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• ASP MVC Creating Form Rows Dynamically

  - by Jonathan Stowell

  Hi Guys, I haven't even attempted this yet and am creating this question for advice really. I have a strongly typed page which receives a form model composed of several components. It is to create a mitigating circumstance (MC) for a student at a university for my final year project. A MC can be composed of the initial problem, assessment extensions, and I use a multi select box to allow the user to select staff retrieved from the database which are able to view the MC once created. The thing is I feel that a student could be granted many assignment extensions for one problem. I am wander if it is possible to include a button/image on the form which when clicked will create a new assessment extension object, and duplicate the form components to set the values for the object? This would all need to occur without any page refreshes. Any advice, or links to good tutorials would be appreciated. I have so far been unable to find any suitable examples. Thanks, Jon

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• Combining Content Data in Google Analytics

  - by David Csonka

  When I first start one of my Wordpress blogs, I had the permanent URL for each post include the date of posting. The slug format looked like this: /blog/2010/01/25/this-is-my-article/ Later on, I changed it so that the date was not included in the permanent URL, like this: /blog/this-is-my-article/ and setup a redirect plugin to make sure that users would get to the page they wanted until the site was re-indexed. In Google Analytics, when I review the stats for content I now have multiple records for what is essentially the same page. ie: Top Content List: 45 Pageviews- /blog/this-is-my-article/ 24 Pageviews- /blog/2010/01/25/this-is-my-article/ 33 Pageviews- /blog/some-other-article/ Is there any way to combine those records somehow?

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• How to model file system operations with REST?

  - by massive

  There are obvious counterparts for some of file systems' basic operations (eg. ls and rm), but how would you implement not straightforwardly RESTful actions such as cp or mv? As answers to the question REST services - exposing non-data “actions” suggest, the preferred way of implementing cp would include GETting the resource, DELETing it and PUTting it back again with a new name. But what if I would need to do it efficiently? For instance, if the resource's size would be huge? How would I eliminate the superfluous transmission of resource's payload to client and back to the originating server? Here is an illustration. I have a resource: /videos/my_videos/2-gigabyte-video.avi and I want copy it into a new resource: /videos/johns_videos/copied-2-gigabyte-video.avi How would I implement the copy, move or other file system actions the RESTful way? Or is there even a proper way? Am I doing it all wrong?

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• How to change word recognition in vim spell?

  - by David

  I like that vim 7.0 supports spell checking via :set spell, and I like that it by default only checks comments and text strings in my C code. But I wanted to find a way to change the behavior so that vim will know that when I write words containing underscores, I don't want that word spell checked. The problem is that I often will refer to variable or function names in my comments, and so right now vim thinks that each piece of text that isn't a complete correct word is a spelling error. Eg. /* The variable proj_abc_ptr is used in function do_func_stuff' */ Most of the time, the pieces seperated by underscores are complete words, but other times they are abbreviations that I would prefer not to add to a word list. Is there any global way to tell vim to include _'s as part of the word when spell checking?

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• List of uninteresting words

  - by Hooked

  [Caveat] This is not directly a programing question, but it is something that comes up so often in language processing that I'm sure it's of some use to the community. Does anyone have a good list of uninteresting (English) words that have been tested by more then a casual look? This would include all prepositions, conjunctions, etc... words that may have semantic meaning, but are often frequent in every sentence, regardless of the subject. I've built my own lists from time to time for personal projects but they've been ad-hoc; I continuously add words that I forgotten as they come in.

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• using different string files in android

  - by boreas

  I'm porting my iPhone app to android and I'm having a problem with the string files now. The app is a translation tool and users can switch the languages, so all the localized strings are in both languages and they are independent from what locale the OS is running. For iOS version I have different files like de.strings, en.strings and fr.strings and so on. For every target with specified language pair I read the strings from the string tables, e.g. for de-fr I will include de.strings and fr.strings in project and set the name of the string tables in the info-list file and read strings from them. In the end I have one project containing different targets (with different info-list files) and all are well configured. I'm intending to do the same on android platform, but Is only one strings.xml allowed per project? How do I set different build target? How do I specify per target which strings.xml it should read?

