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  • JVM system time runs faster than HP UNIX OS system time

    - by winston
    Hello I have the following output from a simple debug jsp: Weblogic Startup Since: Friday, October 19, 2012, 08:36:12 AM Database Current Time: Wednesday, December 12, 2012, 11:43:44 AM Weblogic JVM Current Time: Wednesday, December 12, 2012, 11:45:38 AM Line 1 was a recorded variable during WebLogic webapp startup. Line 2 was output from database query select sysdate from dual; Line 3 was output from java code new Date() I have checked from shell date command that line 2 output conforms with OS time. The output of line 3 was mysterious. I don't know how it comes from Java VM. On another machine with same setting, the same jsp output like this: Weblogic Startup Since: Tuesday, December 11, 2012, 02:29:06 PM Database Current Time: Wednesday, December 12, 2012, 11:51:48 AM Weblogic JVM Current Time: Wednesday, December 12, 2012, 11:51:50 AM Another machine: Weblogic Startup Since: Monday, December 10, 2012, 05:00:34 PM Database Current Time: Wednesday, December 12, 2012, 11:52:03 AM Weblogic JVM Current Time: Wednesday, December 12, 2012, 11:52:07 AM Findings: the pattern shows that the longer Weblogic startup, the larger the discrepancy of OS time with JVM time. Anybody could help on HP JVM? On HP UNIX, NTP was done daily. Anyway here comes the server versions: HP-UX machinex B.11.31 U ia64 2426956366 unlimited-user license java version "1.6.0.04" Java(TM) SE Runtime Environment (build 1.6.0.04-jinteg_28_apr_2009_04_46-b00) Java HotSpot(TM) Server VM (build 11.3-b02-jre1.6.0.04-rc2, mixed mode) WebLogic Server Version: 10.3.2.0 Java properties java.runtime.name=Java(TM) SE Runtime Environment java.runtime.version=1.6.0.04-jinteg_28_apr_2009_04_46-b00 java.vendor=Hewlett-Packard Co. java.vendor.url=http\://www.hp.com/go/Java java.version=1.6.0.04 java.vm.name=Java HotSpot(TM) 64-Bit Server VM java.vm.info=mixed mode java.vm.specification.vendor=Sun Microsystems Inc. java.vm.vendor="Hewlett-Packard Company" sun.arch.data.model=64 sun.cpu.endian=big sun.cpu.isalist=ia64r0 sun.io.unicode.encoding=UnicodeBig sun.java.launcher=SUN_STANDARD sun.jnu.encoding=8859_1 sun.management.compiler=HotSpot 64-Bit Server Compiler sun.os.patch.level=unknown os.name=HP-UX os.version=B.11.31

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  • What does "cpuid level" means ? Asking just for curiosity

    - by ogzylz
    For example, I put just 2 core info of a 16 core machine. What does "cpuid level : 6" line means? If u can provide info about lines "bogomips : 5992.10" and "clflush size : 64" I will be appreciated ------------- processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 6 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 8 cpu MHz : 2992.689 cache size : 4096 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 6 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm bogomips : 5992.10 clflush size : 64 cache_alignment : 128 address sizes : 40 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 6 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 8 cpu MHz : 2992.689 cache size : 4096 KB physical id : 1 siblings : 4 core id : 0 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 6 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm bogomips : 5985.23 clflush size : 64 cache_alignment : 128 address sizes : 40 bits physical, 48 bits virtual power management:

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  • Error during Time Machine backups on OS X Lion

