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• Ideas for designing an automated content tagging system needed

  - by Benjamin Smith

  I am currently designing a website that amongst other is required to display and organise small amounts of text content (mainly quotes, article stubs, etc.). I currently have a database with 250,000+ items and need to come up with a method of tagging each item with relevant tags which will eventually allow for easy searching/browsing of the content for users. A very simplistic idea I have (and one that I believe is employed by some sites that I have been looking to for inspiration (http://www.brainyquote.com/quotes/topics.html)), is to simply search the database for certain words or phrases and use these words as tags for the content. This can easily be extended so that if for example a user wanted to show all items with a theme of love then I would just return a list of items with words and phrases relating to this theme. This would not be hard to implement but does not provide very good results. For example if I were to search for the month 'May' in the database with the aim of then classifying the items returned as realting to the topic of Spring then I would get back all occurrences of the word May, regardless of the semantic meaning. Another shortcoming of this method is that I believe it would be quite hard to automate the process to any large scale. What I really require is a library that can take an item, break it down and analyse the semantic meaning and also return a list of tags that would correctly classify the item. I know this is a lot to ask and I have a feeling I will end up reverting to the aforementioned method but I just thought I should ask if anyone knew of any pre-existing solution. I think that as the items in the database are short then it is probably quite a hard task to analyse any meaning from them however I may be mistaken. Another path to possibly go down would be to use something like amazon turk to outsource the task which may produce good results but would be expensive. Eventually I would like users to be able to (and want to!) tag content and to vote for the most relevant tags, possibly using a gameification mechanic as motivation however this is some way down the line. A temporary fix may be the best thing if this were the route I decided to go down as I could use the rough results I got as the starting point for a more in depth solution. If you've read this far, thanks for sticking with me, I know I'm spitballing but any input would be really helpful. Thanks.

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• Developing Job References

  - by Joe Smith

  How do you develop references for jobs? I have 6 years of programming experience spanning two jobs, but sadly I don't have a lot of people I can draw on as references. It's been several years since I left my last job, which was at a small company, and I've lost touch with the few people I knew there. I now work at another small company. I think I've gone as far as I can in my current position, and would like to look for greener pastures, but I can't exactly use my current boss as a reference, even though I have a very good repore with him. I'm sure he'd make a great reference down the road, but I'm afraid I'd insult him or jeopardize my current job by mentioning that I'm thinking of leaving and would like him to help me. I've applied to some jobs, and I have gotten several replies like, "Oh, you're exactly what we're looking for. Send us a couple references and we'll schedule an interview. Oh, no references? You must be a psychopath, nevermind." I've tried doing some small freelance work on the side, just so I can have a contact who can vouch for my work, but the competition for even small projects is pretty fierce and I can rarely devote adequate time to freelancing while holding a full time job. In addition, I often encounter a Catch-22 where a lot of freelancing jobs also require references. So how do programmers maintain existing references and develop new ones, especially while holding a full time job?

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• Implementing MEF with ASP.NET MVC?

  - by mark smith

  I am trying to find out if anyone has any experience or ideas of using MEF (Managed Extensible Framework (Microsoft's new plugin framework) with ASP.NET MVC. I need to create a standard ASP.NET MVC, which I have. But I need to offer additional functionality i.e. Views and Controllers, etc, depending on if I add a plugin. It doesn't need to be dynamically compiled i.e. source code... but a DLL that i put into the system.. Is there any way to dynamically load a DLL when the app starts, and then MERGE a VIEWS and CONTROLLERS with the main system? I don't know if i am on the right track here. Then, I suppose in the "STANDARD" views that come with the app, I can use an "IF THEN" to find out if a plugin is loaded and MERGE in a user control. Well, I'm talking out loud here, but I think you understand what I am getting at. Any ideas?

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• WCF Rest services for use with the repository pattern?

