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• Doctrine lazy loading classes takes 100 ms?!

  - by ropstah

  I'm lazy loading my Doctrine classes in my website. Benchmarking has showed that Doctrine::loadModels('models') takes over 100 ms to complete! I have 118 tables in total, but still... setting attribute to conservative loading: Doctrine_Manager::getInstance()->setAttribute(Doctrine::ATTR_MODEL_LOADING, Doctrine::MODEL_LOADING_CONSERVATIVE); running the benchmark part: $CI->benchmark->mark('Doctrineload_start'); Doctrine::loadModels(APPPATH.'models'); $CI->benchmark->mark('Doctrineload_end'); And the result: Doctrineload 0.1085 (seconds) Is this 'normal'? 'context': Loading Time Base Classes 0.0233 Doctrineinit 0.0435 //doctrine_pi.php file, doctrine configuration + db account Doctrineload 0.1085 Masterpageset 0.0001 Userload 0.1208 //1 db query Masterpageaddcontent 0.1565 //1 db query, loading view with some <?=?> php parsing Masterpageshow 0.0203 //loading view Controller Execution Time ( Home / Index ) 0.3591 Total Execution Time 0.3826

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• what perl regex should I use to get value from line

  - by Octopus

  I am trying to capture the cpu usage from the running process. For SunOS, I have below output process,10050,user1,218,59,0,1271M,1260M,sleep,58.9H,0.02%,java here the cpu % is at 11th field if we separate by comma(,). To get this value I am using below regex regex => q/^process,(?:.*?),((?:\d+)\.(?:\d+))%,java$/, but for the linux system I have below output. process,26190,user1,20,0,1236m,43m,6436,S,0.0,1.1,0:00.00,java, here the cpu usage is at 10th column What regex pattern should i use to get this value. Appreciate for any suggestion.

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• Objective-C - How to add objects in 2d NSMutableArrays

  - by thary

  Hello, I have this code NSMutableArray *insideArray = [[NSMutableArray alloc] init]; NSMutableArray *outsideArray = [[NSMutableArray alloc] init]; [insideArray addObject:@"Hello 1"]; [insideArray addObject:@"Hello 2"]; [outsideArray addObject:insideArray]; [insideArray removeAllObjects]; [insideArray addObject:@"Hello 3"]; [insideArray addObject:@"Hello 4"]; [outsideArray addObject:insideArray]; The current output is array( ( "Hello 3", "Hello 4" ), ( "Hello 3", "Hello 4" ) ) I need a way to get the output to be array( ( "Hello 1", "Hello 2" ), ( "Hello 3", "Hello 4" ) ) Does anyone have a solution or could see where i've gone wrong? Thanks

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• searching for address matches using sql server 2008 full text search

  - by Sridhar

  Hi, I am not sure how to search for address matches using sql server 2008 full text search. This is what I tried but it doesn't return any records. TableA ------ Address1 Address2 City State Zip All the above columns in the table are full text indexed. Let's say if the user enters "123 Apple street FL 33647" and I have a record in the table as Address1 = "123" , Address2 = "Apple street", City = "Tampa", State = "FL" and Zip = "33647" I would like the query to return this. can you please let me know how I would do this. query tried -------------- SELECT * FROM TableA WHERE CONTAINS((Address1, Address2, City, State, zip), N'FORMSOF(THESAURUS, 123AppleStreetFL33647)'); If I put spaces in the search word, it is giving syntax error. Thanks, sridhar.

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• IE8 AJAX GET setRequestHeaders not working unless params provided in URL

  - by bobthabuilda

  I'm trying to create an AJAX request in IE8. var xhr = new ActiveXObject( 'Msxml2.XMLHTTP' ); xhr.open( 'GET', '/ajax/' ); // Required header for Django to detect AJAX request xhr.setRequestHeader( 'X-Requested-With', 'XMLHttpRequest' ); xhr.onreadystatechange = function() { if ( this.readyState == 4 ) console.log(this.responseText); } xhr.send( null ); This works perfectly fine in Firefox, Chrome, Safari. In IE8 however, all of my AJAX test requests work EXCEPT for ones where I'm performing GETs without any query string params (such as the one above). POSTs work without question, and GET requests only work whenever I include query strings in the URL, like this: xhr.open( 'GET', '/ajax/?foo=bar' ) I'm also 110% positive that my server code is handling these requests appropriately, so, this stumps me completely. Does anyone have any clue as to what might be causing this?

