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  • What's the role of the brackets in the following piece of code?

    - by Emanuil
    This is the tracking code for Google Analytics: var _gaq = _gaq || []; _gaq.push(["_setAccount", "UA-256257-21"]); _gaq.push(["_trackPageview"]); (function() { var ga = document.createElement("script"); ga.type = "text/javascript"; ga.async = true; ga.src = ("https:" == document.location.protocol ? "https://ssl" : "http://www") + ".google-analytics.com/ga.js"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(ga, s); })(); You can see that the function in the second paragraph is inside brackets. Why do you think is that?

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  • What's the role of the parentheses in the following piece of code?

    - by Emanuil
    This is the tracking code for Google Analytics: var _gaq = _gaq || []; _gaq.push(["_setAccount", "UA-256257-21"]); _gaq.push(["_trackPageview"]); (function() { var ga = document.createElement("script"); ga.type = "text/javascript"; ga.async = true; ga.src = ("https:" == document.location.protocol ? "https://ssl" : "http://www") + ".google-analytics.com/ga.js"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(ga, s); })(); You can see that the function is inside parentheses. Why do you think is that?

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  • How to implement User base security not role base in asp.net?

    - by Gaurav
    Hi, I have to implement User base security in my Web project using .Net3.5. Followings are some we need: Roles can be Admin, Manage, Editor, Member etc User can have multiple roles Every roles has its own dynamic menus and restrictions/resources All menus and interface will populate dynamically from Database I heard some where this kind of i.e user base security can be implemented using HashTable but I dont know how is it? Today I came to know that for this kind of work Java people use Interceptor Design patterns. So, how could I do the same in asp.net C#?

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  • How do I link ASP.NET membership/role users to tables in db?

    - by SnapConfig.com
    I am going to use forms authentication but I want to be able to link the asp.net users to some tables in the db for example If I have a class and students (as roles) I'll have a class students table. I'm planning to put in a Users table containing a simple int userid and ASP.NET username in there and put userid wherever I want to link the users. Does that sound good? any other options of modeling this? it does sound a bit convoluted?

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  • What role does the Apple iTunes server play in Enterprise distribution?

    - by Piepants
    I'm looking into what's involved in distributing an Enterprise App and found this line in Apple's Enterprise App Distribution doc in the section on installing the apps wirelessly: A network configuration that allows the devices to access an iTunes server at Apple What does this mean and why is it necessary? I thought the apps to be installed would be hosted on a company web site, but does this imply otherwise? TIA

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  • What is the role of asserts in C++ programs that have unit tests?

    - by lhumongous
    Greetings, I've been adding unit tests to some legacy C++ code, and I've run into many scenarios where an assert inside a function will get tripped during a unit test run. A common idiom that I've run across is functions that take pointer arguments and immediately assert if the argument is NULL. I could easily get around this by disabling asserts when I'm unit testing. But I'm starting to wonder if unit tests are supposed to alleviate the need for runtime asserts. Is this a correct assessment? Are unit tests supposed to replace runtime asserts by happening sooner in the pipeline (ie: the error is caught in a failing test instead of when the program is running). On the other hand, I don't like adding soft fails to code (eg: if(param == NULL) return false;). A runtime assert at least makes it easier to debug a problem in case a unit test missed a bug. Thanks!

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  • What is the role of `while`-loops in computation expressions in F#?

    - by MizardX
    If you define a While method of the builder-object, you can use while-loops in your computation expressions. The signature of the While method is: member b.While (predicate:unit->bool, body:M<'a>) : M<'a> For comparison, the signature of the For method is: member b.For (items:seq<'a>, body:unit->M<'a>) : M<'a> You should notice that, in the While-method, the body is a simple type, and not a function as in the For method. You can embed some other statements, like let and function-calls inside your computation-expressions, but those can impossibly execute in a while-loop more than once. builder { while foo() do printfn "step" yield bar() } Why is the while-loop not executed more than once, but merely repeated? Why the significant difference from for-loops? Better yet, is there some intended strategy for using while-loops in computation-expressions?

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  • Error installing TFS in Windows 8

    - by Davi Fiamenghi
    Trying to install TFS on my computer in order to make a demonstration. I can't figure out what else can I do to solve these errors: Information [ System Checks ] TF255142: Windows Firewall is not enabled. If you enable Windows Firewall after configuring Team Foundation Server, you must add exceptions for ports used by Team Foundation Server to Windows Firewall. Error [ Application Tier ] TF255120: Compatibility mode for Internet Information Services (IIS) 6.0 is not enabled. Team Foundation Server requires this on this operating system. Error [ Application Tier ] TF255456: You must configure Internet Information Services (IIS) to use the Static Content component. Team Foundation Server requires the Static Content component in IIS. Error [ Application Tier ] TF255397: Windows Authentication has not been configured as a role service in Internet Information Services (IIS). Team Foundation Server requires that Windows Authentication is installed as one of the role services in IIS. Error [ Application Tier ] TF255397: Windows Authentication has not been configured as a role service in Internet Information Services (IIS). Team Foundation Server requires that Windows Authentication is installed as one of the role services in IIS. Error [ Application Tier ] TF255397: Windows Authentication has not been configured as a role service in Internet Information Services (IIS). Team Foundation Server requires that Windows Authentication is installed as one of the role services in IIS. Here are my IIS features: (I installed and restarted the computer) Everything requested on the errors are installed, running on Windows 8 Consumer Preview Build 8250. IIS is working normally on http: //localhost:80 "Default Application" Please, Am I missing something?

