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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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  • I have a bunch of divs floated left, lined up in columns with different heights. They dont create a

    - by Roeland
    Hey guys, I am trying to create a grid like system with div's with content floated left. The problem is that the height of each div is not static since the content is different in each one. Since the height is different.. things get outta whack if one is taller then another in one row. Is there some sort of css way or js (prefer javascript) way to get around this. I really want to avoid setting large heights on the divs to get them to line up. You can see the example here: http://www.foreclosurejournalinc.com/index.php?option=com_hotproperty&view=type&id=1

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  • How do we achieve "substring-match" under O(n) time?

    - by Pacerier
    I have an assignment that requires reading a huge file of random inputs, for example: Adana Izmir Adnan Menderes Apt Addis Ababa Aden ADIYAMAN ALDAN Amman Marka Intl Airport Adak Island Adelaide Airport ANURADHAPURA Kodiak Apt DALLAS/ADDISON Ardabil ANDREWS AFB etc.. If I specify a search term, the program is supposed to find the lines whereby a substring occurs. For example, if the search term is "uradha", the program is supposed to show ANURADHAPURA. If the search term is "airport", the program is supposed to show Amman Marka Intl Airport, Adelaide Airport A quote from the assignment specs: "You are to program this application taking efficiency into account as though large amounts of data and processing is involved.." I could easily achieve this functionality using a loop but the performance would be O(n). I was thinking of using a trie but it seems to only work if the substring starts from index 0. I was wondering what solutions are there which gives a performance better than O(n)?

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  • Programmaticaly grabbing text from a web page that is dynamically generated.

    - by bstullkid
    There is a website I am trying to pull information from in perl, however the section of the page I need is being generated using javascript so all you see in the source is <div id="results"></div> I need to somehow pull out the contents of that div and save it to a file using perl/proxies/whatever. e.g. the information I want to save would be document.getElementById('results').innerHTML; I am not sure if this is possible or if anyone had any ideas or a way to do this. I was using a lynx source dump for other pages but since I cant straight forward screen scrape this page I came here to ask about it! If anyone is interested, the page is http://downloadcenter.trendmicro.com/index.php?clk=left_nav&clkval=pattern_file&regs=NABU and the info I am trying to get is the row about the ConsumerOPR

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  • Must I loop to search results for a specific value?

    - by tag
    I have a table in the database: name Opinion Tim Tim has an opinion John other random text Dan Dan's random text Al Al says something else I call this data and get it back in getRecords.lastResult To access John's opinion, I could use: getRecords.lastResult[1].opinion But that's only because I know that John is the second record (record 1), but this may change. So the right way is to search through the results to first find the record index for John, then access his opinion. My guess is I need some sort of a loop? Is there an easier way to search for John directly without a loop?

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  • In C#, is there any way to try multiple Regexes on string to see which one matches first?

    - by Matt
    Let's say I have an arbitrary list of regexes (IList<Regex> lst; for example). Is there any way to find out which one matches first? Of course there is the straightforward solution of trying each one on the string and seeing which match has the lowest index, but this could be inefficient on long strings. Of course I can go back and pull the strings back out of each regex (Regex.ToString()) and concatenate them all together ("(regex1)|(regex2)|(regex3)"), but I find this to be an ugly solution, especially since it does not even indicate which regex was matched.

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  • Rails controller

    - by Asso
    Hello everyone! Newb in Rails i Have this problem that i cannot figure out. I've followed the sample blog dimostration form the ruby doc but now i have a problem. Let's say that in the app index page for each post i also want to show the first comment of that post. sure i need to cycle all the post to get the post id but how can i get the first comment of that post? how can i manage the homeController and the view ? thanks since now!

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  • .htaccess rewrite for all but domain itself to a subdirectory

    - by romant
    Hi, There exists a blog at domain.com I wish to do a 301 redirect on anything that is after domain.com/[category/[post-name] to domain.com/blog/[category]/[post-name] The key here is when someone hits domain.com they just stay there. Only if there's any reference to posts within domain.com that I wish for the redirect to work. Will hold this for at most 6 months, until SEO settles, and then remove the redirect. What is the best way of achieving this with .htaccess ? The current one is as follows: <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> Any help is appreciated. Thank you.

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  • Removing DIVs in a jquery dialog

    - by Macinville
    I have a dialog window that uses a URL for its contents { function(){jQuery.ajax({'success':function(html) { jQuery('#menu_dialog').html(html); $('#menu_dialog').dialog('open'); $('#header').hide(); },'url':'/testing/index.php/menu','cache':false});return false;}; } What happens is that it was displaying the whole page, including the header, the footer,navigation menu,etc. What I want is for the dialog to only display the content inside the <content> tag. How can I remove the unnecessary divs in the dialog window?

