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• How can I force asp.net webapi to always decode POST data as JSON

  - by Nathan Reed

  I getting some json data posted to my asp.net webapi, but the post parameter is always coming up null - the data is not being serialized correctly. The method looks something like this: public HttpResponseMessage Post(string id, RegistrationData registerData) It seems the problem is that the client (which I have no control over) is always sending the content-type as x-www-form-urlencoded, even though the content is actually json. This causes mvc to try to deserialize as form data, which fails. Is there anyway to get webapi to always deserialize as json, and to ignore the content-type header?

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• How do I write an IF ELSE to check string contents of an array?

  - by Michael Robinson

  I'm trying to write an IF ELSE statement to enable shipping, If user doesn't add an address the array contents remain as "-" & "-" for the two items in the array. I want to check to see if those are in the array, if they are then I want to enableshipping. Here is the code for getting the array: NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *fullFileName = [NSString stringWithFormat:@"%@/arraySaveFile", documentsDirectory]; NSMutableArray *array = [[NSMutableArray alloc] initWithContentsOfFile:fullFileName]; How do I write this first line to look for the "-" & "-"? if ([fullFileName isEqualToString:@"-","-"]) { [nnNEP EnableShipping]; } else { [nnNEP DisableShipping]; } Thanks, michael

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• Create PHP DOM xml file and create a save file link/prompt without writing the file to the server wh

  - by Reed Richards

  I've created a PHP DOM xml piece and saved it to a string like this: <?php // create a new XML document $doc = new DomDocument('1.0'); ... ... ... $xmldata = $doc->saveXML(); ?> Now I can't use the headers to send a file download prompt and I can't write the file to the server, or rather I don't want the file laying around on it. Something like a save this file link or a download prompt would be good. How do I do it?

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• Internet Explorer visual element stacking issue

  - by Michael

  Gday All, I know this issue is well known, however I have searched high and low for a solution to no avail. I have created a menu system using nested ordered lists where the menu functionality is controlled by CSS and Jquery. The menu works perfectly in FF, Chrome, Opera and Epiphany. However in IE 6/7/8 my popup menu is being displayed underneath a table. See the image below. The very top box is a div element containing my menu system. I am working with legacy code that uses tables for display so the next box and the "ts found. Try a different subcate" text is in a "td" element of a table. I have tried to force the table to have a lower z-index but this does not work. Any insights into why this is only present in IE would be appreciated. Cheers, Michael

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• Scheduling of tasks to a single resource using Prolog

  - by Reed Debaets

  I searched through here as best I could and though I found some relevant questions, I don't think they covered the question at hand: Assume a single resource and a known list of requests to schedule a task. Each request includes a start_after, start_by, expected_duration, and action. The goal is to schedule the tasks for execution as soon as possible while keeping each task scheduled between start_after and start_by. I coded up a simple prolog example that I "thought" should work but I've been unfortunately getting errors during run time: "=/2: Arguments are not sufficiently instantiated". Any help or advice would be greatly appreciated startAfter(1,0). startAfter(2,0). startAfter(3,0). startBy(1,100). startBy(2,500). startBy(3,300). duration(1,199). duration(2,199). duration(3,199). action(1,'noop1'). action(2,'noop2'). action(3,'noop3'). can_run(R,T) :- startAfter(R,TA),startBy(R,TB),T>=TA,T=<TB. conflicts(T,R1,T1) :- duration(R1,D1),T=<D1+T1,T>T1. schedule(R1,T1,R2,T2,R3,T3) :- can_run(R1,T1),\+conflicts(T1,R2,T2),\+conflicts(T1,R3,T3), can_run(R2,T2),\+conflicts(T2,R1,T1),\+conflicts(T2,R3,T3), can_run(R3,T3),\+conflicts(T3,R1,T1),\+conflicts(T3,R2,T2). % when traced I *should* see T1=0, T2=400, T3=200 Edit: conflicts goal wasn't quite right: needed extra TT1 clause. Edit: Apparently my schedule goal works if I supply valid Request,Time pairs ... but I'm stucking trying to force prolog to find valid values for T1..3 when given R1..3?

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• How to drill down with jQuery?

