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  • rails db:seed no method error

    - by louddwarf
    when I try and run the "rake db:seed" command the rails console outputs "NoMethodError: undefined method `db' for #" not quite sure what going on. I'm using netbeans to build my rails project which is using the built-in JRuby 1.2 would that have anything to do with it?

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  • Loading from pickled data causes database error with new saves

    - by hibbie
    In order to save time moving data I pickled some models and dumped them to file. I then reloaded them into another database using the same exact model. The save worked fine and the objects kept their old id which is what I wanted. However, when saving new objects I run into nextval errors. Not being very adept with postgres, I'm not sure how to fix this so I can keep old records with their existing ID while being able to continue adding new data. Thanks, Thomas

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  • Why does this code generate an error? [closed]

    - by user559601
    <link rel="search" type="application/opensearchdescription+xml" href="http://b.static.ak.fbcdn.net/rsrc.php/yJ/r/H2SSvhJMJA-.xml" title="" /> <link rel="shortcut icon" href="http://static.ak.fbcdn.net/rsrc.php/y7/r/5875srnzL-I.ico" /></head> <body class="WelcomePage UIPage_LoggedOut mac Locale_en_US"> <div id="FB_HiddenContainer" style="position:absolute; top:-10000px; width:0px; height:0px;" ></div> <div id="blueBar" class="loggedOut"></div> <div id="globalContainer"><div id="dialogContainer"></div><div id="dropmenu_container"></div> <div id="content" class="fb_content clearfix"><div ><!-- 2365fa3194ecdc0cab15721ce967a9f8663937c7 --> <div class="WelcomePage_Container"><div class="loggedout_menubar_container"><div class="clearfix loggedout_menubar"><a class="lfloat" href="/" title="Go to Home"><img class="fb_logo img" src="http://static.ak.fbcdn.net/rsrc.php/yp/r/kk8dc2UJYJ4.png" alt="Facebook logo" width="170" height="36" /></a><div class="rfloat"><div class="menu_login_container"><form method="POST" action="https://login.facebook.com/login.php?login_attempt=1" id="login_form" onsubmit="return Event.__inlineSubmit(this,event)"><input type="hidden" name="charset_test" value="&euro;,&acute;,€,´,?,?,?" /><input type="hidden" name="lsd" value="hEICz" autocomplete="off" /><input type="hidden" id="locale" name="locale" value="en_US" autocomplete="off" /><table cellspacing="0"><tr><td class="html7magic"><label for="email">Email</label></td><td class="html7magic"><label for="pass">Password</label></td></tr><tr><td><input type="text" class="inputtext" name="email" id="email" tabindex="1" /></td><td><input type="password" class="inputtext" name="pass" id="pass" tabindex="2" /></td><td><label class="uiButton uiButtonConfirm"><input value="Login" tabindex="4" type="submit" /></label></td></tr><tr><td class="login_form_label_field"><input type="checkbox" class="inputcheckbox" value="1" id="persistent" name="persistent" checked="1" /><input type="hidden" name="default_persistent" value="1" /><label id="label_persistent" for="persistent">Keep me logged in</label></td><td class="login_form_label_field"><a href="http://www.facebook.com/reset.php" rel="nofollow">Forgot your password?</a></td></tr></table><input type="hidden" name="charset_test" value="&euro;,&acute;,€,´,?,?,?" /><input type="hidden" id="lsd" name="lsd" value="hEICz" autocomplete="off" /></form> </div></div></div></div><div class="WelcomePage_MainSell"><div class="WelcomePage_MainSellCenter clearfix"><div class="WelcomePage_MainSellLeft"><div class="WelcomePage_MainMessage">Facebook helps you connect and share with the people in your life.</div><div class="WelcomePage_MainMap">&nbsp;</div></div><div class="WelcomePage_MainSellRight"><div class="WelcomePage_SignUpSection"><div class="WelcomePage_SignUpMessage"><div class="WelcomePage_SignUpHeadline">Sign Up</div><div class="WelcomePage_SignUpSubheadline">It's free, and always will be.</div></div><div class="WelcomePage_SimpleReg" id="registration_container"><div><noscript><div id="no_js_box"><h2>Javascript is disabled on your browser.</h2><p>Please enable JavaScript on your browser or upgrade to a Javascript-capable browser to register for Facebook.</p></div></noscript><div id="simple_registration_container" class="simple_registration_container"><div id="reg_box"><form method="post" id="reg" name="reg" onsubmit="return function(event)&#123;return false;&#125;.call(this,event)!==false &amp;&amp; Event.__inlineSubmit(this,event)"><input type="hidden" autocomplete="off" name="post_form_id" value="c3a2bed7243b9a85f53d69f23a38da9d" /><input type="hidden" name="lsd" value="hEICz" autocomplete="off" /><input type="hidden" autocomplete="off" id="reg_instance" name="reg_instance" value="bpgeTawHFSiHa5-7SR4gbif7" /><input type="hidden" autocomplete="off" id="locale" name="locale" value="en_US" /><input type="hidden" autocomplete="off" id="terms" name="terms" value="on" /><input type="hidden" autocomplete="off" id="abtest_registration_group" name="abtest_registration_group" value="1" /><input type="hidden" autocomplete="off" id="referrer" name="referrer" value="" /><input type="hidden" autocomplete="off" id="md5pass" name="md5pass" value="" /><input type="hidden" autocomplete="off" id="validate_mx_records" name="validate_mx_records" value="1" /><input type="hidden" autocomplete="off" id="ab_test_data" name="ab_test_data" value="" /><div id="reg_form_box" class="large_form"><table class="uiGrid editor" cellspacing="0" cellpadding="1"><tbody><tr><td class="label">First Name:</td><td><div class="field_container"><input type="text" class="inputtext" id="firstname" name="firstname" /></div></td></tr><tr><td class="label">Last Name:</td><td><div class="field_container"><input type="text" class="inputtext" id="lastname" name="lastname" /></div></td></tr><tr><td class="label">Your Email:</td><td><div class="field_container"><input type="text" class="inputtext" id="reg_email__" name="reg_email__" /></div></td></tr><tr><td class="label">Re-enter Email:</td><td><div class="field_container"><input type="text" class="inputtext" id="reg_email_confirmation__" name="reg_email_confirmation__" /></div></td></tr><tr><td class="label">New Password:</td><td><div class="field_container"><input type="password" class="inputtext" id="reg_passwd__" name="reg_passwd__" value="" /></div></td></tr><tr><td class="label">I am:</td><td><div class="field_container"><div class="hidden_elem"><select><option></option><option></option></select><select><option></option><option></option></select></div><select class="select" name="sex" id="sex"><option value="0">Select Sex:</option><option value="1">Female</option><option value="2">Male</option></select></div></td></tr><tr><td class="label">Birthday:</td><td><div class="field_container"> <select class="" id="birthday_month" name="birthday_month" onchange="return run_with(this, [&quot;editor&quot;], function() &#123;editor_date_month_change(this, &quot;birthday_day&quot;, &quot;birthday_year&quot;);&#125;);"><option value="-1">Month:</option><option value="1">Jan</option>