  - by mark smith

  Hi there, I am considering moving my Service Layer and my data layer (repository pattern) to a WCF Rest service. So basically i would have my software installed locally (WPF client) which would call the Service Layer that exists via a Rest Service... The service layer would then call my data layer using a WCF Rest Service also OR maybe just call it via the DLL assembly I was hoping to understand what the performance would be like. Currently I have my datalayer and servicelayer installed locally via DLL Assemblies locally on the pc. Also i presume the WCF REST services won't support method overloading hance the same name but with a different signature?? I would really appreciate any feedback anyone can give. Thanks

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• Get Specific Data From Array, Based On Another Value

  - by A Smith

  I have an array that outputs these values: Array ( [0] => stdClass Object ( [ID] => 6585 [COLOR] => red [Name] => steve ) [1] => stdClass Object ( [ID] => 5476 [COLOR] => blue [Name] => sol ) [2] => stdClass Object ( [ID] => 7564 [COLOR] => yellow [Name] => jake ) [3] => stdClass Object ( [ID] => 3465 [COLOR] => green [Name] => helen ) ) Now, I will know the ID of the person, and I need the get the COLOR value for that specific value set. How is this best achieved please?

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• Jakarta Regexp 1.5 Backreferences?

  - by Matt Smith

  Why does this match: String str = "099.9 102.2" + (char) 0x0D; RE re = new RE("^([0-9]{3}.[0-9]) ([0-9]{3}.[0-9])\r$"); System.out.println(re.match(str)); But this does not: String str = "099.9 102.2" + (char) 0x0D; RE re = new RE("^([0-9]{3}.[0-9]) \1\r$"); System.out.println(re.match(str)); The back references don't seem to be working... What am I missing?

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• Compare two Xcode build settings

  - by John Smith

  I have a project where I use two build settings predominantly. Unfortunately today something went wrong. One compiles and the other doesn't. How can I compare the two build settings in XCode to see what the differences are? (For those interested, the error I get in one build is jump to case label crosses initialization of 'const char* selectorName' if you know what this means I'll be very grateful )

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• Getting key/value pairs from plist-style xml using simplexml in php

  - by Anthony

  Here is an example bit from the xml file: <array> <dict> <key>Name</key> <string>Joe Smith</string> <key>Type</key> <string>Profile</string> <key>Role</key> <string>User</string> <key>Some Number</key> <integer>1</integer> <key>Some Boolean</key> <true/> </dict> </array> I have two separate goals. The first is to extract an array from the dictnode that would look like: [Name] => Joe Smith [Type] => Profile [Role] => User [Some Number] => 1 [Some Boolean] => true It's not crucial that the boolean be included, so if that adds too much complexity, I'd rather just know how to deal with the others for now. The second goal is to be able to select the value node (<string>, <integer>,etc) so that I can change the value. I would need to select it based on the text value of the preceding key element. I think the following XPath should work: //key[.=$keyname]/following-sibling[1] But I'm not sure. Basically, this whole system that Apple uses seems logical, but totally contrary to the XML is supposed to work. If I ran the world, the original XML would look more like: <dict type="array"> <value key="Name" type="string">Joe Smith</value> <value key="Type" type="string">Profile</value> <value key="Role type="string">User</value> <value key="Some Number" type="integer">1</value> <value key="Some Boolean" type="boolean">true</value> </dict> But since it is fairly logical, I am wondering if I'm missing some obvious way of handling it.

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• Where can I find project repositories with continuous testing?

  - by Jenny Smith

  I am interested in studying some test logs from different projects, in order to build and test an application for school. I need to analyze the parts of the code which are tested, the bugs which appeared in those parts and eventually how they were resolved. But for this I need some repositories from different (open source) projects. Can someone please help me with ideas or links or any kind of test logs which might be useful? I really need some resources, so any help is appreciated.

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• NSString stringWithFormat question

  - by John Smith

  I am trying to build a small table using NSString. I cannot seem to format the strings properly. Here is what I have [NSString stringWithFormat:@"%8@: %.6f",e,v] where e is an NSString from somewhere else, and v is a float. What I want is output something like this: Grapes: 20.3 Pomegranates: 2.5 Oranges: 15.1 What I get is Grapes:20.3 Pomegranates:2.5 Oranges:15.1 How can I fix my format to do something like this?

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• VS 2010: Can't insert snippet using shortcut - incompatibility with resharper 5???

