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• MVC: Model View Controller -- does the View call the Model?

  - by Gary Green

  I've been reading about MVC design for a while now and it seems officially the View calls objects and methods in the Model, builds and outputs a view. I think this is mainly wrong. The Controller should act and retrieve/update objects inside the Model, select an appropriate View and pass the information to it so it may display. Only crude and rudiementary PHP variables/simple if statements should appear inside the View. If the View gets the information it needs to display from the Model, surely there will be a lot of PHP inside the View -- completely violating the point of seperating presentation logic.

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• Developing Android applications with Visual Studio 2008

  - by Goz

  Hi all, I've recently obtained an HTC Desire and I'm interested in porting my 3D engine to the device. I have a slight annoyance however. I'd love to be able to do development under Visual Studio 2008. Am I to assume I'm going to need to re-process my SLN files to do GCC builds? Its not a vast issue as I already have an application that processes SLN and VCProj files through GCC and then links them together at the other end. I'll just need to set up the right libraries with it. Are there any other gotchas I need to think about? Or, indeed, is there an easier way? Any info would be much appreciated! Cheers :)

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• How to log off multiple MembershipUsers that are not the current user?

  - by Sgraffite

  I'm using the MembershipProvider that is part of the MVC2 default project. I'd like to be able to take a list of user names, and log the users off, and destroy their session if needed. The closest I can seem to come is this: foreach(string userName in UserNames) { MembershipProvider MembershipProvider = new MembershipProvider(); MembershipUser membershipUser = MembershipProvider.GetUser(userName, true); Session.Abandon(); FormsAuthentication.SignOut(); } I think I need to use a session and/or signout method related the user I want to log out, but I am unsure where those would be. What is the proper way to do this?

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• OpenSSL not listed under PHP modules but shows up in the configure command

  - by Lauren

  PHP 5.2.12 OS X 10.5.8 If I compile PHP from source with the following configure command ./configure --disable-all --with-openssl=shared,/opt/local it succeeds. However, after a make and make install, php -m does not list the openssl module. Based on what I've read, I think it may be due to multiple installs of the openssl library. Installing the latest version of openssl from source and trying to specify the path in the configure command, --with-openssl=/usr/local, always results in the following error: Undefined symbols: "_EVP_CIPHER_CTX_block_size", referenced from: _zif_openssl_seal in openssl.o ld: symbol(s) not found collect2: ld returned 1 exit status make: *** [sapi/cgi/php-cgi] Error 1 I've tried a few different variations on the path with no luck. Based on http://blog.yimingliu.com/2009/02/24/missing-library-symbols-while-compiling-php-528/, I've also tried editing the Makefile so that MH_BUNDLE_FLAGS comes later in the compilation line. After spending a good portion of the day on this issue, I'm at a loss. Any suggestions?

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• NSString to NSData Failing in Encoding

  - by Travis

  I'm trying to use NSXmlParser to parse ISO-8859-1 data. Using Apple's own example for parsing ISO-8859-1, I have the following. NSString *xmlFilePath = [[NSBundle mainBundle] pathForResource:sampleFileName ofType:@"xml"]; NSString *xmlFileContents = [NSString stringWithContentsOfFile:xmlFilePath encoding:NSISOLatin1StringEncoding error:nil]; NSLog(@"contents: %@", xmlFileContents); I see that in the console, the contents of the string is accurate. However when I try to convert it to an NSData object (for use with the parser), I do the following. NSData *xmlData = [xmlFileContents dataUsingEncoding:NSISOLatin1StringEncoding]; But then when my didStartElement delegate gets called, I see  showing up which I think is from an encoding discrepancy. Can NSXmlParser handle ISO-8859-1 and if so, what am I doing wrong?

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• Disassemble Microsoft Visual Studio 2003 compiler output

  - by Carl Norum

  I'm seeing what I think is strange behaviour from object files output by the Microsoft Visual Studio 2003 tools. The file utility tells me: asmfile.obj: 80386 COFF executable not stripped - version 30821 For objects created by the assembler, but for objects coming from C files, I get just: cfile.obj: data Using Microsoft's dumpbin utility and the objdump I got from cygwin, I can disassemble the assembly-built file, but I get no useful results from either utility for the C-built files. I have a couple of questions related to this difference: What is the object file format generated by the MSVC2003 compiler? How can I disassemble that object file? I am particularly interested in getting the disassembly in AT&T syntax - I'm doing a port of a large source base to make it work with GCC, and I would like to use this method as a shortcut for some of the inline assembly routines in the project. Thanks!