    - by user92401
    After I turn on my machine, the first couple of Time Machine backups seem to go OK, but after about an hour I get this error: Unable to complete backup. An error occurred while creating the backup folder. Latest successful backup: 7/31/11 at 12:32 PM I'm running 10.7. Time Machine is backing up an internal HD to an external USB HD. I've already run Disk Utility to repair the Time Machine partition. It's a relatively new hard drive and didn't have any issues. Here's what I've found in the Console's log filtered for backupd: 7/31/11 12:31:21.223 PM com.apple.backupd: Starting standard backup 7/31/11 12:31:21.447 PM com.apple.backupd: Backing up to: /Volumes/MyMac TM Backup/Backups.backupdb 7/31/11 12:31:29.146 PM com.apple.backupd: 983.7 MB required (including padding), 391.90 GB available 7/31/11 12:32:19.471 PM com.apple.backupd: Copied 3156 files (36.0 MB) from volume Macintosh HD. 7/31/11 12:32:20.017 PM com.apple.backupd: Copied 3173 files (36.0 MB) from volume LI. 7/31/11 12:32:20.136 PM com.apple.backupd: 934.8 MB required (including padding), 391.86 GB available 7/31/11 12:32:54.755 PM com.apple.backupd: Copied 916 files (117.8 MB) from volume Macintosh HD. 7/31/11 12:32:54.894 PM com.apple.backupd: Copied 933 files (117.8 MB) from volume LI. 7/31/11 12:32:55.937 PM com.apple.backupd: Starting post-backup thinning 7/31/11 12:32:55.937 PM com.apple.backupd: No post-back up thinning needed: no expired backups exist 7/31/11 12:32:55.960 PM com.apple.backupd: Backup completed successfully. 7/31/11 1:21:28.624 PM com.apple.backupd: Starting standard backup 7/31/11 1:21:28.631 PM com.apple.backupd: Backing up to: /Volumes/MyMac TM Backup/Backups.backupdb 7/31/11 1:21:28.682 PM com.apple.backupd: Error: (22) setxattr for key:com.apple.backupd.HostUUID path:/Volumes/MyMac TM Backup/Backups.backupdb/Will’s Mac Pro size:37 7/31/11 1:21:28.683 PM com.apple.backupd: Error: (22) setxattr for key:com.apple.backupd.HostUUID path:/Volumes/MyMac TM Backup/Backups.backupdb/Will’s Mac Pro size:37 7/31/11 1:21:38.694 PM com.apple.backupd: Backup failed with error: 2

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  • Split internal USB pinouts - is it possible?

    - by TM
    I've currently got a situation in my PC where I have 3 devices that connect to the motherboard via the onboard USB pinouts. The problem is, I only have two sets of USB pinouts on my motherboard. Is there any way of connecting two devices to one set of pinouts? Essentially, I'm looking for the functionality of a USB hub, but I'd like it to be inside the case, and provide pinouts rather than regular USB ports. Update: I don't need any more USB ports, I have devices that use the USB pinouts. I already have extra USB ports that aren't used, so adding an PCI USB card doesn't really help anything.

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  • Why does my Fedora HD come up as 124GB when it was created to be 700GB in Hyper-V?

    - by barfoon
    Any ideas? How can I tell fedora to use 700GB, and do I have reformat to do this? Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_computer-lv_root 124G 3.9G 114G 4% / /dev/sda1 194M 23M 162M 12% /boot tmpfs 995M 320K 994M 1% /dev/shm Hyper-V settings: Thank you, pvdisplay -C: PV VG Fmt Attr PSize PFree /dev/sda2 vg_mycomp lvm2 a- 127.29G 0 lvdisplay -C: LV VG Attr LSize Origin Snap% Move Log Copy% Convert lv_root vg_mycomp -wi-ao 125.36G lv_swap vg_mycomp -wi-ao 1.94G vgdisplay -C: VG #PV #LV #SN Attr VSize VFree vg_mycomp 1 2 0 wz--n- 127.29G 0

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  • Solaris SPARC 10 32bit mode

    - by TM.
    I'm looking for a definitive answer, does Solaris 10 running on a SPARC machine support booting into 32bit mode? I've found one site that states Solaris 8 was the last version that supported booting in a 32bit mode for SPARC. I've read multiple items that explain how to boot Solaris into 32bit mode, however they did not list the Solaris version. We've tried all the ways specified, but the system keeps booting into 64bit mode.

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  • Komodo Edit - How to disable the 'Linter' for a language?

    - by TM.
    I've been using Komodo Edit to work on a Django project. It works great except for one little annoyance: When I am editing Django template files, Komodo likes to put red squiggly lines underneath the first HTML tag that follows a Django tag, because it thinks it is an invalid HTML doc (although it isn't, it just has Django template tags/filters in it). Note that this red squiggly line is called a "Linter error" in the docs that I can find. Is there some way to turn off this red squiggly for only a specific type of language? It's nice to have when working on Python code but it's annoying to have a red squiggly on every single one of my Django templates.

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  • ListView selection issue...Using onItemClick(AdapterView<?> parent, View view, ...)