  - by Timothy Reed

  I'm new to jQuery so sorry if this sounds stupid but I'm having truble drilling down to other elemnts. Paticularly I want to fade in the .menu li a:hover class with jquery. .menu { padding:0; margin:0; list-style:none; } .menu li { float:left; margin-left:1px; } .menu li a { display:block; height:44px; line-height:40px; padding:0 5px; float:right; color:#fff; text-decoration:none; font-family:"Palatino Linotype", "Book Antiqua", Palatino, serif; font-size:12px; font-weight:bold; } .menu li a b { text-transform:uppercase; } .menu li a:hover { color:#E4FFC5; background: url(../images/arrow.png) no-repeat center bottom; } .current { background: url(../images/arrow.png) no-repeat center bottom; font-size:16px; font-weight:bold; } .spacer p { display:block; height:44px; line-height:40px; padding:0 5px; float:right; color:#fff; text-decoration:none; font-family:"Palatino Linotype", "Book Antiqua", Palatino, serif; font-size:12px; font-weight:bold; } <ul class="menu"> <li class="current"><a href="index.html">Home</a></li> <li class="spacer"> <p>|</p> </li> <li><a href="#">Mission &amp; Values </a></li> <li class="spacer"> <p>|</p> </li> <li><a href="#">Caregivers</a></li> <li class="spacer"> <p>|</p> </li> <li><a href="#">Special Programs </a></li> <li class="spacer"> <p>|</p> </li> <li><a href="#">Enployment</a></li> <li class="spacer"> <p>|</p> </li> <li><a href="#">Contact</a></li> </ul> <script type="text/javascript"> $(function() { $('a').mouseover(function() { $('.logo').animate ({opacity:'0.6'}, 'normal'); }); $('a').mouseout (function() { $('.logo').animate ({opacity:'1'}, 'normal'); $('.menu li a:hover').fadeIn ('slow'); }); </script>

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• How to make an equation span the whole page / line in LaTeX?

  - by Reed Richards

  I have this equation and it's quite big (basically a FDM one) but it aligns with the text and then continues out on the right side to the nothingness. I've tried stuff like \begin{center} and \hspace*{-2.5cm} but to no avail. I want it to use the whole line not just from the left-margin and out to the right. How do I do it and do I need to install some special package for it? I use the \[ instead of the displaymath like this \[ Equation arrays here \] The code \[ \left( \begin{array}{cccccc} -(2\kappa+\frac{hV\rho}{2}) & (\frac{hV\rho}{2}-\kappa) & 0 & \cdots & 0 \\ -\kappa & -(2\kappa+\frac{hV\rho}{2}) & (\frac{hV\rho}{2}-\kappa) & 0 & \cdots \\ 0 & -\kappa & -(2\kappa+\frac{hV\rho}{2}) & (\frac{hV\rho}{2}-\kappa) & 0 & \cdots \\ \vdots & 0 & \ddots & \vdots \\ \vdots & \vdots & \vdots & -\kappa & -(2\kappa+\frac{hV\rho}{2}) & (\frac{hV\rho}{2}-\kappa) \\ 0 & \vdots & \vdots & 0 & \kappa - \frac{2h\kappa_{v}}{\kappa}(\frac{hv\rho}{2} - \kappa) & -2\kappa \\ \end{array} \right) \left( \begin{array}{c} T_{1} \\ T_{2} \\ \vdots \\ T_{n} \\ \end{array} \right) = \left( \begin{array}{c} Q(0) + \kappa T_{0} \\ Q(h) \\ Q(2h) \\ \vdots \\ Q((n-1)h) \\ 2\frac{\kappa_{v}}{\kappa_{v}}T_{out} \\ \end{array} \right) \]

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• ruby memory leak Gdk::PixbufLoader

  - by Reed Debaets

  So I'm beginning to wonder how leaky the gnome2 libraries for ruby1.8.6 are. #!/usr/bin/env ruby require 'gtk2' while true sleep 0.1 pixbuf = Gdk::PixbufLoader.new pixbuf = nil end this leaks about 16kb/sec according to watch -n 1 ps -o rss -p <process id> This is compounded if you start trying to write a chunk of large chunks of image data to it using pixbuf.last_write img_data Any ideas how to get around this (and the second issue)? I need to update image data within my code but it seems like anything that ends up using a pixbuf leaks like a sieve.

