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• Correct association mapping in Entity Framework

  - by Matt Thrower

  Hi, Trying to change two relationships in our entity framework from many-to-one to many-to-many relationships. So I tried the obvious thing: clicked on each association on the diagram, changed the appropriate end of the association accordingly and then changed the name of the navigation property to a plural to reflect the change. This lead to the following build error, or one each for the two changes I've made: Error 3002: Problem in mapping fragments starting at line 1761:Potential runtime violation of table CustomerServices's keys (CustomerServices.Id): Columns (CustomerServices.Id) are mapped to EntitySet CompiledDatabaseCustomerService's properties (CompiledDatabaseCustomerService.CustomerService.Id) on the conceptual side but they do not form the EntitySet's key properties (CompiledDatabaseCustomerService.CompiledDatabase.Id, CompiledDatabaseCustomerService.CustomerService.Id) I'm not entirely sure why this is happening, so unsurprisngly I haven't had much luck fixing it. I've tried fiddling with the mapping details and adding referential constraints to no avail. Anyone point me in the right direction? cheers, Matt

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• How to disable proxy requests once a server has been added to spammers "open proxy" list?

  - by Matt

  Hello all, I've just started in a new company, and have been going over the setup of their Apache webserver conf files... only to find that they've had their apache servers set up as open proxies available to all the world for the last two months. I've already set ProxyRequests Off in the httpd.conf file and restarted the web server, but the access log file is still growing at a horrendous rate (about a gig a day). I noticed that another question was posted on here about this (http://serverfault.com/questions/63715/apache-hit-with-proxy-request), but their access log was supposedly returning 404 errors, while mine appears to be returning 403 and 404 codes... Is this correct? Here are a few lines out of my access log: 87.118.118.124 - - [16/Mar/2010:10:56:36 -0400] "GET http://www.c5interlude.ru/torrent/viewtopic.php?p=2501 HTTP/1.0" 404 219 "http://www.c5interlude.ru/torrent/viewtopic.php?p=2501" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322)" 117.41.184.27 - - [16/Mar/2010:10:56:36 -0400] "GET http://ad.xtendmedia.com/st?ad_type=iframe&ad_size=300x250&section=790074 HTTP/1.0" 404 200 "http://www.newbiegamer.com" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; Alexa Toolbar)" 122.224.55.222 - - [16/Mar/2010:10:56:36 -0400] "GET http://www.188woool.net/\xb4\xf3\xd4\xcb\xb4\xab\xca\xc0.rar HTTP/1.1" 403 214 "http://www.188woool.net/\xb4\xf3\xd4\xcb\xb4\xab\xca\xc0.rar" "Mozilla/4.0" 58.55.21.40 - - [16/Mar/2010:10:56:36 -0400] "GET http://www.cpx24.com/ad1.js HTTP/1.0" 404 204 "http://thebighits.com/?id=aibux" "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)" 122.226.223.188 - - [16/Mar/2010:10:56:36 -0400] "GET http://ad.reduxmedia.com/st?ad_type=iframe&ad_size=160x600&section=798636 HTTP/1.0" 404 200 "http://www.gvvu.com" "Mozilla/4.0 (compatible; MSIE 5.5; AOL 6.0; Windows 98; Win 9x 4.90)" 84.51.109.31 - - [16/Mar/2010:10:56:36 -0400] "GET http://www.kslp.ru/forum/index.php HTTP/1.0" 404 213 "http://www.kslp.ru/forum/index.php" "Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 6.0 ; .NET CLR 2.0.50215; SL Commerce Client v1.0; Tablet PC 2.0" 122.224.48.49 - - [16/Mar/2010:10:56:36 -0400] "GET http://www1.vip218.com/\xb2\xca\xba\xe7\xb4\xab\xca\xc0.exe HTTP/1.1" 403 214 "http://www1.vip218.com/\xb2\xca\xba\xe7\xb4\xab\xca\xc0.exe" "Mozilla/4.0" 117.41.184.27 - - [16/Mar/2010:10:56:36 -0400] "GET http://ad.xtendmedia.com/st?ad_type=iframe&ad_size=728x90&section=657624 HTTP/1.0" 404 200 "http://www.raiseanimals.com" "Mozilla/4.0 (compatible; MSIE 6.0; Windows 98; Alexa Toolbar)" And my corresponding error log entries: [Tue Mar 16 10:56:36 2010] [error] [client 87.118.118.124] File does not exist: C:/public_html/torrent, referer: http://www.c5interlude.ru/torrent/viewtopic.php?p=2501 [Tue Mar 16 10:56:36 2010] [error] [client 117.41.184.27] File does not exist: C:/public_html/st, referer: http://www.newbiegamer.com [Tue Mar 16 10:56:36 2010] [error] [client 122.224.55.222] (22)Invalid argument: Cannot map GET http://www.188woool.net/\xb4\xf3\xd4\xcb\xb4\xab\xca\xc0.rar HTTP/1.1 to file, referer: http://www.188woool.net/\xb4\xf3\xd4\xcb\xb4\xab\xca\xc0.rar [Tue Mar 16 10:56:36 2010] [error] [client 58.55.21.40] File does not exist: C:/public_html/ad1.js, referer: http://thebighits.com/?id=aibux [Tue Mar 16 10:56:36 2010] [error] [client 122.226.223.188] File does not exist: C:/public_html/st, referer: http://www.gvvu.com [Tue Mar 16 10:56:36 2010] [error] [client 84.51.109.31] File does not exist: C:/public_html/forum, referer: http://www.kslp.ru/forum/index.php [Tue Mar 16 10:56:36 2010] [error] [client 122.224.48.49] (22)Invalid argument: Cannot map GET http://www1.vip218.com/\xb2\xca\xba\xe7\xb4\xab\xca\xc0.exe HTTP/1.1 to file, referer: http://www1.vip218.com/\xb2\xca\xba\xe7\xb4\xab\xca\xc0.exe [Tue Mar 16 10:56:36 2010] [error] [client 117.41.184.27] File does not exist: C:/public_html/st, referer: http://www.raiseanimals.com Does this in fact look like the server is blocking them correctly, and is there anything else that I could do better to cut down on my access log size? (perhaps block these requests from the server completely?) Thanks! Matt

