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  • 'Must Override a Superclass Method' Errors after importing a project into Eclipse

    - by Tim H
    Anytime I have to re-import my projects into Eclipse (if I reinstalled Eclipse, or changed the location of the projects), almost all of my overridden methods are not formatted correctly, causing the error 'The method ?????????? must override a superclass method'. It may be noteworthy to mention this is with Android projects - for whatever reason, the method argument values are not always populated, so I have to manually populate them myself. For instance: list.setOnCreateContextMenuListener(new OnCreateContextMenuListener() { public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { //These arguments have their correct names } }); will be initially populated like this: list.setOnCreateContextMenuListener(new OnCreateContextMenuListener() { public void onCreateContextMenu(ContextMenu arg1, View arg2, ContextMenuInfo arg3) { //This methods arguments were not automatically provided } }); The odd thing is, if I remove my code, and have Eclipse automatically recreate the method, it uses the same argument names I already had, so I don't really know where the problem is, other then it auto-formatting the method for me. This becomes quite a pain having to manually recreate ALL my overridden methods by hand. If anyone can explain why this happens or how to fix it .. I would be very happy. Maybe it is due to the way I am formatting the methods, which are inside an argument of another method?

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  • Extra fulltext ordering criteria beyond default relevance

    - by Jeremy Warne
    I'm implementing an ingredient text search, for adding ingredients to a recipe. I've currently got a full text index on the ingredient name, which is stored in a single text field, like so: "Sauce, tomato, lite, Heinz" I've found that because there are a lot of ingredients with very similar names in the database, simply sorting by relevance doesn't work that well a lot of the time. So, I've found myself sorting by a bunch of my own rules of thumb, which probably duplicates a lot of the full-text search algorithm which spits out a numerical relevance. For instance (abridged): ORDER BY [ingredient name is exactly search term], [ingredient name starts with search term], [ingredient name starts with any word from the search and contains all search terms in some order], [ingredient name contains all search terms in some order], ...and so on. Each of these is defined in the SELECT specification as an expression returning either 1 or 0, and so I order by those in sequential order. I would love to hear suggestions for: A better way to define complicated order-by criteria in one place, say perhaps in a view or stored procedure that you can pass just the search term to and get back a set of results without having to worry about how they're ordered? A better tool for this than MySQL's fulltext engine -- perhaps if I was using Sphinx or something [which I've heard of but not used before], would I find some sort of complicated config option designed to solve problems like this? Some google search terms which might turn up discussion on how to order text items within a specific domain like this? I haven't found much that's of use. Thanks for reading!

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  • jquery slide toggle divs without creating multiple classes, functions, etc... ui accordion

    - by SPE
    Greetings, based on the jquery ui accordion I'm using, I have added a slide toggle to my accordion list items. so what happens is I click on an li and a div slides down underneath to reveal more content. The issue I'm having is that I find myself having to create multiple id's to reference the slidetoggle. example of the div id css: #panel, #panel2, #panel3, #panel4, etc.... the Is there a way I can use the slide toggle without having to adding another number so it will slide? I have 50 list items I'm using: Here's a sample of the js (as you can see where I'm going with this): $(".btn-slide").click(function(){ $("#panel").slideToggle("slow"); $(this).toggleClass("active"); return false; }); $(".btn-slide2").click(function(){ $("#panel2").slideToggle("slow"); $(this).toggleClass("active"); return false; }); sample html: <li><div class="slide"><a href="#" class="btn-slide">One</a></div><div id="panel"></div></li> <li><div class="slide"><a href="#" class="btn-slide2">Two</a></div><div id="panel2"></div></li>

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  • How to make dynamically generated .net service client read configuration from another location than