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  • Smallcaps / multiple fonts and bolding using 'DrawString' in GDI+

    - by Simon_Weaver
    I want to write out some text using smallcaps in combination with different fonts for different words. To clarify I might want the message 'Welcome to our New Website' which is generated into a PNG file for the header of a page. The text will be smallcaps - everything is capitalized but the 'W', 'N' and 'W' are slightly larger. The 'New Website' will be in a different font than the rest of the text. Is there a way i can do this without doing it completely manually? Doing something like this is conceptually what I want to do : graphics.DrawString("<font size=2>W</font>ELCOME TO OUR <b><font size=2>N</font>" + "EW <font size=2>W</font>EBSITE</b>"); The best approach I could find so far is here, but I'm worried that I'll go to all the trouble to do this manually and end up with some horrible kerning or tracking problems. Edit: I should have mentioned that this is being done within ASP.NET so it needs to be fast and as lean as possible. I want it to be automated so I can localize easily and not have to create tonnes of little images.

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  • Real world examples of Rx

    - by theburningmonk
    I've been playing around with the Reactive Extension for a little while now, but mostly limited to handling/composing user driven events within a WPF frontend. It's such a powerful, new way of doing async programming, and I'm curious as to what other people are doing with it, and where do you think it might be able to improve the way we're currently doing things?

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  • Zend Framework Module Based Error Handling

    - by cnkt
    Zend_Controller_Plugin_ErrorHandler always forwards to ErrorController::errorAction() in the default module but i want it be module aware. For example when a exception throws it must be call the module's ErrorController like Admin_ErrorController:errorAction. How can i do this? Thanks.