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• Changing resource file in new version of an app

  - by Michael Frost

  Hi, I'm working on an update for an already existing iphone app. The existing version contains a .sql database file which is used in the app. I would like to use a new version of this file in the update of the app. On the first startup of the existing app the .sql file is placed in the caches directory of the users iphone. From what I can understand from Apple's documentation the files in the caches directory might get copied from the old app to the new versions caches directory when the user updates the app. Does this mean that for being sure my new file is used in the updated version I should use a different name of the file? And what happens with the old file? Do I have to manually delete it from inside the app? Which means I have to check if it's there at every startup of the app? Thanks Michael

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• How to control a NSView, located in a dedicated NSWindow, from the main NSWindow designed to support

  - by Michael

  Hi, This is probably a simple problem for the high skilled Cocoa programmers, but I can't find how to control the graph in a separate window. I read carefully the Cocoa related books, go through many web notes,but I can't find a solution to my problem. The purpose is to use a dedicated window to draw the I=F(Vg) curves extracted by the GUI from a specific hardware. All the GUI and the hardware works fine ( thanks to the help provided by several members of stackoverflow) , but no way to send the parameters to the NSView to display the results. So far, the GUI class is based on a NSObject, the graphic class is NSView. Any idea, examples, links will be appreciated. Thank you so much. Michael

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• Matlab postpones disp calls when doing demanding calculations why is that?

  - by Reed Richards

  I am implementing an algorithm in Matlab. Among other things it calculates shortest paths etc. so its quite demanding for my old computer. I've put out disp calls through out the program to see what's happening all the time. However when starting on a particulary heavy for loop the disp seemes not to be called until the loop is over even though it comes before the loop. Why is that? I though that Matlab was really linear or am I just choking it with to many calculations and the disp calls get the lowest priority?

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• Touching an object in a tweened animation?

  - by Michael

  I'm having trouble porting a simple game I developed for the iPhone over to Android. The game has an animated ball which moves from Point A to Point B. The user must touch the ball before it reaches point B or lose the game. This was easy to implement on the iPhone using Core Animation since I could locate the current position of the ball by accessing its animation layer. In Android, I attempted to recreate the game using tweened animation and represented the ball as a Drawable. My issue is that I can't determine if the user is touching the spot because the Drawable apparently bounds do not update as the ball visually moves - making the program think the ball is always in its original position. While searching these forums I saw an Android team dev. confirm that you can't get the current location in a tweened animation but offered no solution for a workaround. Can I accomplish this on the Android using my current approach? If not, what approach should I use? Best regards, Michael

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• WCF service blocked by Windows Firewall

  - by Michael Stoll

  Hi, I've got a WCF service using a HttpBinding. The service is running in a self hosting process (A Windows Service) and this process is inside the Windows Firewall exceptions list. If the Firewall is active and I'm trying to access the service using a C# client or Internet Explorer, the service does not respond. But if the Firewall is disabled the connection works like a charm. Does anyone have expirence with WCF and the Windows Firewall? The problem came up on Windows 7 64bit. I didn't try another OS yet. Regards Michael

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• What kind of Plugin is the New Playstation Share Blog using | Wordpress

  - by Timothy Reed

  Love this feature http://share.blog.us.playstation.com/ Users are able to post requested features and then vote them up or down. Is this a plug-in that can be downloaded? Thanks, Tim

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• Have no idea with python-excel read data file

  - by Protoss Reed

  I am a student and haven't a big expirence to do this work. So problem is next. I have a part of code: import matplotlib.pyplot as plt from pylab import * import cmath def sf(prompt): """ """ error_message = "Value must be integer and greater or equal than zero" while True: val = raw_input(prompt) try: val = float(val) except ValueError: print(error_message) continue if val <= 0: print(error_message) continue return val def petrogen_elements(): """Input and calculations the main parameters for pertogen elements""" print "Please enter Petrogen elements: \r" SiO2 = sf("SiO2: ") Al2O3= sf("Al2O3: ") Na2O = sf("Na2O: ") K2O = sf("K2O: ") petro = [SiO2,TiO2,Al2O3,] Sum = sum(petro) Alcal = Na2O + K2O TypeA lcal= Na2O / K2O Ka= (Na2O + K2O)/ Al2O3 print '-'*20, "\r Alcal: %s \r TypeAlcal: %s \ \r Ka: %s \r" % (Alcal, TypeAlcal,Ka,) petrogen_elements() So the problem is next. I have to load and read excel file and read all data in it. After that program have to calculate for example Alcaline, Type of Alcaline etc. Excel file has only this structure 1 2 3 4 5   1 name1 SiO2 Al2O3 Na2O K2O 2 32 12 0.21 0.1 3 name2 SiO2 Al2O3 Na2O K2O 4 45 8 7.54 5 5 name3 SiO2 Al2O3 Na2O K2O 6. … …. …. … … … All excel file has only 5 columns and unlimited rows. User has choice input data or import excel file. First part of work I have done but it stays a big part Finally I need to read all file and calculate the values. I would be so grateful for some advice