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• C# WMI Eventwatcher code stopped working on Windows 7 with security exception

  - by Flores

  This is code that worked fine on Windows XP for years. User is not local administrator. WqlEventQuery query = new WqlEventQuery("SELECT * FROM Win32_ProcessStopTrace"); ConnectionOptions co = new ConnectionOptions(); co.EnablePrivileges = true; ManagementEventWatcher watcher = new ManagementEventWatcher(new ManagementScope(@"root\cimv2",co), query); watcher.EventArrived += StopEventArrived; watcher.Start(); This throws an SecurityException on Windows 7, Access Denied when running as a non admin. On XP this works fine without being admin. On this link MS states that 'Windows 7: Low-integrity users have read-only permissions for local WMI operations.'. I guess this is the problem. But I can't find any clue on how to change this.

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• PHP array : simple question about multidimensional array

  - by Tristan

  Hello, i've got a SQL query which returns multiple rows, and i have : $data = array( "nom" => $row['nom'] , "prix" => $row['rapport'], "average" => "$moyenne_ge" ); which is perfect, but only if my query returns one row. i tried that : $data = array(); $data[$row['nom']]["nom"] = $row['nom'] ; ... $data[$row['nom']]['average'] = "$moyenne_ge"; in order to have : $data[brand1][nom] = brand1 $data[brand1][average] = 150$ $data[brand2][nom] = brand2 $data[brand2][average] = 20$ ... but when i do : json_encode($data) i only have the latest JSON object instead of all JSON object from my request as if my array has only one brand instead of 10. I guess i did something stupid somewhere. Thanks for your help

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• Convert a PDF to a Transparent PNG with GhostScript

  - by Jonathon Wolfe

  Hi all. I am attempting, unsuccessfully, to use Ghostscript to rasterize PDF files with a transparent background to PNG files with a transparent background. I've searched high and low for questions from others attempting the same thing and none of the posted solutions, which as far as I can tell come down to specifying -sDEVICE=pngalpha, have worked with my test files. At this point I would really appreciate any advice or tips a more experienced hand could provide. My test PDF is located here: http://www.kolossus.com/files/test.pdf It could be that the issue is with this file, but I doubt it. As far as I can tell, it has no specified background, and when I open the file with a transparency-aware app like Photoshop or Illustrator, sure enough it displays with a transparent background. However, when opened with an application like Adobe Reader the file is rendered with a white background. I believe that this has more to do with the application rendering the PDF than with the PDF itself -- apps like Adobe Reader assume you want to see what a printed document will look like and therefore always show a white canvas behind the artwork -- but I can't be sure. The gs command I'm using is: gs -dNOPAUSE -dBATCH -sDEVICE=pngalpha -r72 -sOutputFile=test.png test.pdf This produces a PNG that has transparent pixels outside of the bounding box of the artwork in the file, but all pixels that are inside the artwork's bounding box are rasterized against a white background. This is a problem for me, as my artwork has drop shadows and antialiased edges that need to be preserved in the final output, and can't just be postprocessed out with ImageMagick. A sample of my PNG output is at the same location as the pdf above, with .png at the end (stackoverflow won't let me include more than one url in my post). Interestingly, I see no effects from using the -dBackgroundColor flag, even if I set it to something non-white like -dBackgroundColor=16#ff0000. Perhaps my understanding of the syntax of this flag is wrong. Also interestingly, I see no effects from using the -dTextAlphaBits=4 -dGraphicsAlphaBits=4 flags to try to enable subpixel antialiasing. I would also appreciate any advice on how to enable subpixel antialiasing, especially on text. Finally, I'm using GPL Ghostscript 8.64 on Mac OS 10.5.7, and the rendering workflow I'm trying to get set up is to generate transparent PNG images from PDFs output by PrinceXML. I'm calling Ghostscript directly for the rasterization instead of using ImageMagick because ImageMagick delegates to Ghostscript for PDF rasterization and I should be able to control the rasterization better by calling GS directly. Thanks for your help. -Jon Wolfe

