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• process all links but external ones (ruby + mechanize)

  - by Radek

  I want to process all links but external ones from the whole web site. Is there any easy way how to identify that the link is external and skip it? My code looks so far like (the site url is passed through command line argument require 'mechanize' def process_page(page) puts puts page.title STDIN.gets page.links.each do |link| process_page($agent.get(link.href)) end end $agent = WWW::Mechanize.new $agent.user_agent = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.1.4) Gecko/20091016 Firefox/3.5.4' process_page($agent.get(ARGV[0]))

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• Zend Framework Handle One to Many

  - by user192344

  I have 2 tables "user", "contact", the relation between two tables is one user has many contact Table member m_id name ------------ Table Contact c_id c_m_id value in zend model class, i do it in this way /* Member.php */ class Default_Model_DbTable_Member extends Zend_Db_Table_Abstract { protected $_name = 'member'; protected $_dependentTables = array('Default_Model_DbTable_Contact'); } /* Contact.php */ class Default_Model_DbTable_Contact extends Zend_Db_Table_Abstract { protected $_name = 'contact'; protected $_referenceMap = array( 'Member' => array( 'columns'=> array('c_id'), 'refTableClass'=> 'Default_Model_DbTable_Member', 'refColumns'=> array('c_m_id') ) ); /* IndexController.php */ class IndexController extends Zend_Controller_Action { public function indexAction() { $m= new Default_Model_DbTable_Member(); $row = $m->find(1); $data = $row->current(); $data = $data->findDependentRowset('Default_Model_DbTable_Contact'); print_r($data->toArray()); } } But i just get Invalid parameter number: no parameters were bound , my goal is to search a member detail record, and it also contains a array which store all contact info (i can use join method to do that, but i just want to try zend feature)

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• Json Object to a Multidimensional C# Array?

  - by Nick Brooks

  Is there a way to convert a Json Object to a Multidimensional C# Array? I know it might be impractical but I can't be bothered to write classes and then deserialize the strings into them. List<string> ohyeah = (List<string>)JsonConvert.DeserializeObject(g.CommToken); That returns an Invalid Cast exception! Example: {"method":"getCommunicationToken","header":{"uuid":"9B39AAB0-49A6-AC7A-BA74-DE9DA66C62B7","clientRevision":"20100323.02","session":"c0d3e8b5d661f74c68ad72af17aeb5a1","client":"gslite"},"parameters":{"secretKey":"d9b687fa10c927f102cde9c085f9377f"}} I need to get something like that : j["method"]; //This will equal to getCommunicationToken j["header"]["uuid"]; //This will equal to 9B39AAB0-49A6-AC7A-BA74-DE9DA66C62B7 I literally need to parse the json object into an array.

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• Generate Permutations of a List

  - by Eric Mercer

  I'm writing a function that takes a list and returns a list of permutations of the argument. I know how to do it by using a function that removes an element and then recursively use that function to generate all permutations. I now have a problem where I want to use the following function: (define (insert-everywhere item lst) (define (helper item L1 L2) (if (null? L2) (cons (append L1 (cons item '())) '()) (cons (append L1 (cons item L2)) (helper item (append L1 (cons (car L2) '())) (cdr L2))))) (helper item '() lst)) This function will insert the item into every possible location of the list, like the following: (insert-everywhere 1 '(a b)) will get: '((1 a b) (a 1 b) (a b 1)) How would I use this function to get all permutations of a list? I now have: (define (permutations lst) (if (null? lst) '() (insert-helper (car lst) (permutations (cdr lst))))) (define (insert-helper item lst) (cond ((null? lst) '()) (else (append (insert-everywhere item (car lst)) (insert-helper item (cdr lst)))))) but doing (permutations '(1 2 3)) just returns the empty list '().

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• testing an in app purchase??

  - by hemant

  i developed a application with in app purchases..when user buys the subscription it gets stored on my server..after testing it few times i deleted the data from server to test it again but when i buy it the sandbox environment says u you already purchased this.TAP OK to download it again for free also i have used this test account on my previous application?? does it means i will have to create a new test account for this application?? also by mistake i used this account on apple store..i read somewhere that doing this will make your test account invalid...is it true?? should i create a new account for it??