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• Pigs in Socks?

  - by MightyZot

  My wonderful wife Annie surprised me with a cruise to Cozumel for my fortieth birthday. I love to travel. Every trip is ripe with adventure, crazy things to see and experience. For example, on the way to Mobile Alabama to catch our boat, some dude hauling a mobile home lost a window and we drove through a cloud of busting glass going 80 miles per hour! The night before the cruise, we stayed in the Malaga Inn and I crawled UNDER the hotel to look at an old civil war bunker. WOAH! Then, on the way to and from Cozumel, the boat plowed through two beautiful and slightly violent storms. But, the adventures you have while travelling often pale in comparison to the cult of personalities you meet along the way.  :) We met many cool people during our travels and we made some new friends. Todd and Andrea are in the publishing business (www.myneworleans.com) and teaching, respectively. Erika is a teacher too and Matt has a pig on his foot. This story is about the pig. Without that pig on Matt’s foot, we probably would have hit a buoy and drowned. Alright, so…this pig on Matt’s foot…this is no henna tatt, this is a man’s tattoo. Apparently, getting tattoos on your feet is very painful because there is very little muscle and fat and lots of nifty nerves to tell you that you might be doing something stupid. Pig and rooster tattoos carry special meaning for sailors of old. According to some sources, having a tattoo of a pig or rooster on one foot or the other will keep you from drowning. There are many great musings as to why a pig and a rooster might save your life. The most plausible in my opinion is that pigs and roosters were common livestock tagging along with the crew. Since they were shipped in wooden crates, pigs and roosters were often counted amongst the survivors when ships succumbed to Davy Jones’ Locker. I didn’t spend a whole lot of time researching the pig and the rooster, so consider these musings as you would a grain of salt. And, I was not able to find a lot of what you might consider credible history regarding the tradition. What I did find was a comfort, or solace, in the maritime tradition. Seems like raw traditions like the pig and the rooster are in danger of getting lost in a sea of non-permanence. I mean, what traditions are us old programmers and techies leaving behind for future generations? Makes me wonder what Ward Christensen has tattooed on his left foot.  I guess my choice would have to be a Commodore 64.   (I met Ward, by the way, in an elevator after he received his Dvorak awards in 1992. He was a very non-assuming individual sporting business casual and was very much a “sailor” of an old-school programmer. I can’t remember his exact words, but I think they were essentially that he felt it odd that he was getting an award for just doing his work. I’m sure that Ward doesn’t know this…he couldn’t have set a more positive example for a young 22 year old programmer. Thanks Ward!)

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• jquery stop image rotation on mouseover, start on mouseout / hover

  - by Matt Nathanson

  I have built a jQuery rotator to rotate through 3 divs and loop them. I would like to add the functionality on mouse over to "freeze" the current div and then start again on mouse out. I've thought about setting a variable to false at the start of the function and setting it true when it's on it's current frame but I've got my self a bit confused. I've also tried to use the hover function but when using the in and out handlers, I'm confused as to how to stop, restart the animation. function ImageRotate() { var CurrentFeature = "#container" + featureNumber; $(CurrentFeature).stop(false, true).delay(4500).animate({'top' : '330px'}, 3000); var featureNumber2 = featureNumber+1; if ( featureNumber == numberOfFeatures) {featureNumber2 = 1} var NewFeature = "#container" + featureNumber2; $(NewFeature).stop(false, true).delay(4500).animate({'top' : '0px'}, 3000); var featureNumber3 = featureNumber-1; if ( featureNumber == 1) {featureNumber3 = numberOfFeatures}; var OldFeature = "#container" + featureNumber3; $(OldFeature).stop(false, true).delay(4500).css('top' , '-330px'); setTimeout('if (featureNumber == numberOfFeatures){featureNumber = 1} else {featureNumber++}; ImageRotate2()', 7500)}; Any help would be greatly appreciated!! Thanks, Matt

