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  • Git/Mercurial (hg) opinion

    - by Richard
    First, let me say I'm not a professional programmer, but an engineer who had a need for it and had to learn. I was always working alone, so it was just me and my seven splitted personalities ... and we worked okey as a team :) Most of my stuff is done in C/Fortran/Matlab and so far I've been learning git to manage it all. However, although I've had no unsolvable problems with it, I've never been "that" happy with it ... for everything I cannot do, I hae to look up a book. And, for some time now I've been hearning a lot of good stuff about hg. Now, a coleague of mine will have to work with me on a project (I almost feel sorry for him) and he's started learning hg (says he likes it more), and I'm considering the switch myself. We work almost exclusivly on Windows platform (although I manage relatively ok using unix tools and things that come from that part of the world). So, I was wondering, in a described scenario, what problems could I expect with the switch. I heard that hg is rather more user friendly towards windows users, regarding the user interfaces. How does it handle repositories ? Does it create them the same way as git does (just one subdirectory in a working directory) and can I just copy the whole project directory (including git repo) and just carry them somewhere with no extra thinking ? (I really liked that when I was choosing over git/svn). Are there any good books on it that you can recommend (something like Pro Git, only for Hg). What are good ways to implement hg into Visual Studio/GVim for Windows, or into Windows Explorer so I can work relatively easily (I would like to avoid using the command line for everything regarding it, like in git shell). Is there something else I should be aware of (please, on this don't point me to other questions ... they just give me a ton of info, and I'm not sure what is it that I should take as important, and what to disregard). I'm trying to cut some time, since I cannot spend all that time relearning hg, like I did for git. I've also heard git is c project, while mercurial is python ... is there any noticeable difference in speed. git was pretty speedy ... will I encounter some waiting while working. Notice: All my projects are of let's say, middle size ... mostly numerical simulations ... 10-15000 lines (medium size?)

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  • Need to format character precedence in Strings.

    - by Christian
    I'm currently writing a Roman Numeral Converter for the fun of it. The problem works up to the aforementioned character precedence. Since Roman Numerals are not positional, i.e. III does not symbolize 1*whatever base^2 + 1*whatever base^1 + 1*whatever base^0. That of course makes it hard when somebody types in XIV and I need to make sure that the I is not added in this case, but rather subtracted. I'm not sure how to do this. What would be the best approach to tackle this? I have both the Roman Symbols and their respective decimal numbers stored in arrays: const char cRomanArray[] = "IVXLCDM"; const int romanArray[] = { 1, 5, 10, 50, 100, 500, 1000 }; so it wouldn't be too hard for me to brute-force the damn thing by simply checking the precedence within the array, i.e. if the symbol is smaller than the next symbol, i.e. in the exampe 'XIV' if 'I' is smaller than 'V', in which case it would be because I have ordered them in the array, then I could make it subtract the value instead of add. But this seems like a very ugly solution. Are there perhaps any better ones? I was thinking something along the lines of Regular Expressions maybe( forgive me if that sounds like a horrible idea, I haven't used RegExp yet, but it sounds like it could do what I need, and that's to determine the characters in a string.)

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  • why is the <img> alt attribute not always properly displayed

    - by Piero
    So I have this php script that output an html table with data about some files (like filename, filesize, etc...) I have this javascript function that displays the picture when you hover a tag belonging to the class "preview". For example, if a filename is: somePic.jpg, when you hover somePic.jpg in the table, the picture will appear next to your mouse. Now not all these files are pictures, some are .mp3, so of course when you hover them, the javascript cannot display the picture. To deal with this case, I added in the tag (generated by the javascript function), an alt attribute: alt='Preview not available for this type of content.' And here is my problem, sometimes it works, but sometimes it doesn't! Sometimes you start hovering .mp3 links, and the alt attribute is displayed, then you hover a picture, the picture is displayed, then you hover an .mp3 again, and the alt isn't displayed anymore, but the "broken image" image (the little red cross) is displayed instead... Sure I could parse the filenames and detect when it's an mp3 and then deal with the case, but I thought the alt attribute was suppose to achieve this... but it's buggy... Any idea? Does anyone already faced this problem?

