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• Problem with Sphinx resultset larger than 16 MB in MySQL

  - by gmemon

  Hello All, I am accessing a large indexed text dataset using sphinxse via MySQL. The size of resultset is on the order of gigabytes. However, I have noticed that MySQL stops the query with following error whenever the dataset is larger than 16MB: 1430 (HY000): There was a problem processing the query on the foreign data source. Data source error: bad searchd response length (length=16777523) length shows the length of resultset that offended MySQL. I have tried the same query with Sphinx's standalone search program. It works fine. I have tried all possible variables in both MySQL and Sphinx, but nothing is helping. I am using Sphinx 0.9.9 rc-2 and MySQL 5.1.46. Thanks

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• Create fulltext index on a VIEW

  - by kylex

  Is it possible to create a full text index on a VIEW? If so, given two columns column1 and column2 on a VIEW, what is the SQL to get this done? The reason I'd like to do this is I have two very large tables, where I need to do a FULLTEXT search of a single column on each table and combine the results. The results need to be ordered as a single unit. Suggestions? EDIT: This was my attempt at creating a UNION and ordering by each statements scoring. (SELECT a_name AS name, MATCH(a_name) AGAINST('$keyword') as ascore FROM a WHERE MATCH a_name AGAINST('$keyword')) UNION (SELECT s_name AS name,MATCH(s_name) AGAINST('$keyword') as sscore FROM s WHERE MATCH s_name AGAINST('$keyword')) ORDER BY (ascore + sscore) ASC sscore was not recognized.

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• Deferring signal handling in Linux

  - by EpsilonVector

  I'm trying to figure out how to block a signal in Linux kernel 2.4 (user space) from invoking its handler, but keep it available to be handled later, preferably as soon as I re activate the handling of said signal. The function sigprocmask seem to come up in all my search results, but I can't find a good, clear description that explains whether the blocked signal gets "saved" to be handled later, and if so where and how do I handle it when I'm ready for it. Can someone please clarify what's going on, preferably with a code example? Thanks in advance.

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• How to find an available port?

  - by Roman

  I want to start a server which listen to a port. I can specify port explicitly and it works. But I would like to find a port in an automatic way. In this respect I have two questions. In which range of port numbers should I search for? (I used ports 12345, 12346, and 12347 and it was fine). How can I find out if a given port is not occupied by another software?

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• App only spawns one thread

  - by tipu

  I have what I thought was a thread-friendly app, and after doing some output I've concluded that of the 15 threads I am attempting to run, only one does. I have if __name__ == "__main__": fhf = FileHandlerFactory() tweet_manager = TweetManager("C:/Documents and Settings/Administrator/My Documents/My Dropbox/workspace/trie/Tweet Search Engine/data/partitioned_raw_tweets/raw_tweets.txt.001") start = time.time() for i in range(15): Indexer(tweet_manager, fhf).start() Then in my thread-entry point, I do def run(self): print(threading.current_thread()) self.index() That results in this: <Indexer(Thread-3, started 1168)> So of 15 threads that I thought were running, I'm only running one. Any idea as to why? Edit: code

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• Python try/except: Showing the cause of the error after displaying my variables

  - by NealWalters

  I'm not even sure what the right words are to search for. I want to display parts of the error object in an except block (similar to the err object in VBScript, which has Err.Number and Err.Description). For example, I want to show the values of my variables, then show the exact error. Clearly, I am causing a divided-by-zero error below, but how can I print that fact? try: x = 0 y = 1 z = y / x z = z + 1 print "z=%d" % (z) except: print "Values at Exception: x=%d y=%d " % (x,y) print "The error was on line ..." print "The reason for the error was ..."

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• How to make Inno Setup ignore the hidden attribute while searching for files?

  - by andi

  I have to copy into the installer folders containing hidden files (in my case Desktop.ini). I use a line similar to this one in the [Files] section: Source: "folder\*desktop.ini"; DestDir: "{app}\folder"; Flags: recursesubdirs uninsneveruninstall; Attribs: hidden This line only works if I remove the hidden attributes. If all are hidden, it complains that it could not find any files. How can I configure Inno to search for hidden files using patterns?