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• SQL Server 2008 Stored Procedure

  - by user238319

  I cannot store the date data type variables using stored procedure. My code is: ALTER PROCEDURE [dbo].[Access1Register] -- Add the parameters for the stored procedure here @MobileNumber int, @CitizenName varchar(50), @Dob char(8), @VerificationCode int AS BEGIN -- SET NOCOUNT ON added to prevent extra result sets from -- interfering with SELECT statements. SET NOCOUNT ON; -- Insert statements for procedure here select CAST(@dob As DATE) Insert Into Access1 (MobileNo,CitizenName,Dob,VerificationCode) values(@MobileNumber,@CitizenName,@Dob,@VerificationCode) go If I exec this procedure it is executing, but there is an error occured in the date type variable. It's raising the error as invalid item '-'.

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• Get Relative Path to Linked Resource in C#

  - by Jason

  I have a number of linked resources (text files in this case) in a C# project I am working on. I know the resources are linked via relative path in the Resources file. Is there any way to get that relative path from within the C# code? If there isn't, what I am trying to do is to pass that resources file to an external application as a commandline argument. If I can't do it the first way (which would obviously be the easiest) any other suggestions would be much appreciated. Thanks!

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• Error 2908 when installing assemblies into GAC

  - by yfrolov

  Hi, I'm receiving 2908 (0x80131047: The given assembly name or code-base is invalid) error when running my MSI package. The problem occures when the MSI tries to deploy a component with .NET assembly into a GAC. NOTE: only assemblies with dependencies fail. The MSI is created with IS 2010. I am able to deploy the assembly manually with GACUTIL. I verified .NET Framework (all versions upto 3,5)is installed. I verified assembly properties are identical with MsiAssemblyName table properties. However, somehow I had made the installation working fine before. But when the product was moved to Visual Studio 2008 and .NET 3.0 I started facing the problem. Do you guys have any thought on this. Any ideas are appreciated. Thanks much!

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• Howto disable the emacs site-start files permanently?

  - by elemakil

  When solving this problem I figured out that I need to disable the site-wise init files in order to get my emacs + CEDET running (everything works nicely when starting emacs using emacs --no-site-file but is broken without the additional argument). I'd like to disable the site-wise init files permanently but as I'm using several different approaches/methods when launching emacs (launcher/panel/terminal) I don't think aliasing it in my .zshrc won't work. I require a method to permanently disable all site-start files. Is there any easy way to achieve this? Thanks!

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• Unable to type cast <AnonymousType#1> to <WindowsFormsApplication1.Attributes> [ C#3.0 ]

  - by Newbie

  I have List<Attributes> la = new List<Attributes>(); la = (from t in result let t1 = t.AttributeCollection from t2 in t1 where t2.AttributeCode.Equals(attributeType) let t3 = t2.TimeSeriesData from k in t3.ToList() where k.Key.Equals(startDate) && k.Key.Equals(endDate) select new { AttributeCode = attributeType, TimeSeriesData = fn(k.Key, k.Value.ToString()) }).ToList<Attributes>(); I am getting the error: 'System.Collections.Generic.IEnumerable<AnonymousType#1>' does not contain a definition for 'ToList' and the best extension method overload 'System.Linq.Enumerable.ToList<TSource>(System.Collections.Generic.IEnumerable<TSource>)' has some invalid arguments I understood tye error meaning but how to type cast it. I have used var and then iterating over it got the result. But without that any other way by which I can do it? Using C# 3.0 Thanks

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• C# dll import function correctly

  - by poco

  I am trying to import a function from a c dll into C#. The c function looks like this unsigned short write_buffer( unsigned short device_number, unsigned short word_count, unsigned long buffer_link, unsigned short* buffer) my attempt at a C# import looks like this [DllImport("sslib32.dll", CharSet = CharSet.Ansi, SetLastError = true)] private static extern ushort write_buffer(ushort deviceNumber, ushort wordCount, UInt32 bufferLink, IntPtr buffer) In C# i have a Dictionary of messages that i would like to pass to this function. The Dictionary looks like this: Dictionary<string, List<ushort>> msgs I am a bit confused how to make a make a proper call to pass msgs as the buffer. deviceNumber is 2, wordCount is 32, and buffLink is 0. So i know the call should look something like this write_buffer(2,32,0, msgs[key]); Obviously i am getting an invalid argument for the IntPtr. What is the proper way to make this call?

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• Mathematica & J/Link: Memory Constraints?

  - by D-Bug

  I am doing a computing-intensive benchmark using Mathematica and its J/Link Java interface. The benchmark grinds to a halt if a memory footprint of about 320 MB is reached, since this seems to be the limit and the garbage collector needs more and more time and will eventually fail. The Mathematica function ReinstallJava takes the argument command line. I tried to do ReinstallJava[CommandLine -> "java -Xmx2000m ..."] but Mathematica seems to ignore the -Xmx option completely. How can I set the -Xmx memory option for my java program? Where does the limit of 320 MB come from? Any help would be greatly appreciated.