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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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  • Lucene.Net memory consumption and slow search when too many clauses used

    - by Umer
    I have a DB having text file attributes and text file primary key IDs and indexed around 1 million text files along with their IDs (primary keys in DB). Now, I am searching at two levels. First is straight forward DB search, where i get primary keys as result (roughly 2 or 3 million IDs) Then i make a Boolean query for instance as following +Text:"test*" +(pkID:1 pkID:4 pkID:100 pkID:115 pkID:1041 .... ) and search it in my Index file. The problem is that such query (having 2 million clauses) takes toooooo much time to give result and consumes reallly too much memory.... Is there any optimization solution for this problem ?

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  • Iterate over a dict or list in Python

    - by Chris Dutrow
    Just wrote some nasty code that iterates over a dict or a list in Python. I have a feeling this was not the best way to go about it. The problem is that in order to iterate over a dict, this is the convention: for key in dict_object: dict_object[key] = 1 But modifying the object properties by key does not work if the same thing is done on a list: # Throws an error because the value of key is the property value, not # the list index: for key in list_object: list_object[key] = 1 The way I solved this problem was to write this nasty code: if isinstance(obj, dict): for key in obj: do_loop_contents(obj, key) elif isinstance(obj, list): for i in xrange(0, len(obj)): do_loop_contents(obj, i) def do_loop_contents(obj, key): obj[key] = 1 Is there a better way to do this? Thanks!

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  • bgiframe appears in front of jquery modal dialog's overlay in IE6

    - by Ryan
    When I look at jquery ui's demo modal dialog (http://jqueryui.com/demos/dialog/#modal) in IE6 the bgiframe is appearing on top of the background overlay. So instead of seeing a black/gray stripe pattern, there is just a white background covering the page with the word "false" in the upper left corner. Is bgiframe broken with the latest version of jqueryui? Is there a quick way to repair this problem with bgiframe? If not, is there a plugin that hides selects when a modal dialog is shown? The ie6 z-index issue with selects is the reason I was using bgiframe in the first place.

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  • Need help with this Regex + UrlRewriter.NET please :)

    - by Pure.Krome
    Previously, on StackOverflow ... (Summarized) I need to capture all requests, for a particluar subdomain .. and rewrite their destination. Now, the trick to determining the host via regex was solved. Now, i need to make sure all requests to the root index page is rewritten, but i can't figure out the correct regex to find the 'homepage' / website root. this is what i have.... <if header="HTTP_HOST" match="^foo\.mydomain\.com\.au(?::\d+)?/?$"> <!-- snip some other rewrites, eg./buying/product -> ~/Pages/Foo/Bar.aspx --> <rewrite url="^/$" to="~/Pages/SomeWeirdFolder/Home.aspx" processing="stop"/> </if> Now if one of the rewrites were not found, then it falls through and continues. So .. can anyone please help?

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  • Lucene.NET - Find documents that do not contain a specified field

    - by Brandon
    Let's say I have 2 instance of a class called 'Animal'. Animal has 3 fields: Name, Age, and Type The name field is nullable, so before I insert an instance of Animal as a Lucene indexed document, I check if Animal.Name == null, and if it does, I do not insert it as a field in my document. If I were to retrieve all animals, I would see that the Name field does not exist and I can set its value to null. However, there may be situations where I want to say "Get me all animals that do not have a name specified yet." In this situation I want to retrieve all Lucene.NET documents from my animal index that do not contain the Name field. Is there an easy way to do this with Lucene.NET? I want to stay away from having to perform some sort of hack to check if my name field has a value of 'null'.

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  • mod-rewrite to ignore the subdomain

    - by amanuo
    I'm using a mod-rewrite for pretty URLs, meant to run on the domain root. Working fine but now I'm trying to make it run on a subdomain and it keeps giving "500 Internal Server Error". The subdomain automatically redirects to the folder with that name on my hosting account (sub.domain.com shows the content of domain.com/sub/). Does it fail because this request is already being mod-rewritten automatically or can I simply change something in the htaccess to address the subdomain instead? Options +FollowSymLinks IndexIgnore */* RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . index.php

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  • jQuery: Trouble inserting DOM elements

    - by Rosarch
    I want to add a set of lists to the children of another DOM element: var req_subsets = $("#req_subsets"); $.each(subsets, function(index, subset) { var subset_list = $("<ul></ul>"); // add DOM elements to subset_list req_subsets.append(subset_list); }); However, only one DOM element is ever added. This makes me suspect that when I assign a new value to subset_list, the old one is overwritten. If that is the problem, how do I avoid it? If not, what else am I doing wrong? UPDATE: I changed something else, and I'm almost entirely certain that this is fixed.

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  • What exactly is REST architecture and how is it implemented in Rails?

    - by Jagira
    This is what I think of REST architecture. For every resource, there is an unique URI. We can manipulate that object using its URI and HTTP actions [POST, GET, PUT and DELETE]. The HTTP request transfers the representation of the state of that object. In all the texts I have read, REST is explained in a weird and confusing manner. One more thing, RESTFUL implementation in rails produces different urls for different purposes. Like /teams - for 'index' method... /teams/new - for 'new' method and so on. Ain't this moving away from rest, which defines that each resource has one unique URI???