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• Display a MYSQL field using CAKE

  - by adam

  Forgive me if this is a "homework" question. We have a "Rating" table in our mysql db. I want to display this number on our user profile page. JUST BELOW THE GRAVATAR. here is the code in app/views/user/view.ctp <div class="nhplft"> flash(); ? ?d=identicon&s=100" border="0" alt="My Avatar! UID:" / Change Image link("Home",'/items'); ?  |  link('Add',array('controller' = 'items','action'='add')); ?  |  link('Search',array('controller'='items','action'='index')); ?  |  link("Logout",'/users/logout'); } ?

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• problem convert idl to tbl

  - by Bahgat Mashaly

  i try to get a selected text and the word under mouse in firefox after a lot of search i get the solution that i must access a document's HTML in Firefox using IAccessible i found that solution in c++ in this link How to access a document's HTML in Firefox using IAccessible the solution use ISimpleDOMNode.idl file so the first step to convert that solution from c++ to c# is convert ISimpleDOMNode.idl to tlb file and convert tlb to dll fill i try to use VS Command Prompt with this command to convert to tlb file midl ISimpleDOMNode.idl but That generate ISimpleDOMNode.h and ISimpleDOMDocument.h, which define the interfaces. It also create ISimpleDOMNode_i.c and ISimpleDOMDocument_i.c but there is no tlb file what is the wrong ?

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• Performance optimization for SQL Server: decrease stored procedures execution time or unload the ser

  - by tim

  We have a web service which provides search over hotels. There is a problem with performance: a single request to the service takes around 5000 ms. Almost all of the time is spent in database by executing storing procedures. During the request our server (mssql2008) consumes ~90% of the processor time. When 2 requests are made in parallel the average time grows and is around 7000 ms. When number of request is increasing, the average time of response is increasing as well. We have 20-30 requests per minute. Which kind of optimization is the best in this case having in mind that the goal is to provide stable response time for the service: 1) Try to decrease the stored procedures execution time 2) Try to find the way how to unload the server It is interesting to hear from people who deal with booking sites.

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• st-ordering library function?

  - by chang

  I'm in the search for an implementation of an ear-decomposition algorithm (http://www.ics.uci.edu/~eppstein/junkyard/euler/ear.html). I examined networkx and didn't find one. Although the algorithm layout is vaguely in my mind, I'd like to see some reference implementation, too. Side problem: First step could be an st-ordering of a graph. Are there any implementations for st-ordering algorithms you know? Thanks for your input. I'd really like to contribute e.g. to networkx by implementing the ear-decomposition algorithm in python.

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• CakePHP: How do I order results based on a 2-level deep association model?

  - by KcYxA

  I'm hoping I won't need to resort to custom queries. A related question would be: how do I retrieve data so that if an associated model is empty, no record is retrieved at all, as opposed to an empty array for an associated model? As an oversimplified example, say I have the following models: City -- Street -- House How do I sort City results by House numbers? How do I retrieve City restuls that have at least one House in it? I don't want a record with a city name and details and an empty House array as it messes up pagination results. CakePHP retrieves House records belonging to the Street in a separate query, so putting somthing like 'House.number DESC' into the 'order' field of the search query returns a 'field does not exist' error. Any ideas?

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• Redirects in RoR: Which one to use?

  - by scrr

  Hello, we are making a website that takes a generated incoming link and forwards the user who is clicking on it to another website while saving a record of the action in our DB. I guess it's basically what ad-services like AdSense do. However, what is the best way to redirect the user? I think html-meta-tag-redirects are out of question. So what other options are there? head :moved_permanently, :location => "http://www.domain.com/" This one is a 301-redirect. The next one is a 302: redirect_to "http://www.domain.com" Are there any others? And which is best to use for our case? The links are highly-dynamic and change all the time. We want to make sure we don't violate any existing standards and of course we don't want search-engines to tag us as spammers (which we are not, btw). Thanks!