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• Is it possible to make a non-nullable column nullable when used in a view? (sql server)

  - by Matt

  Hi, To start off I have two tables, PersonNames and PersonNameVariations. When a name is searched, it finds the closest name to one of the ones available in PersonNames and records it in the PersonNameVariations table if it's not already in there. I am using a stored proc to search the PersonNames for a passed in PersonNameVariationand return the information on both the PersonName found and the PersonNameVariation that was compared to it. Since I am using the Entity Framework, I needed return a complex type in the Import Function but for some reason it says my current framework doesn't support it. My last option was to use an Entity to return in my stored proc instead. The result that I needed back is the information on both the PersonName that was found and the PersonNameVariation that was recorded. Since I cannot return both entities, I created a view PersonSearchVariationInfo and added it into my Entity Framework in order to use it as the entity to return. The problem is that the search will not always return a Person Name match. It needs to be able to return only the PersonNameVariation data in some cases, meaning that all the fields in the PersonSearchVariationInfo pertaining to PersonName need to be nullable. How can I take my view and make some of the fields nullable? When I do it directly in the Entity Framework I get a mapping error: Error 4 Error 3031: Problem in mapping fragments starting at line 1202:Non-nullable column myproject_vw_PersonSearchVariationInfo.DateAdded in table myproject_vw_PersonSearchVariationInfo is mapped to a nullable entity property. C:\Users\Administrator\Documents\Visual Studio 2010\Projects\MyProject\MyProject.Domain\EntityFramework\MyProjectDBEntities.edmx 1203 15 MyProject.Domain Anyone have any ideas? Thanks, Matt

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• Optimizing Levenshtein Distance Algorithm

  - by Matt

  I have a stored procedure that uses Levenshtein Distance to determine the result closest to what the user typed. The only thing really affecting the speed is the function that calculates the Levenshtein Distance for all the records before selecting the record with the lowest distance (I've verified this by putting a 0 in place of the call to the Levenshtein function). The table has 1.5 million records, so even the slightest adjustment may shave off a few seconds. Right now the entire thing runs over 10 minutes. Here's the method I'm using: ALTER function dbo.Levenshtein ( @Source nvarchar(200), @Target nvarchar(200) ) RETURNS int AS BEGIN DECLARE @Source_len int, @Target_len int, @i int, @j int, @Source_char nchar, @Dist int, @Dist_temp int, @Distv0 varbinary(8000), @Distv1 varbinary(8000) SELECT @Source_len = LEN(@Source), @Target_len = LEN(@Target), @Distv1 = 0x0000, @j = 1, @i = 1, @Dist = 0 WHILE @j <= @Target_len BEGIN SELECT @Distv1 = @Distv1 + CAST(@j AS binary(2)), @j = @j + 1 END WHILE @i <= @Source_len BEGIN SELECT @Source_char = SUBSTRING(@Source, @i, 1), @Dist = @i, @Distv0 = CAST(@i AS binary(2)), @j = 1 WHILE @j <= @Target_len BEGIN SET @Dist = @Dist + 1 SET @Dist_temp = CAST(SUBSTRING(@Distv1, @j+@j-1, 2) AS int) + CASE WHEN @Source_char = SUBSTRING(@Target, @j, 1) THEN 0 ELSE 1 END IF @Dist > @Dist_temp BEGIN SET @Dist = @Dist_temp END SET @Dist_temp = CAST(SUBSTRING(@Distv1, @j+@j+1, 2) AS int)+1 IF @Dist > @Dist_temp SET @Dist = @Dist_temp BEGIN SELECT @Distv0 = @Distv0 + CAST(@Dist AS binary(2)), @j = @j + 1 END END SELECT @Distv1 = @Distv0, @i = @i + 1 END RETURN @Dist END Anyone have any ideas? Any input is appreciated. Thanks, Matt

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• Post on a logged in users facebook wall

  - by Matt Nathanson

  Hey all, I've created a widget that will essentially unlock a music track, providing you post to either your twitter account, or facebook wall. I've signed up through facebook connect and I am able to successfully post onto my own wall... but the functionality I'm looking for is to be able to take ones username and password and automatically log in to facebook, and send my desired message. Like I said, it posts on my wall successfully, it's just not using the username and password from the field to log in to their respective facebooks and post. <?php $facename = $_POST['facename']; $facepass = $_POST['facepass']; define('FB_APIKEY', 'my_api_key'); define('FB_SECRET', 'my_secret_phrase_'); define('FB_SESSION', 'my_session_id'); require_once('facebook.php'); echo "post on wall"; try { $facebook = new Facebook(FB_APIKEY, FB_SECRET); $facebook->api_client->session_key = FB_SESSION; $fetch = array('friends' => array('pattern' => '.*', 'query' => "select uid2 from friend where uid1={$facename}")); echo $facebook->api_client->admin_setAppProperties(array('preload_fql' => json_encode($fetch))); $message = 'I downloaded Automatic Loveletter\'s new single \'To Die For\' here!'; if( $facebook->api_client->stream_publish($message)) echo "Added on FB Wall"; } catch(Exception $e) { echo $e . "<br />"; } ?> Any help in the right direction is greatly appreciated! Thanks, Matt

