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  • Using [assembly: System.Runtime.CompilerServices.InternalsVisibleTo("System.Windows")] To expose Int

    - by Anthony
    Ok so I had a qustion awhile back regarding Silverlight 4 Data Binding with anonymous types, one of the answers was to use [assembly: System.Runtime.CompilerServices.InternalsVisibleTo("System.Windows")] in your AssemblyInfo.cs file. I tried this and it works! I know I'm making all my internal properties classes and methods visible to the System.Windows Assembley. But what kind of risk is this with the following in mind: The product is a hosted silverlight based web application, so it wont be distributed. Thanks in advance

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  • ssh-keygen works for root only?

    - by Hulk
    Does ssh-keygen -t rsa work if only set for root user i.e, if the username on local system is sodium and i generate the key using the above said command and on the remote system if i place the key in /root/.ssh authorized_keys ,this works. But on the remote system if the key is placed in /home/natrium/.ssh authorized_keys This still prompts for a password.Is this the expected behavior or is that some thing wrong in the above procedure Thanks..

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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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  • Help to resolve 'Out of memory' exception when calling DrawImage

    - by Jack Juiceson
    Hi guys, About one percent of our users experience sudden crash while using our application. The logs show below exception, the only thing in common that I've seen so far is that, they all have XP SP3. Thanks in advance Out of memory. at System.Drawing.Graphics.CheckErrorStatus(Int32 status) at System.Drawing.Graphics.DrawImage(Image image, Rectangle destRect, Int32 srcX, Int32 srcY, Int32 srcWidth, Int32 srcHeight, GraphicsUnit srcUnit, ImageAttributes imageAttrs, DrawImageAbort callback, IntPtr callbackData) at System.Drawing.Graphics.DrawImage(Image image, Rectangle destRect, Int32 srcX, Int32 srcY, Int32 srcWidth, Int32 srcHeight, GraphicsUnit srcUnit, ImageAttributes imageAttr, DrawImageAbort callback) at System.Drawing.Graphics.DrawImage(Image image, Rectangle destRect, Int32 srcX, Int32 srcY, Int32 srcWidth, Int32 srcHeight, GraphicsUnit srcUnit, ImageAttributes imageAttr) at System.Windows.Forms.ControlPaint.DrawBackgroundImage(Graphics g, Image backgroundImage, Color backColor, ImageLayout backgroundImageLayout, Rectangle bounds, Rectangle clipRect, Point scrollOffset, RightToLeft rightToLeft) at System.Windows.Forms.Control.PaintBackground(PaintEventArgs e, Rectangle rectangle, Color backColor, Point scrollOffset) at System.Windows.Forms.Control.PaintBackground(PaintEventArgs e, Rectangle rectangle) at System.Windows.Forms.Control.OnPaintBackground(PaintEventArgs pevent) at System.Windows.Forms.ScrollableControl.OnPaintBackground(PaintEventArgs e) at System.Windows.Forms.Control.PaintTransparentBackground(PaintEventArgs e, Rectangle rectangle, Region transparentRegion) at System.Windows.Forms.Control.PaintBackground(PaintEventArgs e, Rectangle rectangle, Color backColor, Point scrollOffset) at System.Windows.Forms.Control.PaintBackground(PaintEventArgs e, Rectangle rectangle) at System.Windows.Forms.Control.OnPaintBackground(PaintEventArgs pevent) at System.Windows.Forms.ScrollableControl.OnPaintBackground(PaintEventArgs e) at System.Windows.Forms.Control.PaintTransparentBackground(PaintEventArgs e, Rectangle rectangle, Region transparentRegion) at System.Windows.Forms.Control.PaintBackground(PaintEventArgs e, Rectangle rectangle, Color backColor, Point scrollOffset) at System.Windows.Forms.Control.PaintBackground(PaintEventArgs e, Rectangle rectangle) at System.Windows.Forms.Control.OnPaintBackground(PaintEventArgs pevent) at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer, Boolean disposeEventArgs) at System.Windows.Forms.Control.WmPaint(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) Operation System Information ---------------------------- Name = Windows XP Edition = Home Service Pack = Service Pack 3 Version = 5.1.2600.196608 Bits = 32

