when I am running jupiter and I assume there is a key binding issue, but I don't know how to fix it. No options other than the regular ones show up in the keyboard settings under system tools.

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• How to handle key in PhP array if the key contains japanese characters [migrated]

  - by Jim Thio

  I have this array: [ID] => ????????-???????????__35.79_139.72 [Email] => [InBuildingAddress] => [Price] => [Street] => [Title] => ???????? ??????????? [Website] => [Zip] => [Rating Star] => 0 [Rating Weight] => 0 [Latitude] => 35.7865334803033 [Longitude] => 139.716800710514 [Building] => [City] => Unknown_Japan [OpeningHour] => [TimeStamp] => 0000-00-00 00:00:00 [CountViews] => 0 Then I do something like this: $output[$info['ID']]=$info; //mess up here $tes=$info['ID']['Title']; Well guess what it messes up. Basically even though the content of an array in PhP can be Japanese. Is this true? What's wrong. The error I got is: Debug Warning: /sdfdsfdf/api/test2.php line 36 - Cannot find element ????????-???????????__35.79_139.72 in variable Debug Warning: /sdfdsfdf/api/test2.php line 36 - main() [function.main]: It is not safe to rely on the system's timezone settings. You are required to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Krasnoyarsk' for '7.0/no DST' instead So many question mark Why is this happening. What's really going on inside PhP? Where can I learn more of such things. Most importantly, what would be the best way to handle this situation. Should I tell PhP to internally always use UTF-8? Does PhP array inherenty cannot use non ascii id?

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• SQL Server: Natural Key Versus Surrogate Key

  When designing a database to support applications you need to consider how you are going to handle primary keys. This article explores natural and surrogate keys, and discusses the pros and cons of each, allowing you to determine what makes the best sense in your environment when you are designing your databases. NEW! SQL Monitor 2.0Monitor SQL Server Central's servers withRed Gate's new SQL Monitor.No installation required. Find out more.

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• HashMap key problems

  - by Peterdk

  I'm profiling some old java code and it appears that my caching of values using a static HashMap and a access method does not work. Caching code (a bit abstracted): static HashMap<Key, Value> cache = new HashMap<Key, Value>(); public static Value getValue(Key key){ System.out.println("cache size="+ cache.size()); if (cache.containsKey(key)) { System.out.println("cache hit"); return cache.get(key); } else { System.out.println("no cache hit"); Value value = calcValue(); cache.put(key, value); return value; } } Profiling code: for (int i = 0; i < 100; i++) { getValue(new Key()); } Result output: cache size=0 no cache hit (..) cache size=99 no cache hit It looked like a standard error in Key's hashing code or equals code. However: new Key().hashcode == new Key().hashcode // TRUE new Key().equals(new Key()) // TRUE What's especially weird is that cache.put(key, value) just adds another value to the hashmap, instead of replacing the current one. So, I don't really get what's going on here. Am I doing something wrong?

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• What does this ssh error mean?

  - by kevin

  This is my last resort. I've been trying to figure out the problem here for hours. Here's the deal: I have copied my private key from machine #1 onto machine #2. Machine #1 is able to connect via ssh to a server with my public key just fine, but machine #2 gives the following output, when trying to connect to the server: $ ssh -vvv -i /home/kevin/.ssh/kev_rsa [email protected] -p 22312 OpenSSH_5.3p1 Debian-3ubuntu6, OpenSSL 0.9.8k 25 Mar 2009 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to 192.168.1.244 [192.168.1.244] port 22312. debug1: Connection established. debug3: Not a RSA1 key file /home/kevin/.ssh/kev_rsa. debug2: key_type_from_name: unknown key type '-----BEGIN' debug3: key_read: missing keytype debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace debug3: key_read: missing whitespace ... Permission denied (publickey). There is obviously more debug output that I have omitted, and I can provide upon request. I am convinced however that it doesn't like my private key file. I also had a suspicion that it has to do with how I copied it from machine #1 to machine #2. I copy/pasted the text from the private key onto a flash drive. This might be the problem, however, when I duplicated this method on another working private key file, and did a diff on the original, to the copy/pasted one, they are identical. I've been struggling with this. If I could just get a little more information on why it doesn't like my key, I could fix it I'm sure. Anyone have any ideas on this? Is there some meta-data somewhere that tells ssh that a file is in fact an RSA key?