  - by mark smith

  Hi there, i recently installed some snippets that come with a framework i am using. And sure enought i checked via Tools > Code Snippet Manager and they are installed under "My Code Snippets". If i do insert Snipper (right click in code window) or CTRL K + CTRL X then i can search within all available snippets.... But i do believe its possible to just type the shortcut key (in this case it is mvvmlocatorproperty) and pressing tab inserts the snippet BUT when i type the shortcut key it is not recognizing anything... What am i doing wrong?? This is not an incompatibility with resharper 5? - which i have installed Any ideas really appreciated

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• How do I fix 'compiler error - cannot convert from method group to System.Delegate'?

  - by Tim Lovell-Smith

  public MainWindow() { CommandManager.AddExecutedHandler(this, ExecuteHandler); } void ExecuteHandler(object sender, ExecutedRoutedEventArgs e) { } Error 1 Argument 2: cannot convert from 'method group' to 'System.Delegate'

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• CSS menu items flickering in IE6

  - by Quick Joe Smith

  Edit #1: I have just discovered this flicker bug affects IE8 (and therefore most likely IE7) as well. I am putting together a pure-CSS dropdown menu (mostly a learning exercise) and have hit a point in IE where the submenu items are flickering as the mouse moves around within the <li> but outside the inner <a>. Source code is as follows: The included csshover3.htc is downloadable from Peter Nederlof's page for Whatever:hover <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>CSS Menu</title> <style type="text/css"> body { behavior: url("csshover3.htc"); } div#navbar { background-color:#333; font-size:1.4em; overflow:auto; } div#navbar ul { display:inline-block; /* ie6 float container bug */ list-style:none; margin:0px; padding:0px; } div#navbar ul.menu li { float:left; display:inline; /* ie6 double-margin bug */ } div#navbar ul.menu a { display:block; text-decoration:none; color:#fff; padding:5px 10px; } div#navbar ul li a:link, div#navbar ul li a:visited { text-decoration:none; } div#navbar ul li a:hover { color:#333; background-color:#f6c323; } div#navbar ul.menu ul { display:none; } div#navbar ul.menu li:hover ul { display:block; position:absolute; background-color:#333; } div#navbar ul.menu li:hover ul li { float:none; } div#navbar ul.menu li:hover ul ul { display:none; } div#navbar ul.menu li:hover li:hover { position:relative; } div#navbar ul.menu li:hover li:hover ul { display:block; position:absolute; left:100%; top:0; } </style> </head> <body> <h1>CSS Menu</h1> <div id="navbar"> <ul class="menu"> <li><a href="#">A</a></li> <li> <a>B</a> <ul> <li><a href="#">123</a></li> <li><a href="#">2</a></li> <li> <a>Tweee</a> <ul> <li><a href="#">Phwoar</a></li> <li><a href="#">Gr</a></li> </ul> </li> </ul> </li> <li><a href="#">C</a></li> </ul> </div> </body> </html> Live demo: http://jsfiddle.net/4q6Vw/ Any help is appreciated.

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• Solution: Android INSTALL_FAILED_INSUFFICIENT_STORAGE error.

  - by Andrew Smith

  The INSTALL_FAILED_INSUFFICIENT_STORAGE error is the bane of every Android developer's life. It happens regardless of app size, or how much storage is available. Rebooting the target device fixes the problem briefly, but it soon comes back. There are hundreds (if not thousands) of message board posts from people asking why the problem occurs, but the folks at Google are frustratingly silent on the issue. There is a simple workaround. If your test device is running Android 2.2 or later then add the android:installLocation attribute to your application's manifest file, with the value "preferExternal". This will force the app to be installed on the device's external storage, such as a phone's SD card. For example: <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.andrewsmith.android.darkness" android:installLocation="preferExternal" This is more of a band-aid than a fix, and it may not be ideal if you want your finished app to install on the device's internal memory. But it will at least make the development process a lot less frustrating.

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• debugging on bsd using gdb or similar tootls

  - by agent.smith

  I have started using freebsd lately and realized gdb does not support remote debugging on it. Whenever, I try to do remote debugging using gdbserver, I run into SIGSEGV crashes and error message says can’t find definition of “r_debug_state”. Has anyone ever experienced this and solved it? Statically compiled single threaded programs can be compiled using gdbserver. However, other than that it is mostly looking difficult to use. Let me know if anyone knows any other tools to do remote application debugging on bsd or how to fix the issue. (I am on x64 freebsd 9) Thanks

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• JQuery Syntax Problem?