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• How to get XDebug working on Mac command line PHP

  - by Eugene M

  I recently installed Zend Server Community Edition on a Mac with Snow Leopard. I can't get XDebug to work ... it shows up in the output for phpinfo from a web browser, but when I var_dump() a variable, there is no special output, and when I run phpunit, code coverage reports aren't generated. Also when I type php -m at the command line, there is nothing for XDebug. I suspect that it's because the Mac is running the executable of PHP that was bundled with it instead of the executable of PHP that came with the Zend Server install. When I type /usr/local/zend/bin/php -m, XDebug does show up. I followed the instructions at http://akrabat.com/php/some-notes-on-zend-server-ce-for-mac-os-x/. Also I downloaded the xdebug.so from the Komodo web site. Zend Debugger and all other Zend extensions are disabled. So how can I get XDebug working correctly?

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• How to run a PowerShell script?

  - by Pekka

  Guys and Gals, a really stupid question: How do I run a PowerShell script? I have a script named myscript.ps1 I have all the necessary frameworks installed I set that execution policy thing I have followed the instructions on this MSDN help page and am trying to run it like so: powershell.exe 'C:\my_path\yada_yada\run_import_script.ps1' (with or withot --noexit) which returns exactly nothing, except that the file name is output. No error, no message, nothing. Oh, when I add -noexit, the same thing happens but I remain within Powershell, and have to exit manually. The ps1 file is supposed to run a program, and return the error level dependant on that program's output. But I'm quite sure I'm not even getting there yet. What am I doing wrong?

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• PBKDF2-HMAC-SHA1

  - by Jason

  To generate a valid pairwise master key for a WPA2 network a router uses the PBKDF2-HMAC-SHA1 algorithm. I understand that the sha1 function is performed 4096 times to derive the PMK, however I have two questions about the process. Excuse the pseudo code. 1) How is the input to the first instance of the SHA1 function formatted? SHA1("network_name"+"network_name_length"+"network_password") Is it formatted in that order, is it the hex value of the network name, length and password or straight ASCII? Then from what I gather the 160 bit digest received is fed straight into another round of hashing without any additional salting. Like this: SHA1("160bit digest from last round of hashing") Rise and repeat. 2) Once this occurs 4096 times 256 bits of the output is used as the pairwise master key. What I don't understand is that if SHA1 produces 160bit output, how does the algorithm arrive at the 256bits required for a key? Thanks for the help.

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• How to display multiple cell entries individually from a MySQL database and using PHP

  - by Jake

  I have a column called post_tags where there is sometimes one tag entry and sometimes multiple tags stored. These are separated by * symbols. I want to display these out to the screen one by one. If there were just one item inside the cell I would have used: $query = mysql_query("SELECT post_tags FROM posts WHERE id=$id"); while ($result = mysql_fetch_assoc($query)) { $result['post_tags']; } But how can I display each entry individually when there are multiple ones in one cell (is this what the explode function is for)?

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• Getting hierarchy data from a self-referencing table

  - by Emanuil

  Let's say you have the following table: items(item_id, item_parent) ... and it is a self-referencing table as item_parent refers to item_id. What SQL query would you use to SELECT all items in the table along with their depth where the depth of an item is the sum of all parents and grand parents of that item. If the following is the content of the table: item_id item_parent ----------- ----------- 1 0 2 0 3 2 4 2 5 3 ... the query should retrieve the following set of objects: {"item_id":1,"depth":0} {"item_id":2,"depth":0} {"item_id":3,"depth":1} {"item_id":4,"depth":1} {"item_id":5,"depth":2} P.S. I'm looking for a MySQL supported approach.