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• Ubuntu 12.04 + Eclipse 64 bits key binding error

  - by user110933

  The text is quite extense so, this is just a part of it: !SESSION 2012-11-23 10:15:52.442 ----------------------------------------------- eclipse.buildId=I20120608-1200 java.version=1.7.0_09 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Command-line arguments: -os linux -ws gtk -arch x86_64 !ENTRY org.eclipse.jface 2 0 2012-11-23 10:16:06.408 !MESSAGE Keybinding conflicts occurred. They may interfere with normal accelerator operation. !SUBENTRY 1 org.eclipse.jface 2 0 2012-11-23 10:16:06.408 !MESSAGE A conflict occurred for ALT+SHIFT+R: Binding(ALT+SHIFT+R, ParameterizedCommand(Command(oracle.eclipse.tools.common.services.ui.refactor.rename.command,Rename, Rename the selected text., Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), oracle.eclipse.tools.common.services.ui.refactor.internal.ArtifactRefactoringCommandHandler, ,,true),null), org.eclipse.ui.defaultAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,system) Binding(ALT+SHIFT+R, ParameterizedCommand(Command(org.eclipse.jdt.ui.edit.text.java.rename.element,Rename - Refactoring , Rename the selected element, Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), , ,,true),null), org.eclipse.ui.defaultAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,system) !ENTRY org.eclipse.ui.workbench 4 0 2012-11-23 10:16:10.409 !MESSAGE An unexpected exception was thrown. !STACK 0 java.lang.NullPointerException at org.eclipse.ui.internal.WorkbenchWindow.putToolbarLabel(WorkbenchWindow.java:1697) at org.eclipse.ui.internal.menus.MenuAdditionCacheEntry.createToolBarAdditionContribution(MenuAdditionCacheEntry.java:208) at org.eclipse.ui.internal.menus.MenuAdditionCacheEntry.createContributionItems(MenuAdditionCacheEntry.java:177) at org.eclipse.ui.internal.menus.TrimContributionManager.update(TrimContributionManager.java:224) at org.eclipse.ui.internal.WorkbenchWindow.updateLayoutDataForContents(WorkbenchWindow.java:3874) at org.eclipse.ui.internal.WorkbenchWindow.setCoolBarVisible(WorkbenchWindow.java:3675) at org.eclipse.ui.internal.ViewIntroAdapterPart.setBarVisibility(ViewIntroAdapterPart.java:203) at org.eclipse.ui.internal.ViewIntroAdapterPart.dispose(ViewIntroAdapterPart.java:106) at org.eclipse.ui.internal.WorkbenchPartReference.doDisposePart(WorkbenchPartReference.java:737) at org.eclipse.ui.internal.ViewReference.doDisposePart(ViewReference.java:107) at org.eclipse.ui.internal.WorkbenchPartReference.dispose(WorkbenchPartReference.java:684) at org.eclipse.ui.internal.WorkbenchPage.disposePart(WorkbenchPage.java:1801) at org.eclipse.ui.internal.WorkbenchPage.partRemoved(WorkbenchPage.java:1793) at org.eclipse.ui.internal.ViewFactory.releaseView(ViewFactory.java:257) at org.eclipse.ui.internal.Perspective.dispose(Perspective.java:292) at org.eclipse.ui.internal.WorkbenchPage.dispose(WorkbenchPage.java:1872) at org.eclipse.ui.internal.WorkbenchWindow.closeAllPages(WorkbenchWindow.java:894) at org.eclipse.ui.internal.WorkbenchWindow.hardClose(WorkbenchWindow.java:1729) at org.eclipse.ui.internal.WorkbenchWindow.busyClose(WorkbenchWindow.java:730) at org.eclipse.ui.internal.WorkbenchWindow.access$0(WorkbenchWindow.java:715) at org.eclipse.ui.internal.WorkbenchWindow$6.run(WorkbenchWindow.java:867) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchWindow.close(WorkbenchWindow.java:865) at org.eclipse.jface.window.WindowManager.close(WindowManager.java:109) at org.eclipse.ui.internal.Workbench$18.run(Workbench.java:1114) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.Workbench.busyClose(Workbench.java:1111) at org.eclipse.ui.internal.Workbench.access$15(Workbench.java:1040) at org.eclipse.ui.internal.Workbench$25.run(Workbench.java:1284) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.Workbench.close(Workbench.java:1282) at org.eclipse.ui.internal.Workbench.close(Workbench.java:1254) at org.eclipse.ui.internal.WorkbenchWindow.busyClose(WorkbenchWindow.java:727) at org.eclipse.ui.internal.WorkbenchWindow.access$0(WorkbenchWindow.java:715) at org.eclipse.ui.internal.WorkbenchWindow$6.run(WorkbenchWindow.java:867) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.ui.internal.WorkbenchWindow.close(WorkbenchWindow.java:865) at