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• Subnav "active" when it shouldn't be.

  - by wilwaldon

  http://wilwaldon.com/itsbroken/templateleftnav.php As you can see on the left navigation the link for Template 01 is highlighted green. The link underneath is also highlighted green. I think the problem lies with the initial LI controlling the ul underneath somehow. I need to keep the xhtml formatted exactly how it is right now and only change the CSS to fix this problem. I'd appreciate any help you may be able to point me in the right direction, I'm pretty stuck at this point. Thank you in advance!

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• Save data in bulk.

  - by Muhammad Kashif Nadeem

  I have a window having multiple tabs. Each tab having different grids. I want to save all changes on any tab on any grid in bulk. I mean I have one save button which will save all changes in any grid on any tab. I think DataTables will work fine here. Can you suggest me that it is good to use DataTables to ADD/Edit data and save data in bulk using these DataTables OR is there any better way to achieve this. My DAL is generated from LLBLGen Pro (ORM) but you are open to suggest me a solution. Thanks. Edit: I am using Telerik controls so I can get all data in DataTable like DataTable dtProducts = this.radGridView1.DataSource as DataTable;

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• Replace text in folder names

  - by dannyb

  How can I replace the same text in folder names in linux? Say I have "Photos_Jun", "Photos_July", "Photos_Aug", etc. whats the simplest way I can rename them like "Photos Jun", "Photos July", etc (basically I want to replace the underscore with a space " ". I have about 200 of these folders. I was looking at solution: http://stackoverflow.com/questions/1836563/how-can-i-easily-bulk-rename-files-with-perl It looks like what im looking for however, I dont know how to make a regular expression to match folders that are alphanumeric followed by a "_". All files have non-numeric names, so I think [a-zA-Z] is the right way to start. perl -e 'foreach $f (glob("File\\ Name*")) { $nf = $f; $nf =~ s/(\d+)$/sprintf("%03d",$1)/e; print `mv \"$f\" \"$nf\"`;}' Thanks for any help!

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• IE7 float/clear bug

  - by alex

  I am having the weirdest behavior in IE7 on this page. I have a clear: left on #moored that makes sure that #content-container will expand to the height of the float: left'd #content. Of course, Firefox and IE8 do it right. The weird thing though, is in IE7, it appears that #content-container is automatically expanding to contain the #secondary-content, which it shouldn't. Even weirder is when I view with IE8 with developer tools, the boundary boxes seem to show the that the #content-container is the expanding to the height of the #secondary-container, even though the background: #fff tells a different story. The background goes to where it should, and the void is now black. I've Googled a bit and came across heaps of similar float bugs, but I don't think I've found one which offers a fix yet for this circumstance. Can anyone please help me?

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• ORM in the realworld

  - by josh

  I am begining a new project that i think will last for some years. Am in the point of deciding the ORM framework to use (or whether to use one at all). Can anyone with experience tell me whether orm frameworks are used in realworld applications. The problem i have in mind is this: The orm tool will generate for me tables and columns etc as i create and modify my entities. However, after the project has gone live and is in production, certain database changes will not be possible. Can this hinder the advancement of the project. If i had used a framework like ibatis for example, i know i would only need to adjust the sql statements based on the database changes. Can someone tell me whether ORM tools have survived the live environment. At my office, we use java based ERP that was done long ago and it was never done using any ORM framework. Regards. Josh

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• SO what RDF database do i use?

  - by keisimone

  Hi, i have a similar issue as espoused in http://stackoverflow.com/questions/695752/product-table-many-kinds-of-product-each-product-has-many-parameters i am convinced to use RDF now. but i already have a database in mysql and the code is in php. 1) So what RDF database should I use? 2) do i combine the approach? meaning i have a class table inheritance in the mysql database and just the weird product attributes in the RDF? I dont think i should move everything to a RDF database since it is only just products and the wide array of possible attributes and value that is giving me the problem. 3) what php resources, articles should i look at that will help me better in the creation of this? 4) thank you.