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  • Unable to create system partition or locate existing system partition during Windows-7 installation

    - by glenneroo
    I have Windows XP 32-bit installed on an ASUS A8N-SLI Deluxe with 2x 500gb drives in RAID1 using the NV RAID controller. On this there are 3 partitions (XP, XP backup and DATA) There are also 4x 500gb drives in RAID10 using the Silicon Image 3114R RAID controller. I just purchased a Windows 7 64-bit as an ISO download upgrade version which I promptly burned to DVD and attempted to perform an upgrade installation. Here is the error message I am getting: Firstly, where are these "Setup log files" located? Second, does this mean I need to find compatible (64-bit?) drivers for the Mainboard and put them on floppy? EDIT: As suggested on another forum, I tried downloading the nVidia Mainboard RAID drivers for Windows 2003 64-bit. I loaded the drivers successfully using the Load Driver button, but pressing NEXT still returns this error.

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  • Information System for an Academic Institution

    - by birukw
    Hi, The University I am working for is undergoing a major renovation of the ICT system. The team currently undertaking the task is designing a centralized system with the intent of providing most (if not all) services of the institution electronically. Most of us are academicians with little practical experience. The questions we need answers for are What are the systems (preferably free, as in Beer, and/or open) and best-practices in use in other academic institutions? What are the experiences of people administering academic ICT systems? What are the overheads of attempting to provide services through an intranet cloud (like UEC) for us (a medium-sized academic institution, in a third-world country)? We would very much appreciate it if you could give us your take on the situtation. Thanks

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  • Exchange Public Folders in Snow Leopard Mail.app

    - by W_P
    I am using Mail.app (running snow leopard) to connect to my email account on my school's Exchange 2007 server. I get my Inbox just fine, and iCal connects to my Outlook Calendar just fine, but I cannot seem to get any of the Exchange Public Folders that I can automatically see when I am using Outlook on a Windows box. The Account Type is shown as "Exchange 2007" I did not have any luck Googling this problem, in fact most of the results I saw were dealing with the opposite problem: Remove MS Exchange Public Folders I am aware that my question is a duplicate of this: http://superuser.com/questions/103115/apple-mail-app-all-exchange-folders-not-visible but since that question did not get any responses, I am reposting.

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  • System Restore Points

    - by Ross Lordon
    Currently I am investigating how to schedule an automatic initiation of a system restore point for all of the workstations in my office. It seems that Task Scheduler already has some nice defaults (screenshots below). Even the history for this task verifies that it is running successfully. However, when I go to Recovery in the Control Panel it only lists the System Restore Points one for every previous for only 3 weeks back even if I check the show more restore points box. Why don't the additional ones appear? Would there be a better way to implement a solution, like via group policy or a script? Is there any documentation on this online? I've been having a hard time tracking anything down except how to subvert group policy disabling this feature.

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  • General purpose ticketing/tech support system [closed]

    - by crazybyte
    Possible Duplicate: What’s your favorite ticketing system? I was wondering if somebody could recommend me a very user friendly or simple general purpose ticketing/tech support system. I need something that is web based, preferably open-sourced/free software implemented using PHP, Ruby, Ruby on Rails or Java (as back end) with MySQL or PostgreSQL as database engine. I need something that is not development management oriented or project management oriented like Eventum or similar (random example), something to which the user can connect open a tech support request and be able to follow it until is solved or dropped.I need it to be open-sourced to be able to modify it if there is a need or extend it. I tried a number of such systems available and I found that osTicket or eTicket is something that it's close to what I need, but the code is somewhat flaky and some of the features are working badly or behaving strangely. Any thoughts/advice where to find something similar? Thanks!

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  • Howto read system informations in C++ on windows and linux?

    - by f4
    I need to read system information like cpu/ram/disks usage in C++. Maybe swap, network and process too but that's less important. It has probably been done thousand of times before so I first tried to search for a library. Someone here suggested SIGAR, which seems to fit my needs but is GPL and it is for inclusion in a proprietary product. So it's not an option here. I feel like it's something not that easy to implement, as it'll need testing on several platforms. So a library would be welcome. If you don't know of any library, could you point me in the right direction for both platforms?