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  • From Monorail to ASP.Net MVC

    - by Cheekysoft
    The last time I took on a non-trivial .Net/C# application I used Castle Monorail and, on the whole, enjoyed the experience. Early-access/preview releases of .Net MVC were not yet available. Many "Microsoft shops" will now find the "official" solution more appealing. Has anyone gone from Monorail to .Net MVC. How did you find the switch? What are the biggest differences, presently?

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  • iPhone SDK UI element preview

    - by Michael
    Looking for some catalog/gallery(not UICatalog, just images), where I can see preview of each UI element in iPhone SDK, along with corresponding class name(eg datetime picker, calendar, the black switch bar on bottom). This will give me rough idea on which UI elements I can use in my app and go read about corresponding class.

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  • How do I fork a maximum of 5 child processes of the parent at any one time?

    - by bstullkid
    I have the following code, which I'm trying to only allow a maximum of 5 children to run at a time, but I can't figure out how to decrement the child count when a child exits. struct { char *s1; char *s2; } s[] = { {"one", "oneB"}, {"two", "twoB"}, {"three", "thr4eeB"}, {"asdf", "3th43reeB"}, {"asdfasdf", "thr33eeB"}, {"asdfasdfasdf", "thdfdreeB"}, {"af3c3", "thrasdfeeB"}, {"fec33", "threfdeB"}, {NULL, NULL} }; int main(int argc, char *argv[]) { int i, im5, children = 0; int pid = fork(); for (i = 0; s[i].s2; i++) { im5 = 0; switch (pid) { case -1: { printf("Error\n"); exit(255); } case 0: { printf("%s -> %s\n", s[i].s1, s[i].s2); if (i==5) im5 = 1; printf("%d\n", im5); sleep(i); exit(1); } default: { // Here is where I need to sleep the parent until chilren < 5 // so where do i decrement children so that it gets modified in the parent process? while(children > 5) sleep(1); children++; pid = fork(); } } } return 1; }

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  • ContentTemplateSelector is only called one time showing always the same datatemplate

    - by msfanboy
    Hello, I have made a sample demo VS 2010 RC sample project, because in my production project I have the same error using MVVM. In my sample demo project I use only Code-behind without 3rd party dependencies so you can download the demo project here and run it for yourself: http://www.sendspace.com/file/mwx7wv Now to the problem: When I click the girls/boys button it should switch the datatemplate, not? What do I wrong?

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  • How to unit test this simple ASP.NET MVC controller

    - by Frank Schwieterman
    Lets say I have a simple controller for ASP.NET MVC I want to test. I want to test that a controller action (Foo, in this case) simply returns a link to another action (Bar, in this case). How would you test this? (either the first or second link) My implementation has the same link twice. One passes the url throw ViewData[]. This seems more testable to me, as I can check the ViewData collection returned from Foo(). Even this way though, I don't know how to validate the url itself without making dependencies on routing. The controller: public class TestController : Controller { public ActionResult Foo() { ViewData["Link2"] = Url.Action("Bar"); return View("Foo"); } public ActionResult Bar() { return View("Bar"); } } the "Foo" view: <%@ Page Title="" Language="C#" Inherits="System.Web.Mvc.ViewPage" MasterPageFile="~/Views/Shared/Site.Master"%> <asp:Content ContentPlaceHolderID="MainContent" runat="server"> <%= Html.ActionLink("link 1", "Bar") %> <a href="<%= ViewData["Link2"]%>">link 2</a> </asp:Content>

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  • How to keep my topmost window on top?