  - by Michael Smith

  I am using JQuery to insert divs into a page but i cant seem to get the quotation marks correctly setup. For example the code below works fine: var newDiv_1 = '<div id="event_1"><b>Hello World 01</b></div>'; $('#mon_Events').append(newDiv_1); But when i try to use variable in place of the normal text, i doesnt seem to work: var eventname = 1; var newDiv_1 = '<div id="event_' . eventName . '"><b>Hello World 01</b></div>'; $('#mon_Events').append(newDiv_1); How do i use variable inside this statement?

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• Month to Date in SQL Server 2008

  - by Aaron Smith

  Hopefully this will be an easy one to answer. I am working on a table that requires MTD data. One of our SQL guys told me to use MONTH (@monthtodate)= 11 Where @monthtodate is set to GetDate() in the parameter list in SQL Server Management Studio. So in "theory", he says, it should select the month (11) and then get today and return all the requested data in between those two dates. But I'm thinking this isn't correct. In looking at my data I'm starting to think that It's just returning data for the whole month of November instead of just MTD. I guess, technically, anything that has 0 won't be calculated. However that just means it's poorly written code correct? In your opinions, would this be the better way to return MTD data: production_date <= @today and Production_Date >= DATEADD(mm, DATEDIFF(mm, 0, @today), 0) Thanks in advance everyone!

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• Run a form in another thread

  - by Smith

  i have five forms in my c# project. one host an httplistener that i want to run continionsly. when the listener gets a message, it passes it to a static class, which in turn calls the appropriate forms for another processing. is it possible that the static class calls the new form in a new thread? if so please help me out

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• Making a jQuery selection in IE on html added via .load()

  - by Joel Crawford-Smith

  Scenario: I am using jQuery to lazy load some html and change the relative href attributes of all the anchors to absolute links. The loading function adds the html in all browsers. The url rewrite function works on the original DOM in all browsers. But In IE7, IE8 I can't run that same function on the new lazy loaded html in the DOM. //lazy load a part of a file $(document).ready(function() { $('#tab1-cont') .load('/web_Content.htm #tab1-cont'); return false; }); //convert relative links to absolute links $("#tab1-cont a[href^=/]").each(function() { var hrefValue = $(this).attr("href"); $(this) .attr("href", "http://www.web.org" + hrefValue) .css('border', 'solid 1px green'); return false; }); I think my question is: whats the trick to getting IE to make selections on DOM that is lazy loaded with jQuery? This is my first post. Be gentle :-) Thanks, Joel

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• Getting a ReturnValue from cmd.Parameters in c#?

  - by mark smith

  Hi, I have just finished converted a vb.net app to c# and one of the lines is to get @ReturnValue from the parameter. I ended up having to CAST a lot of things.. Is there not a easier way here is what i have int rc = ((System.Data.SqlTypes.SqlInt32)(((System.Data.SqlClient.SqlParameter)(cmd.Parameters["@ReturnValue"])).SqlValue)).Value; In vb.net it was as simple as doing this Dim rc As Integer = Convert.ToInt32(cmd.Parameters("@ReturnValue").Value) Alot easier :-) But the problem with C# is the property Value isn't available unless I Cast to SqlParameter and i also need to cast to Sqltypes.SqlInt32 - i can't just do a standard Convert.ToInt32

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• Using EhCache for session.createCriteria(...).list()

  - by James Smith

  I'm benchmarking the performance gains from using a 2nd level cache in Hibernate (enabling EhCache), but it doesn't seem to improve performance. In fact, the time to perform the query slightly increases. The query is: session.createCriteria(MyEntity.class).list(); The entity is: @Entity @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) public class MyEntity { @Id @GeneratedValue private long id; @Column(length=5000) private String data; //---SNIP getters and setters--- } My hibernate.cfg.xml is: <!-- all the normal stuff to get it to connect & map the entities plus:--> <property name="hibernate.cache.region.factory_class"> net.sf.ehcache.hibernate.EhCacheRegionFactory </property> The MyEntity table contains about 2000 rows. The problem is that before adding in the cache, the query above to list all entities took an average of 65 ms. After the cache, they take an average of 74 ms. Is there something I'm missing? Is there something extra that needs to be done that will increase performance?