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  • Imperative vs. LINQ Performance on WP7

    - by Bil Simser
    Jesse Liberty had a nice post presenting the concepts around imperative, LINQ and fluent programming to populate a listbox. Check out the post as it’s a great example of some foundational things every .NET programmer should know. I was more interested in what the IL code that would be generated from imperative vs. LINQ was like and what the performance numbers are and how they differ. The code at the instruction level is interesting but not surprising. The imperative example with it’s creating lists and loops weighs in at about 60 instructions. .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } 1: .method private hidebysig instance void ImperativeMethod() cil managed 2: { 3: .maxstack 3 4: .locals init ( 5: [0] class [mscorlib]System.Collections.Generic.IEnumerable`1<int32> someData, 6: [1] class [mscorlib]System.Collections.Generic.List`1<int32> inLoop, 7: [2] int32 n, 8: [3] class [mscorlib]System.Collections.Generic.IEnumerator`1<int32> CS$5$0000, 9: [4] bool CS$4$0001) 10: L_0000: nop 11: L_0001: ldc.i4.1 12: L_0002: ldc.i4.s 50 13: L_0004: call class [mscorlib]System.Collections.Generic.IEnumerable`1<int32> [System.Core]System.Linq.Enumerable::Range(int32, int32) 14: L_0009: stloc.0 15: L_000a: newobj instance void [mscorlib]System.Collections.Generic.List`1<int32>::.ctor() 16: L_000f: stloc.1 17: L_0010: nop 18: L_0011: ldloc.0 19: L_0012: callvirt instance class [mscorlib]System.Collections.Generic.IEnumerator`1<!0> [mscorlib]System.Collections.Generic.IEnumerable`1<int32>::GetEnumerator() 20: L_0017: stloc.3 21: L_0018: br.s L_003a 22: L_001a: ldloc.3 23: L_001b: callvirt instance !0 [mscorlib]System.Collections.Generic.IEnumerator`1<int32>::get_Current() 24: L_0020: stloc.2 25: L_0021: nop 26: L_0022: ldloc.2 27: L_0023: ldc.i4.5 28: L_0024: cgt 29: L_0026: ldc.i4.0 30: L_0027: ceq 31: L_0029: stloc.s CS$4$0001 32: L_002b: ldloc.s CS$4$0001 33: L_002d: brtrue.s L_0039 34: L_002f: ldloc.1 35: L_0030: ldloc.2 36: L_0031: ldloc.2 37: L_0032: mul 38: L_0033: callvirt instance void [mscorlib]System.Collections.Generic.List`1<int32>::Add(!0) 39: L_0038: nop 40: L_0039: nop 41: L_003a: ldloc.3 42: L_003b: callvirt instance bool [mscorlib]System.Collections.IEnumerator::MoveNext() 43: L_0040: stloc.s CS$4$0001 44: L_0042: ldloc.s CS$4$0001 45: L_0044: brtrue.s L_001a 46: L_0046: leave.s L_005a 47: L_0048: ldloc.3 48: L_0049: ldnull 49: L_004a: ceq 50: L_004c: stloc.s CS$4$0001 51: L_004e: ldloc.s CS$4$0001 52: L_0050: brtrue.s L_0059 53: L_0052: ldloc.3 54: L_0053: callvirt instance void [mscorlib]System.IDisposable::Dispose() 55: L_0058: nop 56: L_0059: endfinally 57: L_005a: nop 58: L_005b: ldarg.0 59: L_005c: ldfld class [System.Windows]System.Windows.Controls.ListBox PerfTest.MainPage::LB1 60: L_0061: ldloc.1 61: L_0062: callvirt instance void [System.Windows]System.Windows.Controls.ItemsControl::set_ItemsSource(class [mscorlib]System.Collections.IEnumerable) 62: L_0067: nop 63: L_0068: ret 64: .try L_0018 to L_0048 finally handler L_0048 to L_005a 65: } 66:   67: Compare that to the IL generated for the LINQ version which has about half of the instructions and just gets the job done, no fluff. .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } 1: .method private hidebysig instance void LINQMethod() cil managed 2: { 3: .maxstack 4 4: .locals init ( 5: [0] class [mscorlib]System.Collections.Generic.IEnumerable`1<int32> someData, 6: [1] class [mscorlib]System.Collections.Generic.IEnumerable`1<int32> queryResult) 7: L_0000: nop 8: L_0001: ldc.i4.1 9: L_0002: ldc.i4.s 50 10: L_0004: call class [mscorlib]System.Collections.Generic.IEnumerable`1<int32> [System.Core]System.Linq.Enumerable::Range(int32, int32) 11: L_0009: stloc.0 12: L_000a: ldloc.0 13: L_000b: ldsfld class [System.Core]System.Func`2<int32, bool> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate6 14: L_0010: brtrue.s L_0025 15: L_0012: ldnull 16: L_0013: ldftn bool PerfTest.MainPage::<LINQProgramming>b__4(int32) 17: L_0019: newobj instance void [System.Core]System.Func`2<int32, bool>::.ctor(object, native int) 18: L_001e: stsfld class [System.Core]System.Func`2<int32, bool> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate6 19: L_0023: br.s L_0025 20: L_0025: ldsfld class [System.Core]System.Func`2<int32, bool> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate6 21: L_002a: call class [mscorlib]System.Collections.Generic.IEnumerable`1<!!0> [System.Core]System.Linq.Enumerable::Where<int32>(class [mscorlib]System.Collections.Generic.IEnumerable`1<!!0>, class [System.Core]System.Func`2<!!0, bool>) 22: L_002f: ldsfld class [System.Core]System.Func`2<int32, int32> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate7 23: L_0034: brtrue.s L_0049 24: L_0036: ldnull 25: L_0037: ldftn int32 PerfTest.MainPage::<LINQProgramming>b__5(int32) 26: L_003d: newobj instance void [System.Core]System.Func`2<int32, int32>::.ctor(object, native int) 27: L_0042: stsfld class [System.Core]System.Func`2<int32, int32> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate7 28: L_0047: br.s L_0049 29: L_0049: ldsfld class [System.Core]System.Func`2<int32, int32> PerfTest.MainPage::CS$<>9__CachedAnonymousMethodDelegate7 30: L_004e: call class [mscorlib]System.Collections.Generic.IEnumerable`1<!!1> [System.Core]System.Linq.Enumerable::Select<int32, int32>(class [mscorlib]System.Collections.Generic.IEnumerable`1<!!0>, class [System.Core]System.Func`2<!!0, !!1>) 31: L_0053: stloc.1 32: L_0054: ldarg.0 33: L_0055: ldfld class [System.Windows]System.Windows.Controls.ListBox PerfTest.MainPage::LB2 34: L_005a: ldloc.1 35: L_005b: callvirt instance void [System.Windows]System.Windows.Controls.ItemsControl::set_ItemsSource(class [mscorlib]System.Collections.IEnumerable) 36: L_0060: nop 37: L_0061: ret 38: } Again, not surprising here but a good indicator that you should consider using LINQ where possible. In fact if you have ReSharper installed you’ll see a squiggly (technical term) in the imperative code that says “Hey Dude, I can convert this to LINQ if you want to be c00L!” (or something like that, it’s the 2010 geek version of Clippy). What about the fluent version? As Jon correctly pointed out in the comments, when you compare the IL for the LINQ code and the IL for the fluent code it’s the same. LINQ and the fluent interface are just syntactical sugar so you decide what you’re most comfortable with. At the end of the day they’re both the same. Now onto the numbers. Again I expected the imperative version to be better performing than the LINQ version (before I saw the IL that was generated). Call it womanly instinct. A gut feel. Whatever. Some of the numbers are interesting though. For Jesse’s example of 50 items, the numbers were interesting. The imperative sample clocked in at 7ms while the LINQ version completed in 4. As the number of items went up, the elapsed time didn’t necessarily climb exponentially. At 500 items they were pretty much the same and the results were similar up to about 50,000 items. After that I tried 500,000 items where the gap widened but not by much (2.2 seconds for imperative, 2.3 for LINQ). It wasn’t until I tried 5,000,000 items where things were noticeable. Imperative filled the list in 20 seconds while LINQ took 8 seconds longer (although personally I wouldn’t suggest you put 5 million items in a list unless you want your users showing up at your door with torches and pitchforks). Here’s the table with the full results. Method/Items 50 500 5,000 50,000 500,000 5,000,000 Imperative 7ms 7ms 38ms 223ms 2230ms 20974ms LINQ/Fluent 4ms 6ms 41ms 240ms 2310ms 28731ms Like I said, at the end of the day it’s not a huge difference and you really don’t want your users waiting around for 30 seconds on a mobile device filling lists. In fact if Windows Phone 7 detects you’re taking more than 10 seconds to do any one thing, it considers the app hung and shuts it down. The results here are for Windows Phone 7 but frankly they're the same for desktop and web apps so feel free to apply it generally. From a programming perspective, choose what you like. Some LINQ statements can get pretty hairy so I usually fall back with my simple mind and write it imperatively. If you really want to impress your friends, write it old school then let ReSharper do the hard work for! Happy programming!