org.eclipse.jface.window.Window.handleShellCloseEvent(Window.java:741) at org.eclipse.jface.window.Window$3.shellClosed(Window.java:687) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:98) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1276) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1300) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1285) at org.eclipse.swt.widgets.Shell.closeWidget(Shell.java:617) at org.eclipse.swt.widgets.Shell.gtk_delete_event(Shell.java:1191) at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:1750) at org.eclipse.swt.widgets.Control.windowProc(Control.java:5116) at org.eclipse.swt.widgets.Display.windowProc(Display.java:4369) at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method) at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:8295) at org.eclipse.swt.widgets.Display.eventProc(Display.java:1192) at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method) at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2332) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3177) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2701) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2665) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) at org.eclipse.equinox.launcher.Main.run(Main.java:1438) at org.eclipse.equinox.launcher.Main.main(Main.java:1414) !SESSION 2012-11-23 10:36:07.863 ----------------------------------------------- eclipse.buildId=I20120608-1200 java.version=1.7.0_09 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Command-line arguments: -os linux -ws gtk -arch x86_64 !ENTRY org.eclipse.jface 2 0 2012-11-23 10:36:13.181 !MESSAGE Keybinding conflicts occurred. They may interfere with normal accelerator operation. !SUBENTRY 1 org.eclipse.jface 2 0 2012-11-23 10:36:13.181 !MESSAGE A conflict occurred for ALT+SHIFT+R: Binding(ALT+SHIFT+R, ParameterizedCommand(Command(oracle.eclipse.tools.common.services.ui.refactor.rename.command,Rename, Rename the selected text., Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), oracle.eclipse.tools.common.services.ui.refactor.internal.ArtifactRefactoringCommandHandler, ,,true),null), org.eclipse.ui.defaultAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,system) Binding(ALT+SHIFT+R, ParameterizedCommand(Command(org.eclipse.jdt.ui.edit.text.java.rename.element,Rename - Refactoring , Rename the selected element, Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), , ,,true),null), org.eclipse.ui.defaultAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,system) !ENTRY org.eclipse.osgi 2 1 2012-11-23 10:39:04.681 !MESSAGE NLS unused message: CacheManager_CannotLoadNonUrlLocation in: org.eclipse.equinox.internal.p2.repository.messages !SESSION 2012-11-23 15:14:12.933 ----------------------------------------------- eclipse.buildId=I20120608-1200 java.version=1.7.0_09 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Command-line arguments: -os linux -ws gtk -arch x86_64 !ENTRY org.eclipse.jface 2 0 2012-11-23 15:14:23.380 !MESSAGE Keybinding conflicts occurred. They may interfere with normal accelerator operation. !SUBENTRY 1 org.eclipse.jface 2 0 2012-11-23 15:14:23.380 !MESSAGE A conflict occurred for ALT+SHIFT+R: Binding(ALT+SHIFT+R, ParameterizedCommand(Command(oracle.eclipse.tools.common.services.ui.refactor.rename.command,Rename, Rename the selected text., Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), oracle.eclipse.tools.common.services.ui.refactor.internal.ArtifactRefactoringCommandHandler, ,,true),null), org.eclipse.ui.defaultAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,system) Binding(ALT+SHIFT+R, ParameterizedCommand(Command(org.eclipse.jdt.ui.edit.text.java.rename.element,Rename - Refactoring , Rename the selected element, Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), , ,,true),null), org.eclipse.ui.defaultAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,system) !ENTRY org.springframework.ide.eclipse.uaa 4 2 2012-11-23 15:14:32.800 !MESSAGE Problems occurred when invoking code from plug-in: "org.springframework.ide.eclipse.uaa". !STACK 0 java.lang.NullPointerException at org.springframework.ide.eclipse.internal.uaa.monitor.CommandUsageMonitor.startMonitoring(CommandUsageMonitor.java:61) at