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• Wrapping C/C++ inside Java

  - by Ashwin

  I develop applications/programs in C/C++. I am more versed in these two languages and love being a C++ developer. I am wondering how to create a Java program that contains all my C++ code. I mean, I would like to wrap all my C++ code (that is already developed) inside Java class. But clueless how to do it. Please post your responses or methods/steps on integrating C++ inside Java. (using JNI is the way, but I could not figure it out on www how to use it) FYI, I use Eclipse IDE to develop. How and what packages should I include in my project workspace?

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• Structure within union and bit field

  - by java

  #include <stdio.h> union u { struct st { int i : 4; int j : 4; int k : 4; int l; } st; int i; } u; int main() { u.i = 100; printf("%d, %d, %d", u.i, u.st.i, u.st.l); } I'm trying to figure out the output of program. The first outputs u.i = 100 but I can't understand the output for u.st.i and u.st.l. Please also explain bit fields.

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• You have an error in your SQL syntax; check the manual that corresponds to your MySQL

  - by LuisEValencia

  I am trying to run a mysql query to find all occurences of a text. I have a syntax error but dont know where or how to fix it I am using sqlyog to execute this script DECLARE @url VARCHAR(255) SET @url = '1720' SELECT 'select * from ' + RTRIM(tbl.name) + ' where ' + RTRIM(col.name) + ' like %' + RTRIM(@url) + '%' FROM sysobjects tbl INNER JOIN syscolumns col ON tbl.id = col.id AND col.xtype IN (167, 175, 231, 239) -- (n)char and (n)varchar, there may be others to include AND col.length > 30 -- arbitrary min length into which you might store a URL WHERE tbl.type = 'U' -- user defined table 1 queries executed, 0 success, 1 errors, 0 warnings Query: declare @url varchar(255) set @url = '1720' select 'select * from ' + rtrim(tbl.name) + ' where ' + rtrim(col.name) + ' like %' ... Error Code: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'declare @url varchar(255)

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• Spring deployment-level configuration

  - by Robert Wilson

  When I wrote JEE apps, I used JBoss Datasources to control which databases the deployment used. E.g. the dev versions would use a throwaway hibernate db, the ref and ops would use stable MySQL deployments. I also used MBeans to configure various other services and rules. Now that I'm using Spring, I'd like the same functionality - deploy the same code, but with different configuration. Crucially, I'd also like Unit Tests to still run with stub services. My question is this - is there a way, in JBoss, to inject configuration with files which live outside of the WAR/EAR, and also include these files in test resources.

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• Theme the node-create and node-edit template

  - by Toxid

  I'm using drupal 6. I've managed to make a .tpl file for one content type, that is for images in my image gallery. I did that by adding this code in template.php: function artbasic_theme($existing, $type, $theme, $path) { return array( 'galleryimage_node_form' => array( 'arguments' => array('form' => NULL), 'template' => 'galleryimage_node_form' ) ); } And then I created galleryimage_node_form.tpl.php, and was good to go. Now it happens so that I want to have other template files for the forms of other content types, for example link_contrib_node_form.tpl.php. I've tried a couple of ways to change this function to include more content types, but I can't figure it out. Can anyone help?

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• how to make javascript rearrangeable windows?

  - by ranganaMIT

  hi guys, I want to make a web page with several type of forms,each one on a different area that allows those areas to be rearranged and user will be able to change their position according to their preference.(X form to the left top, Y form to the right bottom etc.) i don't know what that type of windows are called, but think you can get a idea what I'm mentioning here.only thing i know is it can be achieved with javascript, i searched for it but i can't find the relevant tutorial or guide to self study. some one please tell me what they are, and how to make them and include in my web page? is there any thing that ease of making those thing except javascript?please provide me a source of studying and i really appreciate the instructions of the knowledged people.thanks in advance! regards, rangana.

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• Calculate difference in days ActiveSupport:TimeWithZone in the most "rubyish" style?