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  • Where should I start with debugging my exchange server?

    - by joadha
    I'm (foolishly?) attempting to install Exchange on top of Windows Server 2008 (64-bit) over Virtual Box running on Mac OSX Lion. Everything went smoothly until I got to the "Readiness Checks" tab. Readiness failed spectacularly on Hub Transport Role and Mailbox Role prereqs. Before I go too far down the rabbit hole in attempting to remedy this, I was hoping I could get some input on where to start in all of this. I already set up the following Active Directory roles, but it didn't seem to help: Active Directory Domain Services Active Directory Lightweight Directory Services I also enabled an Application Server role. Those three are the only roles I've set up-- I cannot locate within Server Manager the Organization Manager role or any of the other roles referenced in the list of borkedness below. Is this a typical experience in Exchange installation? Is there a tutorial created by somebody outside of Microsoft? Here's the output from Readiness Checks: Summary: 5 item(s). 2 succeeded, 3 failed. Elapsed time: 00:00:53 Configuring Prerequisites Completed Elapsed Time: 00:00:00 Languages Prerequisites Completed Elapsed Time: 00:00:09 Hub Transport Role Prerequisites Failed Error: Active Directory does not exist or cannot be contacted. Click here for help... http://go.microsoft.com/fwlink/? linkid=30939&l=en&v=ExBPA.14&id=51e5500d-8b18-4eee-bb8e-925d063b60a1 Error: You must be a member of the 'Organization Management' role group or 'Enterprise Admins' group to continue. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=1d750594-9222-44d7-8f80-45e522e889e6 Error: Setup encountered a problem while validating the state of Active Directory: Could not find information about the local domain. Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.1.218.11&e=ms.exch.err.Ex28883C&l=0&cl=cp Error: You must be logged on as an Exchange organization administrator to install or upgrade the first Hub Transport server role in the topology. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=e58f51fd-2c66-4a4b-914a-628dccf9a09f Error: The 'IIS 6 Metabase Compatibility' component is not installed. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=0a71c4f6-68de-40f7-94cf-74b73cbda37b Error: The 'IIS 7 Basic Authentication' component required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=41a25c5e-0d39-4e55-a1f0-7be885982236 Error: The 'IIS 7 Windows Authentication' component is required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=41a25c5e-0d39-4e55-a1f0-7be885982236 Error: The 'IIS 7 .NET Extensibility' component is required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=5f29a861-f472-4f11-a23a-04155373f5ed Error: This computer is not part of a Windows domain. Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.1.218.11&e=ms.exch.err.Ex28883C&l=0&cl=cp Error: The user is not logged on to a Windows domain Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.1.218.11&e=ms.exch.err.Ex28883C&l=0&cl=cp Warning: This computer requires the Microsoft Office 2010 Filter Packs. Please install the software from http://go.microsoft.com/fwlink/?LinkID=191548 Warning: The 'IIS 6 Management Console' component is recommended as it allows for the administration of all server roles. Install the component via Server Manager. Warning: Setup cannot verify that the 'Host' (A) record for this computer exists within the DNS database on server 10.1.10.1. Elapsed Time: 00:00:15 Client Access Role Prerequisites Failed Error: Active Directory does not exist or cannot be contacted. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=51e5500d-8b18-4eee-bb8e-925d063b60a1 Error: Unable to read data from the Metabase. Ensure that Microsoft Internet Information Services is installed. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=a4a4d339-4009-4fb7-b842-ca2ba79f13f0 Error: The World Wide Web (W3SVC) service is either disabled or not installed on this computer. You must exit Setup, install the required component, then restart the Setup process. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=9eeaa77f-4d46-4d9a-9c36-f262a075392b Error: You must be a member of the 'Organization Management' role group or 'Enterprise Admins' group to continue. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=1d750594-9222-44d7-8f80-45e522e889e6 Error: Setup encountered a problem while validating the state of Active Directory: Could not find information about the local domain. Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.1.218.11&e=ms.exch.err.Ex28883C&l=0&cl=cp Error: You must be logged on as an Exchange organization administrator to install or upgrade the first Client Access server role in the topology. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=e58f51fd-2c66-4a4b-914a-628dccf9a09f Error: The 'IIS 6 Metabase Compatibility' component is not installed. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=0a71c4f6-68de-40f7-94cf-74b73cbda37b Error: The 'IIS 6 Management Console' component is not installed. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=0a71c4f6-68de-40f7-94cf-74b73cbda37b Error: The 'IIS 7 Dynamic Content Compression' component is required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/? linkid=30939&l=en&v=ExBPA.14&id=41a25c5e-0d39-4e55-a1f0-7be885982236 Error: The 'IIS 7 Static Content Compression' component is required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=41a25c5e-0d39-4e55-a1f0-7be885982236 Error: The 'IIS 7 Basic Authentication' component required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=41a25c5e-0d39-4e55-a1f0-7be885982236 Error: The 'IIS 7 Windows Authentication' component is required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=41a25c5e-0d39-4e55-a1f0-7be885982236 Error: The 'IIS 7 Digest Authentication' component is required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=41a25c5e-0d39-4e55-a1f0-7be885982236 Error: The 'IIS 7 .NET Extensibility' component is required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=5f29a861-f472-4f11-a23a-04155373f5ed Error: This computer is not part of a Windows domain. Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.1.218.11&e=ms.exch.err.Ex28883C&l=0&cl=cp Error: The user is not logged on to a Windows domain Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.1.218.11&e=ms.exch.err.Ex28883C&l=0&cl=cp Warning: Setup cannot verify that the 'Host' (A) record for this computer exists within the DNS database on server 10.1.10.1. Elapsed Time: 00:00:14 Mailbox Role Prerequisites Failed Error: Active Directory does not exist or cannot be contacted. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=51e5500d-8b18-4eee-bb8e-925d063b60a1 Error: Unable to read data from the Metabase. Ensure that Microsoft Internet Information Services is installed. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=a4a4d339-4009-4fb7-b842-ca2ba79f13f0 Error: The World Wide Web (W3SVC) service is either disabled or not installed on this computer. You must exit Setup, install the required component, then restart the Setup process. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=9eeaa77f-4d46-4d9a-9c36-f262a075392b Error: You must be a member of the 'Organization Management' role group or 'Enterprise Admins' group to continue. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=1d750594-9222-44d7-8f80-45e522e889e6 Error: Setup encountered a problem while validating the state of Active Directory: Could not find information about the local domain. Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.1.218.11&e=ms.exch.err.Ex28883C&l=0&cl=cp Error: You must be logged on as an Exchange organization administrator to install or upgrade the first Mailbox server role in the topology. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=e58f51fd-2c66-4a4b-914a-628dccf9a09f Error: The 'IIS 6 Metabase Compatibility' component is not installed. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=0a71c4f6-68de-40f7-94cf-74b73cbda37b Error: The 'IIS 6 Management Console' component is not installed. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=0a71c4f6-68de-40f7-94cf-74b73cbda37b Error: The 'IIS 7 Basic Authentication' component required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=41a25c5e-0d39-4e55-a1f0-7be885982236 Error: The 'IIS 7 Windows Authentication' component is required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=41a25c5e-0d39-4e55-a1f0-7be885982236 Error: The 'IIS 7 .NET Extensibility' component is required. Install the component via Server Manager. Click here for help... http://go.microsoft.com/fwlink/?linkid=30939&l=en&v=ExBPA.14&id=5f29a861-f472-4f11-a23a-04155373f5ed Error: This computer is not part of a Windows domain. Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.1.218.11&e=ms.exch.err.Ex28883C&l=0&cl=cp Error: The user is not logged on to a Windows domain Click here for help... http://technet.microsoft.com/en-US/library/ms.exch.err.default(EXCHG.141).aspx?v=14.1.218.11&e=ms.exch.err.Ex28883C&l=0&cl=cp Warning: This computer requires the Microsoft Office 2010 Filter Packs. Please install the software from http://go.microsoft.com/fwlink/?LinkID=191548 Warning: Setup cannot verify that the 'Host' (A) record for this computer exists within the DNS database on server 10.1.10.1. Elapsed Time: 00:00:14

