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  • Macports sudo expands ~ to /var/root in python

    - by calavera
    This might be a bit dev-heavy for the site... but here goes. I installed the macports version of sudo. All is well, except for one thing. Using python 2.6 to expand ~ to the user's home directory results in a different output than the version of sudo that comes with Snow Leopard. For example consider the following python code: #expand_home_dir.py import os os.path.expanduser('~') Below are 3 different calls of the code listed above. The first call using sudo is using the Macports version because my $PATH begins with /opt/local/bin: robert$ python2.6 expand_home_dir.py /Users/robert robert$ sudo python2.6 expand_home_dir.py /var/root robert$ /usr/bin/sudo python2.6 expand_home_dir.py /Users/robert Any idea why this is happening?

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  • WPF NotifyIcon Help C#

    - by Sandeep Bansal
    Hi everyone. I'm having trouble with a NotifyIcon in WPF I currently have the following: notifyI = new NotifyIcon(); notifyI.Icon = new Icon("Power.ico"); notifyI.Text = "Shutdown Timer"; notifyI.Visible = true; notifyI.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(notifyI_MouseDoubleClick); The thing is the notifyI.Icon = new Icon("Power.ico") is keep throwing and exception. I can't seem to find a way to use the icon file I have in the resources, can anyone help. Thanks, I am using VS2010 and Blend 3.

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  • How to learn high-level Java web development concepts

    - by titaniumdecoy
    I have some experience writing web applications in Java for class projects. My first project used Servlets and my second, the Stripes framework. However, I feel that I am missing the greater picture of Java web development. I don't really understand the web.xml and context.xml files. I'm not sure what constitutes a Java EE application as opposed to a generic Java web application. I can't figure out how a bean is different from an ordinary Java class (POJO?) and how that differs from an Enterprise Java Bean (EJB). These are just the first few questions I could think of, but there are many more. What is a good way to learn how Java web applications function from the top down rather than simply how to develop an application with a specific framework? (Is there a book for this sort of thing?) Ultimately, I would like to understand Java web applications well enough to write my own framework.

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  • Trying to INstall PHP on windows 7 ultimate with IIS6

    - by Jack
    I am trying to install php on my windows 7 machine. I have installed IIS 6.x and I have also installed php. I used this tutorial http://blogs.iis.net/bills/archive/2006/09/19/How-to-install-PHP-on-IIS7-_2800_RC1_2900_.aspx The only thing I didnt understand is this part: 4) Install IIS7, making sure you install the ISAPI Extension component (for PHP-ISAPI - which is what I use) or the CGI component (if you prefer CGI) during IIS installation (ISAPI and CGI are not installed by default) Now when i go to localhost I get an error. HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid. 4: <handlers> 5: <add name="PHP" path="*.php" verb="*" modules="FastCgiModule" scriptProcessor="C:\web\php5\php-cgi.exe" resourceType="Unspecified" /> 6: </handlers> Also php pages do not work in IE, please help

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  • Virtual functions and polymorphism

    - by ritmbo
    Suppose I have this: class A { public: virtual int hello(A a); }; class B : public A { public: int hello(B b){ bla bla }; }; So, A it's an abstract class. 1)In the class B, I'm defining a method that its suppose overrides the A class. But the parameter it's slightly different. I'm not sure about this, is this correct? Maybe because of polymorphism, this is ok but its rather confusing. 2) If I do: A a = new B;, and then a.hello(lol); if "lol" it's not of type B, then it would give compile error?, and if it's of type A from another class C (class C : public A), what would happend? I'm confused about the overriding and virtual thing.. all examples I found work with methods without parameters. Any answer, link, or whatever it's appreciated. thanks pd: sorry for my english

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  • Ruby Iconv works with irb and ruby debugger but not in a unit test

    - by Mark B
    I'm running Ruby 1.8.7 with Rails 2.3.5 on Ubuntu 10.04 64-bit. I've written a method that should take a string like this, "École À la Découverte" and output a file-system name like this "ecole_a_la_decouverte": (Iconv.new('US-ASCII//TRANSLIT', 'utf-8').iconv "École À la Découverte").gsub(/[^\w\s-\—]/,'').gsub(/[^\w]|[_]/,' ').split.join('_').downcase When I test this line in my code, the test always fails saying that "cole_la_dcouverte" is unequal to "ecole_a_la_decouverte". The odd thing is that if I insert a debugger line and use the debugger console the test passes. As well, running this line manually in irb seems to work. Does anyone know what's going on and why this test is failing? My only thought is that including the debugger or irb somehow adds more support for UTF-8 but I'm at a loss to figure out where to go next. Thanks in advance!