    - by Bryan
    Hi, I've currently written code to use the ServiceContractGenerator to generate web service client code based on a wsdl, and then compile it into an assembly in memory using the code dom. I'm then using reflection to set up the binding, endpoint, service values/types, and then ultimately invoke the web service method based on xml configuration that can be altered at run time. This all currently works fine. However, the problem I'm currently running into, is that I'm hitting several exotic web services that require lots of custom binding/security settings. This is forcing me to add more and more configuration into my custom xml configurations, as well as the corresponding updates to my code to interpret and set those binding/security settings in code. Ultimately, this makes adding these 'exotic' services slower, and I can see myself eventually reimplementing the 'system.serviceModel' section of the web or app.config file, which is never a good thing. My question is, and this is where my lack of experience .net and C# shows, is there a way to define the configuration normally found in the web.config or app.config 'system.serviceModel' section somewhere else, and at run time supply this to configuration to the web service client? Is there a way to attach an app.config directly to an assembly as a resource or any other way to supply this configuration to the client? Basically, I'd like attach an app.config only containing a 'system.serviceModel' to the assembly containing a web service client so that it can use its configuration. This way I wouldn't need to handle every configuration under the sun, I could let .net do it for me. Fyi, it's not an option for me to put the configuration for every service in the app.config for the running application. Any help would be greatly appreciated. Thanks in advance! Bryan

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  • In need of help with setting up the open source library JFreeChart

    - by ssbellows
    I am having trouble with setting up the open source library JFreeChart for creating charts using Java. This is the process I have followed so far in trying to set it up: I downloaded the latest version from their download page http://sourceforge.net/projects/jfreechart/files/. I then unpacked the jfreechart-1.0.13.zip in the directory C:\JFreeChart\jfreechart-1.0.13\ on my system drive. In the unpacked directory there is a folder entitled "lib" which contains the packaged .jar files specified as necessary to use JFreeChart. I added the following directory to my classpath: C:\JFreeChart\jfreechart-1.0.13\lib\ I then created a simple program and added the line "import org.jfree.chart.*;" to see if it would compile with a package imported from JFreeChart. I navigated to the folder in which my sample program was contained and compiled with the following command: "javac -classpath C:\ Program.java" I was given the following error: "package org.jfree.chart does not exist" Could someone please give me some input as to what I have done incorrectly in this setup process? This is the first time I've tried using an open source library, so I don't have any prior experience to go on myself. Thank you very much in advance.

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  • Advice for Windows XP Scripting, WSH versus PowerShell

    - by Greg Graham
    After much experience scripting in the Unix/Linux open-source world, using languages such as Bourne Shell, Perl, Python, and Ruby, I now find myself needing to do some Windows XP admin scripting. It appears that the legacy environment is Windows Script Host (WSH), which can use various scripting languages, but the primary language is VBScript, and is based on COM objects. However, the future appears to be Windows PowerShell, which is based on .NET. I haven't done Basic since Applesoft in the 70s, so I'm not keen on learning VBScript, although I did learn enough to write a small script to mount network drives. If I'm going to spend time to really learn this, I'm leaning towards investing my time in the .NET PowerShell environment, if it truly is the future. I did some C# Windows Forms programming a couple of years ago, so I have some exposure to .NET, which also makes PowerShell attractive. Understanding that no one has a crystal ball to predict the future of Microsoft, I would like hear from anyone who is a PowerShell user and thinks it's worthwhile, or if there is anyone that knows of serious drawbacks to PowerShell, and recommends that I stay away from it. Update: I ended up using WSH/VBScript for a particular script that I am installing as a startup script on user's Windows XP workstations. All I have to do is copy it to their Startup folder, and I'm done. However, I only learned enough WSH to accomplish this one job. I am glad to see that PowerShell is the future, and when I have more complicated scripting tasks, I'll to turn PowerShell.