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• Getting results in a result set from dynamic SQL in Oracle

  - by msorens

  This question is similar to a couple others I have found on StackOverflow, but the differences are signficant enough to me to warrant a new question, so here it is: I want to obtain a result set from dynamic SQL in Oracle and then display it as a result set in a SqlDeveloper-like tool, just as if I had executed the dynamic SQL statement directly. This is straightforward in SQL Server, so to be concrete, here is an example from SQL Server that returns a result set in SQL Server Management Studio or Query Explorer: EXEC sp_executesql N'select * from countries' Or more properly: DECLARE @stmt nvarchar(100) SET @stmt = N'select * from countries' EXEC sp_executesql @stmt The question "How to return a resultset / cursor from a Oracle PL/SQL anonymous block that executes Dynamic SQL?" addresses the first half of the problem--executing dynamic SQL into a cursor. The question "How to make Oracle procedure return result sets" provides a similar answer. Web search has revealed many variations of the same theme, all addressing just the first half of my question. I found this post explaining how to do it in SqlDeveloper, but that uses a bit of functionality of SqlDeveloper. I am actually using a custom query tool so I need the solution to be self-contained in the SQL code. This custom query tool similarly does not have the capability to show output of print (dbms_output.put_line) statements; it only displays result sets. Here is yet one more possible avenue using 'execute immediate...bulk collect', but this example again renders the results with a loop of dbms_output.put_line statements. This link attempts to address the topic but the question never quite got answered there either. Assuming this is possible, I will add one more condition: I would like to do this without having to define a function or procedure (due to limited DB permissions). That is, I would like to execute a self-contained PL/SQL block containing dynamic SQL and return a result set in SqlDeveloper or a similar tool. So to summarize: I want to execute an arbitrary SQL statement (hence dynamic SQL). The platform is Oracle. The solution must be a PL/SQL block with no procedures or functions. The output must be generated as a canonical result set; no print statements. The output must render as a result set in SqlDeveloper without using any SqlDeveloper special functionality. Any suggestions?

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• Best way to represent Gender in a class library used in multilingual applications

  - by Hauge

  I'm creating class library with some commonly used classes like persons, addresses etc. This library will be used in an multilingual application, and I am looking for the most convenient way to represent a persons gender. Ideally I would like to be able to code like this: Person person = new Person { Gender = Genders.Male, FirstName = "Nice", LastName = "Dude" } if (person.Gender == Genders.Male) Console.WriteLine("person is Male"); Console.WriteLine(person.Gender); //Should output: Male Console.WriteLine(person.Gender.ToString("da-DK")); //Should output the name of the gender in the language provided List<Gender> genders = Genders.GetAll(); foreach(Gender gender in genders) { Console.WriteLine(gender.ToString()); Console.WriteLine(gender.ToString("da-DK")); } What would you do? An enumeration and a specialized Gender class, but what about the localization then? Regards Jesper Hauge

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• Encoding problem with preg_replace() and scandir()

  - by itarato

  Hi, On OS-X (PHP5.2.11) I have a file: siësta.doc (and thousand other with Unicode filenames) and I want to convert the file names to a web-consumable format (a-zA-Z0-9.). If I hardcode the file name above I can do the right conversion: <?php $file = 'siësta.doc'; echo preg_replace("/[^a-zA-Z0-9.]/u", '_', $file); // Output: si_sta.doc ?> But if I read the file names with scandir, I've got strange conversions: <?php $files = scandir(DIRNAME); foreach ($files as $file) { echo preg_replace("/[^a-zA-Z0-9.]/u", '_', $file); // Output for the file above: sie_sta.doc } ?> I tried to detect the encoding, set the encoding, convert it with iconv functions. I tried the mb_ functions also. But it was just worse. What did I do wrong? Thanks in advance

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• Graph databases and Php

  - by stagas

  I want to use a graph database using php. Can you point out some resources on where to get started? Is there any example code / tutorial out there? Or are there any other methods of storing data that relate to each other in totally random/abstract situations? Very abstract example of the relations needed: John relates to Mary, both relate to School, John is Tall, Mary is Short, John has Blue Eyes, Mary has Green Eyes, query I want is which people are related to 'Short people that have Green Eyes and go to School' - answer John It is possible in MySQL but it would require a fixed set of attributes/columns for each item and a complex non-flexible query, instead I need every attribute to be an item by itself and instead of 'belonging' to something, to be 'related' to something.