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  • Gantt Chart online

    - by Luca
    I need to insert a horizontal bar chart in a web page. The thing I have to do is very similar to a Gantt Chart. I'd like to use a javascript library for the purpose. I tried jsgantt, but actually it is not very beautiful. I could evaluate also a server generation of the graph. In case my server side language is Python. It will be part of an internal project with no internet access, so Google Charts isn't an option.

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  • Equivalents to Z80 DJNZ instruction on other architectures?

    - by Justin Ethier
    First a little background. The z80 CPU has an instruction called DJNZ which can be used in a similar manner as a for loop. Basically DJNZ decrements the B register and jumps to a label if not zero. For example: ld b,96 ; erase all of the line disp_version_erase_loop: call _vputblank ; erase pixels at cursor (uses b reg) djnz disp_version_erase_loop ; loop Of course you can do the same thing using regular comparison and jump instructions, but often it is handy to use the single instruction. With that out of the way, my question is, do other CPU architectures include a similar control instruction?

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  • How significant is the bazaar performance factor?

    - by memodda
    I hear all this stuff about bazaar being slower than git. I haven't used too much distributed version control yet, but in Bazaar vs. Git on the bazaar site, they say that most complaints about performance aren't true anymore. Have you found this to be true? Is performance pretty much on par now? I've heard that speed can affect workflow (people are more likely to do good thing X if X is fast). What specific cases does performance currently affect workflow in bazaar vs other systems (especially git), and how? I'm just trying to get at why performance is of particular importance. Usually when I check something in or update it, I expect it to take a little while, but it doesn't matter. I commit/update when I have a second, so it doesn't interfere with my productivity. But then I haven't used DVCS yet, so maybe that has something to do with it?

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  • JavaFX MediaPlayer: problem with setting of mute and volume properties

    - by lady_disaster
    Hi, first of all sorry for my bad english, I'm Italian... :) I'm developing with JavaFX and I'm new of it... I've an instance of a MediaPlayer and I can play songs, but if I set the volume properties to 0 or to other values the volume doesn't change and the song plays at the maximum. If I set the mute properties to true it's the same thing!!! I think that the setting of volume and mute properties doesn't work! Have you found this problem? Do you know which is the solution? Where am I wrong? Please help me... Thanks in advance!!!!

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  • SSIS - Wizard vs manual vs programming

    - by alchemical
    I'd like to move 26 tables from one DB to another. I see I can do this in the SSIS Import and Export Wizard. I believe the other approach would be to select tools from the toolbar in Data Flow and then configure them all. When is it better to use the wizard and when is it best to create the package manually (with the visual tools) or programmatically? One thing I noticed with the Wizard is that it lets me select multiple tables at once, but I could not find a way to get back to that screen once the package is created, so that I could edit the various tables all in one place.

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  • UiElement from abstract class

    - by plotnick
    I placed a control into a grid. let's say the control is derived from public class 'ButBase' which is derived in its turn from System.Windows.Controls.Button. The code normally compiles and app works just fine. But there's something really annoying. When you try to switch to xaml-design tab it will say 'The document root element is not supported by the visual designer', which is normal and I'm totally okay with that, but the thing is, that all the xaml code is underlined and VS2010 says: 'Cannot create an instance of ButBase' although still normally compiles and able to run. I've tried the same code in VS2008, it said that needs to see a public parameterless constructor in the ButBase, and even after I put one it showed the same error. What do I miss here?

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  • PresentModalViewController problem.