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  • The remote host closed the connection. The error code is 0x80070057

    - by Jalpesh P. Vadgama
    While creating a PDF or any file with asp.net pages I was getting following error. Exception Type:System.Web.HttpException The remote host closed the connection. The error code is 0x80072746. at System.Web.Hosting.ISAPIWorkerRequestInProcForIIS6.FlushCore(Byte[] status, Byte[] header, Int32 keepConnected, Int32 totalBodySize, Int32 numBodyFragments, IntPtr[] bodyFragments, Int32[] bodyFragmentLengths, Int32 doneWithSession, Int32 finalStatus, Boolean& async) at System.Web.Hosting.ISAPIWorkerRequest.FlushCachedResponse(Boolean isFinal) at System.Web.Hosting.ISAPIWorkerRequest.FlushResponse(Boolean finalFlush) at System.Web.HttpResponse.Flush(Boolean finalFlush) at System.Web.HttpResponse.Flush() at System.Web.UI.HttpResponseWrapper.System.Web.UI.IHttpResponse.Flush() at System.Web.UI.PageRequestManager.RenderFormCallback(HtmlTextWriter writer, Control containerControl) at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) at System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) at System.Web.UI.HtmlControls.HtmlForm.Render(HtmlTextWriter output) at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) at System.Web.UI.HtmlFormWrapper.System.Web.UI.IHtmlForm.RenderControl(HtmlTextWriter writer) at System.Web.UI.PageRequestManager.RenderPageCallback(HtmlTextWriter writer, Control pageControl) at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) at System.Web.UI.Page.Render(HtmlTextWriter writer) at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) at System.Web.UI.Control.RenderControl(HtmlTextWriter writer) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) Exception Type:System.Web.HttpException The remote host closed the connection. The error code is 0x80072746. at System.Web.Hosting.ISAPIWorkerRequestInProcForIIS6.FlushCore(Byte[] status, After searching and analyzing I have found that client was disconnected and still I am flushing the response which I am doing for creating PDF files from the stream. To fix this kind of error we can use Response.IsClientConnected property to check whether client is connected or not and then we can flush and end response from client. Here is the sample code to fix that problem. if (Response.IsClientConnected) { Response.Flush(); Response.End(); } That’s it Hope this will help you..Stay tuned for more.. Till that Happy Programming!! Technorati Tags: Exception,ASp.NET

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  • Banshee crashes consistently - is there a fix?

    - by user36334
    Since updating to ubuntu 11.10 I've had trouble with banshee. In particular when I run it I find that it crashes within an hour without fail. I get the following Unhandled Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object at Mono.Zeroconf.Providers.AvahiDBus.BrowseService.DisposeResolver () [0x00000] in <filename unknown>:0 at Mono.Zeroconf.Providers.AvahiDBus.BrowseService.Dispose () [0x00000] in <filename unknown>:0 at Mono.Zeroconf.Providers.AvahiDBus.ServiceBrowser.OnItemRemove (Int32 interface, Protocol protocol, System.String name, System.String type, System.String domain, LookupResultFlags flags) [0x00000] in <filename unknown>:0 at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&) at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 --- End of inner exception stack trace --- at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 at System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) [0x00000] in <filename unknown>:0 at System.Delegate.DynamicInvokeImpl (System.Object[] args) [0x00000] in <filename unknown>:0 at System.MulticastDelegate.DynamicInvokeImpl (System.Object[] args) [0x00000] in <filename unknown>:0 at System.Delegate.DynamicInvoke (System.Object[] args) [0x00000] in <filename unknown>:0 at NDesk.DBus.Connection.HandleSignal (NDesk.DBus.Message msg) [0x00000] in <filename unknown>:0 at NDesk.DBus.Connection.DispatchSignals () [0x00000] in <filename unknown>:0 at NDesk.DBus.Connection.Iterate () [0x00000] in <filename unknown>:0 at Mono.Zeroconf.Providers.AvahiDBus.DBusManager.IterateThread (System.Object o) [0x00000] in <filename unknown>:0 Does anyone else also have this problem?