    - by searchMaker
    The problem I hope to resolve here is that when I click on one item in the ListView that item's background changes to light gray, but when I continue to scroll through the list every 4th item has the background changed to light gray even though those other items have not been clicked. How do I make only the item I clicked be effected by the click? ListView lv = (ListView) findViewById(R.id.resultsList); lv.setAdapter(new ArrayAdapter(this, R.layout.resultitem, (String[])labelList.toArray(new String[labelList.size()]))); lv.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView parent, View view, int position, long id) { TextView tv = (TextView)view.findViewById(R.id.result); tv.setBackgroundColor(Color.LTGRAY); tv.setTextColor(Color.BLACK);

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  • Why people don't use LabView for purposes other than data acquisition and virtualization?

    - by Anzurio
    This is marked as a subjective question, I hope I won't get too many down votes though. LV seems to offer a nice graphic alternative to traditional text based programming. As I understand, it's not a just-virtualization/data acquisition programming language. Nonetheless, it seems to have that paradigm pegged to its creator's name. My question comes up because it doesn't seem to be widely used for multi-purpose applications. I'm not a LV-expert of any kind, I'm more like a learner. I'm still getting used to LV.

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  • Time Machine + Ubee Router?

    - by Charlie
    I can't for the life of me figure this out. I recently had TWC installed in my house, and wanted to disable the NAT and router functions of it. I have a Time Machine hooked up to it from LAN1 (on the Ubee) to the WAN port on the TM. The problems started occurring here. I figured the settings would be these: Ubee Configuration mode: Bridge DHCP: Off TM IPv4: 192.168.100.2 Subnet Mask: 255.255.255.0 Router Address: 192.168.100.1 DNS Servers: 8.8.8.8, 8.8.4.4 Router Mode: DHCP and NAT But using those settings, my TM says "Double NAT", so I have to change it all around to the default settings of the Ubee using NAT. This leads me to believe bridge mode doesn't actually turn off NAT...

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  • Error with TextMate 2 --shell-escape and gnuplot 10.8.2

    - by Manuel
    I have had TM 1.X since a long time ago, but a week ago I updated my system to Mountain Lion 10.8.2 and installed TM2. The problem is that I write with LaTeX, and sometimes I use gnuplot for the graphs (I installed gnuplot with macports). But now it doesn't work because the --shell-escape doesn't work, this is the error message I get: Package pgfplots Error: Sorry, the gnuplot-result file '"untitled 2.pgf-plot.table"' could not be found. Maybe you need to enable the shell-escape feature? For pdflatex, this is ' pdflatex -shell-escape'. You can also invoke ' gnuplot .gnuplot' manually on the respective gnuplot file.. And then, looking around I discovered that it's not just gnuplot but everything which needs --shell-escape. Question What happened? How can I get TM have the correct rights so this works? It worked right in Snow Leopard with TM 1.5.

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  • Java issues on OpenVZ Ubuntu 11.04 (.jar/.sh files)

    - by IWillNotChange
    I've had a whole line of messes with java and .jar files. I've tried both OpenJDK (from software installer) and about three repositories for Sun. /Desktop# java -jar -Xmx1024m ss.jar Exception in thread "main" java.awt.HeadlessException at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:173) at java.awt.Window.<init>(Window.java:476) at java.awt.Frame.<init>(Frame.java:419) at java.awt.Frame.<init>(Frame.java:384) at javax.swing.JFrame.<init>(JFrame.java:174) at org.powerbot.bd.<init>(Unknown Source) at org.powerbot.Boot.main(Unknown Source) Two separate errors: ~/Desktop# ./ss.sh [SEVERE] org.server.Boot: Default heap size of 490m too small, restarting with 768m and about 30 different crashes were it just "aborts" with a huge file dump. Each time I've tried something a little different, whether it be updating Java or just changing -Xmx1024 to -Xmx1024m to get rid of the heap. Personally I think it has something to do with OpenVZ, but Google hasn't saved me this time, I need someone who can get to the bottom of my problem. java -version java version "1.6.0_26" Java(TM) SE Runtime Environment (build 1.6.0_26-b03) Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) is my current install. Running ss.sh gives me: (I'd post the entire log but its long) # # A fatal error has been detected by the Java Runtime Environment: # # SIGILL (0x4) at pc=0x00002b14278e6fa0, pid=9301, tid=47365590714112 # # JRE version: 6.0_26-b03 # Java VM: Java HotSpot(TM) 64-Bit Server VM (20.1-b02 mixed mode linux-amd64 compressed oops) # Problematic frame: # C [ld-linux-x86-64.so.2+0x14fa0] _dl_make_stack_executable+0x2b50 # # If you would like to submit a bug report, please visit: # http://java.sun.com/webapps/bugreport/crash.jsp # The crash happened outside the Java Virtual Machine in native code. # See problematic frame for where to report the bug. # I'm willing to let someone who knows what they are talking about view it and try and sort this out. Any help would be appreciated, I've about pulled all my hair Googling to no avail.