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• PHP Codeigniter Undefined Offset Error

  - by Matt

  Hello, I am building a Codeigniter shopping cart. On the cart details page I have a form input field allowing the user to type in the quantity required of a product, and a submit button to post the information to the update function. When there is just one item in the cart, when updating the quantity everything works as it should. However, when there is more than one item, changing the quantity of an item and clicking submit results in a ‘Undefined Offset 1: error on the following code in the Model (specifically the two lines within the array) : function validate_update_cart() { $total = $this->cart->total_items(); $item = $this->input->post('rowid'); $qty = $this->input->post('qty'); for($i=0;$i < $total;$i++) { $data = array( 'rowid' => $item[$i], 'qty' => $qty[$i] ); $this->cart->update($data); } } This is the View code to which the above refers: <form action="<?php echo base_url(); ?>home/update" method="post"> <div><input type="hidden" name="rowid[]" value="<?php echo $item['rowid']; ?>"/></div> <div><input type="text" name="qty[]" value="<?php echo $item['qty']; ?>" maxlength="2" class="chg-qty"/></div> <div><input type="submit" value="update" class="update-quantity"/></div> </form> And this is the Controller: function update() { $this->products_model->validate_update_cart(); redirect('cart'); } Please can anyone explain why this is happening? Many thanks, Matt

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• Why is ExecuteFunction method only available through base.ExecuteFunction in a child class of Object

  - by Matt

  I'm trying to call ObjectContext.ExecuteFunction from my objectcontext object in the repository of my site. The repository is generic, so all I have is an ObjectContext object, rather than one that actually represents my specific one from the Entity Framework. Here's an example of code that was generated that uses the ExecuteFunction method: [global::System.CodeDom.Compiler.GeneratedCode("System.Data.Entity.Design.EntityClassGenerator", "4.0.0.0")] public global::System.Data.Objects.ObjectResult<ArtistSearchVariation> FindSearchVariation(string source) { global::System.Data.Objects.ObjectParameter sourceParameter; if ((source != null)) { sourceParameter = new global::System.Data.Objects.ObjectParameter("Source", source); } else { sourceParameter = new global::System.Data.Objects.ObjectParameter("Source", typeof(string)); } return base.ExecuteFunction<ArtistSearchVariation>("FindSearchVariation", sourceParameter); } But what I would like to do is something like this... public class Repository<E, C> : IRepository<E, C>, IDisposable where E : EntityObject where C : ObjectContext { private readonly C _ctx; // ... public ObjectResult<E> ExecuteFunction(string functionName, params[]) { // Create object parameters return _ctx.ExecuteFunction<E>(functionName, /* parameters */) } } Anyone know why I have to call ExecuteFunction from base instead of _ctx? Also, is there any way to do something like I've written out? I would really like to keep my repository generic, but with having to execute stored procedures it's looking more and more difficult... Thanks, Matt

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• Async trigger for an update panel refreshes entire page when triggering too much in too short of tim

  - by Matt

  I have a search button tied to an update panel as a trigger like so: <asp:Panel ID="CRM_Search" runat="server"> <p>Search:&nbsp;<asp:TextBox ID="CRM_Search_Box" CssClass="CRM_Search_Box" runat="server"></asp:TextBox> <asp:Button ID="CRM_Search_Button" CssClass="CRM_Search_Button" runat="server" Text="Search" OnClick="SearchLeads" /></p> </asp:Panel> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <Triggers> <asp:AsyncPostBackTrigger ControlID="CRM_Search_Button" /> </Triggers> <ContentTemplate> /* Content Here */ </ContentTemplate> </asp:UpdatePanel> In my javascript I use jQuery to grab the search box and tie it's keyup to make the search button click: $($(".CRM_Search_Box")[0]).keyup( function () { $($(".CRM_Search_Button")[0]).click(); } ); This works perfectly, except when I start typing too fast. As soon as I type too fast (my guess is if it's any faster than the data actually returns) the entire page refreshes (doing a postback?) instead of just the update panel. I've also found that instead of typing, if I just click the button really fast it starts doing the same thing. Is there any way to prevent it from doing this? Possibly prevent 2nd requests until the first has been completed? If I'm not on the right track then anyone have any other ideas? Thanks, Matt

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• Relay WCF Service

  - by Matt Ruwe

  This is more of an architectural and security question than anything else. I'm trying to determine if a suggested architecture is necessary. Let me explain my configuration. We have a standard DMZ established that essentially has two firewalls. One that's external facing and the other that connects to the internal LAN. The following describes where each application tier is currently running. Outside the firewall: Silverlight Application In the DMZ: WCF Service (Business Logic & Data Access Layer) Inside the LAN: Database I'm receiving input that the architecture is not correct. Specifically, it has been suggested that because "a web server is easily hacked" that we should place a relay server inside the DMZ that communicates with another WCF service inside the LAN which will then communicate with the database. The external firewall is currently configured to only allow port 443 (https) to the WCF service. The internal firewall is configured to allow SQL connections from the WCF service in the DMZ. Ignoring the obvious performance implications, I don't see the security benefit either. I'm going to reserve my judgement of this suggestion to avoid polluting the answers with my bias. Any input is appreciated. Thanks, Matt