    - by james.ingham
    I have a new view controller on the iPhone which I call using the following line of code: [self presentModalViewController:controller animated:NO]; This works great if animation is on, but I am looking to have an instant switch. The problem is when I set animation to NO, the whole view shifts 20px to the right (it is always in landscape mode) as if there is a status bar but in portrait mode!? In this example the yellow space is the new view controller. I've tried this in a new project and the same thing happens. It may be a bug but does anyone have a fix? Thanks

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  • Java Concurrency: CAS vs Locking

    - by Hugo Walker
    Im currently reading the Book Java Concurrency in Practice. In the Chapter 15 they are speaking about the Nonblocking algorithms and the compare-and-swap (CAS) Method. It is written that the CAS perform much better than the Locking Methods. I want to ask the people which already worked with both of this concepts and would like to hear when you are preferring which of these concept? Is it really so much faster? Personally for me the usage of Locks is much clearer and easier to understand and maybe even better to maintain. (Please correct me if I am wrong). Should we really focus creating our concurrent code related on CAS than Locks to get a better performance boost or is sustainability a higher thing? I know there is maybe not a strict rule, when to use what. But I just would like to hear some opinions, experiences with the new concept of CAS.

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  • ASP.NET MVC Response Filter + OutputCache Attribute

    - by Shane Andrade
    I'm not sure if this is an ASP.NET MVC specific thing or ASP.NET in general but here's what's happening. I have an action filter that removes whitespace by the use of a response filter: public class StripWhitespaceAttribute : ActionFilterAttribute { public StripWhitespaceAttribute () { } public override void OnResultExecuted(ResultExecutedContext filterContext) { base.OnResultExecuted(filterContext); filterContext.HttpContext.Response.Filter = new WhitespaceFilter(filterContext.HttpContext.Response.Filter); } } When used in conjunction with the OutputCache attribute, my calls to Response.WriteSubstitution for "donut hole caching" do not work. The first and second time the page loads the callback passed to WriteSubstitution get called, after that they are not called anymore until the output cache expires. I've noticed this with not just this particular filter but any filter used on Response.Filter... am I missing something? I also forgot to mention I've tried this without the use of an MVC action filter attribute by attaching to the PostReleaseRequestState event in the global.asax and setting the Response.Filter value there... but still no luck.

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  • How do I get the intellisense in FoxPro 8 to work with .net COM objects?

    - by IsaacB
    Hi, I'm at my wit's end with this. What I'm doing is making a C# dll file that needs to have some methods exposed to FoxPro 8. This guy here http://www.west-wind.com/presentations/VfpDotNetInterop/DotNetFromVFP.asp says that you can put [ClassInterface(ClassInterfaceType.AutoDual)] in front of the (C# in my case) class, and then intellisense in Foxpro magically works. I'm accessing the COM object fine in FoxPro, but unfortunately the intellisense doesn't work, and it's annoying me. Is there some other step I'm missing to this? Is there some registry entry to look for to confirm that the methods are exposed properly (for intellisense to work)? Are there other steps in Foxpro that I'm supposed to follow (I don't know a thing about FoxPro!) It might be a pretty obscure question these days, but someone on here must know the answer! Thanks

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  • Installing Loadrunner

    - by grouchomarx
    Well, it figures that Loadrunner is not easy to install. Apprently, we need: ? .NET Framework 3.5 ? Microsoft Data Access Components (MDAC) 2.8 SP1 (or later) ? Microsoft Windows Installer 3.1 ? Microsoft Core XML Services (MSXML) 6.0 ? Microsoft Visual C++ 2005 Redistributable Package (x86) ? Microsoft Visual C++ 2008 Redistributable Package (x86) ? Web Services Enhancements (WSE) 2.0 SP3 for Microsoft .NET Redistributable Runtime MSI ? Web Services Enhancements (WSE) 3.0 for Microsoft .NET Redistributable Runtime MSI Once done, I'm still trying to figure out how to execute this thing. Has anyone gone through the same experience with it ?

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  • Microsoft Entrourage: rendering hyperlinks?

    - by rehanift
    When we send emails from my project, we send in both text/plain and text/html formats. All major clients (gmail, yahoo, hotmail, thunderbird, outlook) correctly display the simple HTML that we are using. However, Entourage renders all tags EXCEPT hyperlinks. What is confusing is that emails from other domains render hyperlinks correctly in Entourage. We have tried comparing the source / headers of our emails with others emails that seem to "work" and don't see any obvious differences. I googled around this issue and the only thing I could find what that Entourage doesn't allow users to insert hyperlinks when composing a message. Does anyone know what I might be doing wrong?