  - by Nick

  I have a feeling someone is going to point me to another question that answers this but I've been searching with no luck over this simple issue. I have a Activerecord with a datetime property. It returns as an ActiveSupport:TimeWithZone. I know I can't compare that to DateTime.now because that doesn't include a zone so I need to use Time.zone. Makes sense. What I'm wondering is stylewise is there a "cleaner" way to do this than subtracting and dividing the result by 86400? Here's what I do: ((Time.zone.now - myActiveRecord.visit_date)/86400).to_i Works but seems un-rubyish and I feel like I'm missing something. Should I be casting, comparing or converting some other route or is this really the typical way to do this in rails? Appreciate any tips or a link to a question that already covers this. Thank you

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• Why does this program segfault

  - by Leda

  Upon compiling and running this small program to reverse a string, I get a Segmentation Fault before any output occurs. Forgive me if this is an obvious question, I'm still very new to C. #include <stdio.h> int reverse(char string[], int length); int main() { char string[] = "reversed"; printf("String at start of main = %s", string); reverse(string, sizeof(string)); printf("%s\n", string); return 0; } // Reverse string int reverse(char string[], int length) { int i; char reversed[] = {}; int temp; for(i = 0; i < length; ++i) { temp = string[i]; reversed[length - i] = temp; } return 0; }

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• DWORD to bytes using bitwise shift operators

  - by Dave18

  I can't get it to work correctly. #include <windows.h> int main() { DWORD i = 6521; BYTE first = i >> 32; BYTE second = i >> 24; BYTE third = i >> 16; BYTE fourth = i >> 8; i = (((DWORD)fourth) << 24) | (((DWORD)third) << 16) | (((DWORD)second) << 8) | first; }

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• Returning the address of local or temporary variable

  - by Dave18

  #include <iostream> int& foo() { int i = 6; std::cout << &i << std::endl; return i; } int main() { int i = foo(); std::cout << &i << std::endl; } I know it doesn't return the address of local variable so that is why the warning but why does it still works and assign the variable i in main() to '6'? How does it only return the value if the variable the was removed from stack memory?

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• Can't subtract in a for loop in C/Objective-C

  - by user1612935

  I'm going through the Big Nerd Ranch book on Objective-C, which takes you through some early C stuff. I've played with C before, and am pretty experienced in PHP. Anyhow, I'm doing the challenges and this one is not working the way I think it should. It's pretty simple - start at 99, loop through and subtract three until you get to zero, and every time you get a number that is divisible by 5 print "Found one." Pretty straightforward. However, subtracting by three in the for loop is not working #include <stdio.h> int main (int argc, const char * argv[]) { int i; for(i = 99; i > 0; i-3){ printf("%d\n", i); if(i % 5 == 0) { printf("Found one!\n"); } } return 0; } It creates and endless loop at 99, and I'm not sure why.

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• Newbie: C, casting, String hexa to bin after logical operations

  - by user355926

  I want: 111 || 100 ---> 111, not 1 100 && 100 ---> 100, not 1 101 && 010 ---> 000, not 0 Broken code #include <stdio.h> main(void){ string hexa = 0xff; strig hexa2 = 0xf1; // CONVERT TO INT??? cast int hexa3 = hexa || hexa2; int hexa4 = hexa && hexa2; puts(hexa3); puts(hexa4); }

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• Problem with jQuery animation

  - by Daemon

  I have a problem with an animation in jQuery using ajax. On the click of an button (actually an tag), I call a ajax method, and have the following written inside the success parameter: success: function(msg) { $('.ContentsMainRight').children().fadeOut(500, function() { $('.ContentsMainRight').html(msg.d); $('.ContentsMainRight').children().fadeIn(1000); }); }, This have the following result. The contents of a div fade out over 500ms as it's supposed to. Then the html contents of the div are swapped, but then the last part did not work as I hoped. The html returned by the ajax method include some text inside a tag, and a image inside a tag. The result is that the text is automatically displayed instantly with no fadein, but the img that is put fades in over 1 second. Why is the text and image treated differently? -Daemon

