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• Web Search API which allows automated queries

  - by Spi1988

  I need to develop a java desktop application which sends queries to a search engine in order to obtain the very first highest ranked pages (Example: the first 4 pages only). Some heavy processing needs to be performed on the retrieved pages, so the time between a query and another won't be less then a minute. I would like to know whether there is any web search API for java, suitable for my situation, i.e. which allows the use of automated queries? (since in my case, the queries are generated programatically, and not through user interaction) I have checked Google's AJAX Search API and also Yahoo's Search Boss, however they only allow queries triggered by direct user interaction.

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• How to merge/crosslink Javadoc?

  - by Tom Wheeler

  If you have the standard Javadoc for a few different projects, how can you process them to create a single unified set of documentation in which everything is cross-linked? Ideally, the result would be similar to the documentation for the various modules in the NetBeans Platform: http://bits.netbeans.org/dev/javadoc/index.html but I've looked at their build scripts and they're predicated on you building everything from source. I'm looking for something which could also handle linking in Javadoc for third-party libraries, so I'd imagine it would need to be a post-processing operation. I can't be the first person to ever want this. Any ideas?

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• How can I get a rails server to use the same databse that cucumber uses during a test?

  - by James

  The cucumber test first makes an entry in the database and posts a form to a second server. This second server does some processing in background and then hits the first app (where the test is being run) with some data that the cucumber test needs to know about. I've tried running the main server via script/server and script/server -e test while the cucumber test is running, but I can't seem to force the server to use the same database that cucumber is using when it runs its step definitions. That is, when the second server pushes some data to a controller in the main server, the main server doesn't know about any entries that cucumber has made in the database. How can I get cucumber and the main server to use the same database?

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• SSI not producing output, not giving error either.

  - by bstullkid

  in the html file: <!--#exec cgi="/cgi-bin/test.pl"--> the perl script: #!/usr/bin/perl print "Content-Type: text/html\n\n"; print "<input type=\"hidden\" name=\"aname\" value=\"avalue\">\n"; print "<img src=\"/cgi-bin/script.pl\" />"; This does not give me an 'error processing directive' error, nor does it output my HTML inplace of the tag. I'll also add that the ssi tag gets replaced with nothing.

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• glReadPixels and save to image

  - by Julius Petraška

  I have app, where user drags and drops image, and it is being redrawn with OpenGL for some aviable processing. Everything works. And when user wants to save his image it works like that: glReadPixels -> NSBitmapImageRep -> NSData -> Write to file This works too. Almost. With some images it is not working as it should work. For example: .png when I open and save this image: I get: And if I open and save this image: I get: .jpg If I open and save: I get: And when I open and save: I get: So sometimes images saves badly. Why is it happening?

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• PowerShell: Read text, regex sort, write output to file and formatting

  - by Bill Hunter

  I am a Powershell novice and have run into a challenge in reading, sorting, and outputting a csv file. The input csv has no headers, the data is as follows: 05/25/2010,18:48:33,Stop,a1usak,10.128.212.212 05/25/2010,18:48:36,Start,q2uhal,10.136.198.231 05/25/2010,18:48:09,Stop,s0upxb,10.136.198.231 I use the following piping construct to read the file, sort and output to a file: (Get-Content d:\vpnData\u62gvpn2.csv) | %{,[regex]::Split($, ",")} | sort @{Expression={$[3]}},@{Expression={$_[1]}} | out-file d:\vpnData\u62gvpn3.csv The new file is written with the following format: 05/25/2010 07:41:57 Stop a0uaar 10.128.196.160 05/25/2010 12:24:24 Start a0uaar 10.136.199.51 05/25/2010 20:00:56 Stop a0uaar 10.136.199.51 What I would like to see in the output file is a similar format to the original input file with comma dilimiters: 05/25/2010,07:41:57,Stop,a0uaar,10.128.196.160 05/25/2010,12:24:24,Start,a0uaar,10.136.199.51 05/25/2010,20:00:56,Stop,a0uaar,10.136.199.51 But I can't quite seem to get there. I'm almost of the mind that I'll have to write another segment to read the newly produced file and reset its contents to the preferred format for further processing. Thoughts?

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• The whole site is blocked while one page is waiting for blocking operation (PHP, ASP.NET). Why?