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• Combining multiple jQuery functions

  - by Mark

  Is there any way to combine all of this to reduce the amount of js? This is just an example of some of the jquery dialogs I have in my site, there are a few more too. Thanks. //initiate Search refinement dialog here $("#chooseMoreCnt, #chooseMoreCat, #chooseMorePr").dialog({ bgiframe: true, autoOpen: false, width: 500, modal: true, open: function(type, data) { $(this).parent().appendTo(jQuery("form:first")); } }); //trigger country dialog $('a.chooseMoreCnt').click(function() { $('#chooseMoreCnt').dialog('open'); return false; }); //trigger category dialog $('a.chooseMoreCat').click(function() { $('#chooseMoreCat').dialog('open'); return false; }); //trigger price dialog $('a.chooseMorePr').click(function() { $('#chooseMorePr').dialog('open'); return false; });

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• Enumerating all combinations of lists of different types

  - by jball

  Given two IEnumberables of different types, what is the best practice (considering readability and maintainability) for iterating over both lists to perform an action on all possible combinations? My initial solution was to use nested foreach loops, iterating over the first IEnumerable, and then within that loop, iterating over the second IEnumerable and passing the value from the outer and the current loop into the target method. Eg.: enum ParamOne { First, Second, Etc } List<int> paramTwo = new List<int>() { 1, 2, 3 }; void LoopExample() { foreach (ParamOne alpha in Enum.GetValues(typeof(ParamOne))) { foreach (int beta in paramTwo) { DoSomething(alpha, beta); } } } I tried to restructure it with LINQ, but ended up with something that had no obvious advantages and seemed less intuitive. A search here shows lots of questions about nesting foreachs to iterate over child properties, but I couldn't find anything about iterating over two distinct lists.

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• Regex in Flex 3: How to Wrap Quotations Around a Dynamic String?

  - by Laxmidi

  Hi, I need some Regex help. I need to find beacon_ followed by an alphanumeric code and then wrap it in quotation marks. For something static, like the example, below it's straight forward. myReturn = myReturn.replace( 'id=beacon_80291ee9b3', 'id="beacon_80291ee9b3"'); But, my problem is that the part after beacon is a random alphanumeric code. (However, it is always the same length). For example, the beacon part could be: beacon_c8ac873136 beacon_dc83b5953e beacon_7a910d03d8 etc. The haystack that I'll search will look like: myReturn = "blah blah id=beacon_80291ee9b3 blah blah"; Thanks. -Laxmidi

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• Grails deploy on Tomcat6

  - by Jack

  Hello, while trying to deploy a Grails application into tomcat6 I ran into some problems: I used the grails war command to build up a war, then copied it to var/lib/tomcat6/webapps and tried to restart the container. I had to change default Tomcat policy to skip security exceptions, since I couldn't access environment variable (like grails.env), then tried again but it gives me an exception related to instantiating something, but it's not clear where should I try to fix the error, according to tomcat6 logs the problem is: SEVERE: Exception sending context initialized event to listener instance of class org.codehaus.groovy.grails.web.context.GrailsC$ org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'pluginManager' defined in ServletContext$ at java.lang.Thread.run(Thread.java:619) Caused by: org.codehaus.groovy.grails.exceptions.NewInstanceCreationException: Could not create a new instance of class [Hiberna$ ... 1 more Caused by: java.lang.NoClassDefFoundError: org.hibernate.cfg.Environment It seems like it's unable to load org.hibernate.cfg.Environment class. I checked the applicationContext.xml and it refers to grails.xml to search for plugins, in this last file I actually have HibernateGrailsPlugin. Where should I look to find if the plugin is present?

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• Placement of service methods

  - by mhp

  Let's assume I have two service classes with the following methods: GroupService createGroup() deleteGroup() updateGroup() findGroup() UserService createUser() deleteUser() updateUser() findUser() Now, I am thinking about the aesthetics of theses classes. Imagine we want to implement a method which search for all user of a specific group. Which service class is responsible for such a method? I mean, the return value is a user (or maybe a collection of users) but the parameter (which means the name of the group) is a group. So which service class is the better place to put this method in?

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• jquery typeWatch with Dynamic input fields added on the fly.

  - by mtyagi

  How can i get the Id of the input field added on the fly? My script adds the input fields on click on the button , using var ix = 1; $(template2(ix++)).appendTo("#dataTable tbody"); var template2 = jQuery.format($("#template2").val()); I also add this , line after the insertion of the new fields, so it adds the typeWatch to all the .email class fields. $(".email").typeWatch( { highlight:true, callback:function(){alert("changed search text"); }, wait:750 } ); now, in the callback function , I want to get the Id of the input field typeWatch Callback is triggered. Please advice. Thanks

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• How to get some xml that comes before and a little from after a DOM Node.

