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  • WinForms/Console application on Mono, how to know it runs as root

    - by Lex Li-MSFT
    As we can execute such executables in two ways, such as "sudo mono test.exe", and "mono test.exe". Now I want to know how to detect whether this application is running as root inside the application itself. I tried to check user name like below and see whether they equal to "root", Thread.CurrentPrincipal.Identity.Name Process.GetCurrentProcess().StartInfo.UserName AppDomain.CurrentDomain.ApplicationIdentity.FullName The first two are empty strings always, while the third throws NullReferenceException. Please advise if this is doable on Mono 2.6.

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  • auto updating software on cloud.

    - by iamgopal
    I know wordpress,joomla,drupal etc ( most of php_mysql stack ) can auto detect update in software itself or/and plugin and either ask for user permission to update or auto update it. How to do similar thing on google app engine like cloud computing ? I am creating an open source software which is targeted towards non-computer people. who can not clone my code and update their application easily. what is the easier way to do this ?

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  • Deploying only changed portions of a war to Tomcat

    - by Marty Pitt
    I'm deploying my application to Tomcat, which currently involves uploading a ~40MB war file to a remote server. Often the changes within the war only affect jars and static content which account for maybe 2 - 3MB's. Is there some tooling I can integrate with my Ant script that can accurately detect the changes to the war and give me a smaller subset to upload?

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  • How can I programmatically tell if a caught IOException is because the file is being used by another

    - by Paul K
    When I open a file, I want to know if it is being used by another process so I can perform special handling; any other IOException I will bubble up. An IOException's Message property contains "The process cannot access the file 'foo' because it is being used by another process.", but this is unsuitable for programmatic detection. What is the safest, most robust way to detect a file being used by another process?

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  • How to clone only one of multiple nested elements

    - by eknown
    How do I find if the div I'm cloning has more than one of a child div with a certain class, and if so only clone one of them. Say the cloned div is .diseaseCon, and the child div(s) is .symptomCon, in the cloning action, how can I detect if there's more than one .symptomCon divs and only clone one if there are?

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  • Build error in Visual Studio application

    - by ame
    I have a solution that I am trying to build in Visual Studio which gives the following error. Project : error PRJ0019: A tool returned an error code from "Copy the executable to HAMR platform" The last few lines of the build log are as follows: Copy the executable to HAMR platform The system cannot find the path specified. Project : error PRJ0019: A tool returned an error code from "Copy the executable to HAMR platform" I understand that there may be a wrong path mentioned in the code but as there is no line number to the error I don't know how to detect the source of the problem

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  • white in the black [closed]

    - by gcc
    how can i detect white image surrounded by black image 000 000 000 000 000 255 255 255 000 000 255 255 255 000 000 255 255 255 000 000 000 000 000 000 000 and how can calculate length and widht of the square

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  • Programatically change cursor speed in windows

    - by Juan Manuel Formoso
    Since getting a satisfactory answer on SuperUser is very difficult, I want to rephrase this question and ask: Is there any way to programatically detect a mouse was plugged in the usb port, and change the cursor speed in windows (perhaps through an API)? I'd like to use C#, but I'm open to any language that can run on a windows 7 machine.

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  • WPF ListView GridViewColumn Double Click

    - by Kevin
    Hi, I have a WPF ListView that opens a certain window when double clicked on a certain item inside the list view, but I have a problem. When I double click the GridViewColumn, that also opens up a certain window. Is there a way to detect if the sender is a gridviewColumn or a listView item? Thanks

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  • Can I use feature detection to know if css hover works for this client?

    - by user366061
    I've got a website that provides labels when the user hovers over an image. You can see the example at: http://www.185vfx.com/ For touchscreens, I'd like to have those hints on by default (since hover isn't usually available). I'd prefer not to browser-sniff and try to maintain that list as new devices/versions arrive. Any reliable way to detect if a browser can respond to hover or otherwise know about a touchscreen user via javascript or css?

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  • XNA/C# Game Settings (Menu?)

    - by PCAddict
    It's my first time trying to make anything really interesting in C# and I was trying to make a simple form or game screen where the user could define a custom resolution/screen ratio etc. or to automatically detect the max screen size/ratio and output? its my first game, so I was wondering if it was possible or if there would be any major issues with such, rather than just setting it to 1366x768 (the resolution of all of my computers). Thanks in advance for any assistance.

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  • How to check if a integer is sum of given integers?

    - by p3trix
    Lets say I have a integer result and an array of integers, lets say [a,b,c] (not a fixed length). I need to detect if result=a*i +b*j + c*k, with i,j,k=0. I prefer a solution in C/C# if it is possible. PS The problem is from a reservation system, a trip can be sold if its durations is a combination of given durations. Thanks!