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• Looping through an array to remove a touched object (iPhone/Cocos2d)

  - by Michael Lowe

  I am using cocos2d to build a game. I have an array of CCSprites and I want to be able to touch them and delete the one that was touched. Right now I have this... -(void) spawn { mySprite = [CCSprite spriteWithFile:@"image.png"]; mySprite.position = ccp(positionX,positionY); [myArray addObject:mySprite]; [self addChild:mySprite]; } - (void) ccTouchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch* touch = [touches anyObject]; CGPoint location = [touch locationInView: [touch view]]; NSUInteger i, count = [myArray count]; for (i = 0; i < count; i++) { mySprite = (CCSprite *)[myArray objectAtIndex:i]; if (CGRectContainsPoint([mySprite boundingBox], location)) { [self removeChild:mySprite cleanup:YES]; } } I have never done this before. Does anyone have a solution? Thanks, Michael

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• How to programatically search a PDF document in c#

  - by Nathan Reed

  I have a need to search a pdf file to see if a certin string is present. The string in question is definately encoded as text (ie. it is not an image or anything). I have tried just searching the file as though it was plain text, but this does not work. Is it possible to do this? Are there any librarys out there for .net2.0 that will extract/decode all the text out of pdf file for me?

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• Spring MVC with several configurations

  - by Michael Bulla

  Hello, for my spring-mvc application I created several types of configuration (unittest, integration, qa, production). All the configs are in one war-file, so there is only one type of application I create. Which configuration to take should be decided by the server, where the application is running. To decide what kind of configuration should be used, I have to look into a file. After that I can decide which configuration should be used by spring mvc. For now by convention there is always the -servlet.xml used. Is there a way how to decide dynamically which config to take? Regards, Michael

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• Minimum OS version number, iPhone app

  - by Michael Frost

  Hi all I've built an iPhone app which is live in the app-store. When originally submitting the app it showed up in App Store as requiring iPhone OS 3.1.3. When later updating the app I made sure my settings in Xcode for the target for the app store build had the Base SDK version set to 3.1.3 and the Deployment Target version set to 3.0, however it still shows up in app store as requiring 3.1.3. From what I've understood the Deployment Target version is the one setting the requirement in app store? Or is there any information concerning this that I should have updated in iTunes Connect when submitting the updated app? Thanks, Michael

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• How to create a cell array of k similar objects in Matlab?

  - by Reed Richards

  I want to create an 1,k cell of m,m matrices. I have some trouble trying to initialize it. My first idea was to do this myCell = cell{1,K}; for k = 1:K myCell{1,k} = eye(m); end But it seems like such ugly way to initialize it. There have to be a better way?

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• DRY up Ruby ternary

  - by Reed G. Law

  I often have a situation where I want to do some conditional logic and then return a part of the condition. How can I do this without repeating the part of the condition in the true or false expression? For example: ClassName.method.blank? ? false : ClassName.method Is there any way to avoid repeating ClassName.method? Here is a real-world example: PROFESSIONAL_ROLES.key(self.professional_role).nil? ? 948460516 : PROFESSIONAL_ROLES.key(self.professional_role)

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• Java Null Pointer Exception :-(

  - by John-Michael Reed

  I've got a Null Pointer Exception in my main that just won't go away and I'm totally out of ideas. The error is on the line "Board[x][y].color = 2;" in which Board is a public, static array of piece objects that contain instance variables like the one "color" that is being set to 2 in the above statement. Pieces is not static - that is there are many different copies of pieces, each with its own data, but only one board. The array has been initialized and defined as both public Piece[][] Board = new Piece[8][8] and public static Piece[][] Board = new Piece[8][8], but no matter how I mess around with it (getting rid of static, putting the variable in another object, etc.), I can't seem to get the error to go away. Help?