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  • HTTP requests and Apache modules: Creative attack vectors

    - by pinkgothic
    Slightly unorthodox question here: I'm currently trying to break an Apache with a handful of custom modules. What spawned the testing is that Apache internally forwards requests that it considers too large (e.g. 1 MB trash) to modules hooked in appropriately, forcing them to deal with the garbage data - and lack of handling in the custom modules caused Apache in its entirety to go up in flames. Ouch, ouch, ouch. That particular issue was fortunately fixed, but the question's arisen whether or not there may be other similar vulnerabilities. Right now I have a tool at my disposal that lets me send a raw HTTP request to the server (or rather, raw data through an established TCP connection that could be interpreted as an HTTP request if it followed the form of one, e.g. "GET ...") and I'm trying to come up with other ideas. (TCP-level attacks like Slowloris and Nkiller2 are not my focus at the moment.) Does anyone have a few nice ideas how to confuse the server and/or its modules to the point of self-immolation? Broken UTF-8? (Though I doubt Apache cares about encoding - I imagine it just juggles raw bytes.) Stuff that is only barely too long, followed by a 0-byte, followed by junk? et cetera I don't consider myself a very good tester (I'm doing this by necessity and lack of manpower; I unfortunately don't even have a more than basic grasp of Apache internals that would help me along), which is why I'm hoping for an insightful response or two or three. Maybe some of you have done some similar testing for your own projects? (If stackoverflow is not the right place for this question, I apologise. Not sure where else to put it.)

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  • Java equivalent to VS solution file

    - by Chris
    I'm a C# guy trying to learn Java. I understand the syntax and the basic architecture of the Java platform, and have no problem doing smaller projects myself, but I'd really like to be able to download some open source projects to learn from the work of others. However, I'm running into a stumbling block that I can't seem to find any information on. When I download an open source .NET project, I can open the .sln file with visual studio and everything just loads. Sure, there's occasionally a missing reference or something, but there's really very little configuration required to get things going. I'm not sensing the same ease of use with Java. I'm using eclipse at the moment, and it feels like for every project I have to create a brand new Eclipse project using "create from existing source", and almost nothing compiles properly without significant reconfiguration. In the case of web projects, it's even worse, because Eclipse doesn't appear to support creating a web project from existing source. I have to create a standard Java project from source, then then apparently modify the project file to include the bindings for the web toolkit stuff to work properly. Assuming I want to be able to contribute to a project later on, I shouldn't have to be making such drastic changes to the file structure to get my IDE to a workable state. What am I missing?

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  • Replacing XML reserved characters in SQL Server 2005

    - by Barn
    I'm working on a system that takes relational data from a sql server DB and uses SSIS to produce an XML extract using sql server 2005's 'FOR XML PATH' command and a schema. The problem lies with replacing the XML reserved characters. 'FOR XML PATH' is only replacing <, , and &, not ' and ", so I need a way of replacing these myself. I've tried pre-processing the fields in the database to replace XML reserved characters with their entitised equivalents (e.g. & becomes &amp;), but once these fields are used to construct XML using FOR XML the leading & is replaced with &amp;, so I end up with &amp;amp; where I should have &amp;. What I've tried so far is altering the element's contents after the XML has been constructed using XQuery inside SQL server like so: DECLARE @data VARCHAR(MAX) SET @data = CONVERT(VARCHAR(MAX), [my xml column].query(' data(/root/node_i_want)') SELECT @data = [function to replace quotes etc](@data) SET [my xml column].modify('replace value of (/root/node_i_want)[1] with sql:variable("@data")') but I get the same problem. Essentially, is there something wrong I'm doing with the above, or a way to tell FOR XML to entitise other characters, or something like that? Basically anything short of having to write a program to change the XML after it has been assembled in large batches and saved to files!

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  • Java RMI InitialContext: Equivalent of LocateRegistry.createRegistry(int) ?