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  • parse JSON . I have server response

    - by GauravBOSS
    i am new in JSON Parsing . i have a server response how i can fetch the "Device Name and Id" of 0 index. thanks in Advance { Successfully = ( { 0 = { DeviceName = Tommy; DeviceTypeId = 1; EMEI = xxxxxx; GId = xxxxx; Id = 105; Pet = "<null>"; PetImage = "352022008228784.jpg"; ProtocolId = xxxx; SimNo = xxxxx; }; } ); }

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  • How to structure a multilingual website for search engines?

    - by Nirmal
    I have this website which decides on the display language by a GET parameter. http://www.mysite.com/index.php?page=home&locale=en which is rewritten as http://www.mysite.com/en/home When no language is specified, the system defaults to English (en). Now how do I tell the search engines that many versions of the website exist? When the search bot enters the site, it will trigger the default English Language and after finishing, will just leave the site without considering other languages. I can very well have a sitemap with links to the default pages of each language, so the bot can navigate from there. But how do I say the bot that the entry in the sitemap is the home page for that language? Like if someone searches for 'mi sitio', they should be presented with the result http://www.mysite.com/es/home and not some other internal page. Any light on this? Thanks.

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  • Search Lucene with precise edit distances

    - by askullhead
    I would like to search a Lucene index with edit distances. For example, say, there is a document with a field FIRST_NAME; I want all documents with first names that are 1 edit distance away from, say, 'john'. I know that Lucene supports fuzzy searches (FIRST_NAME:john~) and takes a number between 0 and 1 to control the fuzziness. The problem (for me) is this number does not directly translate to an edit distance. And when the values in the documents are short strings (less than 3 characters) the fuzzy search has difficulty finding them. For example if there is a document with FIRST_NAME 'J' and I search for FIRST_NAME:I~0.0 I don't get anything back.

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  • How do I add/remove items to a ListView in virtual mode?

    - by Eric
    If I'm using a ListView in virtual mode then, as I understand it, the list view only keeps track of a small number of items in the list. As the user scrolls it dynamically retrieves items it needs to show from the virtual list. But what if an item is added or removed from the master list? If an item is added/removed outside of the range of indexes being shown by the list view then I would assume the list view would show the added/missing items when the user scrolls to that index. Is this correct? But what if an item is added/removed from the range of indexes the user is currently viewing? How do I trigger the list view to refresh the items it is currently viewing to show the new/missing items?

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  • Thinking of an Inner Join as a Cross Join and then satisfying some condition(s)?

    - by Jian Lin
    It seems like the safest way to think of an Inner Join is to think of it as a Cross Join and then satisfying some condition(s)? Because the equi-join can be obvious, but the non-equi-join can be a bit confusing. But if we always use the Cross Join, and then filter out the ones satisfying the condition, then we get the resulting table. In other words, we can always analyze it by using the first record on the left table, and then go through every single records on the right, and then repeat that for 2nd record on the left, and for the 3rd, 4th, ... etc. So in our mind, we can analyze it using this way, and it is like O(n^2), although what happens in the DBMS maybe that it is a lot faster (when an index is present). Is there another good way to think of it besides this method?

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  • ADT will not allow creation of Android Activity

    - by NewShelbyWoo
    I installed the ADT bundle from http://developer.android.com/sdk/index.html yesterday, and I was following a basic Hello World tutorial. I created a new Android Application Project with a Blank Activity named MainActivity. The resulting project has an empty src folder and empty res\layout folder. There is a R.java file in the gen folder but it has no reference to MainActivity. This is what the SDK manager says I have installed Android SDK Tools v 22.6 Android SDK Platform-tools v 19.0.1 Android SDK Build-tools v 19 SDK Platform v 3 ARM EABI v7a System Image v 2 Android Support Library v 19.0.1 Google USB Driver v 9 I also tried manually creating an activity by right clicking the src folder and going to Android Activity, but when I hit Finish on the creation wizard, nothing happens. Does anyone have any clues as to what's going on? Did I miss a key component to install or something?

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  • Fluxbox compiling problems after making a change.

    - by Jack
    I'm trying to make the change here: http://fluxbox-wiki.org/index.php?title=Howto_Make_dblclick_titlebar_maximize I am using the current git version of the fluxbox source. I assume that those instructions are perhaps no longer valid for the current git version. In the void FluxboxWindow::setupWindow() function I can see no references to CommandRef or frame. I would like to know if it is possible that I could work out where they should go in that function, with only having a limited knowledge? I am still trying to learn programming and don't know enough just yet to work out where they should go. I assume I can't just paste in the suggested lines anywhere in that function, but why not? I can paste the source if needed, but I am unsure where to paste to.

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