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  • Cannot install openjdk on Hardy Heron

    - by infaustus
    I know that Hardy Heron is very old but don't ask why Hardy... I've tried root@vz10931:/etc/apt# apt-get install openjdk-6-jre Reading package lists... Done Building dependency tree Reading state information... Done You might want to run `apt-get -f install' to correct these: The following packages have unmet dependencies: openjdk-6-jre: Depends: libasound2 (> 1.0.14) but it is not going to be installed Depends: libgif4 (>= 4.1.6) but it is not going to be installed Depends: libxtst6 but it is not going to be installed Depends: openjdk-6-jre-headless (>= 6b18-1.8.3-0ubuntu1~8.04.2) but it is not going to be installed vim: Depends: vim-common (= 1:7.1-138+1ubuntu3.1) but 2:7.3.154+hg~74503f6ee649-2ubuntu3 is to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). My sources.list deb http://pl.archive.ubuntu.com/ubuntu/ hardy main restricted universe multiverse deb-src http://pl.archive.ubuntu.com/ubuntu/ hardy main restricted universe multiverse deb http://pl.archive.ubuntu.com/ubuntu/ hardy-updates main restricted universe multiverse deb-src http://pl.archive.ubuntu.com/ubuntu/ hardy-updates main restricted universe multiverse deb http://security.ubuntu.com/ubuntu hardy-security main restricted universe multiverse deb-src http://security.ubuntu.com/ubuntu hardy-security main restricted universe multiverse And root@vz10931:/etc/apt# ls -l sources.list.d/ total 0 Please help. When I've tried apt-get install -f I had install new system because everything crashed. Edit: I checked that i have openjdk installed root@vz10931:/var/www/mailer# dpkg --list | grep java iU sun-java6-bin 6.24-1build0.8.04.1 Sun Java(TM) Runtime Environment (JRE) 6 (ar iU sun-java6-jdk 6.24-1build0.8.04.1 Sun Java(TM) Development Kit (JDK) 6 iU sun-java6-jre 6.24-1build0.8.04.1 Sun Java(TM) Runtime Environment (JRE) 6 (ar but when i am trying to start java file: java -jar program.jar error appear -bash: java: command not found

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  • ATI Radeon HD 6870 Driver fails to install default-policy.sh does not support version

    - by Rogue Coder
    I'm running Ubuntu 11.04 Beta, with everything updated completely. I'm using Ubuntu Classic, because Unity fails to run, supposedly because of my video card. The drivers for the Radeon HD 6870 series is apparently lacking, but I found a post stating the newest version has full support for Ubuntu Natty Narwhal. That post is slightly old, so i grabbed 11.3 for Ubuntu x86 off the ATI website. When I run the installation program, I receive the following error: > ./ati-driver-installer-11-3-x86.x86_64.run Created directory fglrx-install.uREFoO Verifying archive integrity... All good. Uncompressing ATI Catalyst(TM) Proprietary Driver-8.831.2......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... ===================================================================== ATI Technologies Catalyst(TM) Proprietary Driver Installer/Packager ===================================================================== Error: ./default_policy.sh does not support version default:v2:i686:lib::none:2.6.38-8-generic-pae:; make sure that the version is being correctly set by --iscurrentdistro ===================================================================== ATI Technologies Catalyst(TM) Proprietary Driver Installer/Packager ===================================================================== Error: ./default_policy.sh does not support version default:v2:i686:lib::none:2.6.38-8-generic-pae:; make sure that the version is being correctly set by --iscurrentdistro Removing temporary directory: fglrx-install.uREFoO > I would love to get the latest ATI drivers working so that I can try out Unity!