    - by bguiz
    I am trying to some pretty basic RMI: // Context namingContext = new InitialContext(); Registry reg = LocateRegistry.createRegistry(9999); for ( int i = 0; i < objs.length; i++ ) { int id = objs[i].getID(); // namingContext.bind( "rmi:CustomObj" + id , objs[i] ); reg.bind( "CustomObj" + id , objs[i] ); } That works without a hitch, but for future purposes, I need to use InitialContext. Context namingContext = new InitialContext(); for ( int i = 0; i < objs.length; i++ ) { int id = objs[i].getID(); namingContext.bind( "rmi:CustomObj" + id , objs[i] ); } But I cannot get this to work. I have started rmiregistry from the command line. Is there an equivalent of LocateRegistry.createRegistry(int)? Or some other way to start the RMI registry / registry used by InitialContext from inside my class? (Instead of the command line) Stack trace: javax.naming.CommunicationException [Root exception is java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is: java.lang.ClassNotFoundException: bguiz.scratch.network.eg.Student] at com.sun.jndi.rmi.registry.RegistryContext.bind(RegistryContext.java:126) at com.sun.jndi.toolkit.url.GenericURLContext.bind(GenericURLContext.java:208) at javax.naming.InitialContext.bind(InitialContext.java:400) at bguiz.scratch.RMITest.main(RMITest.java:29) Caused by: java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is: java.lang.ClassNotFoundException: bguiz.scratch.CustomObj at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java:396) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:250) ....(truncated) EDIT: I will delete my own question in a couple of days, as there seems to be no answer to this (I haven't been able to figure it out myself). Last call for any biters!

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  • Did you love the game Mouse Trap as a kid, or something similar? (Programmer Psychology) [closed]

    - by Robert Oschler
    When I was a kid I absolutely fell in love with games that had as a core feature, the need to understand interconnecting structures. My favorite of all time was Mouse Trap. For the younger crowd out there, this was a very cool board game where you built the mouse trap out of the included plastic pieces as you played, with the end goal to trigger the mouse trap. The fully assembled mouse trap was a Rube Goldberg style invention where one operation triggered the next and the next and so on, until the last step dropped a cage on a little plastic mouse. Sometimes when I'm programming and I'm reviewing a particularly complex interaction between components and objects, while tracking the flow path mentally, I say to myself "It's a Mouse Trap!" and I wonder if my early addiction to that game and others like it was portent to my becoming a programmer. Another realization I have sometimes when looking at my code is how daunted I feel at the share complexity involved, followed by a darker comedic amazement at my expectation that it will all come together and work. How about you? Did you find yourself drawn to games that at their heart featured interacting control paths when growing up? Robert.

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  • List of rich web application technologies

    - by Michal Czardybon
    I am trying to get myself acquainted with the world of rich web application. There are some comparison tables of available technologies on the Wikipedia, but I still find it unclear what are the options for rich application development. Could you please verify and complete the information I gathered below? What are the key pros and cons of each option? Which is the best choice for big and very rich web application? Option 1: ASP.NET/ASP.NET MVC Vendor: Microsoft Environment: Visual Studio Language: C# Output: HTML+JavaScript+AJAX Example: www.stackoverflow.com Option 2: Silverlight Vendor: Microsoft Environment: Visual Studio Language: C# Output: .NET executable? Example: ? Option 3: Google Web Toolkit Vendor: Google Environment: Eclipse Language: Java Output: HTML+JavaScript+AJAX Example: http://www.projectkaiser.com:8080/pk/ Option 4: Flex Vendor: Adobe Environment: ? Language: ? Output: Flash (.swf file) Example: http://listen.grooveshark.com/ Option 5: Adobe AIR Vendor: Adobe Environment: ? Language: ? Output: AIR Example: http://www.colabolo.com/en/download.html Option 5: Ruby on Rails Vendor: Rails Core Team Envirnoment: ? Language: Ruby Output: HTML+JavaScript+AJAX? Example: ? Option 6: Java Applets Vendor: Sun Environment: Eclipse Language: Java Output: Java Applet Option 7: OpenLeszlo Vendor: ? Environment: ? Language: ? Output: ? Example: ? Option 8: Python? ??? Option 9: XUL ???