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  • how to drop_caches in OpenVZ centos6 container

    - by Omar Jackman
    I have tried sudo sh -c 'echo 3 > /proc/sys/vm/drop_caches' sudo echo 3 > /proc/sys/vm/drop_caches echo 3 > /proc/sys/vm/drop_caches and a bunch of other variations but with every try I get bash: /proc/sys/vm/drop_caches: Permission denied How do I clear the ram used for buffers/cache in my centos6 openvz container? It seems like the only way to do what I need is to reboot the container.

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  • How to mount a drive in Ubuntu from terminal

    - by Mirage
    hi, I want to mount a drive from terminal at start up. At start if i use ls /media then its empty but if i go to computer and then click VM drive there and after that i use ls /media then it shows VM drive . How can i mount that drive at from terminal something like mount VM or how can find the path of VM like /dev/sda or something

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  • How to access VMWare localhost from my mac?

    - by Abe Miessler
    I have developed a asp.net application on my VMWare virtual machine that I can access (on my VM) by going to http://localhost:1044 How can I access this from safari on my Mac that is running the VM? I tried running ipconfig on my VM and then using the IP address that was given for "Ethernet adapter Local Area Connection", something like this: http://192.168.179.139:1044/ but this throws a not found error. I am currently using NAT. How can I get to localhost on my VM from my mac?