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  • Extension GLX missing...on a desktop PC

    - by Bart van Heukelom
    I just installed Ubuntu 12.10 on a new PC with an Nvidia GTX 560 graphics card, but after installing the Nvidia proprietary drivers (either -current or -current-updates), Unity won't start. When trying to start it manually I get the message "extension GLX missing". I've searched around and found results like this question which point out it's a problem with Nvidia Optimus laptops. However, I don't have this problem on a laptop, but on a desktop PC. lshw output for the graphics card: *-display description: VGA compatible controller product: GF114 [GeForce GTX 560 SE] vendor: NVIDIA Corporation physical id: 0 bus info: pci@0000:01:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vga_controller bus_master cap_list rom configuration: driver=nouveau latency=0 resources: irq:16 memory:f4000000-f5ffffff memory:e0000000-e7ffffff memory:e8000000-ebffffff ioport:e000(size=128) memory:f6000000-f607ffff and CPU: *-cpu description: CPU product: Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz vendor: Intel Corp. physical id: 40 bus info: cpu@0 version: Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz slot: SOCKET 0 size: 1600MHz capacity: 3800MHz width: 64 bits clock: 100MHz capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm ida arat epb xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms cpufreq configuration: cores=4 enabledcores=4 threads=4

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  • WPF ContextMenu with bound items: Items.Count == 0 in ContextMenuOpening event

    - by OregonGhost
    I have a ContextMenu with the ItemsSource bound to the selected item of a list view, like this: <ContextMenu ItemsSource="{Binding Path=PlacementTarget.SelectedItem, RelativeSource={RelativeSource Self}, Converter={StaticResource possibleConverter}}"/> The possibleConverter enumerates all possible values for a property of the the selected item, which are shown in the context menu. In the Opened event of the context menu, I select the current value like this: var cm = e.OriginalSource as ContextMenu; if (cm != null) { var lv = cm.PlacementTarget as ListView; var field = lv.SelectedItem as Field; var item = cm.ItemContainerGenerator.ContainerFromItem(cm.Items.OfType<object>().Where(o => o.ToString().Equals(field.StringValue)).FirstOrDefault()) as MenuItem; if (item != null) { item.IsChecked = true; } } Not particularly elegant, but it works. With the debugger I verified that the ContextMenu.Items.Count property has a non-zero value when expected (i.e. cm.Items.Count is non-zero in the if). So far, so good. There are, however, items in the listview where the context menu will have no items. In this case, an empty menu is shown. I tried to suppress this in the ContextMenuOpening event in the list view, like this: var lv = sender as ListView; if (lv != null) { var cm = lv.ContextMenu; if ((cm != null) && (cm.Items.Count > 0)) { // Here we want to check the current item, which is currently done in the Opened event. } else { e.Handled = true; } } Seems like it should work. However, cm.Items.Count is always zero. This is true even if ListView.SelectedItem did not change: For an item with menu entries, the menu is shown correctly after the first click, so the data binding has already happend. It is shown correct the second time as well, but in any case, Items.Count is zero in the ContextMenuOpening event. What am I missing? How can I suppress empty context menus? Why is the count zero in the ContextMenuOpening handler, which is in Windows Forms (ContextMenuStrip.Opening) the canonical point where to do these things? EDIT: Upon further investigating, it turns out that in the ContextMenuOpening handler, any binding to the listview fails, which is why ItemsSource is null. I tried to bind via ElementName, via a FindAncestor relationship, all to no avail. The PlacementTarget is null during that event. An ugly hack worked though: In the ContextMenuOpening event, I assign the list view to the ContextMenu.Tag property, while the ItemsSource binding now binds to Tag.SelectedItem. This updates the binding, so Items.Count is what it should be. It's still strange. How can you do meaningful things in ContextMenuOpening other than replacing the menu or something, if the binding fails because somehow the context menu is out of context during the event? Was it only tested with static pre-defined menu items?

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  • Tiered Design With Analytical Widgets - Is This Code Smell?