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  • Tablet as Car Computer

    - by Austin Fitzpatrick
    Okay, so forward this off to the right place if this isn't the right place to ask this question. I want to use a tablet computer as a car-computer. Minimum features would be to run my music (through iPod, Pandora, whatever I want) and GPS Navigation, watch TV or movies while I'm parked waiting for people, and the hard one: it needs to answer my phone calls with a pleasant interface much like in-dash systems do. It needs to detect that my phone is ringing in my pocket and provide an on-screen answer/ignore and then route the audio through the cars speakers. It would be nice to dial out and have address book access, but that is somewhat secondary. I have an iPhone myself and I figured that an iPad with 3G might make a good system for this - but I'm open to other options if an iPad can't do everything I need. I'm willing to write code, and I'm willing to jailbreak one or both devices. I haven't done much work in Obj-C, but I'm not opposed to learning a new language for this project. It's self enrichment for the most part, as I'm sure I can buy an indash entertainment system for less. Does anyone have experience with the iPhone/iPad SDK that can tell me whether or not it would be possible to get it an iPad to answer my calls in the car? What about an Android tablet? (that Adam looks promising, too).

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  • JSP or .ascx equivalent for Scala?

    - by Daniel Worthington
    I'm working on a small MVC "framework" (it's really very small) in Scala. I'd like to be able to write my view files as Scala code so I can get lots of help from the compiler. Pre-compiling is great, but what I really want is a way to have the servlet container automatically compile certain files (my view files) on request so I don't have to shut down Jetty and compile all my source files at once, then start it up again just to see small changes to my HTML. I do this a lot with .ascx files in .NET (the file will contain just one scriptlet tag with a bunch of C# code inside which writes out markup using an XmlWriter) and I love this workflow. You just make changes and then refresh your browser, but it's still getting compiled! I don't have a lot of experience with Java, but it seems possible to do this with JSP as well. I'm wondering if this sort of thing is possible in Scala. I have looked into building this myself (see more info here: http://www.nabble.com/Compiler-API-td12050645.html) but I would rather use something else if it's out there.

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  • Why does Cut/Paste of form components sometimes stop working in Delphi 2007 IDE?

    - by robsoft
    This is driving me crazy. I'm not going to take it anymore. I'm going to ask, even at the risk of eternal public humiliation! (If it's something really obvious or that I've done to the system myself). For reasons I've never quite had the patience to work out, every so often the form I'm working on in Delphi 2007's visual form editor goes 'pseudo-read-only'; I can add new components to the form, I can move/resize existing ones (and change any properties in the Object Inspector), and I can select a component and 'copy' it to the clipboard. But I'm completely unable to cut a component from the form, or paste a new copy down. I don't believe it's to do with the 'Lock Controls' Edit menu option as I can toggle this on or off and it has the effect it's supposed to - this disappearance of Cut & Paste happens on the right-click context menu, from the keyboard and from the main Edit menu - it's as if the form has become read only to thing to do with the clipboard. If I close the form in the IDE and then reopen it, everything starts working fine again (just as D1, D3, D5 and D7 always did for me, previously). I'm not going mad, as I'm sure I read something about why this happens on a newsgroup once and it's caught me out from time to time many many times in the last few months, but I've failed to find the newsgroup reference this evening and I've decided that, as more and more Delphi users seem to be making use of StackOverflow, it was worth asking here. Help - when I'm doing lots of form-work it drives me absolutely mad!

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  • Am I deleting this properly?

    - by atch
    I have some struct: struct A { const char* name_; A* left_; A* right_; A(const char* name):name_(name), left_(nullptr), right_(nullptr){} A(const A&); //A(const A*);//ToDo A& operator=(const A&); ~A() { /*ToDo*/ }; }; /*Just to compile*/ A& A::operator=(const A& pattern) { //check for self-assignment if (this != &pattern) { void* p = new char[sizeof(A)]; } return *this; } A::A(const A& pat) { void* p = new char[sizeof(A)]; A* tmp = new (p) A("tmp"); tmp->~A(); delete tmp;//I WONDER IF HERE I SHOULD USE DIFFERENT delete[]? } int _tmain(int argc, _TCHAR* argv[]) { A a("a"); A b = a; cin.get(); return 0; } Guys I know this is far from ideal and far from finished. But please don't tell me the answer how to do it properly. I'm trying to figure it out myself. The only think I would like to know if I'm deleting my memory in proper way. Thanks.