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• What is the Best way to databind an ASP.NET TreeView for table with many to many parent child relati

  - by Matt W

  I've got a table which has the usual ParentID, ChildID as it's first two columns in a self-referencing tree data structure. My issue is that when I pull this out and use the following code: DataSet set = DA.GetNewCategories(); set.Relations.Add( new DataRelation("parentChildCategories", set.Tables[0].Columns["CategoryParentID"], set.Tables[0].Columns["CategoryID"]) ); StringBuilder buildXml = new StringBuilder(); StringWriter writer = new StringWriter(buildXml); set.WriteXml(writer); TreeView2.DataSource = new HierarchicalDataSet(set, "CategoryID", "CategoryParentID"); TreeView2.DataBind(); I get the error: These columns don't currently have unique values I believe this is because my data has children with multiple parent nodes. This is fine for my application - I don't mind if one row of data is rendered in multiple nodes of my TreeView. Could someone shed light on this please? It doesn't seem unreasonable to have a DataSet render XML which has nodes appearing in multiple places, but I can't figure out how to do it. Thanks, Matt.

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• Using nhibernate <loader> element with HQL queries

  - by Matt

  Hi All I'm attempting to use an HQL query in element to load an entity based on other entities. My class is as follows public class ParentOnly { public ParentOnly(){} public virtual int Id { get; set; } public virtual string ParentObjectName { get; set; } } and the mapping looks like this <class name="ParentOnly"> <id name="Id"> <generator class="identity" /> </id> <property name="ParentObjectName" /> <loader query-ref="parentonly"/> </class> <query name="parentonly" > select new ParentOnly() from SimpleParentObject as spo where spo.Id = :id </query> The class that I am attemping to map on top of is SimpleParentObject, which has its own mapping and can be loaded and saved without problems. When I call session.Get(id) the sql runs correctly against the SimpleParentObject table, and the a ParentOnly object is instantiated (as I can step through the constructer), but only a null comes back, rather than the instantiated ParentOnly object. I can do this succesfully using a instead of the HQL, but am trying to build this in a database independent fashion. Any thoughts on how to get the and elements to return a populated ParentOnly object...? Thanks Matt

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• [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified - works

  - by Matt

  Hello, I am developing a java app (with odbc bridge - forgive me - the only paradox driver I have been able to obtain is the microsoft odbc driver) - which works fine while in eclipse, (and netbeans) - connecting and obtaining data from an ancient paradox 5.x database. So long as it is run from inside my IDE - it compiles and runs flawlessly. When I export it to a runable jar, suddenly [code][Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified[/code] occurs. The jar is being run on the same box as my developing IDE - so I am confused about the cause. It is being run via console from a user account, as per the IDE. My connection string is "jdbc:odbc:Driver={Microsoft Paradox Driver (*.db )};DriverID=538; Fil=Paradox 5.X; DefaultDir=C:\paradox\database\location\" - obtained from connectionstrings.com - and as mentioned before, working fine while run from the IDE. The above seems to 'magically' create its own connection, avoiding the setup of a dsn - I am unsure quite how it does - but it works. The only other thing I can think that might be pertinent is that my PC is a 64bit o/s (windows server 2008). Please help, any suggestions or comments will be greatly appreciated. Thanks, Matt

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• PHP, We have sessions, and cookies....I love cookies, but they are blowing my mind right now.

  - by Matt

  I am not sure how to go about accessing the variable I need to set on a cookie... I was thinking about using the $_POST global but I dont know how based on my design if it will work. I am using a master page type design seperating index.php from my function includes and database information and individual pages (that will be returned to an include in index.php based on a $_GET) Okay so back to my question. What is the most efficient way to set a cookie on a design that has a main page that everything will branch from. How would I pull the value. Is $_POST a good enough way to go about it? Also...by saying it must be the first thing sent...does that mean I cannot run any serverside scripts before that? I could definately utilize a login query I think but I dont want to write code just to be dissapointed based on my lack of time and knowledge. I did search for answers...I know this most likely feels like a generic question that could be answered in a difference place...but I know I will get an accurate and professional answer here...so I dont want to bet on the half answers I found otherwise. Of course I will sanitize everything and not store any sensitive information (passwords,address,phone,or anything really for that matter besides some kind of session ID and the username) If this is confusing I am sorry but I am on a gov computer...and they lock these tighter than ft knox...so getting my code on here will be a chore until I get back to my room. Thanks, Matt

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• Creating Persistent Drive Labels With UDEV Using /dev/disk/by-path