    - by Misko Mare
    I will first explain why I need it, because I anticipate that the first response will be "Why do you need it?". I want to detect when the mouse cursor is on an edge of the screen and I don't want to use hooks. Hence, I created one pixel wide TOPMOST invisible window. I am using C++ on Win XP, so when the window is created (CreateWindowEx(WS_EX_TOPMOST | WS_EX_TRANSPARENT ...) everything works fine. Unfortunately, if a user moves another topmost window, for example the taskbar over my window, I don't get mouse movements. I tried to solve this similarly to approaches suggested in: How To Keep an MDI Window Always on Top I tried to check for Z-order of my topmost window in WM_WINDOWPOSCHANGED first with case WM_WINDOWPOSCHANGED : WINDOWPOS* pWP = (WINDOWPOS*)lParam; yet pWP-hwnd points to my window and pWP-hwndInsertAfter is 0, which should mean that my window is on the top of the Z, even though it is covered with the taskbar. Then I tried: case WM_WINDOWPOSCHANGED : HWND topWndHndl = GetNextWindow(myHandle, GW_HWNDPREV) GetWindowText(topWndHndl, pszMem, cTxtLen + 1); and I'll always get that the "Default IME" window is on top of my window. Even if try to bring my window to the top with SetWindowPos() or BringWindowToTop (), "Default IME" stays on the top. I don't know what is "Default IME" and how to detect if the taskbar is on top of my window. So my question is: How to detect that my topmost window is not the top topmost window anymore and how to keep it on the top? P.S. I know that a "brute force" approach of periodically bringing my window to the top works, yet is ugly and could have some unwanted inference with the notification window for example. (Bringing my window to the top will hide the notification window.) Thank you on your time and suggestions!

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  • ISP Config 3 - squirrel login error & how to add an smtp server for sending mails

    - by A Prasetyo
    Hi, Case #1: I have ISPConfig3 running, sending email through telnet server.mydomain.com 25 are possible. Receiving email also possible. BUT!! problem occurs when I try to login to squirrel... I've been awaken for 2 days now and still couldn't figured out why logging in into squirrel always having an error: ERROR: Connection dropped by IMAP server. here is the /var/log/mail.log: Jun 3 00:23:27 server-01 imapd: Connection, ip=[::ffff:127.0.0.1] Jun 3 00:23:27 server-01 imapd: chdir /var/vmail/mydomain.com/info: Permission denied Jun 3 00:23:27 server-01 imapd: [email protected]: Permission denied I did chmod 777 & still doesn't work, only another message appeared Jun 3 00:24:28 server-01 imapd: Connection, ip=[::ffff:127.0.0.1] Jun 3 00:24:28 server-01 imapd: [email protected]: Account's mailbox directory is not owned by the correct uid or gid Try to do telnet to IMAP port telnet mydomain.com 143 Trying 63.105.102.48... Connected to mydomain.com. Escape character is '^]'. OK [CAPABILITY IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA IDLE ACL ACL2=UNION STARTTLS] Courier-IMAP ready. Copyright 1998-2008 Double Precision, Inc. See COPYING for distribution information. login [email protected] mypassword login NO Error in IMAP command received by server. and give no result... -_- I checked mysql.sock, I checked username and password in mysql db, everything is correct.. anyone can help? PLEASE?! Case #2: Does anyone know how to set or to view SMTP settings in ISPConfig 3? thank you..

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  • C# naming convention for enum and matching property

    - by Serge - appTranslator
    Hi All, I often find myself implementing a class maintaining some kind of own status property as an enum: I have a Status enum and ONE Status property of Status type. How should I solve this name conflict? public class Car { public enum Status { Off, Starting, Moving }; Status status = Status.Off; public Status Status // <===== Won't compile ===== { get { return status; } set { status = value; DoSomething(); } } } If the Status enum were common to different types, I'd put it outside the class and the problem would be solved. But Status applies to Car only hence it doesn't make sense to declare the enum outside the class. What naming convention do you use in this case? NB: This question was partially debated in comments of an answer of this question. Since it wasn't the main question, it didn't get much visibility. EDIT: Filip Ekberg suggests an IMO excellent workaround for the specific case of 'Status'. Yet I'd be interesting to read about solutions where the name of the enum/property is different, as in Michael Prewecki's answer. EDIT2 (May 2010): My favorite solution is to pluralize the enum type name, as suggested by Chris S. According to MS guidelines, this should be used for flag enums only. But I've come to like it more and more. I now use it for regular enums as well.