    - by Repo Man
    The idea I'm playing with right now is having a multi-leveled "tier" system of analytical objects which perform a certain computation on a common object and then create a new set of analytical objects depending on their outcome. The newly created analytical objects will then get their own turn to run and optionally create more analytical objects, and so on and so on. The point being that the child analytical objects will always execute after the objects that created them, which is relatively important. The whole apparatus will be called by a single thread so I'm not concerned with thread safety at the moment. As long as a certain base condition is met, I don't see this being an unstable design but I'm still a little bit queasy about it. Is this some serious code smell or should I go ahead and implement it this way? Is there a better way? Here is a sample implementation: namespace WidgetTier { public class Widget { private string _name; public string Name { get { return _name; } } private TierManager _tm; private static readonly Random random = new Random(); static Widget() { } public Widget(string name, TierManager tm) { _name = name; _tm = tm; } public void DoMyThing() { if (random.Next(1000) > 1) { _tm.Add(); } } } //NOT thread-safe! public class TierManager { private Dictionary<int, List<Widget>> _tiers; private int _tierCount = 0; private int _currentTier = -1; private int _childCount = 0; public TierManager() { _tiers = new Dictionary<int, List<Widget>>(); } public void Add() { if (_currentTier + 1 >= _tierCount) { _tierCount++; _tiers.Add(_currentTier + 1, new List<Widget>()); } _tiers[_currentTier + 1].Add(new Widget(string.Format("({0})", _childCount), this)); _childCount++; } //Dangerous? public void Sweep() { _currentTier = 0; while (_currentTier < _tierCount) //_tierCount will start at 1 but keep increasing because child objects will keep adding more tiers. { foreach (Widget w in _tiers[_currentTier]) { w.DoMyThing(); } _currentTier++; } } public void PrintAll() { for (int t = 0; t < _tierCount; t++) { Console.Write("Tier #{0}: ", t); foreach (Widget w in _tiers[t]) { Console.Write(w.Name + " "); } Console.WriteLine(); } } } class Program { static void Main(string[] args) { TierManager tm = new TierManager(); for (int c = 0; c < 10; c++) { tm.Add(); //create base widgets; } tm.Sweep(); tm.PrintAll(); Console.ReadLine(); } } }

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  • Need advice about pointers and time elapsed program. How to fix invalid operands and cannot convert errors?

    - by user1781382
    I am trying to write a program that tells the difference between the two times the user inputs. I am not sure how to go about this. I get the errors : Line 27|error: invalid operands of types 'int' and 'const MyTime*' to binary 'operator-'| Line |39|error: cannot convert 'MyTime' to 'const MyTime*' for argument '1' to 'int DetermineElapsedTime(const MyTime*, const MyTime*)'| I also need a lot of help in this problem. I don't have a good curriculum, and my class textbook is like cliffnotes for programming. This will be my last class at this university. The C++ teztbook I use(my own not for class) is Sam's C++ One hour a day. #include <iostream> #include<cstdlib> #include<cstring> using namespace std; struct MyTime { int hours, minutes, seconds; }; int DetermineElapsedTime(const MyTime *t1, const MyTime *t2); long t1, t2; int DetermineElapsedTime(const MyTime *t1, const MyTime *t2) { return((int)t2-t1); } int main(void) { char delim1, delim2; MyTime tm, tm2; cout << "Input two formats for the time. Separate each with a space. Ex: hr:min:sec\n"; cin >> tm.hours >> delim1 >> tm.minutes >> delim2 >> tm.seconds; cin >> tm2.hours >> delim1 >> tm2.minutes >> delim2 >> tm2.seconds; DetermineElapsedTime(tm, tm2); return 0; } I have to fix the errors first. Anyone have any ideas??

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  • fsck on LVM snapshots

    - by Alpha01
    I'm trying to do some file system checks using LVM snapshots of our Logical Volumes to see if any of them have dirty file systems. The problem that I have is that our LVM only has one Volume Group with no available space. I was able to do fsck's on some of the logical volumes using a loopback file system. However my question is, is it possible to create a 200GB loopback file system, and saved it on the same partition/logical volume that I'll be taking a snapshot of? Is LVM smart enough to not take a snapshot copy of the actual snapshot? [root@server z]# vgdisplay --- Volume group --- VG Name Web2-Vol System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 29 VG Access read/write VG Status resizable MAX LV 0 Cur LV 6 Open LV 6 Max PV 0 Cur PV 1 Act PV 1 VG Size 544.73 GB PE Size 4.00 MB Total PE 139450 Alloc PE / Size 139450 / 544.73 GB Free PE / Size 0 / 0 VG UUID BrVwNz-h1IO-ZETA-MeIf-1yq7-fHpn-fwMTcV [root@server z]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 9.7G 3.6G 5.6G 40% / /dev/sda1 251M 29M 210M 12% /boot /dev/mapper/Web2--Vol-var 12G 1.1G 11G 10% /var /dev/mapper/Web2--Vol-var--spool 12G 184M 12G 2% /var/spool /dev/mapper/Web2--Vol-var--lib--mysql 30G 15G 14G 52% /var/lib/mysql /dev/mapper/Web2--Vol-usr 13G 3.3G 8.9G 27% /usr /dev/mapper/Web2--Vol-z 468G 197G 267G 43% /z /dev/mapper/Web2--Vol-tmp 3.0G 76M 2.8G 3% /tmp tmpfs 7.9G 92K 7.9G 1% /dev/shm The logical volume in question is /dev/mapper/Web2--Vol-z. I'm afraid if I created the loopback file system in /dev/mapper/Web2--Vol-z and take a snapshot of it, the disk size will be trippled in size, thus running out of disk space available.