org.springframework.ide.eclipse.uaa.UaaPlugin$1$1.run(UaaPlugin.java:91) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.springframework.ide.eclipse.uaa.UaaPlugin$1.run(UaaPlugin.java:85) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) !SESSION 2012-11-23 15:15:21.833 ----------------------------------------------- eclipse.buildId=I20120608-1200 java.version=1.7.0_09 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Command-line arguments: -os linux -ws gtk -arch x86_64 !ENTRY org.eclipse.jface 2 0 2012-11-23 15:15:27.283 !MESSAGE Keybinding conflicts occurred. They may interfere with normal accelerator operation. !SUBENTRY 1 org.eclipse.jface 2 0 2012-11-23 15:15:27.283 !MESSAGE A conflict occurred for ALT+SHIFT+R: Binding(ALT+SHIFT+R, ParameterizedCommand(Command(oracle.eclipse.tools.common.services.ui.refactor.rename.command,Rename, Rename the selected text., Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), oracle.eclipse.tools.common.services.ui.refactor.internal.ArtifactRefactoringCommandHandler, ,,true),null), org.eclipse.ui.defaultAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,system) Binding(ALT+SHIFT+R, ParameterizedCommand(Command(org.eclipse.jdt.ui.edit.text.java.rename.element,Rename - Refactoring , Rename the selected element, Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), , ,,true),null), org.eclipse.ui.defaultAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,system) !ENTRY org.eclipse.jface 2 0 2012-11-23 15:18:41.265 !MESSAGE Keybinding conflicts occurred. They may interfere with normal accelerator operation. !SUBENTRY 1 org.eclipse.jface 2 0 2012-11-23 15:18:41.265 !MESSAGE A conflict occurred for ALT+SHIFT+E: Binding(ALT+SHIFT+E, ParameterizedCommand(Command(oracle.eclipse.tools.common.services.ui.refactor.rename.command,Rename, Rename the selected text., Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), oracle.eclipse.tools.common.services.ui.refactor.internal.ArtifactRefactoringCommandHandler, ,,true),null), org.eclipse.ui.emacsAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,user) Binding(ALT+SHIFT+E, ParameterizedCommand(Command(org.eclipse.jdt.ui.edit.text.java.rename.element,Rename - Refactoring , Rename the selected element, Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), , ,,true),null), org.eclipse.ui.emacsAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,user) Binding(ALT+SHIFT+E, ParameterizedCommand(Command(org.eclipse.wst.jsdt.ui.edit.text.java.rename.element,Rename - Refactoring , Rename the selected element, Category(org.eclipse.wst.jsdt.ui.category.refactoring,Refactor - JavaScript,JavaScript Refactoring Actions,true), , ,,true),null), org.eclipse.ui.emacsAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,user) !SESSION 2012-11-23 15:18:56.267 ----------------------------------------------- eclipse.buildId=I20120608-1200 java.version=1.7.0_09 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Command-line arguments: -os linux -ws gtk -arch x86_64 !ENTRY org.eclipse.jface 2 0 2012-11-23 15:19:01.605 !MESSAGE Keybinding conflicts occurred. They may interfere with normal accelerator operation. !SUBENTRY 1 org.eclipse.jface 2 0 2012-11-23 15:19:01.605 !MESSAGE A conflict occurred for ALT+SHIFT+E: Binding(ALT+SHIFT+E, ParameterizedCommand(Command(org.eclipse.wst.jsdt.ui.edit.text.java.rename.element,Rename - Refactoring , Rename the selected element, Category(org.eclipse.wst.jsdt.ui.category.refactoring,Refactor - JavaScript,JavaScript Refactoring Actions,true), , ,,true),null), org.eclipse.ui.emacsAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,user) Binding(ALT+SHIFT+E, ParameterizedCommand(Command(org.eclipse.jdt.ui.edit.text.java.rename.element,Rename - Refactoring , Rename the selected element, Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), , ,,true),null), org.eclipse.ui.emacsAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,user) Binding(ALT+SHIFT+E, ParameterizedCommand(Command(oracle.eclipse.tools.common.services.ui.refactor.rename.command,Rename, Rename the selected text., Category(org.eclipse.jdt.ui.category.refactoring,Refactor - Java,Java Refactoring Actions,true), oracle.eclipse.tools.common.services.ui.refactor.internal.ArtifactRefactoringCommandHandler, ,,true),null), org.eclipse.ui.emacsAcceleratorConfiguration, org.eclipse.ui.contexts.window,,,user)