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  • Windows 7 fails to install on KVM with qemu

    - by kief_morris
    I'm trying to install Windows 7 on a virtual machine on my 64 bit Ubuntu Karmic box. I get to the point of selecting my language settings and clicking 'install now', but a short while later I get a blue screen of death. I've tried a few variations, including using the 32 bit (fails very quickly). The virt-install command I've tried includes this: sudo virt-install --connect qemu:///system -n ksm-win7 -r 2048 \ --disk path=/home/kief/VM-Images/ksm-win7.qcow2,size=50 \ -c /var/Software/Windows7/Full/64bit/SW_DVD5_SA_Win_Ent_7_64BIT_English_Full_MLF_X15-70749.ISO \ --vnc --os-type windows --os-variant vista --hvm The limited info I could find suggested that 'vista' should work as the --os-variant, I haven't found any values specific to windows 7. Here's my blue screen: I've found very little by Googling, so I'm guessing this isn't a case of KVM simply not supporting Windows 7. Thanks for any help. Update: I have been able to successfully create a Windows 7 VM using the graphical "Virtual Machine Manager" app, although I don't really understand the cause of the problem with the VM created with virt-install. Comparing the configuration files under /etc/libvirt/qemu provides some clues, although I don't know enough to interpret them properly. The interesting differences in the two VM configurations are: --- win7-virt-install.xml +++ win7-vmm.xml -<domain type='qemu'> +<domain type='kvm'> @@ -21 +21 @@ - <emulator>/usr/bin/qemu-system-x86_64</emulator> + <emulator>/usr/bin/kvm</emulator> @@ -23 +23 @@ - <source file='/home/kief/VM-Images/ksm-win7.qcow2'/> + <source file='/var/lib/libvirt/images/ksm-win7x64.img'/> I'm not sure if this means the working VM is not using qemu at all, or if there is some other difference in the way it's used with kvm. Update2: So I've answered my own question (mostly) below. A KVM VM needs to use KVM's own CPU emulation rather than qemu's in order for me to get Windows 7 installed. I'm not sure whether there is something that can be done to get it working on a qemu-emulation CPU, or whether a newer version will support it. But at least it is possible to get it running on a KVM VM.

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  • Hyper-V Machine drifts time all over, even with NTP

    - by MichaelGG
    Resolved The problem was Hyper-V on that machine. I removed Hyper-V, installed VMware Server, ran the same VM. Time sync issues went away (< 100ms difference after a day). My setup is like this: HYV1 - HyperV machine (non domain) - sync irrelevant AD1 - VM AD server on HYV1, sync'd to time.nist.gov. HyperV time sync off. S1 - Physical machine, sync'd to domain. S2 - Physical machine running HyperV, sync'd to domain. V1 - Linux VM machine on S2, sync'd to AD1. No HyperV integration. AD1 and S1 have fine sync -- stripchart shows less than 100ms difference. S2 drifts like crazy. Here's a bit of the stripchart against AD1: 18:33:22 d:+00.0010138s o:+05.4101899s 18:33:24 d:+00.0010138s o:+05.4319765s 18:33:26 d:+00.0000000s o:+05.4788429s 18:33:28 d:+00.0000000s o:+05.6089942s 18:33:30 d:+00.0010138s o:+05.7240269s 18:33:32 d:+00.0000000s o:+06.0421911s 18:33:34 d:+00.0081104s o:+06.5613708s 18:33:37 d:+00.0000000s o:+06.9096594s 18:33:39 d:+00.0000000s o:+06.8867838s 18:33:41 d:+00.0010127s o:+06.8936401s In 20 seconds, it drifted over a second. If I manually reset it to within 1s, within a few minutes it'll be back drifting about 2 seconds. Overnight it went from ~2s to ~5s. The Linux VM inside S2 has perfect sync with AD1. Here's the config: C:\Users\mgg>w32tm /dumpreg /subkey:Parameters Value Name Value Type Value Data ------------------------------------------------------------ ServiceDll REG_EXPAND_SZ %systemroot%\system32\w32time.dll ServiceMain REG_SZ SvchostEntry_W32Time ServiceDllUnloadOnStop REG_DWORD 1 Type REG_SZ NT5DS NtpServer REG_SZ ad01.mydomain ad02.mydomain C:\Users\mgg>w32tm /dumpreg /subkey:Config Value Name Value Type Value Data ----------------------------------------------------------- FrequencyCorrectRate REG_DWORD 4 PollAdjustFactor REG_DWORD 5 LargePhaseOffset REG_DWORD 50000000 SpikeWatchPeriod REG_DWORD 900 LocalClockDispersion REG_DWORD 9 HoldPeriod REG_DWORD 5 PhaseCorrectRate REG_DWORD 1 UpdateInterval REG_DWORD 30000 EventLogFlags REG_DWORD 2 AnnounceFlags REG_DWORD 5 TimeJumpAuditOffset REG_DWORD 28800 MinPollInterval REG_DWORD 2 MaxPollInterval REG_DWORD 8 MaxNegPhaseCorrection REG_DWORD -1 MaxPosPhaseCorrection REG_DWORD -1 MaxAllowedPhaseOffset REG_DWORD 300 I looked at the event log, and apart from warnings about sync (after it gets way out of sync), there's no other warnings. How can I go about troubleshooting this? It's the only machine that is having this problem. All the other machines (physical and virtual) are doing fine. Edit: To clarify: The VM (AD1) has integration turned off and syncs to time.nist.gov. AD1 is fine. It's the physical machine S1 that can't sync to AD1 and drifts all over. All the other physical servers are able to sync to AD1 just fine. Update So, it appears to be an issue of running the VM. The clock slips slowly with the VM off. Turned on, it immediately starts losing seconds. I swt the VM to only use half the resources, and that seems to have slightly mitigated it, for now. Thanks!