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• Drupal Views: Render Null Result for Relationship as 0

  - by Kyle S

  I have a View configured in Drupal to return nodes, sorting them by their average vote in descending order. For the purpose of the View, the value of the average votes is a Relationship. I noticed that nodes with no votes are displayed after nodes with a negative average. Nodes with no votes should have an average of 0, but I believe the MySQL JOIN is causing NULL values to be returned (as there are no matching rows in the joined table, since a row is created after the first vote is cast for that item). I discovered that with MySQL it is possible to output all values that are NULL in a column as another value with IFNULL(column_name,'other value'). I feel like I would need to modify the Views module in order to obtain this functionality, but I'm hoping that there is some sort of option that returns NULL values in a relation (a relation doesn't exist for the item) as 0 instead of NULL, so that I can properly sort the nodes. The modules I am using include Views, Voting API, Vote Up/Down, and CTools. Thanks.

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• The way to deploy from repos in svn

  - by fatnjazzy

  Hi, we are 5 developers working in an svn environment. every programmer can work on small bugs and commit whenever he wants. after the work has done, i want to give them the way to deploy to the production without considering the other programmers and their deployment. for example: while i am committing, other user is committing too but he did not finish to commit. his revisions 1,3 my revisions 2,4 if i will deploy the HEAD(4), ill also deploy his work. and i will deploy 2 and 4 i will include his files as well. how can i free every programmer to deploy his files only? Thanks

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• Change Image in Resources at Runtime

  - by zaidwaqi

  Hi, My understanding of Resources is that I can combine resources i.e. images and my program into single executable. Let's say I have image pic1.png and I put it into Resource of my project, and is accessible with Properties.Resource.pic1. For example, PictureBox pb = new PictureBox(); pb.Image = Properties.Resource.pic1; What I want to do is for that my program will be able to replace this image at runtime. For example, my program runs, and locate newPicture.png, and use this new image to replace pic1.png that was originally used. Maybe my question is better reworded as "Can I include new image into Resources at runtime?" Please help. Thanks.

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• What do I need to know before working on an IM application?

  - by John

  I'm looking into building an IM-type application using Java stack (for the server at least). I'd be interested to see any information/advice on how applications like Skype/AIM/MSN work, as well as know any technologies/APIs that might be relevant. Without giving away the idea itself, it's perhaps more akin to Google Wave than Skype, but information useful for either is very welcome. Specific points I have already thought of include: Server Vs P2P... for reasons of logging my system will require all communication to go through a central server. Is this how other IM tools work... especially when audio/video comes into the equation? Cross-communication with other systems. Are there APIs for this or do all IM providers work hard to keep their protocol secret? The nature of what I'm designing means integration could probably only be limited, but it definitely seems worthwhile from a business perspective

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• start javascript code with $(function, etc

  - by YAmikep

  I am studying Backbone and the todo example apps from http://todomvc.com/ I have noticed there are 3 severals ways of starting the code in the files: $(function() { // code here }); $(function( $ ) { // code here }); (function() { // code here }()); I do not understand the differences and when I should use one over the other. I also saw some people using this to start their code: $(document).ready(function(){ // code here }); From what I have seen, this is the full way of writing it right? In a more general way, should I always include my javascript code into something like that in each files? Thanks for your advice.

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• ASP.NET check if LinqToEntities returned something or not.

  - by Alex

  How to make this method return boolean value, depending on query return. False - nothing, True - data exists. Before i just returned int from uniqueQuote.Count() but does not look like great method. Thank you! private bool CheckEnquiryUser(int enquiryId, Guid userId) { int selectedEnquiryId = enquiryId; Guid currentUserId = userId; Entities ctx3 = new Entities(); var uniqueQuote = from quot in ctx3.Enquiries.Include("aspnet_Users") where quot.EnquiryId == selectedEnquiryId && quot.aspnet_Users.UserId == currentUserId select quot; bool exist = uniqueQuote; return exist;

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