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  • HipHop instead of XCache?

    - by Marco
    Would it make sense to switch to HipHop to replace XCache? It seems illogical to run both simultaneously. Is HipHop ready for primetime or should we wait several months before implementing it?

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  • Pull dynamic string out of embedded RESX

    - by AC
    I have a RESX resource file that I can retrieve the values out of using the strongly typed properties and assign to values in my Silverlight 3 app. However at runtime I need to generate the lookup key based on some values to avoid a ton of if/switch statements. I'm trying to use the ResourceManager, but it doesn't like .resx files. Searched far and wide... is this just not possible in SL3? Does anyone have another suggestion?

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  • No filenames in pdb program database.

    - by Nick
    I have a .pdb program database from a C++ application compiled in debug on Windows VS2005. I use the DIA SDK to find function names but I can't seem to retrieve the filenames for the symbols. Is there some switch I need to turn on? Does this work?!

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  • How to mimic built-in .NET serialization idioms?

    - by Matt Enright
    I have a library (written in C#) for which I need to read/write representations of my objects to disk (or to any Stream) in a particular binary format (to ensure compatibility with C/Java library implementations). The format requires a fair amount of bit-packing and some DEFLATE'd bytestreams. I would like my library, however, to be as idiomatic .NET as possible, however, and so would like to provide an API as close as possible to the normal binary serialization process. I'm aware of the ability to implement the IFormatter interface, but being that I really am unable to reuse any part of the built-in serialization stack, is it worth doing this, or will it just bring unnecessary overhead. In other words: Implement IFormatter and co. OR Just provide "Serialize"/"Deserialize" methods that act on a Stream? A good point brought up below about needing the serialization semantics for any case involving Remoting. In a case where using MarshalByRef objects is feasible, I'm pretty sure that this won't be an issue, so leaving that aside are there any benefits or drawbacks to using the ISerializable/IFormatter versus a custom stack (or, is my understanding remoting incorrectly)?

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  • jQuery Accordion adding non-expanding anchor

    - by Daniel
    I would like to add an anchor that would be styled to look like the other items(with some minor changes), but instead of animating, would just go to the set link. is there a way of doing this, or should I just switch to this accordion menu and redo the css to include the images?

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  • handling java exception

    - by Noona
    This questions is related to java exception, why are there some cases that when an exception thrown the program exits even though the exception was caught and there was no exit() statement? my code looks something like this void bindProxySocket(DefaultHttpClientConnection proxyConnection, String hostName, HttpParams params) { if (!proxyConnection.isOpen()) { Socket socket = null; try { socket = new Socket(hostName, 80); } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } try { proxyConnection.bind(socket, params); } catch(IOException e) { System.err.println ("couldn't bind socket"); e.printStackTrace(); } } } and then I call this method like this: bindProxySocket(proxyConn, hostName, params1); but, the program exits, although I want to handle the exception by doing something else, can it be because I didn't enclose the method call within a try catch clause? what happens if I catch the exception again even though it's already in the method? and what should I do if i want to clean resources only if an exception occurs and otherwise I want to continue with the program? I am guessing in this case I have to include the whole piece of code until I can clean the resources with in a try statement or can I do it in the handle exception statement? some of these questions are on this specific case, but I would like to get a thorough answer to all my questions for future reference. thanks

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  • Show image with link based on first directory with Javascript