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• Running your own GAE server

  - by h2g2java

  The question http://stackoverflow.com/questions/2505265/how-difficult-is-it-to-migrate-away-from-google-app-engine triggered me to think about this issue again. I have read of someone running, production-wise, Google app engine development version on their own server. My questions are: Are there any security issues running GAE development on your own server in production mode and exposing it to the www? If so how to mitigate them? Can GAE dev be run on Amazon? Is it possible to port my GAE apps running on Google servers to a GAE running on Amazon, without code changes, but without changing any reference in using other gdata services such as google docs, youtube, gmail, etc. How to configure GAE dev server to use my own hadoop? Or to use Amazon's hadoop?

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• embed google map in wpf control

  - by Dave Turvey

  Hi, I am trying to create a wpf control that will display a map image using google maps. I want to be able to centre the map on a longitude and latitude specified by the application. Ideally, the control will then allow the user to move a map marker and store the latitude/longitude of the marker in the application. The only way I can think of doing this is to use a WebBrowser control and create a HTML string at runtime that shows a map of the desired location. This seems like an awkward solution and won't allow me to easily retrieve the marker location. Does anyone know of a better way to accomplish this?

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• Will client side performance improve if images/scripts/styles on different subdomains?

  - by Andrey

  Hi, I have a domain specifically for static content, so cookies don't travel along with requests to images/scripts/css. Now, I think I've read somewhere that most browsers only open one download thread for each domain/subdomain, so different static content can't be downloaded in parallel if on the same domain. Will it make difference for browsers if i place scripts in script.mycdn.com, styles in css.mycdn.com and images in images.mycdn.com? Will it allow to let browser download images at the same time as scripts and styles? mycdn.com is of course a made up name :) Thanks! Andrey

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• TDD, DDD and the No-getters principle

  - by Justin

  Hi all, After several years of following the bad practice handed down from 'architects' at my place of work and thinking that there must be a better way, I've recently been reading up around TDD and DDD and I think the principles and practices would be a great fit for the complexity of the software we write. However, many of the TDD samples I have seen call a method on the domain object and then test properties of the object to ensure the behaviour executed correctly. On the other hand, several respected people in the industry (Greg Young most noticeably so) advocate the "no-getters" principle on our domain objects. My question therefore is: How does one test the functionality of a domain object if it is forbidden to retrieve its state? I believe I am missing something fundamental so please feel free to call me an idiot and enlighten me - any guidance would be greatly appreciated.

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• How to make a TableLayout from XML using programmable way ?

  - by user164589

  hi guys, I am trying to add TableLayout to the LinearLayout from resourse(xml) using programmable way. The added TableLayout count is dynamic. It would be between 1 - 10. I think it is better way to make it from resource xml. Because design doesn't break. How to make it ? Actually I don't know how to create a new instance from the XML. Please help. guys. Thanks in advance.

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• Overriding SQLMembershipProvider in C#

  - by vikp

  Hi, Is there built in methods into .net framework to do the following: Get role GUID from user name/user GUID Get role name from role GUID So far I have been sending queries to the asp_roles and asp_users tables to obtain that information and I'm wondering if there is a nicer way of doing this? I have the following methods that I store in the ASPUtilities class: getRoleGUID(guid userGuid) { LINQ joins } getRoleGuid(string userName) { LINQ joins } getRoleName(guid roleGuid) { LINQ joins } Thank you EDIT: I have just looked into extending SQLMembershipProvider examples. Few examples completely override the SQLMembershipProvider, but I think what I'm interested is just adding few extra methods to deal with the roles by using LINQ. Is this feasible?

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• How to handle application upgrades from free to paid version while preserving any data

  - by cdonner

  Here is the context. I want to have a free version and a premium version of the same application. When people buy the application, I want them to be able to "upgrade" without losing their data, i.e. the premium version should install over the free version. I want to use the same code base and just switch a setting to build the premium version. Andoid Market does not let me convert a free app to a paid app, so the trivial option is not available. I am curious if someone has tried this successfully. How does Android Market identify an application - will it think that the premium version is a different app and just install it in parallel?