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• Problem generating GET url

  - by Bruce

  I am working on Java. I am calling a GET url on my own machine using Java. Here is the url string with the arguments. listen.executeUrl("http://localhost/post_message.php?query_string="+str); I am taking str as user input. BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); System.out.print("Enter query: "); str = br.readLine(); How do I encode str into GET argument. For eg. str -> test query url -> http://localhost/post_message.php?query_string=test%20query

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• c++: use a #define in printf?

  - by John

  I was wanting to use a constant of some kind for the application ID (so I can use it in printf). I had this: #define _APPID_ "Hello World!" And then the simple printf, calling it into %s (string). It put this out: simple.cpp:32: error: cannot convert ‘_IO_FILE*’ to ‘const char*’ for argument ‘1’ to ‘int printf(const char*, ...)’ What would I use to define the application ID to use in printf? I tried: static const char _APPID_[] = "Hello World"` but it didn't work, same error I think.

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• crtmqm give no response

  - by Willy

  Hi all, I try to create a WebSphere queue manager in production env. Before this I manage to create the queue manager in the development env with no problem. I'm using this script to create the queue manager: crtmqm -u SYSTEM.DEAD.LETTER.QUEUE test1.qm But it give no response (no error or success message). When I try to start the queue manager (strmqm test1.qm) it give "AMQ8118: WebSphere MQ queue manager does not exist." Then I notice lots of strange thing that supposed not happen: I can run the "crtmqm -u SYSTEM.DEAD.LETTER.QUEUE test1.qm" several times without any error I can just type crtmqm and got no response I can type crtmqm -y (which is not possible since there is no -y argument) and still no response Can anyone tell me what is wrong?

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• Array::ConvertAll in managed C++

  - by danny.lesnik

  This is a continuation from this post. I'm trying to parse this string in managed C++: String ^ rgba = "[0.09019608,0.5176471,0.9058824,1]"; cli::array<System::Double> ^ RGB = System::Array::ConvertAll<String,cli::array<System::Double> >((rgba->Substring(1,rgba->Length-2)->Split(',')),double::Parse); Compiler throws me the following error: Error 15 error C2770: invalid explicit generic argument(s) for 'cli::array<Type,dimension> ^System::Array::ConvertAll(cli::array<TInput,1> ^,System::Converter<TInput,TOutput> ^)' What am I doing wrong?

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• How to protect against GHC7 compiled programs taking all memory?

  - by Petr Pudlák

  When playing with various algorithms in Haskell it often happens to me that I create a program with a memory leak, as it often happens with lazy evaluation. The program taking all the memory isn't really fun, I often have difficulty killing it if I realize it too late. When using GHC6 I simply had export GHCRTS='-M384m' in my .bashrc. But in GHC7 they added a security measure that unless a program is compiled with -rtsopts, it simply fails when it is given any RTS option either on a command line argument or in GHCRTS. Unfortunately, almost no Haskell programs are compiled with this flag, so setting this variable makes everything to fail (as I discovered in After upgrading to GHC7, all programs suddenly fail saying "Most RTS options are disabled. Link with -rtsopts to enable them."). Any ideas how to make any use of GHCRTS with GHC7, or another convenient way how to prevent my programs taking all memory?

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• How can I pass Arguments to a C++ program started by the Registry?

  - by Y_Y

  Hello, I'm creating a Win32 program that will be executed every time the computer turns on. I manage to do this by adding the .exe path into the registry. The problem is; I want to make the program appear minimized in the system tray when the computer is turned on but if I double click it [after the computer turns on and the program is not currently running] the program should appear on its normal [maximized] size. Question, I was thinking on whether is was possible to pass an argument to the program when the program is executed from the registry. Is this possible? If yes/no, how would I manage to do this? (Using windows XP) Thanks.

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• Converting a C# code to F#??

  - by Brendon

  Hello all I am just a beginner in programing i wish covert some code from C# to F#, I have encotered this code: float[] v1=new float[10]; ... //Enqueue the Execute command. Queue.Execute(kernelVecSum, null, **new long[] { v1.Length }**, null, null); I have previously ask how to convert the v1 object, I think i know how, But how do i use the function call especially the "new long[] { v1.Length }" part of the function argument, what does "new long[] { v1.Length }" mean?? I have created v1 like this "let v1 = [| for i in 1.0 .. 10.0 -> 2.0 * i |]" Is it correct?? or should i use v1 like this "let v1 = ref [| for i in 1.0 .. 10.0 -> 2.0 * i |]" ???