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  • No Connectivity to ESX guests on one server

    - by Sam Cogan
    I have a number of ESX servers hosting VM's, all but one of these works ok, however one server has a problem where any guests on not contactable over the network. The ESX hosts is contactable, is integrated int VCenter, and you can even live migrate VM's to and from this server, but any VM's on that server are unable to talk to the rest of the network. The VM's NIC is shown as Up and has the right IP configuration, and as soon as you move it back to another host it works fine.

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  • error in qemu monitor wavcapture with virsh

    - by Aniket Awati
    I have VM running on qemu-kvm. I am managing it with libvirt and command line tool virsh. I want to record the audio output of the VM. Here is what I am trying - virsh qemu-monitor-command -hmp VM_NAME wavcapture VM.wav This is the output I am getting : Failed to open wave file `vm.wav' Reason: Permission denied Failed to add wave capture I have tried to create a dummy vm.wav with 777 permissions. But I still get the same error.

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  • PC cannot ping another PC on my home network

    - by Mike C.
    Hello, I am running Windows 7 on my PC, and I am running a Windows 2008 Server VM in Windows Virtual PC. Both machines have network connectivity. However, I cannot ping the VM from the host neither by computer name nor IP. I can ping the host machine from the VM both by computer name and IP. Is there something I need to enable on the VM to allow it to be seen by other machines on my network? Thanks!

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  • How to mount a drive in Ubuntu from terminal

    - by Mirage
    hi, I want to mount a drive from terminal at start up. At start if i use ls /media then its empty but if i go to computer and then click VM drive there and after that i use ls /media then it shows VM drive . How can i mount that drive at from terminal something like mount VM or how can find the path of VM like /dev/sda or something

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  • Operand should contain 1 column(s) about insert into & select

    - by user1038890
    "insert into NodeProfileSections (profile_no, tpl_section_no) select (np.profile_no, tps.tpl_section_no) from NodeProfile np, TemplateProfileSection tps, TemplateProfile tp where np.hostname = '%s' AND np.role = '%s' AND tp.tpl_profile_no = tps.tpl_profile_no AND tp.tpl_name = '%s' AND tp.role = '%s' AND tps.tpl_section_name = '%s';" %(hostname, role, template_name, role, section_name) error_message = 'Operand should contain 1 column(s)' How to solve this problem?

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  • Creating a good search solution

    - by Daniel
    I have an app where users have a role,a username,faculty and so on.When I'm looking for a list of users by their role or faculty or anything they have in common I can call (among others possible) @users = User.find_by_role(params[:role]) #or @users = User.find_by_shift(params[:shift]) So it keeps the system Class.find_by_property So the question is: What if at different points users lists should be generated based on different properties.I mean: I'm passing from different links params[:role] or params[:faculty] or params[:department] to my list action in my users controller.As I see it all has to be in that action,but which parameter should the search be made by?

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  • Passing Values from a View to itself with parameters getting null values ?

    - by vsj
    Hi all, I am trying to get values from a view which i have the code below and I am taking the start date value from the view input text box and posting it back but I am still getting null except for the apikey and userkey.Here are the two views.. public ActionResult View1(string apiKey, string userId) { StartGoalViewModel vm = new StartGoalViewModel(); vm.ApiKey = apiKey; vm.UserId = userId; vm.GoalTypeId =1; vm.StartDate = null; return View(vm); } VIEW1.ASPX <% Html.BeginForm(); %> <%= Html.TextBox("name", Model.StartDate) %> <input type="submit" value="Start" /> <% Html.EndForm(); %> [HttpPost] public ActionResult VIEW1 (StartGoalViewModel fm) { // I get StartDate null... }

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  • CodePlex Daily Summary for Tuesday, July 29, 2014