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  • What steps should I take to debug this non-starting hvm virtual machine?

    - by Ophidian
    I have a dom0 machine running CentOS 5.4 with all the latest updates using Xen as my hypervisor. I am using Xen in part because this machine was set up prior to KVM being included in RHEL, and in part because KVM's network bridging configuration is not nearly as simple as Xen's. The dom0 machine is headless and I do all of my VM management via virsh from the command line. I have two hvm domU's: A web server running CentOS 5.4 A mail server running Gentoo Both VM's are backed by LV's on the dom0 but do not use LVM in the domU. Both have virtually identical libvirt configurations (differing by expected things like name, UUID, NIC MAC, VNC port, etc). The web server domU (WSdomU hereafter) does not start since applying the most recent kernel update (kernel-xen-2.6.18-164.15.1.el5.x86_64 and kernel-2.6.18-164.15.1.el5.x86_64 for the dom0 and WSdomU respectively). By 'not start' I mean it appears to be running but it does not use an CPU cycles, does not bring up a graphical console, and does not respond on the network. The WSdomU is listed as no state rather than the normal running or blocked in xentop. The mail server domU starts fine and functions normally. Here are the steps I have taken so far that did not solve the problem: Reboot the dom0 to see if things come up on their own Check xen dmesg on dom0 Check xend logs (a cursory viewing did not show anything blatant; specific suggestions of things to look for would be appreciated) Attempted to connect to the WSdomU's graphical (VNC) console from the dom0 Shutdown the mail server domU and attempt to start the WSdomU Check the SELinux labels on backing LV's (they're the same) Set SELinux to permissive and attempt to start the WSdomU Use virsh edit to try tweaking the WSdomU config virsh undefine, reboot, virsh define the WSdomU config dd the WSdomU LV to an .img file, copy it to my Fedora desktop and run it under KVM (works fine) What steps should I take next to debug this? I will edit in any additional configuration's requested in the comments.

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  • Juggling with JDKs on Apple OS X

    - by Blueberry Coder
    I recently got a shiny new MacBook Pro to help me support our ADF Mobile customers. It is really a wonderful piece of hardware, although I am still adjusting to Apple's peculiar keyboard layout. Did you know, for example, that the « delete » key actually performs a « backspace »? But I disgress... As you may know, ADF Mobile development still requires JDeveloper 11gR2, which in turn runs on Java 6. On the other hand, JDeveloper 12c needs JDK 7. I wanted to install both versions, and wasn't sure how to do it.   If you remember, I explained in a previous blog entry how to install JDeveloper 11gR2 on Apple's OS X. The trick was to use the /usr/libexec/java_home command in order to invoke the proper JDK. In this case, I could have done the same thing; the two JDKs can coexist without any problems, since they install in completely different locations. But I wanted more than just installing JDeveloper. I wanted to be able to select my JDK when using the command line as well. On Windows, this is easy, since I keep all my JDKs in a central location. I simply have to move to the appropriate folder or type the folder name in the command I want to execute. Problem is, on OS X, the paths to the JDKs are... let's say convoluted.  Here is the one for Java 6. /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home The Java 7 path is not better, just different. /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home Intuitive, isn't it? Clearly, I needed something better... On OS X, the default command shell is bash. It is possible to configure the shell environment by creating a file named « .profile » in a user's home folder. Thus, I created such a file and put the following inside: export JAVA_7_HOME=$(/usr/libexec/java_home -v1.7) export JAVA_6_HOME=$(/usr/libexec/java_home -v1.6) export JAVA_HOME=$JAVA_7_HOME alias java6='export JAVA_HOME=$JAVA_6_HOME' alias java7='export JAVA_HOME=$JAVA_7_HOME'  The first two lines retrieve the current paths for Java 7 and Java 6 and store them in two environment variables. The third line marks Java 7 as the default. The last two lines create command aliases. Thus, when I type java6, the value for JAVA_HOME is set to JAVA_6_HOME, for example.  I now have an environment which works even better than the one I have on Windows, since I can change my active JDK on a whim. Here a sample, fresh from my terminal window. fdesbien-mac:~ fdesbien$ java6 fdesbien-mac:~ fdesbien$ java -version java version "1.6.0_65" Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609) Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode) fdesbien-mac:~ fdesbien$ fdesbien-mac:~ fdesbien$ java7 fdesbien-mac:~ fdesbien$ java -version java version "1.7.0_45" Java(TM) SE Runtime Environment (build 1.7.0_45-b18) Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode) fdesbien-mac:~ fdesbien$ Et voilà! Maximum flexibility without downsides, just I like it. 