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• Howt to tar.gz for JCore CMS

  - by Pathic

  I use JCore CMS, I create 1 template and compress folder with 7-zip to be tar.gz and I upload it then message appear, "Template couldn't be extracted! Error: Invalid template! Please make sure to upload a valid tar.gz template file." "There were problems uploading some of the templates you selected. The following templates couldn't be uploaded: blog.tar.gz." How can I create compressed file with format JCore CMS ? Thanks for advance. pathic myee.web.id

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• Is it possible to start an activity from a regular java class?

  - by Yotam

  In my ActionBarSherlock I have the same menu items for all activities, so it seems unwise to define onClick handlers in each activity - they all do the same. Instead I created a class called MyClickListener that implements com.actionbarsherlock.view.MenuItem.OnMenuItemClickListener, and in there I have a simple switch block that starts the appropriate activity. Problem is that Intent constructor's first argument is of type Context, and even when I pass this to MyClickListener's constructor, I can't start any activity. The same goes for every method that has a Context object as a parameter. Is there a way to work around it? What is a context object? Thanks

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• haskell sorting

  - by snorlaks

  Hello, How can it be done in most simply way to write (or maybe there is something embedded in haskell) function which takse as arguments list of tuples (String, Int) and Int x and return top x tuples as list according to x value. I wonder if its possible to write a function which also takes 3 argument which is the name of (or index) of filed in tuple according to which sorting has to be done. What are best solutions to make it quite generic, Im new to haskell I would do somethink like that in imperative languages without any problems but I want to know how to write it in quite good way in haskell, thanks for help

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• Regular Expression; Find whether a line contains any word with more than X characters.

  - by Simpsoid

  Hi, I am trying to use a Validator on a ASP.NET site and need to find whether the Street Address textbox contains a valid entry. Entries with words that are longer than X characters (in this case 25, with no punctuation or spaces) will cause the HTML on a printed A4 page to not wrap properly and therefore not to confrom to certain sizes correctly pushing the margins off. For a street address I want to match that something like "201 Long Road" is valid but "235 ReallyLongAndNarrowWindingRoadBesideTheRiver Street" is invalid. Using a Microsoft .Net Regular Expression Validator I need to know what the RegEx pattern might be. I think if it does find a match the Validator will fire correctly however if there is no match the Validator won't fire and the Update button (in this case) won't fire. Since Street addresses can contain Capital Letters and numbers etc. it will need to accomodate for that and also Spaces, Commas, Semi-Colons and Colons and Hyphens are valid characters too. Any help would be greatly appreciated as I am really stuck with this problem. Thanks, David

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• How to move file pointer to a particular location using fseek()?

  - by Noge

  My intention is to read every elements in the 2nd column into a buffer[] from the following .txt file: 9992891234 09.920 15.771 11.909 9992345971 07.892 12.234 09.234 9992348971 64.567 70.456 50.987 9992348231 89.234 85.890 58.982 I have know of a way to do it by using fscanf(): for (int i=0;i<4;i++) { fscanf(pFile, "%lld", &junk); fscanf(pFile, "%f", &buffer[i]); fscanf(pFile, "%f", &junk); fscanf(pFile, "%f", &junk); } However, since I'm doing parallel programing which requires me to use different Windows Threads to read different columns, so I'll need to read the elements in the 2nd column directly using fseek(). The question here is, what should I put in the 2nd argument in fseek() in the code below to move my file pointer to read the 2nd element of the 2nd line? fscanf(pFile, "%llf", &junk);//<------this is used to skip the 1st data for (int i=0;i<4;i++) { fscanf(pFile, "%f", &buffer[i]); fseek ( pFile , ??, SEEK_CUR );//<----how do I calculate this offset? }

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• How to get Path Separator in Perl?

  - by ram

  In case of Java, we can get the path separator using System.getProperty("path.separator"); Is there a similar way in Perl? All I want to do is to find a dir, immediate sub directory. Say I am being given two argumens $a and $b; I am splitting the first one based on the path separator and joining it again except the last fragment and comparing with the second argument. The problem is my code has to be generic and for that I need to know whats the system dependent path separator is? Could you help if there is any way to get it? TIA

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