    - by Nestorete
    Hi, i need some help please, i want to show an image on my Page depending of the first directory of the URL. Example: In Any of this URLs will show the image1.jpg www.mysite.com/audio/amplifiers/400wats.html www.mysite.com/audio/ www.mysite.com/audio/amplifiers/ In any of this others will show the image2.jpg www.mysite.com/video/spots/40wats.html www.mysite.com/video/amplifiers/400wats.html www.mysite.com/video/lighting/laser.html www.mysite.com/video/laser/ At the moment i can show the image only if the url is only the first directory, bu no in the internal directory or documents. This is the script that i'm using right now: <script type="text/javascript"> switch (location.pathname) { case "/audio/": document.write("From Web<BR>") break case "/video/": document.write('<A HREF="slides.htm" target="_blank"><IMG SRC="/adman/banners/joinvip.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break default: document.write('<A HREF="http://www.apple.com" target="_blank"><IMG SRC="http://www.amd.com/us-en/assets/content_type/DownloadableAssets/NEW_PIB_728x90.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break } </script> Thank you

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  • Show image with link based on first directory with Javascript

    - by Nestorete
    Hi, i need some help please, i want to show an image on my Page depending of the first directory of the URL. Example: In Any of this URLs will show the image1.jpg www.mysite.com/audio/amplifiers/400wats.html www.mysite.com/audio/ www.mysite.com/audio/amplifiers/ In any of this others will show the image2.jpg www.mysite.com/video/spots/40wats.html www.mysite.com/video/amplifiers/400wats.html www.mysite.com/video/lighting/laser.html www.mysite.com/video/laser/ At the moment i can show the image only if the url is only the first directory, bu no in the internal directory or documents. This is the script that i'm using right now: <script type="text/javascript"> switch (location.pathname) { case "/audio/": document.write("From Web<BR>") break case "/video/": document.write('<A HREF="slides.htm" target="_blank"><IMG SRC="/adman/banners/joinvip.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break default: document.write('<A HREF="http://www.apple.com" target="_blank"><IMG SRC="http://www.amd.com/us-en/assets/content_type/DownloadableAssets/NEW_PIB_728x90.gif" WIDTH=728 HEIGHT=90 BORDER=0></A>') break } </script> Thank you

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  • Conditionally styling @font-face

    - by Gnee
    I'm using @font-face for some headers. The replaced typeface is different in dimension and overall character. When the switch happens, the old typeface's rules don't look so good. Other than writing a conditional Javascript script, is there a way to have a set of CSS rules for @font-face fonts (if the browsers supports it) and CSS rules for the unreplaced default fonts?

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  • how can i get user notifications with the new Graph API

    - by user63898
    hello all im making switch to the new Graph API , and i try to replace all the rest api with the new Graph api reading the docs i saw i have some kind of real time function ( im not sure its related to getting the user notifications ) that suppose to return me callback . but im my case i like to invoke simple http command and get the user notification like ( like the old notification api's ) how can i do it now ? Thanks

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  • error handler isn't called when file is uploaded via ajax using jQuery form plugin

    - by scompt.com
    Here's my test case. If the form is posted, a 500 error response is sent. If not, the form is sent. If the file input tag is commented out, the error handler is called. If the file input tag is present, the error handler isn't called. I think this might have something to do with the fact that jQuery needs to use an iframe to handle the upload and iframes don't seem to respond to the error handler. Edit: If I add iframe: true to the options passed to ajaxSubmit to force the use of an iframe, the non-file-upload case stops working also, so it definitely has to do with the iframe. Edit2: I'm using the jQuery Form Plugin. <?php if($_SERVER['REQUEST_METHOD'] == 'POST') { header('HTTP/1.1 500 Internal Server Error'); die; } else {?> <html><head> <script type='text/javascript' src='http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js?ver=2.9.2'></script> <script type='text/javascript' src='http://github.com/malsup/form/raw/master/jquery.form.js?v2.43'></script> <script type="text/javascript"> jQuery(document).ready(function() { jQuery('a').click(function() {jQuery('form').ajaxSubmit({error: function(){alert('error handler called');}})}); }); </script> </head><body> <form method="POST"> <input type="text" name="mytext" /> <input type="file" name="myfile" /><!-- comment this element out --> <input type="hidden" name="blah" value="blah" /> <a>submit</a> </form> </body></html> <?php } Is there any way to get the error handler to be called in both situations?

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