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• Backtracking Problem

  - by Joshua Green

  Could someone please guide me through backtracking in Prolog-C using the simple example below? Here is my Prolog file: likes( john, mary ). likes( john, emma ). likes( john, ashley ). Here is my C file: #include... term_t tx; term_t tv; term_t goal_term; functor_t goal_functor; int main( int argc, char** argv ) { argv[0] = "libpl.dll"; PL_initialise( argc, argv ); PlCall( "consult( swi( 'plwin.rc' ) )" ); PlCall( "consult( 'likes.pl' )" ); tv = PL_new_term_ref( ); PL_put_atom_chars( tv, "john" ); tx = PL_new_term_ref( ); goal_term = PL_new_term_ref( ); goal_functor = PL_new_functor( PL_new_atom( "likes" ), 2 ); PL_cons_functor( goal_term, goal_functor, tv, tx ); PlQuery q( "likes", ??? ); while ( q.next_solution( ) ) { char* solution; PL_get_atom_chars( tx, &solution ); cout << solution << endl; } PL_halt( PL_toplevel() ? 0 : 1 ); } What should I replace ??? with? Or is this the right approach to get all the backtracking results generated and printed? Thank you,

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• Remove duplicates from a sorted ArrayList while keeping some elements from the duplicates

  - by js82

  Okay at first I thought this would be pretty straightforward. But I can't think of an efficient way to solve this. I figured a brute force way to solve this but that's not very elegant. I have an ArrayList. Contacts is a VO class that has multiple members - name, regions, id. There are duplicates in ArrayList because different regions appear multiple times. The list is sorted by ID. Here is an example: Entry 0 - Name: John Smith; Region: N; ID: 1 Entry 1 - Name: John Smith; Region: MW; ID: 1 Entry 2 - Name: John Smith; Region: S; ID: 1 Entry 3 - Name: Jane Doe; Region: NULL; ID: 2 Entry 4 - Name: Jack Black; Region: N; ID: 3 Entry 6 - Name: Jack Black; Region: MW; ID: 3 Entry 7 - Name: Joe Don; Region: NE; ID: 4 I want to transform the list to below by combining duplicate regions together for the same ID. Therefore, the final list should have only 4 distinct elements with the regions combined. So the output should look like this:- Entry 0 - Name: John Smith; Region: N,MW,S; ID: 1 Entry 1 - Name: Jane Doe; Region: NULL; ID: 2 Entry 2 - Name: Jack Black; Region: N,MW; ID: 3 Entry 3 - Name: Joe Don; Region: NE; ID: 4 What are your thoughts on the optimal way to solve this? I am not looking for actual code but ideas or tips to go about the best way to get it done. Thanks for your time!!!

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• Variable number of two-dimensional arrays into one big array

  - by qlb

  I have a variable number of two-dimensional arrays. The first dimension is variable, the second dimension is constant. i.e.: Object[][] array0 = { {"tim", "sanchez", 34, 175.5, "bla", "blub", "[email protected]"}, {"alice", "smith", 42, 160.0, "la", "bub", "[email protected]"}, ... }; Object[][] array1 = { {"john", "sdfs", 34, 15.5, "a", "bl", "[email protected]"}, {"joe", "smith", 42, 16.0, "a", "bub", "[email protected]"}, ... }; ... Object[][] arrayi = ... I'm generating these arrays with a for-loop: for (int i = 0; i < filter.length; i++) { MyClass c = new MyClass(filter[i]); //data = c.getData(); } Where "filter" is another array which is filled with information that tells "MyClass" how to fill the arrays. "getData()" gives back one of the i number of arrays. Now I just need to have everything in one big two dimensional array. i.e.: Object[][] arrayComplete = { {"tim", "sanchez", 34, 175.5, "bla", "blub", "[email protected]"}, {"alice", "smith", 42, 160.0, "la", "bub", "[email protected]"}, ... {"john", "sdfs", 34, 15.5, "a", "bl", "[email protected]"}, {"joe", "smith", 42, 16.0, "a", "bub", "[email protected]"}, ... ... }; In the end, I need a 2D array to feed my Swing TableModel. Any idea on how to accomplish this? It's blowing my mind right now.

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