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  • Problems with Merb on Snow Leopard

    - by hamhoagie
    I've recently started looking at Merb, for use with some small projects around the office. I'm trying to set up my first project following the docs, and am encountering an exception such as: foo:beta user$ merb Merb root at: /Users/user/code/merb/beta Loading init file from ./config/init.rb Loading ./config/environments/development.rb ~ Connecting to database... ~ Loaded slice 'MerbAuthSlicePassword' ... ~ Parent pid: 39794 ~ Compiling routes... ~ Activating slice 'MerbAuthSlicePassword' ... ~ ~ FATAL: Mongrel is not installed, but you are trying to use it. You need to either install mongrel or a different Ruby web server, like thin. I have installed Mongrel from gem as well as from MacPorts, and am confused by this exception. Significant stats: ruby 1.8.7 (2010-01-10 patchlevel 249) [i686-darwin10] From my installed gems: merb (1.1.0) merb-action-args (1.1.0) merb-assets (1.1.0) merb-auth (1.1.0) merb-auth-core (1.1.0) merb-auth-more (1.1.0) merb-auth-slice-password (1.1.0) merb-cache (1.1.0) merb-core (1.1.0) merb-exceptions (1.1.0) merb-gen (1.1.0) merb-haml (1.1.0) merb-helpers (1.1.0) merb-mailer (1.1.0) merb-param-protection (1.1.0) merb-slices (1.1.0) merb_datamapper (1.1.0) mongrel (1.1.5) Merb documentation is non-existent, so I find myself stuck. Thanks in advance.

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  • Using Traveling Salesman Solver to Decide Hamiltonian Path

    - by Firas Assaad
    This is for a project where I'm asked to implement a heuristic for the traveling salesman optimization problem and also the Hamiltonian path or cycle decision problem. I don't need help with the implementation itself, but have a question on the direction I'm going in. I already have a TSP heuristic based on a genetic algorithm: it assumes a complete graph, starts with a set of random solutions as a population, and works to improve the population for a number of generations. Can I also use it to solve the Hamiltonian path or cycle problems? Instead of optimizing to get the shortest path, I just want to check if there is a path. Now any complete graph will have a Hamiltonian path in it, so the TSP heuristic would have to be extended to any graph. This could be done by setting the edges to some infinity value if there is no path between two cities, and returning the first path that is a valid Hamiltonian path. Is that the right way to approach it? Or should I use a different heuristic for Hamiltonian path? My main concern is whether it's a viable approach since I can be somewhat sure that TSP optimization works (because you start with solutions and improve them) but not if a Hamiltonian path decider would find any path in a fixed number of generations. I assume the best approach would be to test it myself, but I'm constrained by time and thought I'd ask before going down this route... (I could find a different heuristic for Hamiltonian path instead)

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  • Google Contacts API - No Redirection

    - by mecablaze
    Hello there, I am currently working on Contact Importer web app (in PHP) so I will be able to grab email address from a user's account on Gmail, Yahoo, etc and use them for my own evil purposes. Just kidding, my web app is very friendly. I thought I would start with Google. I found they have a fantastic little API called Google Contacts API which lets a programmer, like myself, to access a user's contacts. After a couple of hours of struggling and throwing shitty code together, I ran into a few road-blocks. My main question is this: Is there any way that I can have a user provide their username and password for Gmail on my website and have my code retrieve the contacts without that nasty redirection to a Google login page? It's kind of ruins the whole flow of my web app. I've looked into AuthSub, and gotten that to work, but of course the catch is that you have to redirect the user to obtain the access token. It looks like OAuth will have this same catch. The one ray of hope I have is the ClientLogin method of authentication. Again, there is a catch, sometimes Google throws you a CAPTCHA instead of the auth token. Again, the user flow is ruined. I've noticed that our good ol' friends over at Twitter have it working just fine. Does anyone know how they do it? Thanks!