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• How to use sum and count functions

  - by Odette

  hi guys I am trying to get the total count and total sum per salesperson but its not working in my WITH query Currently I have: WITH CALC1 AS (SELECT B.OTSMAN AS SALESMAN, COUNT(B.ONINUM) AS COUNT, SUM(B.OVSVAL) AS SVAL FROM @[email protected] AS B WHERE B.OCSGRP <> 'INT' AND B.OCSGRP <> 'INX' AND B.OCPSBR IN (@OCPSBR@) AND B.ICMATX <> '705' AND B.OCSGRP NOT LIKE 'S/%' GROUP BY B.OTSMAN, B.ONINUM ORDER BY B.OTSMAN ASC) SELECT SALESMAN, COUNT, SVAL FROM CALC1 ORDER BY SALESMAN THE RESULT IS: AM 1 79.03 AM 40 1337.70 AM 48 4627.15 AM 42 2727.40 AM 1 111.79 AM 1 1110.00 AM 52 3018.77 How do i change my query so I only get one record with the total count and value per salesperson? AM 1 13,011.84

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• Dividing a Video into Frames and Sending Frames to Streams

  - by Amit Kumar

  I have to implement a "demux" that divides up a video stream and sends each frame to one of multiple output streams in a round-robin fashion. I am trying to implement the demux as follows. The video stream contains one frame after another and is implemented via a java InputStream. Each frame has a frame header followed by the image data. The demux needs to read the frame header to know the size of the image data. The image data can then be redirected from the input video stream to one of the output streams (java OutputStream). My problem is about how to implement this redirection. That is, connect the InputStream to the OutputStream to send N bytes (here N is the size of the image data), and then disconnect and connect to another OutputStream. I have seen the interface of PipedInputStream etc but they do not seem to implement the disconnection.

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• Perl - Internal File (create and execute)

  - by drewrockshard

  I have a quick question about creating files with perl and executing them. I wanted to know if it was possible to generate a file using perl (I actually need a .bat script) and then execute this file internally to the program. I know I can create files, and I have with perl, however, I'm wanting to do this internally to the program. So, what I want it to do is actually create a batch script internally to the program (no file is actually written to the disk, everything remains in memory, or the perl program), and then once it completes the writing of the file, I'd like to be able to actually execute this file, and then discard the file it just wrote. I'm basically trying to have it create a batch script on the fly, so that I can just have output text files from the output of the script, rather than creating the batch script on disk, then executing it, and then deleting the batch file from disk when its done. Can this be done and how would I go about doing this? Regards, Drew

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• Decode json string returned from Flickr API using PHP, curl

  - by Globalz

  Im trying to decode a json string returned from flickr within my PHP code. Im using CURL but it keeps returning a string even when I wrap json_decode() around the json sring variable. Any ideas? $api_key = '####'; $photoset_id = '###'; $query = 'http://api.flickr.com/services/rest/?&method=flickr.photosets.getPhotos&api_key='.$api_key.'&photoset_id='.$photoset_id.'&extras=url_o,url_t&format=json&jsoncallback=1'; $ch = curl_init(); // open curl session // set curl options curl_setopt($ch, CURLOPT_URL, $query); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $data = curl_exec($ch); // execute curl session curl_close($ch); // close curl session var_dump(json_decode($data));

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• Debug.WriteLine not working

  - by Velika

  In the past, perhaps versions of Visual Studio prior to the 2008 that I am using now, I would do something like this in my VB.NET code: System.Diagnostics.Debug.WriteLine("Message") ..and the output would go to the output window. Now it doesn't. Something must first apparently be enabled. If this involves "attaching a debugger", please explain how to do it. It seems to me that it should just work without too much of a fuss. Here's a video explaining the issue in real time and showing you all my settings http://screencast.com/t/YQnPb0mJcs I'm using VS2008

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• Isn't INT more efficient than UNIQUEIDENTIFIER?

  - by ck

  I have a parent table and child table where the columns that join them together are the UNIQUEIDENTIFIER type. The child table has a clustered index on the column that joins it to the parent table (its PK, which is also clustered). I have created a copy of both of these tables but changed the relationship columns to be INTs instead, have rebuilt the indexes so that they are essentially the same structure and can be queried in the same way. When I query for a known 20 records from the parent table, pulling in all the related records from the child tables, I get identical query costs across both, i.e. 50/50 cost for the batches. If this is true, then my giant project to change all of the tables like this appears to be pointless, other than speeding up inserts. Can anyone provide any light on the situation?