    CodePlex Daily Summary for Tuesday, July 29, 2014Popular ReleasesArtezio SharePoint 2013 Workflow Activities: SharePoint Designer 2013 custom workflow actions 1.0: SharePoint Designer 2013 custom workflow actions that work with permissions. Add Role Assignment Add Role Assignments Delete Role Assignments Get Role Definition Id Get Role Definition Id By Role Type Id Reset Role Inheritance Artezio SharePoint Consulting & DevelopmentVG-Ripper & PG-Ripper: PG-Ripper 1.4.32: changes NEW: Added Support for 'ImgMega.com' links NEW: Added Support for 'ImgCandy.net' links NEW: Added Support for 'ImgPit.com' links NEW: Added Support for 'Img.yt' links FIXED: 'Radikal.ru' links FIXED: 'ImageTeam.org' links FIXED: 'ImgSee.com' links FIXED: 'Img.yt' linksAsp.Net MVC-4,Entity Framework and JQGrid Demo with Todo List WebApplication: Asp.Net MVC-4,Entity Framework and JQGrid Demo: Asp.Net MVC-4,Entity Framework and JQGrid Demo with simple Todo List WebApplication, Overview TodoList is a simple web application to create, store and modify Todo tasks to be maintained by the users, which comprises of following fields to the user (Task Name, Task Description, Severity, Target Date, Task Status). TodoList web application is created using MVC - 4 architecture, code-first Entity Framework (ORM) and Jqgrid for displaying the data.Waterfox: Waterfox 31.0 Portable: New features in Waterfox 31.0: Added support for Unicode 7.0 Experimental support for WebCL New features in Firefox 31.0:New Add the search field to the new tab page Support of Prefer:Safe http header for parental control mozilla::pkix as default certificate verifier Block malware from downloaded files Block malware from downloaded files audio/video .ogg and .pdf files handled by Firefox if no application specified Changed Removal of the CAPS infrastructure for specifying site-sp...SuperSocket, an extensible socket server framework: SuperSocket 1.6.3: The changes below are included in this release: fixed an exception when collect a server's status but it has been stopped fixed a bug that can cause an exception in case of sending data when the connection dropped already fixed the log4net missing issue for a QuickStart project fixed a warning in a QuickStart projectYnote Classic: Ynote Classic 2.8.5 Beta: Several Changes - Multiple Carets and Multiple Selections - Improved Startup Time - Improved Syntax Highlighting - Search Improvements - Shell Command - Improved StabilityDatabase Schema Reader: v1.3.4.0: Contents DatabaseSchemaReader.dll - Class library (.net3.5) DatabaseSchemaViewer.exe - UI to read and view database schemas; options to generate SQL and code; option to compare another schema CopyToSQLite/CopyToSQLite.exe - UI to copy any database schema and data to SQLite or, if installed, SQL Server CE 4.0 net4/DatabaseSchemaReader.dll - .Net 4.0 class library This Release Schema Reading (MySQL)- reads UNSIGNED integers (available in the schema model's DatabaseColumn.DbDataType prope...TEBookConverter: 1.2: Fixed: Could not start convertion in some cases Fixed: Progress show during convertion was truncated Fixed: Stopping convertion didn't reset program titleQ2Cue \\: Q2Cue v. 0.85: Initial release.CS-Script Source: Release v3.8.4: CSScript.Evaluator is migrated to Mono v3.3.0 Added aggregating //css_ignore_ns from the imported scripts cs-script.7z - CS-Script Suite (binaries, documentation, samples) cs-script.ExtensionPack.7z - CS-Script Extension Pack (additional binaries and samples) cs-scriptDocs.7z - CS-Script DocumentationDotSpatial: DotSpatial 1.7: DotSpatial.Full - includes all DotSpatial libraries, extensions and DemoMap application DotSpatial.Core - includes only DotSpatial core libraries Entire list of changes see in the issue tracker. Main changes: Improved common stability, optimized memory and speed when loading and rendering shapefiles, fixed some memory leaks in rasters and shape layers. Simplified plugin infrastructure. Now there are predefined implementations for all required components (IStatusControl, IDockManager, IHead...NRepository: NRepository 2.2: NuGetNRepository packages are available from NuGet.org: NRepository.Core: Install-Package NRepository.Core NRepository.EntityFramework: Install-Package NRepository.EntityFramework NRepository.TestKit: Install-Package NRepository.TestKit Contoso University Sample Projects Added 3 versions of Contoso University sample code added: ContosoUniversityOriginal - This is the original Microsoft sample project for Entity Framework. ContosoUniversityUsingNRepository - This version simply repl...InstagramSaver: 1.5: Added: An option to wait between downloads to prevent ban from server Improved: File downloading performance Improved: File checking performancePVReportDeployer: PVReportDeployer 1.0: PVReportDeployer 1.0AD4 Application Designer for flow based .NET applications: AD4.AppDesigner.23.20: AD4.Iteration.23.20(Advanced Rendering Features) Option to render name of flow pins within flow chart (AlarmClockSample.10.ad4 used to test this extension): MainWindow extended by adding FlowChartShowFlowPinCaptionsComboBox ConfigureUIControls customized ManageFlowChartShowFlowPinCaptionsOptionFlow customized Parameter FlowChartFlowPins replaced FlowChartFlowPinCaptions in AD4.AppDesigner.cfg RenderFlowPinsCaptions customized to use the parameter ToDo: Some tutorials are unfinished b...CRM 2013 One Click Navigation: CRM2013OneClickNavigation_1_0_0_3_managed.zip: Fixes on Security PrivilegesAutomatedLab: AutomatedLab 2.1.0.0: 2.1.0 Support for external virtual switches CaRoot is a new role for installing Root Certificate Authorities Root domain controllers are installed in parallel now 2.0.0 Now supports also Windows Server 2008 R2 and 7 No longer the limit of just having one client and one server operating system Rewrite of the code that handles VHDs Lots of bug fixing Changed that parameter definition of some cmdlets in AutomatedLabDefinition and also adapted the sample scripts Now the Forest...BizTalk Deployment Utilities: 1.0.0.0: Draft VersionGroupMe Software Development Kit: GroupMe .NET SDK v1.0.1: Small update concerning the /users/me endpoint to get the currently authenticated user info. Documentation is available here: http://dotnetcorner.ch/Projects/GroupMe-NET-SDK/DocumentationOneNote