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  • Google Chrome Speed Tracer what does Request Timing and Response Timing actually measure?

    - by Bryce Thomas
    I'm testing out the Google Chrome Speed Tracer on a few common web pages and taking a look through the results. One thing I'm not sure I understand is what the "Request Timing" and "Response Timing" properties of resources are actually measuring. Initially I thought Request Timing must measure the time from a request for a resource being sent and when that request arrived at the server. However, I then wondered how the Speed Tracer would actually have any way of measuring this. Furthermore, the Response Timing that I'm getting for resources tends to be far less than the Request Timing (e.g. 500ms request, 1ms response), which is a little bit suss. So is anyone able to explain exactly what Request Timing and Response Timing are measuring?

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  • How to apply text shadow to UITextView?

    - by mystify
    Actually I love UILabel. They're sweet. Now I had to go to UITextView because UILabel is not aligning text vertically to the top. Damn. One thing I really need is a text shadow. UILabel has it. UITextView seems to not have it. But I guess that guy just uses the same underlying UIKit NSString additions?? Maybe someone already has a solution for that problem? What would I overwrite?

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  • Eclipse c++ with mingw comiler cant build boost regex example, can find .a library files

    - by Kim
    Hi, I'm trying to build the boost regex example in eclipse using mingw on vista. I built boost ok with mingw as there are library files XXXX.a. I could build/compile the first boost example that doesnt require any of the compiled boost libraries. When I compile the regex example I get a linker error saying it cant find the library file. I have tried various libray file names eg leave off the .a extension, leave off the lib prefix etc. Now the interesting thing is that if I leave off the library extension and rename the library file to XXX.lib it works and runs ok. So why cant it read the .a library file? It must be my setup somewhere but I dont know where or what to set. From what I read everyone is ok linking the .a file except me :( Thanks in advance, Kim

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  • Algorithm and data structure learning resources for dynamic programming

    - by Pranav
    Im learning dynamic programming now, and while I know the theory well, designing DP algorithms for new problems is still difficult. This is what i would really like now- A book or a website, which poses a problem which can be solved by dynamic programming. Also there is the solution with an explanation available, which i would like to see if i cant solve the problem even after butting my head at it for a few hours. Is there some resource that provides this sort of a thing for several categories of algorithms- like graph algorithms, dynamic programming, etc? P.S. I considered Topcoder, but the solutions there are not really appropriate for learning to implement efficient solutions.

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  • EMBED vs. OBJECT

    - by JayhawksFan93
    Which is the right/best tag to use in my HTML file when I want to display the Adobe PDF viewer? Right now I'm using the code below, but there are weird side effects (e.g. it seems to steal the starting focus that I've set to another INPUT text box; it doesn't seem to play real well with the jQueryUI Resizeable class; etc.) <embed src="abc.pdf" type="application/pdf" /> Could I even do the same thing with the OBJECT tag? Are there advantages/disadvantages to using one tag vs. the other?

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  • What way to use the CGContext to draw is suitable?

    - by Tattat
    I know that the CGContext cannot call it to draw directly, and it needs to fill the drawing logic in the drawInContext, and call the CGContext to draw using "setNeedsDisplay", so, I designed a cmd to execute, but it cause some problems... like this : http://stackoverflow.com/questions/2617827/why-i-cant-draw-in-a-loop-using-uiview-in-iphone I think the CGContext is very different from my previous programming experience....(I used HTML5 canvas, that allow me add more details, after I draw, so do the Java Swing) Actually, I want to know what is the suitable to implement these kind of thing in Apples' programmer mind. Thz.

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  • VS 2010 very slow

    - by kaze
    I have just upgraded to VS 2010, and I have performance problems which I did not have before (in VS 2008). The most annoying thing is that it freezes while I work in the text editor. Sometimes when it freezes I see that it is saving auto recovery information, but not always. Almost anything I do gives an unacceptable long delay, like saving, starting to debug, ending debug session, switching between design and code view, and doing WinForms designing. I have some parts of my home directory on a mapped network drive. I suspect that that might be a part of the problem. Is it possible to configure VS 2010 to use exclusively local disk for its "internal" work perhaps? Any hints would be appreciated! Has anyone else experienced these kinds of problems?

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