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  • Best Practices for Setup and Management of an Open Source Project

    - by VirtuosiMedia
    Later this year I want to release a PHP framework that I've been working on as open source. I do use source control (SVN), but it's on an extremely limited basis. I'm self-taught, I develop by myself and don't have the experience of working with large teams. I have some ideas about what can help make a project successful, but I'm fuzzy on some of the details. Since it's not yet released, I want to do everything I can to set up the right infrastructure from the beginning. What do I need to know in order to setup and manage a successful project? Some ideas that I have to make it successful (beyond marketing it): Good documentation and tutorials Automated unit tests and builds to push update to the website A clear roadmap Bug Tracking integrated with the source control A style guide to keep the code consistent along with clear A forum for the community to get support, share ideas, etc. A good example application built with the framework A blog to keep the community informed Maintaining backwards compatibility wherever possible Some of my questions: How do I setup and automate a one step submit-test-commit-generate API docs-push update to website process? How do I handle (technically) submissions from other users? How can I ensure that those submissions must be approved before being integrated? What are some of the pitfalls that can be avoided in terms of the project community? I'd prefer to have it be as friendly and helpful as possible without a lot of drama. I'd love to learn from your experience on any of these points. If you think I'm missing anything big, please share that as well. Any resources (preferably geared toward a beginner) that you could point me towards would also be greatly appreciated.

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  • Can I embed a custom font in an iPhone application?

    - by Airsource Ltd
    I would like to have an app include a custom font for rendering text, load it, and then use it with standard UIKit elements like UILabel. Is this possible? I found these links: http://discussions.apple.com/thread.jspa?messageID=8304744 http://forums.macrumors.com/showthread.php?t=569311 but these would require me to render each glyph myself, which is a bit too much like hard work, especially for multi-line text. I've also found posts that say straight out that it's not possible, but without justification, so I'm looking for a definitive answer. EDIT - failed -[UIFont fontWithName:size:] experiment I downloaded Harrowprint.tff (downloaded from here) and added it to my Resources directory and to the project. I then tried this code: UIFont* font = [UIFont fontWithName:@"Harrowprint" size:20]; which resulted in an exception being thrown. Looking at the TTF file in Finder confirmed that the font name was Harrowprint. EDIT - there have been a number of replies so far which tell me to read the documentation on X or Y. I've experimented extensively with all of these, and got nowhere. In one case, X turned out to be relevant only on OS X, not on iPhone. Consequently I am setting a bounty for this question, and I will award the bounty to the first person who provides an answer (using only documented APIs) who responds with sufficient information to get this working on the device. Working on the simulator too would be a bonus. EDIT - it appears that the bounty auto-awards to the answer with the highest nunber of votes. Interesting. No one actually provided an answer that solved the question as asked - the solution that involves coding your own UILabel subclass doesn't support word-wrap, which is an essential feature for me - though I guess I could extend it to do so.

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  • Is any solution the correct solution?

    - by Eli
    I always think to myself after solving a programming challenge that I have been tied up with for some time, "It works, thats good enough". I don't think this is really the correct mindset, in my opinion and I think I should always be trying to code with the greatest performance. Anyway, with this said, I just tried a ProjectEuler question. Specifically question #2. How could I have improved this solution. I feel like its really verbose. Like I'm passing the previous number in recursion. <?php /* Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be: 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ... Find the sum of all the even-valued terms in the sequence which do not exceed four million. */ function fibonacci ( $number, $previous = 1 ) { global $answer; $fibonacci = $number + $previous; if($fibonacci > 4000000) return; if($fibonacci % 2 == 0) { $answer = is_numeric($answer) ? $answer + $fibonacci : $fibonacci; } return fibonacci($fibonacci, $number); } fibonacci(1); echo $answer; ?> Note this isn't homework. I left school hundreds of years ago. I am just feeling bored and going through the Project Euler questions

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  • What's are the best readings to start using WPF instead of WinForms?