Tagging Kit: OneNoteTaggingKit Add-In 2.4.5316.33833: New Features in this ReleaseThe Find Pages dialog preserves search string and tag filter selection on search scope changes Other ChangesDialog windows restored when action button is pressed while windows is minimized Code cleanup and simplification Code documentation Created some reusable UI controls Tags styling made more pleasant (I hope) Tag tooltips improved on the Find Pages dialog : Added dedicated tooltips to the page count and selection indicator of tags Closing open dial...New ProjectsCognitum ASP.NET Providers for Cassandra: Cassandra Providers is a ASP.NET solution that uses the Cassandra Database data source for a custom Membership, Role, Profile, an Session-State providers.DG Mobile: Simples aplicação para inserção, visualização e emissão de relatório de atividades relacionadas ao DG.Dynamics AX Development tools: Several AX Development related tools combined into one configurable packages: TFS Workspace, DEV_Tools, and X++ Editor components.E Drawing Library for WinRT: E Drawing Library for WinRT lets you create graphic rich Windows Store Apps easily, giving you all the power of Direct2D with simple classes and methods.EFramework.DataAccess: Summary ????freetalkserver: This php server, user can register!gicon: gicon is a project to help you to generate avatar/icon by hash (MD5, SHA1) or random hex string (such as GUID)hOOt - Full text search: Full text search engine built from scratch using bitmap indexesMelodyUI - Library for HTML, CSS & JS Development: MelodyUI is a set of classes and helpers that let us to create Web Applications. MelodyUI is lightweight and don't have any dependency.nRF24L01Plus .NETMF driver: nRF24L01, .NET MFNyan: Beginning...Prince Game Xna: Prince of Persia Net Game in Xna Game StudioSmartsby: Combining several small business web app's information into a single dashboard.Super snippets: Super snippets para Visual StudioTCP/IP Adapter BizTalk 2013: BizTalk 2013 TCP/IP community adapter. This is an updated version of the TCP/IP adapter for BizTalk, for use with BizTalk 2013.testMercurial: summaryUnit OF Work With Sql Helper: This project is intended to provide a simple data access object for SQL Server with repository and Unit of Work pattern.VisualRegEx: Prototype. Experimenting regex parsing, graph layout, etc.WDK Hardware Development Boards Add-On: Scripts for working with windows compatible hardware development boards like the Sharks Cove?????? 2014????????: ???????????????、????、????、??????、????、????????,????????、?????????,?????。?????? 2014????????: ????????????,????,??????????? ???? ???? ?????????,???,??,?????!???? 2014????????: ?????????????、????、????、??????、????、???????,?????,?????????!????? 2014???????: ????????????????,?????????????。????????????,???????,???????,?????,?????????? 2014????????: ?????????????????、????、??????、????????,????????????,???????????！??????? 2014???????: ??????????????????,??????????????、???????、???????、???????、?????！??????? 2014????????: ?????????????????????,????????????????,????????????????,??????！????? 2014????????: ?????????????????????????,???????????,????????,??????????????????????????? 2014????????: ??????????????????????,????“???????,???????”?????,????????????！?????? 2014???????: ?????????????????,????,????,??????,????“????、????、????、????”????????,??????.?????? 2014????????: ?????????????????"????,????"???,????????????????????????,??????????????。?????? 2014????????: ??????????????:????,????,????,???????,????????,??????:????????,?????!???? 2014????????: ????????????????????????,???????????????,????????????????！???? 2014?????????: ??????????????????,?????????????,???????????.????????????,????????????!?????? 2014??????: ??????????????:????,????,????,???????,????????,??????:????????,?????!?????? 2014??????: ?????????????????,???????????????。?????????????,???????,?????????。????? 2014???????: ????????????????"????,????"???,????????????????????????,??????????????。????? 2014??????: ???????????????????,?????????????,???????????.????????????,????????????!????? 2014???????: ?????????????????????????,???????????????,????????????????！?????? ????????: ??????????????300??,????????、???????、????、????????、?????,??????:????,????,???????！?????? ????????: ??????????????????,?????,???，???、???、?????,???,?????,??????????????????? ???????????: ??????????????????,?????????。????????????,??????,????,????,?????????！????? ???????: ????????????????????????，?????、???、????，????，???、???、???、???、???，????，?????！????? ???????: ????????????????????,????????,????????,????,????,??????，???????!????? ???????: ???????????????,??????????????????,????????,??????????????、????。?????? 2014????????: ????????????????????,????????:??、??、???,?????????????????????!?????? ????????: ????????????????6?,???????????????????????????,??????????????,?????????！?????? ??????: ????????????????8?，????????,????????,??????????,?????,????? ,????????!?????? ???????: ?????????????????????????????、????、????、???????????,????,????!????? 2014???????: ???????????、???、??、??????????????????????????????,????????????????!?????? 2014????????: ????????????????????????、??????,????、?????、????， ?????????，?????????????！?????? ????????: ?????????????????????、????、????、??????、???????,??????、??????。?????? ???????: ??????????????????,???????、????、????、??????、???????,??????,???????????。???? ????????: ??????,??????,?????????????????????,???????????????????????。???? ???????: ??????????????,???????、???????????,????????,????,?????????,??????,??????!?????? ????????: ?????????????????,?????????????。?????????,???????,???????,?????????????。?????? ????????: ????????????????、??????、??????、??????、??????、?????、??????、????、????、????????！????? ???????: ???????????????????,??????????????,???????????,??????,????,??????,??????。????? ???????: ?????????????!???????????,??????,????,?????????????,????????,??????,????,?????...?????? ???????: ????????????、??、???????????,??????,????????,??????????????????...?????????? ????????: ??????????????,??????????????,?????????,????,????,??????。???? ?????: ????????????、?????????,?????????,????,????????,????????????????!????? 2014??????????: ???????????????????,?????,???????,???????????,??????! ????? 2014?????????: ???????????????????,?????????????????????,?????,????,???????.