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  • Git and Mercurial - Compare and Contrast

    - by TM
    For a while now I've been using subversion for my personal projects. More and more I keep hearing great things about Git and Mercurial, and DVCS in general. I'd like to give the whole DVCS thing a whirl, but I'm not too familiar with either option. What are some of the differences between Mercurial and Git? Note that I'm not trying to find out which one is "best" or even which one I should start with. I'm mainly looking for key areas where they are similar and where they are different, because I am interested to know how they differ in terms of implementation and philosophy.

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  • What does "cpuid level" means ? Asking just for curiosity

    - by ogzylz
    For example, I put just 2 core info of a 16 core machine. What does "cpuid level : 6" line means? If u can provide info about lines "bogomips : 5992.10" and "clflush size : 64" I will be appreciated processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 6 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 8 cpu MHz : 2992.689 cache size : 4096 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 6 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm bogomips : 5992.10 clflush size : 64 cache_alignment : 128 address sizes : 40 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 6 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 8 cpu MHz : 2992.689 cache size : 4096 KB physical id : 1 siblings : 4 core id : 0 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 6 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl vmx cid cx16 xtpr lahf_lm bogomips : 5985.23 clflush size : 64 cache_alignment : 128 address sizes : 40 bits physical, 48 bits virtual power management:

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  • Cannot use Java 7 instalation if Java 8 is installed

    - by Sebastien Diot
    I normally still use Java 7 for all my coding projects (it's a company "politics" issue), but I installed Java 8 for one third-party project I am contributing to. Now, it seems I cannot have Java 8 installed in Windows 7 x64, and still use Java 7 by default: C:\>"%JAVA_HOME%\bin\java.exe" -version java version "1.7.0_55" Java(TM) SE Runtime Environment (build 1.7.0_55-b13) Java HotSpot(TM) 64-Bit Server VM (build 24.55-b03, mixed mode) C:\>java.exe -version java version "1.8.0_05" Java(TM) SE Runtime Environment (build 1.8.0_05-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.5-b02, mixed mode) As you can see, JAVA_HOME is completely ignored. I also have Java in the path, using "%JAVA_HOME%\bin", which resolve correctly to Java 7 when I check the path in a DOS box, but it still makes no difference. I checked in the "Java Control Panel" (not sure if this affects the default command-line Java version). Under the "Java" tab, the "View..." button, you get to see "registered" Java versions. I can add all the versions under the "User" tab, but under "System" there is only Java 8, and no way to change it. Am I missing something, or did Oracle just make it impossible to use Java 7, unless I de-install Java 8? I don't want to have to specify the "source" and "target" everywhere, and I don't even know if it is possible for me to specify it everywhere, where Java is used. EDIT: What I did is I de-installed all Java. Then installed the latest Java7 (both 86 and x64), and then the latest Java8 (both 86 and x64). After I did that, I noticed that the x64 JDK was gone. It seems Java8 killed it. So I re-installed the JDK 7 x64, after the JDK 8 x64. Still, JDK7 x64 did not seem to "replace" the "java.exe" which is copied into the "Windows" directory itself (I assume THAT is the problem).

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