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• How to store a public key in a machine-level RSA key container

  - by Andrew Kimball

  I'm having a problem using a machine level RSA key container when storing only the public key of a public/private key pair. The following code creates a public/private pair and extracts the public key from that pair. The pair and the public key are stored in separate key containers. The keys are then obtained from those key containers at which point they should be the same as the keys going into the containers. The code works when CspProviderFlags.UseDefaultKeyContainer is specified for CspParameters.Flags (i.e. the key read back out from the PublicKey container is the same), but when CspProviderFlags.UseMachineKeyStore is specified for CspParameters.Flags the key read back from PublicKey is different. Why is the behaviour different, and what do I need to do differently to retrieve the public key from a machine-level RSA key container? var publicPrivateRsa = new RSACryptoServiceProvider(new CspParameters() { KeyContainerName = "PublicPrivateKey", Flags = CspProviderFlags.UseMachineKeyStore //Flags = CspProviderFlags.UseDefaultKeyContainer } ) { PersistKeyInCsp = true, }; var publicRsa = new RSACryptoServiceProvider(new CspParameters() { KeyContainerName = "PublicKey", Flags = CspProviderFlags.UseMachineKeyStore //Flags = CspProviderFlags.UseDefaultKeyContainer } ) { PersistKeyInCsp = true }; //Export the key. publicRsa.ImportParameters(publicPrivateRsa.ExportParameters(false)); Console.WriteLine(publicRsa.ToXmlString(false)); Console.WriteLine(publicPrivateRsa.ToXmlString(false)); //Dispose those two CSPs. using (publicRsa) { publicRsa.Clear(); } using (publicPrivateRsa) { publicRsa.Clear(); } publicPrivateRsa = new RSACryptoServiceProvider(new CspParameters() { KeyContainerName = "PublicPrivateKey", Flags = CspProviderFlags.UseMachineKeyStore //Flags = CspProviderFlags.UseDefaultKeyContainer } ); publicRsa = new RSACryptoServiceProvider(new CspParameters() { KeyContainerName = "PublicKey", Flags = CspProviderFlags.UseMachineKeyStore //Flags = CspProviderFlags.UseDefaultKeyContainer } ); Console.WriteLine(publicRsa.ToXmlString(false)); Console.WriteLine(publicPrivateRsa.ToXmlString(false)); using (publicRsa) { publicRsa.Clear(); } using (publicPrivateRsa) { publicRsa.Clear(); }

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• Determine which software product a Microsoft Product Key activates

  - by druciferre

  Without a product key being labelled, is there is any way to identify what Microsoft software product a given product key is meant to activate? Let's say for example I had the product key ABCDE-FGHIJ-KLMNO-PQRST-UVWXY, but I had no clue if was meant for Windows 7 Ultimate, Windows 7 Home Premium, Vista Ultimate, or even Office 2010. Does Microsoft (or anyone for that matter) have any kind of tool that I could paste the key into and get a result that identifies the software product the key is meant for (or at least a good estimate)? Note: I have searched and searched many times on the Internet, but the only results I ever find are how to recover a lost product key by using something like Nirsoft ProduKey. This is not what I am looking for.

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• How to recover Windows Vista product key?

  - by empi

  Two years ago I've bought asus laptop with Windows Vista preinstalled. I also received recovery dvd with it. Now, I want to reinstall Windows and fully format the hard drive. However, the sticker with Windows product key under the laptop is unreadable. I tried recovering the key with ProduKey and similar software but they show another product key - it is different than the one from the sticker (I checked on another asus laptop and on my dell laptop). Do you know if I it is possible to reinstall the operating system with the product key obtained from ProduKey? If not, how can I retrieve the product key? It seems stupid that it was only placed on the sticker that is destroyed after some time if you frequently hold the laptop on your lap. I've tried ProduKey and Recover Keys and they show the same key. However, it's not the one from the sticker. Thanks in advance for help.