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  • In an Entity-Component-System Engine, How do I deal with groups of dependent entities?

    - by John Daniels
    After going over a few game design patterns, I have settle with Entity-Component-System (ES System) for my game engine. I've reading articles (mainly T=Machine) and review some source code and I think I got enough to get started. There is just one basic idea I am struggling with. How do I deal with groups of entities that are dependent on each other? Let me use an example: Assume I am making a standard overhead shooter (think Jamestown) and I want to construct a "boss entity" with multiple distinct but connected parts. The break down might look like something like this: Ship body: Movement, Rendering Cannon: Position (locked relative to the Ship body), Tracking\Fire at hero, Taking Damage until disabled Core: Position (locked relative to the Ship body), Tracking\Fire at hero, Taking Damage until disabled, Disabling (er...destroying) all other entities in the ship group My goal would be something that would be identified (and manipulated) as a distinct game element without having to rewrite subsystem form the ground up every time I want to build a new aggregate Element. How do I implement this kind of design in ES System? Do I implement some kind of parent-child entity relationship (entities can have children)? This seems to contradict the methodology that Entities are just empty container and makes it feel more OOP. Do I implement them as separate entities, with some kind of connecting Component (BossComponent) and related system (BossSubSystem)? I can't help but think that this will be hard to implement since how components communicate seem to be a big bear trap. Do I implement them as one Entity, with a collection of components (ShipComponent, CannonComponents, CoreComponent)? This one seems to veer way of the ES System intent (components here seem too much like heavy weight entities), but I'm know to this so I figured I would put that out there. Do I implement them as something else I have mentioned? I know that this can be implemented very easily in OOP, but my choosing ES over OOP is one that I will stick with. If I need to break with pure ES theory to implement this design I will (not like I haven't had to compromise pure design before), but I would prefer to do that for performance reason rather than start with bad design. For extra credit, think of the same design but, each of the "boss entities" were actually connected to a larger "BigBoss entity" made of a main body, main core and 3 "Boss Entities". This would let me see a solution for at least 3 dimensions (grandparent-parent-child)...which should be more than enough for me. Links to articles or example code would be appreciated. Thanks for your time.

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  • How can I downgrade a system that accidentally had backports installed?

    - by Glyph
    I installed a fresh Ubuntu system. Somehow - possibly through my own error - the backports repository got enabled. Then I did several upgrades. I noticed that this happened when networking suddenly stopped working, "Network Settings" now has an "(alpha)" in the title bar, "System Settings" ? "Network" now displays an error dialog saying "The system network services are not compatible with this version". Now, I've disabled the backports repository, and I'd like to restore my system to its previously-functional state. My question is twofold: How do I determine which packages were installed from backports? Can I automatically re-install all those packages (and purge their configuration) to get back to a sensible state? If the answer to 2 is "no" I can probably manually purge some things and reinstall, but it would be nice to have it handled automatically. Update: It wasn't an update that broke the network; it was apt-get install indicator-network, which installed something called "connman" and removed network-manager and network-manager-gnome. Nevertheless I am leaving the question up, since I am still interested in how I can purge packages from a particular source after accidentally adding that source, and how I can determine which packages were installed from where.

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  • What is the structure of network managers system-connections files?