  - by startoftext

  I am using java and I am pretty open to using w3c DOM or DOM4J at this point. So lets say I have a Node like a text node that I have found something interesting in, like say an occurrence of a substring in the nodes text. If I want to get a string with a number characters preceding that node and a few characters after that node how may I do that? Basically I need to be able to display a snippet of the original xml around the occurrence of that string. The problem I have with getting the parent node for example and then calling asXML is that I no longer know the exact location of the substring in the text node. If I search again for that string value in the parents xml then I may find 2 occurrences or many more if the parent has other children that contain an occurrence of that string. Much appreciation if any one can answer this question.

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• Problem htaccess and Zend

  - by Fincha

  Hello, I have a server with php4 and pho5 support. But i need to user this one to say server it must be parsed like a php5 file AddType x-mapp-php5 .php .php5 .htm .html But now, my Zend Project have no access to the controllers... public/index/search - 404 Not found On my local Server it works perfectly.. someone know what to do? my htaccess file SetEnv APPLICATION_ENV development AddType x-mapp-php5 .php .php5 .htm .html RewriteEngine On RewriteCond %{REQUEST_FILENAME} -s [OR] RewriteCond %{REQUEST_FILENAME} -l [OR] RewriteCond %{REQUEST_FILENAME} -d RewriteRule ^.*$ - [NC,L] RewriteRule ^.*$ index.php [NC,L]

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• iPhone: Interface Builder leaks memory?

  - by Stefan Klumpp

  I have been working on an iPhone project, where we created all the user interface programmatically in code. Now I'm going to start a new iPhone project and thinking of using Interface Builder instead, because it has been recommended to me as being a very useful tool, creating less headache than writing everything in code and in general much faster (regarding development time). However, my team members have some concerns due to previous problems with using Interface Builder and resulting memory leaks. Therefor they suggest building everything in code again. I don't know where these concerns come from, but maybe someone with more experience than we have can give some insight on that topic. Doing a simple Google search doesn't really provide any information proofing that there are any problems with memory leaks created by the Interface Builder itself.

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• Glew in VS 2010: unresolved external symbol __imp__glewInit

  - by NoviceCai

  I am learning OpenGL by following the redbook. When I come to around page 90, I need use glGenBuffers(); Then I need install "glew". By following the steps in www.cs.uiowa.edu/~cwyman/classes/common/howto/winGLUT.html I download glew.zip from glew.sourceforge.net/ and unpack the files. I put glew.h in C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include and put glew32.lib in C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Lib and put glew32.dll in C:\Windows\System32. After that, I build my project in VS 2010 and in Linker-input, I add dependencies glew32.lib. But when I build it, I have error unresolved external symbol _imp_glewInit I spend whole day to search solutions, but did not find one. Hope someone can help me with this.

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• ASP.NET Connection time out after being idle for a while

  - by yazz

  My ASP.NET website while trying to connect to the database for first time after a period of inactivity throws an time out exception. I understand the connections in the connection pool get terminated after some idle time for some reason (Firewall or Oracle settings) and the pool or app doesn't have a clue about it. Is there any way to validate the connection beforehand so that the first try doesn't throw an exception? I don't have much control over the DB or Firewall settings. So I have to deal with this is my application.(would prefer if there is any web.config settings) I am using: ASP.NET 2.0. Oracle server 11g, Microsoft Enterprise Library DAAB to do all my DB operations. I did some search on this topic but didnt find any solid solution for this yet :(

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• How to create Master/Detail view with two datagrids in ColdFusion

  - by Maklar

  In Coldfusion, I have Master and Detail data that I need to display in two separate cfgrids; like the typical Customers/Orders scenario. My cfgrids are bound to cfc functions which populate the cfgrids. In my current dataset, only one Customer has Orders and when I click on this record in the Master datagrid the Detail datagrid displays the related records. But when I click on a record in the Master datagrid that has no related detail records, the Detail datagrid does not refresh but maintains display of the previous data. Also the search icon within the datagrid's control panel indicates it is searching for values rather than displaying the Refresh icon. Can you please show me how to establish Master and Detail cfgrids where I can see Orders of Customers as I navigate through the Master datagrid? Any and all help will be greatly appreciated! Maklar

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