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• Serializing Python bytestrings to JSON, preserving ordinal character values

  - by Doctor J

  I have some binary data produced as base-256 bytestrings in Python (2.x). I need to read these into JavaScript, preserving the ordinal value of each byte (char) in the string. If you'll allow me to mix languages, I want to encode a string s in Python such that ord(s[i]) == s.charCodeAt(i) after I've read it back into JavaScript. The cleanest way to do this seems to be to serialize my Python strings to JSON. However, json.dump doesn't like my bytestrings, despite fiddling with the ensure_ascii and encoding parameters. Is there a way to encode bytestrings to Unicode strings that preserves ordinal character values? Otherwise I think I need to encode the characters above the ASCII range into JSON-style \u1234 escapes; but a codec like this does not seem to be among Python's codecs. Is there an easy way to serialize Python bytestrings to JSON, preserving char values, or do I need to write my own encoder?

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• Multidimensional arrays in VB.NET 2010

  - by matt_t

  Is there any way to create a multidinensional array that contains arrays of different lengths (similar to nesting arrays of different lengths in python). Because if I were to declare a variable Dim accounts(2,2) As Integer all 1D arrays at each dimension have the same length. Is there any way to create an array so that this is not the case? e.g The above code would create an array like this: [[0,0],[0,0]] but would it be possible to create this: [[0,0],[0,0,0]] Apologies for the poor explanation but I cannot think of any better ways to explain.

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• Libqxt under Qt Creator

  - by I'm Dario

  I want to create a tiny app which needs global shortcuts. So, I have downloaded the current version of libqxt (0.5.1) and opened as a project in Qt Creator. Libqxt compiles without problems in this way, so I thought that adding this in the tab Dependencies of my project it would get added automatically in the build, like Eclipse does with JAR libraries (I know that are different IDEs but it seems to be a common feature among them). What happens? Qt Creator compiles qxt before my project, when needed, but when I want to include its headers Qt Creator keeps warning me that it cannot find them. Probably I am missing the correct name of headers (I tried the headers showed in qxt documentation: http://doc.libqxt.org/0.5.0/classQxtGlobalShortcut.html) By the way, I looked the code for global shortcuts and I think I can rip it out and use it in my app as is and I am going to credit qxt team and open the code of my app.

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• How to get users to read error messages?

  - by FX

  If you program for a nontechnical audience, you find yourself at a high risk that users will not read your carefully worded and enlightening error messages, but just click on the first button available with a shrug of frustration. So, I'm wondering what good practices you can recommend to help users actually read your error message, instead of simply waiving it aside. Ideas I can think of would fall along the lines of: Formatting of course help; maybe a simple, short message, with a "learn more" button that leads to the longer, more detailed error message Have all error messages link to some section of the user guide (somewhat difficult to achieve) Just don't issue error messages, simply refuse to perform the task (a somewhat "Apple" way of handling user input) Edit: the audience I have in mind is a rather broad user base that doesn't use the software too often and is not captive (i.e., not an in-house software or narrow community). A more generic form of this question was asked on slashdot, so you may want to check there for some of the answers.

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• UITableview titleForHeaderInSection not displaying correctly

  - by mjdth

  I have some VERY simple code to return the title for a section header: - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { if (section==0) { return @""; } else if (section==1) { return @"Actions"; } else if (section==2) { return @"Attached To"; } return @""; } For some reason when the headers are actually displayed on the simulator, half of the time they're simply the first letter and then ellipses. Scrolling up and down (to refresh the header view most likely) will result in the title showing correctly roughly half the time and showing incorrectly the other half of the time. Do anyone have any idea what could be causing this? I think this is more of a recent development, but it seems to happen in almost all UITableViews in my application. I don't want to say this is a 3.2 issue, but it might have started happening around then, but either way it must be related to the code somehow. Thank you.

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• Del.icio.us get xml of all posts

  - by Marvin

  Im trying to get all of my posts in a delicious account to an MySql DB. Since delicious exports xml I think it wont be too complicated, but being new to it I cant really make sense of the api... I believe I have to query it as so: https://api.del.icio.us/v1/posts/all? But one catch is that im using an yahoo id for that account which I need to do it as follows: "To access data from accounts created using a Yahoo! ID, use the same API's as below, but change the path to /v2, and make HTTP requests using OAuth as provided by the Yahoo! Developer Network." I cant understand how to do it, can someone please help. Thanks. EDIT Although I still have the same doubt I figured out I can export the whole thing from the settings in my account, now I just need to get the html export in a xml file :) Also the yahoo method for accessing data, really is no good.

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