    - by Oyks Livede
    could anyone list the complete structure of the configuration files, which network manager stores for known networks in /etc/NetworkManager/system-connections for known networks? Sample (filename askUbuntu): [connection] id=askUbuntu uuid=81255b2e-bdf1-4bdb-b6f5-b94ef16550cd type=802-11-wireless [802-11-wireless] ssid=askUbuntu mode=infrastructure mac-address=00:08:CA:E6:76:D8 [ipv6] method=auto [ipv4] method=auto I would like to create some of them by my own using a script. However, before doing so I would like to know every possible option. Furthermore, this structure seems somehow to resemble the information you can get using the dbus for active connections. dbus-send --system --print-reply \ --dest=org.freedesktop.NetworkManager \ "$active_setting_path" \ # /org/freedesktop/NetworkManager/Settings/2 org.freedesktop.NetworkManager.Settings.Connection.GetSettings Will tell you: array [ dict entry( string "802-11-wireless" array [ dict entry( string "ssid" variant array of bytes "askUbuntu" ) dict entry( string "mode" variant string "infrastructure" ) dict entry( string "mac-address" variant array of bytes [ 00 08 ca e6 76 d8 ] ) dict entry( string "seen-bssids" variant array [ string "02:1A:11:F8:C5:64" string "02:1A:11:FD:1F:EA" ] ) ] ) dict entry( string "connection" array [ dict entry( string "id" variant string "askUbuntu" ) dict entry( string "uuid" variant string "81255b2e-bdf1-4bdb-b6f5-b94ef16550cd" ) dict entry( string "timestamp" variant uint64 1383146668 ) dict entry( string "type" variant string "802-11-wireless" ) ] ) dict entry( string "ipv4" array [ dict entry( string "addresses" variant array [ ] ) dict entry( string "dns" variant array [ ] ) dict entry( string "method" variant string "auto" ) dict entry( string "routes" variant array [ ] ) ] ) dict entry( string "ipv6" array [ dict entry( string "addresses" variant array [ ] ) dict entry( string "dns" variant array [ ] ) dict entry( string "method" variant string "auto" ) dict entry( string "routes" variant array [ ] ) ] ) ] I can create new setting files using the dbus (AddSettings() in /org/freedesktop/NetworkManager/Settings) passing this type of input, so explaining me this structure and telling me all possible options will also help. Afaik, this is a Dictionary{String, Dictionary{String, Variant}}. Will there be any difference creating config files directly or using the dbus?

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  • System Idle Process network traffic?-Updated

    - by Moab
    I was using NetBalancer and noticed network traffic on an unidentified service, but when I highlight it and then go to the lower center pane and click the parent process it says it is the System Idle process, it is showing incoming and outgoing traffic in the upper pane, anyone know why this Windows System Idle Process is talking on the network? Windows 7 HP 64bit . . . Edit, after blocking the traffic for that unidentified Service I checked my event viewer (Windows LogsSystem) and found 3 new events that were never recorded before and matched the time I blocked the traffic. So is this part of the Windows local DNS cache? Event ID 1014 DNS Client Events Name resolution for the name dns.msftncsi.com timed out after none of the configured DNS servers responded. dns.msftncsi.com Name resolution for the name wpad.home timed out after none of the configured DNS servers responded. wpad Name resolution for the name mscrl.microsoft.com timed out after none of the configured DNS servers responded. mscrl.microsoft.com . Then My Web Browser refused to work, I re-enabled the traffic and all returned to normal. .

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  • ~saas license manager

    - by Steven
    Hi all, We're developing a saas app, which is almost finished. Being in the final stages we're wondering how we are going to charge customers for using our app, how we will enforce they will not pass on their logins and so on. Does anyone know a ready-made solution? We do have a budget for this. rough criteria: - enforcing multiple payment/licensing options (trial - license with grace periods, on demand, pay per use, etc) - integration with payment providers - tracking/preventing unauthorised usage - payment/license plans adjustable on a per customer(group) basis

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  • IIS Manager IIS6 Rights Management on Windows Server 2003

    - by Chris
    We are using a dedicated hosting provider to host several of our public websites. There are two development teams/divisions within our company who each maintain public websites on these same servers. Is there a way through ACLs or some sort of rights management (e.g. individual logins) that I would only be able to see and maintain only my public sites and the other development team could only see and maintain their sites? Thanks! Chris

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  • NTbackup doesn't complete on system state