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  • Error: Get JSON Data from Web API Using Jquery

    - by Kenneth
    I'm really new at this. And I'm really stuck. I have the jquery code, it will load data from Web API, but it does not display on my page. $.getJSON("/api/Order", function(data) { if (data != null) { var str = ''; $.each(data, function (item) { str = '<li>' + item.ItemName + '</li>'; }); $("#contents").append(str); } }); Can anyone explain what is going on? Thanks.

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  • to overcome type error?

    - by kaushik
    i have a file of this format: 3.334 1 2.345 1 1.453 1 3.343 1 and so on but in middle at times in file there are few number which are not in float format and i receive type msg when i run them performation some operation.. I want to give a condition that: if(not in float format): continue else: perform operation please tell me how to put the condtion

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  • odd validation error messages with authlogic

    - by peter
    i have an issue where when validation fails, i get messages like "{{count}} errors prohibited this {{model}} from being saved" and "{{attribute}} {{message}}". it looks like something isn't getting expanded correctly. i've tried adding validates_* stuff but it doesn't seem to help. i've also tried to search the web for an answer but when i add the '{{' and '}}' i get no results. what am i missing? how can i fix this? thanks, -peter

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  • Surely a foolish error, but I can't see it

    - by dnagirl
    I have a form (greatly simplified): <form action='http://example.com/' method='post' name='event_form'> <input type='text' name='foo' value='3'/> <input type='submit' name='event_submit' value='Edit'/> </form> And I have a class "EventForm" to process the form. The main method, process() looks like this: public function process($submitname=false){ $success=false; if ($submitname && isset($_POST[$submitname])){ //PROBLEM: isset($_POST[$submitname] is always FALSE for some reason if($success=$this->ruler->validate()){//check that dependancies are honoured and data types are correct if($success=$this->map_fields()){//divide input data into Event, Schedule_Element and Temporal_Expression(s) $success=$this->eventholder->save(); } } } else {//get the record from the db based on event_id or schedule_element_id foreach($this->gets as $var){//list of acceptable $_GET keys if(isset($_GET[$var])){ if($success= $this->__set($var,$_GET[$var])) break; } } } $this->action=(empty($this->eventholder->event_id))? ADD : EDIT; return $success; } When the form is submitted, this happens: $form->process('event_submit'); For some reason though, isset($_POST['event_submit']) always evaluates to FALSE. Can anyone see why?

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  • Authorization error in facebook aplication

    - by bhaskaragr29
    require_login($required_permissions = 'email,photo_upload'); $auth= $facebook-do_get_session($_GET['auth_token']); $facebook-set_user($s['uid'], $s['session_key'], $s['expires'], $s['secret']) ? when ever i tries to login into my app it just refreshed and refresh with wih different auth_tokens. please help

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  • The way cores, processes, and threads work exactly?

    - by unknownthreat
    I need a bit of an advice for understanding how this whole procedure work exactly. If I am incorrect in any part described below, please correct me. In a single core CPU, it runs each process in the OS, jumping around from one process to another to utilize the best of itself. A process can also have many threads, in which the CPU core runs through these threads when it is running on the respective process. Now, on a multiple core CPU, Do the cores run in every process together, or can the cores run separately in different processes at one particular point of time? For instance, you have program A running two threads, can a duo core CPU run both threads of this program? I think the answer should be yes if we are using something like OpenMP. But while the cores are running in this OpenMP-embedded process, can one of the core simply switch to other process? For programs that are created for single core, when running at 100%, why the CPU utilization of each core are distributed? (ex. A duo core CPU of 80% and 20%. The utilization percentage of all cores always add up to 100% for this case.) Do the cores try help each other run each thread of each process in some ways? Frankly, I'm not sure how this works exactly. Any advice is appreciated.

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  • Oracle forms API - c-based compile error

    - by ShoeLace
    i am trying to compile a c-based forms api program on Linux x86_64 using command gcc -m32 -I"$ORACLE_HOME/forms/api" -L"$ORACLE_HOME/forms/lib" -L"$ORACLE_HOME/lib" -ld2f fapi.c it fails with a bunch of undefined references. $ORACLE_HOME/lib/libd2f.so: undefined reference to `sifom' $ORACLE_HOME/lib/libd2f.so: undefined reference to `idfrsti' $ORACLE_HOME/lib/libd2f.so: undefined reference to `simmal' etc... does anyone know the list of all the library files i need to add?