  - by artvolk

  Good day! I've found interesting behaviour for both LAMP stack and ASP.NET. The scenario: There is page performing task in 2-3 minutes (making HttpWebRequest for ASP.NET and curl for PHP). While this page is processed all other requests to this virtual host from the same browser are not processed (even if I use different browsers from one machine). I use two pages written in PHP and C#. I've tested with Apache+PHP in both mod_php and fast_cgi modes on Windows and Debian. For ASP.NET I use IIS6 (with dedicated app pool for this site and with default app pool) and IIS7 in integrated mode. I know that it is better to use async calls for such things, but I'm just curious why single page blocks the entire site and not only the thread processing the request? Thanks in advance!

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• Newbie Question: Read and Process a List of Text Files

  - by johnv

  I'm completely new to .NET and am trying as a first step to write a text processing program. The task is simple: I have a list of 10,000 text files stored in one folder, and I'm trying to read each one, store it as a string variable, then run it through a series of functions, then save the final output to another folder. So far I can only manage to manually input the file path like this (in VB.NET): Dim tRead As System.IO.StreamReader Public Function ReadFile() As String Dim EntireFile As String tRead = File.OpenText("c:\textexample\00001.txt") EntireFile = tRead.ReadToEnd Return EntireFile End Function Public Function Step1() ..... End Function Public Function Step2() ..... End Function .............. I'm wondering, therefore, if there's a way to automate this process. Perhaps for example store all input file path into a text file then read each entry at a time, then save the final output into the save path, again listed in a text file. Any help is greatly appreciated. ReplyQuote

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• fetch only first row from oracle - is it faster?

  - by john

  My main goal with this question is optimization and faster run time. After doing lot of processing in the Stored Proc I finally return a count like below: OPEN cv_1 FOR SELECT COUNT(*) num_of_members FROM HOUSEHOLD_MEMBER a, HOUSEHOLD b WHERE RTRIM(LTRIM(a.mbr_last_name)) LIKE v_MBR_LAST_NAME || '%' AND a.number = '01' AND a.code = v_CODE AND a.ssn_head = v_SSN_HEAD AND TO_CHAR( a.mbr_dob, 'MM/DD/YYYY') = v_DOB; But in my code that is calling the SP does not need the actual count. It just cares that count is greater than 1. Question: How can I change this to return just 1 or 0. 1 when count is 0 and 0 when count 1. Will it be faster to do this rather than returning the whole count?

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• Algorithm to match natural text in mail

  - by snøreven

  I need to separate natural, coherent text/sentences in emails from lists, signatures, greetings and so on before further processing. example: Hi tom, last monday we did bla bla, lore Lorem ipsum dolor sit amet, consectetur adipisici elit, sed eiusmod tempor incidunt ut labore et dolore magna aliqua. list item 2 list item 3 list item 3 Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquid x ea commodi consequat. Quis aute iure reprehenderit in voluptate velit regards, K. ---line-of-funny-characters-####### example inc. 33 evil street, london mobile: 00 234534/234345 Ideally the algorithm would match only the bold parts. Is there any recommended approach - or are there even existing algorithms for that problem? Should I try approximate regular expressions or more statistical stuff based on number of punctation marks, length and so on?

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• Errors detected when loading a vim plugin from .vimrc

  - by Tejinder

  I have installed vim 7.3 on debian system along with some vimrc i have downloaded from internet. It used to work fine on my other debian machine but here i get these error messages while i load the vim editor. Here are the errors: Error detected while processing /home/tejinder/.vim/plugin/gundo.vim: line 196: E319: Sorry, the command is not available in this version: python << ENDPYTHON line 197: E492: Not an editor command: def asciiedges(seen, rev, parents): line 199: E121: Undefined variable: rev E15: Invalid expression: rev not in seen: line 221: E133: :return not inside a function line 231: E133: :return not inside a function line 233: E133: :return not inside a function line 235: E133: :return not inside a function line 238: E690: Missing "in" after :for line 347: E690: Missing "in" after :for line 356: E690: Missing "in" after :for line 453: E690: Missing "in" after :for line 464: E690: Missing "in" after :for line 469: E133: :return not inside a function line 795: E170: Missing :endfor Press ENTER or type command to continue If anyone could figure out thats going on, please guide me. Thanks a lot. Here is vimrc source: https://github.com/mitsuhiko/dotfiles/tree/master/vim

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• Virtual and Physical Memory / OutOfMemoryException

  - by user417518

  Hi, I am working on a 64-bit .Net Windows Service application that essentially loads up a bunch of data for processing. While performing data volume testing, we were able to overwhelm the process and it threw an OutOfMemoryException (I do not have any performance statistics on the process when it failed.) I have a hard time believing that the process requested a chunk of memory that would have exceeded the allowable address space for the process since its running on a 64-bit machine. I do know that the process is running on a machine that is consistently in the neighborhood of 80%-90% physical memory usage. My question is: Can the CLR throw an OutOfMemoryException if the machine is critically low on available physical memory even though the process wouldn't exceed it's allowable amount of virtual memory? Thanks for your help!