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  • .NET Declarative Security: Why is SecurityAction.Deny impossible to work with?

    - by rally25rs
    I've been messing with this for about a day and a half now sifting through .NET reflector and MSDN docs, and can't figure anything out... As it stands in the .NET framework, you can demand that the current Principal belong to a role to be able to execute a method by marking a method like this: [PrincipalPermission(SecurityAction.Demand, Role = "CanEdit")] public void Save() { ... } I am working with an existing security model that already has a "ReadOnly" role defined, so I need to do exactly the opposite of above... block the Save() method if a user is in the "ReadOnly" role. No problem, right? just flip the SecurityAction to .Deny: [PrincipalPermission(SecurityAction.Deny, Role = "ReadOnly")] public void Save() { ... } Well, it turns out that this does nothing at all. The method still runs fine. It seems that the PrincipalPermissionAttribute defines: public override IPermission CreatePermission() But when the attribute is set to SecurityAction.Deny, this method is never called, so no IPermission object is ever created. Does anyone know of a way to get .Deny to work? I've been trying to make a custom secutiry attribute, but even that doesn't work. I tried to get tricky and do: public class MyPermissionAttribute : CodeAccessSecurityAttribute { private SecurityAction securityAction; public MyPermissionAttribute(SecurityAction action) : base(SecurityAction.Demand) { if (action != SecurityAction.Demand && action != SecurityAction.Deny) throw new ArgumentException("Unsupported SecurityAction. Only Demand and Deny are supported."); this.securityAction = action; } public override IPermission CreatePermission() { // do something based on the SecurityAction... } } Notice my attribute constructor always passes SecurityAction.Demand, which is the one action that would work previously. However, even in this case, the CreatePermission() method is still only called when the attribute is set to .Demand, and not .Deny! Maybe the runtime is actually checking the attribute instead of the SecurityAction passed to the CodeAccessSecurityAttribute constructor? I'm not sure what else to try here... anyone have any ideas? You wouldn't think it would be that hard to deny method access based on a role, instead of only demanding it. It really disturbed me that the default PrincipalPermission appears from within an IDE like it would be just fine doing a .Deny, and there is like a 1-liner in the MSDN docs that hint that it won't work. You would think the PrincipalPermissionAttribute constructor would throw an exception immediately if anything other that .Demand is specified, since that could create a big security hole! I never would have realized that .Deny does nothing at all if I hadn't been unit testing! Again, all this stems from having to deal with an existing security model that has a "ReadOnly" role that needs to be denied access, instead of doing it the other way around, where I cna just grant access to a role. Thanks for any help! Quick followup: I can actually make my custom attribute work by doing this: public class MyPermissionAttribute : CodeAccessSecurityAttribute { public SecurityAction SecurityAction { get; set; } public MyPermissionAttribute(SecurityAction action) : base(action) { } public override IPermission CreatePermission() { switch(this.SecurityAction) { ... } // check Demand or Deny } } And decorating the method: [MyPermission(SecurityAction.Demand, SecurityAction = SecurityAction.Deny, Role = "ReadOnly")] public void Save() { ... } But that is terribly ugly, since I'm specifying both Demand and Deny in the same attribute. But it does work... Another interesting note: My custom class extends CodeAccessSecurityAttribute, which in turn only extends SecurityAttribute. If I cnage my custom class to directly extend SecurityAttribute, then nothing at all works. So it seems the runtime is definately looking for only CodeAccessSecurityAttribute instances in the metadata, and does something funny with the SecurityAction specified, even if a custom constructor overrides it.

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