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• Preventing SSH RSA host key warnings for change of key vs IP address

  - by Adam M-W

  I have a network with DHCP enabled, and also a computer that dual boots operating systems and has different SSH keys on each (and yes, I would like to keep different keys on each rather than copying the same identity/private key to each). Because the IP address does not change between operating systems because the MAC address is the same, when connecting to ssh, even when not using the IP address but the hostname via DNS/mDNS, I get the warning: Warning: the RSA host key for 'hostname' differs from the key for the IP address '192.168.1.172' Offending key for IP in /Users/user/.ssh/known_hosts:37 Matching host key in /Users/user/.ssh/known_hosts:38 Are you sure you want to continue connecting (yes/no)? How can I surpress the warning when the hostname differs from the IP address for that hostname, but retain the ability to check host keys are the same for each hostname? (each OS has a unique hostname)

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• Finding the owner of an AWS access key + secret key pair

  - by nightw

  I would like to have a simple solution (possibly in 1-3 plain API calls to AWS) to find the owner of an AWS access key. I have the password of the "root" AWS account and of course I can manage the users and credentials through IAM, but we have a lot of users and I don't want to look at them one by one looking for the owner of the key. So basically I have a working access key + secret key pair (in fact a couple of them), but I do not know which user's key is it and what rights are on it. What is the easiest way to do this? Thank you in advance.

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• ssh key questions

  - by Tim

  I have some questions regarding generating keys for ssh access: (1) Supposed there are two computers running ssh server service and I have generated a pair of key files on computer A and copy the public file to computer B. Is it true that this is only a one-way key: We only gave computer A permission to access computer B, not gave computer B permission to access computer A? If I now want to ssh from computer B to computer A, must I generat another pair of key files on computer B and copy the public file to computer A? (2) If I would like to connect a single local computer to several remote servers, is it to generate a common pair of key files only once on the local and copy the same public file to the remote servers, or to generate different pair of key files on the local for different remote servers? (3) If I would like to connect several local computers to a single remote server, when copying the public files from different local computers to the remote server, is it to combine them together into a single authorized_keys file or store them in different authorized_keys files? (4) If there are several servers shared the same file system by, for example, NFS, how to generate keys and arrange the key files for accessing from one server to the other? Also how to still generate keys and arrange the key files for a local computer to access anyone of the servers? All the machines above are Linux.Please provide examples and commands in your reply so that I can better understand how to solve the problems. Thanks and regards!

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• How to make ssh connection between servers using public-key authentication

  - by Rafael

  I am setting up a continuos integration(CI) server and a test web server. I would like that CI server would access web server with public key authentication. In the web server I have created an user and generated the keys sudo useradd -d /var/www/user -m user sudo passwd user sudo su user ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/var/www/user/.ssh/id_rsa): Created directory '/var/www/user/.ssh'. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /var/www/user/.ssh/id_rsa. Your public key has been saved in /var/www/user/.ssh/id_rsa.pub. However othe side, CI server copies the key to the host but still asks password ssh-copy-id -i ~/.ssh/id_rsa.pub user@webserver-address user@webserver-address's password: Now try logging into the machine, with "ssh 'user@webserver-address'", and check in: .ssh/authorized_keys to make sure we haven't added extra keys that you weren't expecting. I checked on the web server and the CI server public key has been copied to web server authorized_keys but when I connect, It asks password. ssh 'user@webserver-address' user@webserver-address's password: If I try use root user rather than my created user (both users are with copied public keys). It connects with the public key ssh 'root@webserver-address' Welcome to Ubuntu 11.04 (GNU/Linux 2.6.18-274.7.1.el5.028stab095.1 x86_64) * Documentation: https://help.ubuntu.com/ Last login: Wed Apr 11 10:21:13 2012 from ******* root@webserver-address:~#

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• How to use the correct SSH private key?