  - by Matt

  I have a new BackBlaze Pod (BackBlaze Pod 2.0). It has 45 3TB drives and they when I first set it up they were labeled /dev/sda through /dev/sdz and /dev/sdaa through /dev/sdas. I used mdadm to setup three really big 15 drive RAID6 arrays. However, since first setup a few weeks ago I had a couple of the hard drives fail on me. I've replaced them but now the arrays are complaining because they can't find the missing drives. When I list the the disks... ls -l /dev/sd* I see that /dev/sda /dev/sdf /dev/sdk /dev/sdp no longer appear and now there are 4 new ones... /dev/sdau /dev/sdav /dev/sdaw /dev/sdax I also just found that I can do this... ls -l /dev/disk/by-path/ total 0 lrwxrwxrwx 1 root root 10 Sep 19 18:08 pci-0000:02:04.0-scsi-0:0:0:0 -> ../../sdau lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-0:1:0:0 -> ../../sdb lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-0:2:0:0 -> ../../sdc lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-0:3:0:0 -> ../../sdd lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-0:4:0:0 -> ../../sde lrwxrwxrwx 1 root root 10 Sep 19 18:08 pci-0000:02:04.0-scsi-2:0:0:0 -> ../../sdae lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-2:1:0:0 -> ../../sdg lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-2:2:0:0 -> ../../sdh lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-2:3:0:0 -> ../../sdi lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-2:4:0:0 -> ../../sdj lrwxrwxrwx 1 root root 10 Sep 19 18:08 pci-0000:02:04.0-scsi-3:0:0:0 -> ../../sdav lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-3:1:0:0 -> ../../sdl lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-3:2:0:0 -> ../../sdm lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-3:3:0:0 -> ../../sdn lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:02:04.0-scsi-3:4:0:0 -> ../../sdo lrwxrwxrwx 1 root root 10 Sep 19 18:08 pci-0000:04:04.0-scsi-0:0:0:0 -> ../../sdax lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-0:1:0:0 -> ../../sdq lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-0:2:0:0 -> ../../sdr lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-0:3:0:0 -> ../../sds lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-0:4:0:0 -> ../../sdt lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-2:0:0:0 -> ../../sdu lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-2:1:0:0 -> ../../sdv lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-2:2:0:0 -> ../../sdw lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-2:3:0:0 -> ../../sdx lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-2:4:0:0 -> ../../sdy lrwxrwxrwx 1 root root 9 Sep 19 18:08 pci-0000:04:04.0-scsi-3:0:0:0 -> ../../sdz I didn't list them all....you can see the problem above. They're sorted by scsi id here but sda is missing...replaced by sdau...etc... So obviously the arrays are complaining. Is it possible to get Linux to reread the drive labels in the correct order or am I screwed? My initial design with 15 drive arrays is not ideal. With 3TB drives the rebuild times were taking 3 or 4 days....maybe more. I'm scrapping the whole design and I think I am going to go with 6 x 7 RAID5 disk arrays and 3 hot spares to make the arrays a bit easier to manage and shorten the rebuild times. But I'd like to clean up the drive labels so they aren't out of order. I haven't figured out how to do this yet. Does anyone know how to get this straightened out? Thanks, Matt

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• Programmatically Creating fieldset, ol/ul and li tags in ASP.Net, C#

  - by Matt

  Hi, I need to write an ASP.Net form which will produce the following HTML: <fieldset> <legend>Contact Details</legend> <ol> <li> <label for="name">Name:</label> <input id="name" name="name" class="text" type="text" /> </li> <li> <label for="email">Email address:</label> <input id="email" name="email" class="text" type="text" /> </li> <li> <label for="phone">Telephone:</label> <input id="phone" name="phone" class="text" type="text" /> </li> </ol> </fieldset> However, the fields which are to be added to the form will be determined at runtime, so I need to create the fieldset at runtime and add an ordered list and listitems to it, with labels, textboxes, checkboxes etc as appropriate. I can’t find standard ASP.Net objects which will create these tags. For instance, I’d like to do something like the following in C#: FieldSet myFieldSet = new FieldSet(); myFieldSet.Legend = “Contact Details”; OrderedList myOrderedList = new OrderedList(); ListItem listItem1 = new ListItem(); ListItem listItem2 = new ListItem(); ListItem listItem3 = new ListItem(); // code here which would add labels and textboxes to the ListItems myOrderedList.Controls.Add(listItem1); myOrderedList.Controls.Add(listItem2); myOrderedList.Controls.Add(listItem3); myFieldSet.Controls.Add(myOrderedList); Form1.Controls.Add(myFieldSet); Are there any standard ASP.Net objects which can produce this, or is there some other way of achieving the same result? Matt

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• Use of clone() and appendTo() with draggable - unexpected results with dragging