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• Using delayed_job to process file uploads across multiple servers

  - by Steve Klabnik

  Does anyone have any good resources on how to do this? Basically, I'm working on a project (in Rails) where people can upload files. They might be big. I'd like to process them using delayed_job before sending them to S3. I'd also like to do this processing on a separate job queue server, rather than on the webserver itself. I'd rather not have to upload the files to the webserver, then transfer them to the job queue server, and then upload them to S3 if I don't have to. Thanks.

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• MYSQL and the LIMIT clause

  - by Lizard

  I was wondering if adding a LIMIT 1 to a query would speed up the processing? For example... I have a query that will most of the time return 1 result, but will occasionaly return 10's, 100's or even 1000's of records. But I will only ever want the first record. Would the limit 1 speed things up or make no difference? I know I could use GROUP BY to return 1 result but that would just add more computation. Any thoughts gladly accepted! Thanks

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• asp.net Configuration Error on host

  - by zey

  I uploaded my asp.net site to hosting site , and my site browse correctly . But when I go to login url , it's show me the error Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS. Source Error: Line 23: </assemblies> Line 24: </compilation> Line 25: <authentication mode="Forms"> Line 26: <forms loginUrl="~/Account/Login.aspx" timeout="2880" /> Line 27: </authentication> How can I fix it ?

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• SmartGWT Server File Browser

  - by jluzwick

  Hi All: I have been looking for a SmartGWT example that would show me how to build a File Browser widget that takes the files from the local server's root directory. The user would be shown the files through the browser which they could then select to perform some processing operations. So far I have thought of using SmartGWT's Tree-Data Binding-Load from Local Data Widget and then grabbing a list of the directories using: new File("\").listFiles(); My Question is: Is there a better way to do this? Has someone already thought of this and has an example of their code that I can see? PS: I'm fairly new to GWT and Web Services but fairly competent with Java. If you believe there is a better way to do this (while still doing this through the web and not using Applets, please tell me). Thanks

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• A good approach to db planing for reporting service

  - by Itay Moav

  The scenario: Big system (~200 tables). 60,000 users. Complex reports that will require me to do multiple queries for each report and even those will be complex queries with inner queries all over the place + some processing in PHP. I have seen an approach, which I am not sure about: Having one centralized, de-normalized, table that registers any activity in the system which is reportable. This table will hold mostly foreign keys, so she should be fairly compact and fast. So, for example (My system is a virtual learning management system), A user enrolls to course, the table stores the user id, date, course id, organization id, activity type (enrollment). Of course I also store this data in a normalized DB, which the actual application uses. Pros I see: easy, maintainable queries and code to process data and fast retrieval. Cons: there is a danger of the de-normalized table to be out of sync with the real DB. Is this approach worth considering, or (preferably from experience) is total $#%#%t?

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• routing map a action controller

  - by Luca Romagnoli

  Hi i have a controller named "places" with some action like "view", "new", "create" When a user try to launch mysite.com/places i want that is execute the action show of a another controller called "cores" so in the routes.rb file i've put this: map.connect '/:id/show', :controller => "cores", :action => "show" But it doesn't work. I receive this error: Processing PlacesController#show (for 127.0.0.1 at 2010-04-16 00:52:07) [GET] ActionController::UnknownAction (No action responded to show. Actions: admin_denied, admin_required, auto_complete_for_location, auto_complete_for_name, change_location, create, create_facebook_session, create_facebook_session_with_secret, edit, exist, facebook_params, facebook_session, facebook_session_expired, facebook_session_parameters, get_form, is_admin?, new, one_or_true, redirect_to, render_publisher_error, render_publisher_interface, render_publisher_response, set_facebook_session, top_redirect_to, update, wants_interface?, and zero_or_false): How can i do to map that action in another controller? thanks

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• Should XML be used server-side, and JSON client-side?