    - by Ivan
    Keeping in mind what CannibalSmith once said - "All the answers are saying "WPF is different". That's a huge understatement. You not only have to learn lots of new stuff - you must forget everything you've learned from Forms. It's a completely new way of doing UI." .. and having many years of experience with visual Windows desktop applications development (VB6, Borland C++ Builder VCL, WinForms) (which is hard to forget), how do I quickly move to developing to say well-formed WPF applications with Visual Studio? I don't need boozy-woozy graphics to give my app look and feel of a Hollywood blockbuster or a million dollar pyjamas. I always loved tidiness of standard Windows common controls and UI design guidelines, end even more I enjoyed them under Vista Glass Aero Graphite sauce. I am perfectly satisfied with WinForms but I want to my applications to be built of the most efficient and up-to-date standard technologies and architectured according to the most efficient and flexible patterns of today and tomorrow, leveraging interface-based integration and functionality reuse and to take all advantages of modern hardware and APIs to maximize performance, usability, reliability, maintainability, extensibility, etc. I very much like the idea of separating view, logic and data, letting a view to take all advantages of the platform (may it run as a web browser applet on a thin client or as a desktop application on a PC with a latest GPU), letting logic be reused, parallelized and seamlessly evolve, storing data in a well structured format in a right place. But... while moving from VB6 to Borland C++ Builder was very easy (no books/tutorials needed to turn it on and start working) (assuming I already knew C++), moving from BCB to WinForms was the same seamless, it does not seem any obvious to me how to do with WPF. So how do I best convert myself from a WinForms developer into a right-way thinking and doing WPF developer?

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  • Should all public methods of an API be documented?

    - by cynicalman
    When writing "library" type classes, is it better practice to always write markup documentation (i.e. javadoc) in java or assume that the code can be "self-documenting"? For example, given the following method stub: /** * Copies all readable bytes from the provided input stream to the provided output * stream. The output stream will be flushed, but neither stream will be closed. * * @param inStream an InputStream from which to read bytes. * @param outStream an OutputStream to which to copy the read bytes. * @throws IOException if there are any errors reading or writing. */ public void copyStream(InputStream inStream, OutputStream outStream) throws IOException { // copy the stream } The javadoc seems to be self-evident, and noise that just needs to be updated if the funcion is changed at all. But the sentence about flushing and not closing the stream could be valuable. So, when writing a library, is it best to: a) always document b) document anything that isn't obvious c) never document (code should speak for itself!) I usually use b), myself (since the code can be self-documenting otherwise)...

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  • Java 1.4 singleton containing a mutable field

    - by Philippe
    Hi, I'm working on a legacy Java 1.4 project, and I have a factory that instantiates a csv file parser as a singleton. In my csv file parser, however, I have a HashSet that will store objects created from each line of my CSV file. All that will be used by a web application, and users will be uploading CSV files, possibly concurrently. Now my question is : what is the best way to prevent my list of objects to be modified by 2 users ? So far, I'm doing the following : final class MyParser { private File csvFile = null; private static Set myObjects = Collections.synchronizedSet(new HashSet); public synchronized void setFile(File file) { this.csvFile = file; } public void parse() FileReader fr = null; try { fr = new FileReader(csvFile); synchronized(myObjects) { myObjects.clear(); while(...) { // foreach line of my CSV, create a "MyObject" myObjects.add(new MyObject(...)); } } } catch (Exception e) { //... } } } Should I leave the lock only on the myObjects Set, or should I declare the whole parse() method as synchronized ? Also, how should I synchronize - both - the setting of the csvFile and the parsing ? I feel like my actual design is broken because threads could modify the csv file several times while a possibly long parse process is running. I hope I'm being clear enough, because myself am a bit confused on those multi-synchronization issues. Thanks ;-)

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