  - by Matt Gutting

  I'm constructing a UI for a doctor scheduling app. We have several doctors, each of whom can go in one of several locations on a scheduled day (M - F). I have the main day/location grid (table) in the center of the screen. At the left is a table for the doctor names. On loading, each table cell contains a span (outlined) with the doctor name. The doctor name can go in one slot for each day. I didn't want to just put 5 copies of the doctor name, because the doctor might not be available all 5 days of the week. The idea was: Drag the span and drop into the calendar table. On the drag "start" event, clone the span and append it to the table cell. Now there is another span ready to be dropped into the calendar table. One line of code does the work: $(ui.helper).clone(true).prependTo(ui.helper.parent()); This works. But when I move the cloned span, the original one moves in sync - preserving the spatial relationships as I move the clone around (no doubt there's a "position:relative;left=XX;top=YY" inserted somewhere). I'm sure there's a way to do what I'm thinking of, while keeping the two spans independent. But I'm not thinking of one. Does anyone have an idea? Thanks! Matt I posted this identical question to the jQuery forum as well.

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• Pulling info from database and dynamically adding them into different divs

  - by Matt Nathanson

  This may be a bit of a php n00b question but i've managed to get it working this far and I'm a little bit stuck. I'm pulling 12 images with descriptions out of a database. I want to insert them into a client rotator that has 3 sets of 4. They will be contained in divs called clientrotate1, clientrotate2, and clientrotate3 respectively. Inside each of those divs I want to have 4 images with classes thumb1, thumb2, thumb3, and thumb4 I am successful in having the images and descriptions pull into clientrotator 1. Where I get stuck is to how to dynamically add the 2nd and 3rd set of data into clientrotator2 and clientrotator3. Here is my function: public function DisplayClientRotator(){ $result = mysql_query( 'SELECT * FROM project ORDER BY id DESC LIMIT 12' ) or die("SELECT Error: ".mysql_error()); $iterator = 1; while ($row = mysql_fetch_assoc($result)) { echo "<div id='clientrotate1'>"; echo "<div class='thumb$iterator'>"; echo "<img style='width: 172px; height: 100px;' src=".$row['photo']." />"; echo "<div class='transbox'>"; echo "<div class='thumbtext'>"; echo $row['campaign']; echo "</div>"; echo "</div>"; echo "</div>"; echo "</div>"; $iterator++; } Any help or pointers int he right direction would be greatly appreciated! Thanks so much, Matt

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• Parse XML function names and call within whole assembly

  - by Matt Clarkson

  Hello all, I have written an application that unit tests our hardware via a internet browser. I have command classes in the assembly that are a wrapper around individual web browser actions such as ticking a checkbox, selecting from a dropdown box as such: BasicConfigurationCommands EventConfigurationCommands StabilizationCommands and a set of test classes, that use the command classes to perform scripted tests: ConfigurationTests StabilizationTests These are then invoked via the GUI to run prescripted tests by our QA team. However, as the firmware is changed quite quickly between the releases it would be great if a developer could write an XML file that could invoke either the tests or the commands: <?xml version="1.0" encoding="UTF-8" ?> <testsuite> <StabilizationTests> <StressTest repetition="10" /> </StabilizationTests> <BasicConfigurationCommands> <SelectConfig number="2" /> <ChangeConfigProperties name="Weeeeee" timeOut="15000" delay="1000"/> <ApplyConfig /> </BasicConfigurationCommands> </testsuite> I have been looking at the System.Reflection class and have seen examples using GetMethod and then Invoke. This requires me to create the class object at compile time and I would like to do all of this at runtime. I would need to scan the whole assembly for the class name and then scan for the method within the class. This seems a large solution, so any information pointing me (and future readers of this post) towards an answer would be great! Thanks for reading, Matt

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• .net Class "is not a member of" Class .. even though it is?

  - by Matt Thrower

  Hi, Looking over some older code, I've run into a strange namespace error. Let's say I have two projects, HelperProject and WebProject. The full namespace of each - as given in application properties - is myEmployer.HelperProject and myEmployer.Web.WebProject. The pages in the web project are full of statements that use classes from the helper project. There are no imports/using statements but there is a reference to the helper project added in the bin. A few example lines might be: myEmployer.HelperProject.StringHelper.GetFixedLengthText(Text, "", Me.Width, 11) myEmploter.HelperProject.Utils.StringHelper.EstimatePixelLength(Text, 11) However every line that is written in this manner is throwing the error 'HelperProject' is not a member of 'myEmployer'. If you declare the statements like this: HelperProject.StringHelper.GetFixedLengthText(Text, "", Me.Width, 11) HelperProject.Utils.StringHelper.EstimatePixelLength(Text, 11) Everything seems fine. In the solution object browser and the bin folder, HelperProject appears with its full namespace, myEmployer.HelperProject. I don't want to have to change all the statements, and besides I suspect this is masking a more fundamental problem here. But I have no idea what's going on. Can anyone offer any pointers please? Cheers, Matt

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• With regards to urllib AttributeError: 'module' object has no attribute 'urlopen'