  - by Dail

  I have a private key inside /home/myuser/.ssh/privateKey I have a problem connecting to the ssh server, because i always get: Permission denied (publickey). I tried to debug the problem and i find that ssh is reading wrong file, take a look at the output: [damiano@Damiano-PC .ssh]$ ssh -v root@vps1 OpenSSH_5.8p2, OpenSSL 1.0.0g-fips 18 Jan 2012 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for vps1 debug1: Applying options for * debug1: Connecting to 111.111.111.111 [111.111.111.111] port 2000. debug1: Connection established. debug1: identity file /home/damiano/.ssh/id_rsa type -1 debug1: identity file /home/damiano/.ssh/id_rsa-cert type -1 debug1: identity file /home/damiano/.ssh/id_dsa type -1 debug1: identity file /home/damiano/.ssh/id_dsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.8p1 Debian-7ubuntu1 debug1: match: OpenSSH_5.8p1 Debian-7ubuntu1 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.8 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Server host key: RSA 74:8f:87:fe:b8:25:85:02:d4:b6:5e:03:08:d0:9f:4e debug1: Host '[111.111.111.111]:2000' is known and matches the RSA host key. debug1: Found key in /home/damiano/.ssh/known_hosts:1 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Trying private key: /home/damiano/.ssh/id_rsa debug1: Trying private key: /home/damiano/.ssh/id_dsa debug1: No more authentication methods to try. as you can see ssh is trying to read: /home/damiano/.ssh/id_rsa but i don't have this file, i named it differently. How could I tell to SSH to use the correct private key file? Thanks!

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• Prevent Windows Key from Opening Start Menu in Windows 7

  - by Jeromy Anglim

  I'd like to be able to stop the Windows Key from activating the Start Menu on Windows 7. I don't want to disable the Windows Key completely. I'd like Ctrl + Esc to still open the Start Menu. I know that you can use AutoHotKey to disable the Windows Key completely. The reason I want this functionality is that I have a lot of shortcut keys linked to the Windows key and this often results in accidentally opening the start menu.

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• How to find keycodes for Fn + keys?

  - by budwiser

  I'm trying to find out the keycode for Fn+? keypress (left arrow). Xev outputs FocusOut event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 36, synthetic NO, window 0x0,    keys:  4294967213 0   0   0   0   0   0   0   0   0   0   0   0   0   0   0              0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   If it is telling me the keycode here, I'm not able to interpret it so help would be appreciated. I'm also curious for finding out if it's possible to bind something to Fn+Del but when trying out this combination, Xev outputs KeyPress event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1984903, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XmbLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False KeyRelease event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1985008, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False which is exactly the same as pressing del without Fn. So, summary for short How can I find keycode for Fn+? (left arrow)? Is it even possible to bind something to Fn+Del or am I facing windmills here?

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• How to find keycodes for Fn + keys in Ubuntu 11.10

  - by budwiser

  I'm trying to find out the keycode for Fn+? keypress (left arrow). Xev outputs FocusOut event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 36, synthetic NO, window 0x3c00001,    mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 36, synthetic NO, window 0x0,    keys:  4294967213 0   0   0   0   0   0   0   0   0   0   0   0   0   0   0              0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   If it is telling me the keycode here, I'm not able to interpret it so help would be appreciated. I'm also curious for finding out if it's possible to bind something to Fn+Del but when trying out this combination, Xev outputs KeyPress event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1984903, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XmbLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False KeyRelease event, serial 36, synthetic NO, window 0x3c00001, root 0xad, subw 0x0, time 1985008, (-666,480), root:(53,533), state 0x0, keycode 119 (keysym 0xffff, Delete), same_screen YES, XLookupString gives 1 bytes: (7f) " " XFilterEvent returns: False which is exactly the same as pressing del without Fn. So, summary for short How can I find keycode for Fn+? (left arrow)? Is it even possible to bind something to Fn+Del or am I facing windmills here?

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• How to enable key forwarding with ssh-agent?

  - by Lamnk

  I've used the ssh-agent from oh-my-zsh to manage my SSH key. So far, so good, i only have to type the passphrase for my private key once when I start my shell and public key authentication works great. The problem is however that key forwarding doesn't work. There are 2 servers A & B which I can use public key to login. When I ssh into A then from there ssh into B, I must provide my password, which should not be the case. A is a CentOS 5.6 box, B is an Ubuntu 11.04 box. I have this on my local .ssh/config: Host * ForwardAgent yes OpenSSH on A is standard openssh 4.3 package provided by CentOS. I also enable ForwardAgent for ssh client on A, but forwarding still doesn't work.

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