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  • Detecting that a MemberExpression has a value

    - by cs
    How do I detect if a MemberExpression has a value that needs to be compiled/evaluated? I have two separate member expression outputs, the first which has a value, and the second which doesn't. What is the best way to differentiate between the two? exp **{value(Microsoft.Connect.Api.Client.Tests.SearchQueryUnitTests+<>c__DisplayClass6).handle}** [System.Linq.Expressions.MemberExpression]: **{value(Microsoft.Connect.Api.Client.Tests.SearchQueryUnitTests+<>c__DisplayClass6).handle}** NodeType: MemberAccess Type: {Name = "String" FullName = "System.String"} vs exp {x.CreatedBy} [System.Linq.Expressions.MemberExpression]: {x.CreatedBy} NodeType: MemberAccess Type: {Name = "String" FullName = "System.String"}

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  • Wix Bootstrapper - difficulty detecting if software is already installed c++ redistributable, sql server ce 3.5 sp2

    - by gdeck
    I apologize if this is answered elsewhere. So far (thanks to a post from Rob Mensching), my code will detect .NET 4.0 if it's installed and it'll pass right over it. I'm not able to correctly detect Microsoft Visual C++ 2010 x86 Redistributable OR Microsoft SQL Server Compact 3.5 Service Pack 2. My code is below. I'm learning, so I would appreciate as much constructive criticism as possible. <!--Search for .NET 4.0--> <util:RegistrySearch Id="NETFRAMEWORK40" Root="HKLM" Key="SOFTWARE\Microsoft\Net Framework Setup\NDP\v4\Full" Value="Install" Variable="NETFRAMEWORK40" Result="value"/> <!--Search for Microsoft Visual C++ 2010 x86 Redistributable--> <util:RegistrySearch Id="SearchForCPP2010X86" Root="HKLM" Key="SOFTWARE\Microsoft\VisualStudio\10.0\VC\VCRedist\x86" Value="Install" Variable="CPP2010Redist" Result="exists"/> <!--Search for Microsoft SQL Server Compact 3.5 Service Pack 2--> <util:RegistrySearch Id="SearchForSQLSvrCE35SP2" Root="HKLM" Key="SOFTWARE\Microsoft\Microsoft SQL Server Compact Edition\v3.5\ENU" Value="Install" Variable="SQLSvrCE35SP2" Result="exists"/> <Chain> <!-- Install .Net 4 Full --> <PackageGroupRef Id="Net4Full"/> <!-- Install Microsoft Visual C++ 2010 x86 Redistributable --> <PackageGroupRef Id="MSVisCPP2010x86Redist"/> <!-- Install Microsoft SQL Server Compact 3.5 Service Pack 2 --> <PackageGroupRef Id="SQLExpressCE"/> </Chain> <!--Install .NET 4.0--> <PackageGroup Id="Net4Full"> <ExePackage Id="Net4Full" Name="Microsoft .NET Framework 4.0 Setup" Cache="no" Compressed="yes" PerMachine="yes" Permanent="yes" Vital="yes" SourceFile="BootstrapperLibrary\dotNetFx40_Full_setup.exe" DetectCondition="NETFRAMEWORK40"/> </PackageGroup> <!--Install Microsoft Visual C++ 2010 x86 Redistributable--> <PackageGroup Id="MSVisCPP2010x86Redist"> <ExePackage Id="MSVisCPP2010x86Redis" Name="Microsoft Visual C++ 2010 x86 Redistributable " Cache="no" Compressed="yes" PerMachine="yes" Permanent="yes" Vital="yes" SourceFile="BootstrapperLibrary\vcredist_x86.exe" DetectCondition="CPP2010Redist"/> </PackageGroup> <!--Install Microsoft SQL Server Compact 3.5 Service Pack 2--> <PackageGroup Id="SQLExpressCE"> <ExePackage Id="SQLExpressCE" Name="Microsoft SQL Server Compact 3.5 Service Pack 2 Setup" Cache="no" Compressed="yes" PerMachine="yes" Permanent="yes" Vital="yes" SourceFile="BootstrapperLibrary\SSCERuntime-ENU.exe"/> </PackageGroup>

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  • Why is changing displays slow?

    - by Josh Bronson
    I've had many laptops over the course of many years, and while many things have sped up, one thing remains as slow today as it was years ago: (dis)connecting an external display. What's taking it so long to detect the new display and update the pixel buffers? I use Macs primarily, but I think this is equally slow on other platforms.

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