  - by Matt

  import re import string import shutil import os import os.path import time import datetime import math import urllib from array import array import random filehandle = urllib.urlopen('http://www.google.com/') #open webpage s = filehandle.read() #read print s #display #what i plan to do with it once i get the first part working #results = re.findall('[<td style="font-weight:bold;" nowrap>$][0-9][0-9][0-9][.][0-9][0-9][</td></tr></tfoot></table>]',s) #earnings = '$ ' #for money in results: #earnings = earnings + money[1]+money[2]+money[3]+'.'+money[5]+money[6] #print earnings #raw_input() this is the code that i have so far. now i have looked at all the other forums that give solutions such as the name of the script, which is parse_Money.py, and i have tried doing it with urllib.request.urlopen AND i have tried running it on python 2.5, 2.6, and 2.7. If anybody has any suggestions it would be really welcome, thanks everyone!! --Matt ---EDIT--- I also tried this code and it worked, so im thinking its some kind of syntax error, so if anybody with a sharp eye can point it out, i would be very appreciative. import shutil import os import os.path import time import datetime import math import urllib from array import array import random b = 3 #find URL URL = raw_input('Type the URL you would like to read from[Example: http://www.google.com/] :') while b == 3: #get file name file1 = raw_input('Enter a file name for the downloaded code:') filepath = file1 + '.txt' if os.path.isfile(filepath): print 'File already exists' b = 3 else: print 'Filename accepted' b = 4 file_path = filepath #open file FileWrite = open(file_path, 'a') #acces URL filehandle = urllib.urlopen(URL) #display souce code for lines in filehandle.readlines(): FileWrite.write(lines) print lines print 'The above has been saved in both a text and html file' #close files filehandle.close() FileWrite.close()

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• WCF service with PHP client - complex type as parameter not working

  - by Matt F

  Hi, I have a WCF service with three methods. Two of the methods return custom types (these work as expected), and the third method takes a custom type as a parameter and returns a boolean. When calling the third method via a PHP soap client it returns an 'Object reference not set to an instance of an object' exception. Example Custom Type: _ Public Class MyClass Private _propertyA As Double <DataMember()> _ Public Property PropertyA() As Double Get Return _propertyA End Get Set(ByVal value As Double) _propertyA = value End Set End Property Private _propertyB As Double <DataMember()> _ Public Property PropertyB() As Double Get Return _propertyB End Get Set(ByVal value As Double) _propertyB = value End Set End Property Private _propertyC As Date <DataMember()> _ Public Property PropertyC() As Date Get Return _propertyC End Get Set(ByVal value As Date) _propertyC = value End Set End Property End Class Method: Public Function Add(ByVal param As MyClass) As Boolean Implements IService1.Add ' ... End Function PHP client call: $client-Add(array('param'=array( 'PropertyA' = 1, 'PropertyB' = 2, 'PropertyC' = "2009-01-01" ))); The WCF service works fine with a .Net client but I'm new to PHP and can't get this to work. Is it possible to create an instance of 'MyClass' in PHP. Any help would be appreciated. Note: I'm using PHP 5 (XAMPP 1.7.0 for Windows). Thanks Matt

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• Handle order dependence in loops

  - by Matt

  Hey all, I'm making a templating system where I instantiate each tag using a foreach loop. The issue is that some of the tags rely on each other so, I'm wondering how to get around that ordering from the looping. Here's an example: Class A { public $width; __construct() { $this->width = $B->width; // Undefined! Or atleast not set yet.. } } Class B { public $width; __construct() { $this->width = "500px"; } __tostring() { return "Hello World!"; } } Template.php $tags = array("A", "B"); foreach ($tags as $tag) { $TagObj[$tag] = new $tag(); } echo $TagObj['A']->width; // Nadamundo! EDIT: Ok just to clarify.. My main problem is that Class A relies on Class B, but class A is instantiated before class B, so therefore width has not yet been defined in class B. I am looking for a good way to make sure all the classes are loaded for everyone allowing the interdependencies to exist. For the future, please don't consider any syntax errors.. I just made up this example on the spot. Also assume that I have access to class B from class A after class B gets instantiated. I know this has applications elsewhere and I'm sure this has been solved before, if someone could enlighten me or point me in the right direction that'd be great! Thanks! Matt Mueler

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• Unable to use stored procs in a generic repository for the entity framework. (ASP.NET MVC 2)

  - by Matt

  Hi, I have a generic repository that uses the entity framework to manipulate the database. The original code is credited to Morshed Anwar's post on CodeProject. I've taken his code and modified is slightly to fit my needs. Unfortunately I'm unable to call an Imported Function because the function is only recognized for my specific instance of the entity framework public class Repository<E, C> : IRepository<E, C>, IDisposable where E : EntityObject where C : ObjectContext { private readonly C _ctx; public ObjectResult<MyObject> CallFunction() { // This does not work because "CallSomeImportedFunction" only works on // My object. I also cannot cast it (TrackItDBEntities)_ctx.CallSomeImportedFunction(); // Not really sure why though... but either way that kind of ruins the genericness off it. return _ctx.CallSomeImportedFunction(); } } Anyone know how I can make this work with the repository I already have? Or does anyone know a generic way of calling stored procedures with entity framework? Thanks, Matt

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