    - by Joe Majsterski
    I have a Windows 2003 server that is running a semi-custom backup task. The scheduled task calls NTbackup with a few switches depending on whether it is a full or incremental backup. Most of the time, the NTbackup completes fine, and the wrapper then appends the NTbackup log into its own log before adding a few final comments and completing. The problem I am having is that sometimes, NTbackup seems to just... blank out. It always completes backup of the C: and E: drives, but then it will start the system state and not add any more messages into the event log saying it completed that. And the NTbackup log is left empty, since it doesn't write anything to the log until all the backup tasks are complete. This is causing the wrapper to append no text into its own log. That causes problems for us because we read the information out of that log to determine whether backups are failing. The wrapper task also reports that it is completing normally in the event log. Anyone ever seen a case where system state doesn't complete consistently? To be clear, the server is not logging any error messages anywhere. It's just not seeming to complete or log anything.

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  • ILMerge - Unresolved assembly reference not allowed: System.Core

    - by Steve Michelotti
    ILMerge is a utility which allows you the merge multiple .NET assemblies into a single binary assembly more for convenient distribution. Recently we ran into problems when attempting to use ILMerge on a .NET 4 project. We received the error message: An exception occurred during merging: Unresolved assembly reference not allowed: System.Core.     at System.Compiler.Ir2md.GetAssemblyRefIndex(AssemblyNode assembly)     at System.Compiler.Ir2md.GetTypeRefIndex(TypeNode type)     at System.Compiler.Ir2md.VisitReferencedType(TypeNode type)     at System.Compiler.Ir2md.GetMemberRefIndex(Member m)     at System.Compiler.Ir2md.PopulateCustomAttributeTable()     at System.Compiler.Ir2md.SetupMetadataWriter(String debugSymbolsLocation)     at System.Compiler.Ir2md.WritePE(Module module, String debugSymbolsLocation, BinaryWriter writer)     at System.Compiler.Writer.WritePE(String location, Boolean writeDebugSymbols, Module module, Boolean delaySign, String keyFileName, String keyName)     at System.Compiler.Writer.WritePE(CompilerParameters compilerParameters, Module module)     at ILMerging.ILMerge.Merge()     at ILMerging.ILMerge.Main(String[] args) It turns out that this issue is caused by ILMerge.exe not being able to find the .NET 4 framework by default. The answer was ultimately found here. You either have to use the /lib option to point to your .NET 4 framework directory (e.g., “C:\Windows\Microsoft.NET\Framework\v4.0.30319” or “C:\Windows\Microsoft.NET\Framework64\v4.0.30319”) or just use an ILMerge.exe.config file that looks like this: 1: <configuration> 2: <startup useLegacyV2RuntimeActivationPolicy="true"> 3: <requiredRuntime safemode="true" imageVersion="v4.0.30319" version="v4.0.30319"/> 4: </startup> 5: </configuration> This was able to successfully resolve my issue.

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  • Why does the IIS_IUSRS user need read permission on the ApplicationHost.config file in my Exchange 2010 OWA environment?

    - by CrabbyAdmin
    Previously I was experiencing issues where users in my Exchange 2010 environment would periodically receive an error stating: The custom error module does not recognize this error. However, following the advice of a thread I read somewhere, I granted the computername\IIS_IUSRS user Read permissions on the ApplicationHost.config file in the OWA environment. After making this change, the problem has not yet resurfaced. However, I'm not satisfied to simply settle for the fix, I'd like to understand why it worked. So can somebody please tell me why does this user need read permissions on this file and why would that have resolved the issue?

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  • How to set root public folder permissions in Exchange 2010.

    - by DanieL
    I am currently running Exchange Server 2010 on Windows Server 2008 R2. I have a user that I would like to be able to create/delete public folders in the root public folder. How do I give this user permission to do this? So far I have tried adding the user to the Public Folder Management, Domain Admins, and Administrators groups, and running the following scripts in the powershell: Add-PublicFolderAdministrativePermission -Identity "\" -User "Username" -AccessRights AllExtendedRights -InheritanceType SelfAndChildren This appears to have done something, but the user still cannot create public folders in the root public folder. AddUsersToPFRecursive.ps1 -toppublicfolder \ -User "Username" -Permissions Owner This gives me an access denied error. Any ideas?

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