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• What's wrong with this jQuery? It isn't working as intended

  - by Doug Smith

  Using cookies, I want it to remember the colour layout of the page. (So, if they set the gallery one color and the body background another color, it will save that on refresh. But it doesn't seem to be working. jQuery: $(document).ready(function() { if (verifier == 1) { $('body').css('background', $.cookie('test_cookie')); } if (verifier == 2) { $('#gallery').css('background', $.cookie('test_cookie')); } if (verifier == 3) { $('body').css('background', $.cookie('test_cookie')); $('#gallery').css('background', $.cookie('test_cookie')); } $('#set_cookie').click(function() { var color = $('#set_cookie').val(); $.cookie('test_cookie', color); }); $('#set_page').click(function() { $('body').css('background', $.cookie('test_cookie')); var verifier = 1; }); $('#set_gallery').click(function() { $('#gallery').css('background', $.cookie('test_cookie')); var verifier = 2; }); $('#set_both').click(function() { $('body').css('background', $.cookie('test_cookie')); $('#gallery').css('background', $.cookie('test_cookie')); var verifier = 3; }); }); HTML: <p>Please select a background color for either the page's background, the gallery's background, or both.</p> <select id="set_cookie"> <option value="#1d375a" selected="selected">Default</option> <option value="black">Black</option> <option value="blue">Blue</option> <option value="brown">Brown</option> <option value="darkblue">Dark Blue</option> <option value="darkgreen">Dark Green</option> <option value="darkred">Dark Red</option> <option value="fuchsia">Fuchsia</option> <option value="green">Green</option> <option value="grey">Grey</option> <option value="#d3d3d3">Light Grey</option> <option value="#32cd32">Lime Green</option> <option value="#f8b040">Macaroni</option> <option value="#ff7300">Orange</option> <option value="pink">Pink</option> <option value="purple">Purple</option> <option value="red">Red</option> <option value="#0fcce0">Turquoise</option> <option value="white">White</option> <option value="yellow">Yellow</option> </select> <input type="button" id="set_page" value="Page's Background" /><input type="button" id="set_gallery" value="Gallery's Background" /><input type="button" id="set_both" value="Both" /> </div> </div> </body> </html> Thanks so much for the help, I appreciate it. jsFiddle: http://jsfiddle.net/hL6Ye/

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• When are sqlite3 views updated?

  - by John Smith

  I have a database on the iPhone which as a view. When I update the dependent tables the view is not updated. It's only updated when I close and reopen the application. From there onwards things are okay: updates reflect immediately. Is there something I need to do to force update of a VIEW?

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• How can i check if key is pressed during click event with jquery?

  - by daniel smith

  Hi, I would like to catch a click event with jquery and be able to tell if a key was pressed at the same time so i can fork within the callback function based on the keypress. for example: $("button").click(function() { if([KEYPRESSED WHILE CLICKED]) { do something... } else { do something different... } }); Does anyone know if this is possible at all or how it can be done if it is possible?

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• Does it ever make sense to make a fundamental (non-pointer) parameter const?

  - by Scott Smith

  I recently had an exchange with another C++ developer about the following use of const: void Foo(const int bar); He felt that using const in this way was good practice. I argued that it does nothing for the caller of the function (since a copy of the argument was going to be passed, there is no additional guarantee of safety with regard to overwrite). In addition, doing this prevents the implementer of Foo from modifying their private copy of the argument. So, it both mandates and advertises an implementation detail. Not the end of the world, but certainly not something to be recommended as good practice. I'm curious as to what others think on this issue. Edit: OK, I didn't realize that const-ness of the arguments didn't factor into the signature of the function. So, it is possible to mark the arguments as const in the implementation (.cpp), and not in the header (.h) - and the compiler is fine with that. That being the case, I guess the policy should be the same for making local variables const. One could make the argument that having different looking signatures in the header and source file would confuse others (as it would have confused me). While I try to follow the Principle of Least Astonishment with whatever I write, I guess it's reasonable to expect developers to recognize this as legal and useful.

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