  - by Michel Carroll

  As a personal project, I'm making an AJAX chatroom application using XML as a server-side storage, and JSON for client-side processing. Here's how it works: AJAX Request gets sent to PHP using GET (chat messages/logins/logouts) PHP fetches/modifies the XML file on the server PHP encodes the XML into JSON, and sends back JSON response Javascript handles JSON information (chat messages/logins/logouts) I want to eventually make this a larger-scale chatroom application. Therefore, I want to make sure it's fast and efficient. Was this a bad design choice? In this case, is switching between XML and JSON ok, or is there a better way?

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• Inlines in Django Admin

  - by Oli

  I have two models, Order and UserProfile. Each Order has a ForeignKey to UserProfile, to associate it with that user. On the django admin page for each Order, I'd like to display the UserProfile associated with it, for easy processing of information. I have tried inlines: class UserInline(admin.TabularInline): model = UserProfile class ValuationRequestAdmin(admin.ModelAdmin): list_display = ('address1', 'address2', 'town', 'date_added') list_filter = ('town', 'date_added') ordering = ('-date_updated',) inlines = [ UserInline, ] But it complains that UserProfile "has no ForeignKey to" Order - which it doesn't, it's the other way around. Is there a way to do what I want?

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• Selecting an area from displayed image using CImg library

  - by sravan

  hi all, i use CImg for my image processing work. I had written a small piece of code which is follows: #include "../CImg.h" #include <iostream> using namespace std; using namespace cimg_library; int main(int argc,char**argv) { CImg<int> img(argv[1]); CImgDisplay disp; disp.assign(img); while(!disp.is_closed) disp.wait(); return 0; } Now i want to select an area from the displayed image. Can some one tell me how to select an area from displayed image and store the selected pixels, and display the selected region in different display window. If some one can provide code, it will be of great help to me. Thank you all

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• Using a Resource as an Attribute to a HTML Element in ASP.net

  - by Michael Stum

  I would like to have this piece of code in my .aspx file: <input class="ms-ButtonHeightWidth" type="button" name="BtnOK" id="Button2" value="Close" onclick="javascript:HandleOKButtonClick()" accesskey="<%$Resources:wss,okbutton_accesskey%>" /> Unfortunately, ASP.net doesn't seem to like that: An error occurred during the processing of /_layouts/MyPage/Info.aspx. Literal expressions like '<%$Resources:wss,okbutton_accesskey%>' are not allowed. Use <asp:Literal runat="server" Text="<%$Resources:wss,okbutton_accesskey%>" /> instead That doesn't work in this situation as that would mean nesting the Literal between the quotes of the accesskey attribute, which causes a "The tag contains duplicate 'ID' attributes" error. Is there a way to use a string from a resource without having to change the input to an asp:Button? I guess there has to be a way using <%=, but I don't know how I would address the resource itself?

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• Turning a refresh ImageView into a ProgressBar

  - by Macarse

  I am doing a custom title for my android app and I want to have a refresh button like the Twitter app. I am using a RelativeLayout an my ImageView is defined by: <ImageView android:id="@+id/title_refresh" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/ic_menu_refresh" android:layout_alignParentRight="true"> </ImageView> In my Activity I have something like this: refreshView = (ImageView) findViewById(R.id.title_refresh); refreshView.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { /* Make the refreshView turn into a progress bar. */ startService(new Intent(MyActivity.this, MyService.class)); } } I would like the ImageView to turn into a ProgressBar while I wait for my service to finish processing. How is the correct way to do this?

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• "Streaming" MJPG using python.

  - by tyler

  I have a webcam that I want to do some image processing on using Python. It's coming through as a Motion-JPEG. I want to try to process the stuff "live," but really what I want to do is this: Open the URL, start data streaming to some buffer... Read x bytes (where x is image size) to an image Process that image Display in result panel Return to number 2 The problem is that, while I do have the resolution, I have no idea how many bytes to read. I've tried googling the M-JPEG specification but can't find anything on if the images are separated by some header or what. Anybody have any ideas?

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• Reading from a file not line-by-line

  - by MadH

  Assigning a QTextStream to a QFile and reading it line-by-line is easy and works fine, but I wonder if the performance can be inreased by first storing the file in memory and then processing it line-by-line. Using FileMon from sysinternals, I've encountered that the file is read in chunks of 16KB and since the files I've to process are not that big (~2MB, but many!), loading them into memory would be a nice thing to try. Any ideas how can I do so? QFile is inhereted from QIODevice, which allows me to ReadAll() it into QByteArray, but how to proceed then and divide it into lines?

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