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• perl escaping \n or \t

  - by Michael

  I need to escape \n so on output I really get newline or tab $ perl -p -e 's/e/a/ge' now I want each e to be substituted with \n $ perl -p -e 's/e/\n/ge' but even \n gives me an error. this was a simplified example. In real script(makefile) I have substitute := perl -p -e 's/@([^@]+)@/defined $$ENV{$$1} ? $$ENV{$$1} : $$1/ge' and in target I have such a nice command $(substitute) $< > $@ and if the input file for perl contains \n at output I will see it literally... I want to have real newline.

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• Codeigniter initializing multiple times per page load

  - by Clayton

  I'm using Codeigniter for my application and have something wrong with my configuration. When I load a page, the framework initializes several times (see logs below). I have built other applications with Codeigniter and have never seen this behavior before. Log output: DEBUG - 2010-03-27 14:50:32 --> Config Class Initialized DEBUG - 2010-03-27 14:50:32 --> Hooks Class Initialized DEBUG - 2010-03-27 14:50:32 --> URI Class Initialized DEBUG - 2010-03-27 14:50:32 --> Router Class Initialized DEBUG - 2010-03-27 14:50:32 --> Output Class Initialized DEBUG - 2010-03-27 14:50:32 --> Input Class Initialized DEBUG - 2010-03-27 14:50:32 --> XSS Filtering completed DEBUG - 2010-03-27 14:50:32 --> XSS Filtering completed DEBUG - 2010-03-27 14:50:32 --> XSS Filtering completed DEBUG - 2010-03-27 14:50:32 --> XSS Filtering completed DEBUG - 2010-03-27 14:50:32 --> Global POST and COOKIE data sanitized DEBUG - 2010-03-27 14:50:32 --> Language Class Initialized DEBUG - 2010-03-27 14:50:32 --> Loader Class Initialized DEBUG - 2010-03-27 14:50:32 --> Config file loaded: config/redux_auth.php DEBUG - 2010-03-27 14:50:32 --> Config file loaded: config/email.php DEBUG - 2010-03-27 14:50:32 --> Helper loaded: url_helper DEBUG - 2010-03-27 14:50:32 --> Helper loaded: form_helper DEBUG - 2010-03-27 14:50:32 --> Helper loaded: html_helper DEBUG - 2010-03-27 14:50:32 --> Database Driver Class Initialized DEBUG - 2010-03-27 14:50:32 --> Session Class Initialized DEBUG - 2010-03-27 14:50:32 --> Helper loaded: string_helper DEBUG - 2010-03-27 14:50:32 --> Helper loaded: file_helper DEBUG - 2010-03-27 14:50:32 --> Session routines successfully run DEBUG - 2010-03-27 14:50:32 --> Form Validation Class Initialized DEBUG - 2010-03-27 14:50:32 --> Model Class Initialized DEBUG - 2010-03-27 14:50:32 --> Controller Class Initialized DEBUG - 2010-03-27 14:50:32 --> Language file loaded: language/english/form_validation_lang.php DEBUG - 2010-03-27 14:50:32 --> XSS Filtering completed DEBUG - 2010-03-27 14:50:32 --> XSS Filtering completed DEBUG - 2010-03-27 14:50:32 --> Config Class Initialized DEBUG - 2010-03-27 14:50:32 --> Hooks Class Initialized DEBUG - 2010-03-27 14:50:32 --> URI Class Initialized DEBUG - 2010-03-27 14:50:32 --> Router Class Initialized DEBUG - 2010-03-27 14:50:32 --> Output Class Initialized DEBUG - 2010-03-27 14:50:32 --> Input Class Initialized DEBUG - 2010-03-27 14:50:32 --> XSS Filtering completed DEBUG - 2010-03-27 14:50:32 --> Global POST and COOKIE data sanitized DEBUG - 2010-03-27 14:50:32 --> Language Class Initialized DEBUG - 2010-03-27 14:50:32 --> Loader Class Initialized ... This repeats three more times

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