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  • [C++] Is it possible to use threads to speed up file reading ?

    - by Mister Mystère
    Hi there, I want to read a file as fast as possible (40k lines) [Edit : the rest is obsolete]. Edit: Andres Jaan Tack suggested a solution based on one thread per file, and I want to be sure I got this (thus this is the fastest way) : One thread per entry file reads it whole and stocks its content in a container associated (- as many containers as there are entry files) One thread calculates the linear combination of every cell read by the input threads, and stocks the results in the exit container (associated to the output file). One thread writes by block (every 4kB of data, so about 10 lines) the content of the output container. Should I deduce that I must not use m-mapped files (because the program's on standby waiting for the data) ? Thanks aforehand. Sincerely, Mister mystère.

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  • Merging all changesets associated with a WorkItem in Team Foundation Server

    - by Rowland Shaw
    We're trailing the use of the built in bug tracking, and have written some integration into our helpdesk software that allows for escalation via workitems. One thing I haven't found out how to do, is to merge all changes associated with a work item (say to go from dev branch to main) - I appreciate you can double click on a changeset in the merge dialog to view if it is associated with a workitem, and also that I can select individual changesets, and groups of adjacent changesets; but there doesn't appear to be any way to merge changes by workitem?

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  • MFMessageComposeViewControllerDelegate error - black screen

    - by user1053839
    I'm using the following code to show in-app sms. My app don't have a status bar. (I'm using 320x480 pixels screen in portrait view). the problem is that when I load the controller, the screen becomes black as you can see from the image... http://desmond.imageshack.us/Himg211/scaled.php?server=211&filename=schermata092456187alle1.png&res=landing this is the code: MFMessageComposeViewController *picker = [[MFMessageComposeViewController alloc] init]; picker.messageComposeDelegate = self; picker.recipients = [NSArray arrayWithObject:@"123456789"]; // your recipient number or self for testing picker.body = @"test"; [self presentModalViewController:picker animated:YES];

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  • Absolute positioning error in IE6 with dropdown list

    - by Brisbe42
    I have a div, that I'm using JavaScript to position, so that when someone hovers over an image, it displays a tooltip message that follows along with the pointer. (Using tooltip-0.2.js ) The problem is that when a user goes to the page in IE6, a disabled dropdown box on the page is showing through this absolutely positioned tooltip when it tries to hover over it. How can I get this dropdownlist to know its proper place? ;)

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  • jQuery ajax : error while passing variables in data

    - by Tristan
    Hello, just a quick question : var h = $('#hebergeurJQUERY').val(); var t = $('#typeJQUERY').val(); function requestData() { $.ajax({ type: "GET", url: '12months/months.php', data : "hosting="+h+"&type="+t+"", ...... doesnt work while data : "hosting=Something&type=Something", Works. Any idea to something stupid i did (again ?) ;) Thanks

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  • Compiling error with API 10

    - by Suhel De Corser
    I was following the basic tutorials on developers.android.com and came by creating the activity named DisplayMessageActivity. It is a blank activity with all the specifications given as shown in the tutorial. FYI, I am using Min SDK = API 8, Target SDK = API 16, Compile with = API 10 The next thing is that there are two errors: "The method getActionBar() is undefined for the type DisplayMessageActivity "home cannot be resolved or is not a field" I tried changing the API to 14 which called for another problem, it wants the minimum API to be 11. That solves these problems, but the main problem is so many devices still use Gingerbread or maybe FroYo. Can't I write for them? Do I have to go higher? How to write for them?

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  • Is there any way to identify a unique user in Flash/Actionscript 3?

    - by VGambit
    I'm trying to make a vote/poll application in Flash using Actionscript 3. Is there any way to generate a specific ID that is unique to each user? The only other option I can think of is using the IP address, which is less than ideal in many cases (college campuses, shared Internet access, etc.). It needs to be the same number every time it is run on the same PC, but different for each user.

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  • script validation error

    - by Kyle Sevenoaks
    Hi, there is a script in my html tag <script type="text/javascript"> function setTaxDisplay(display) { window.location.href += (window.location.href.indexOf('?') > -1 ? '&' : '?') + 'taxInclude=' + display; } </script> When passed to validation It returns that the ampersand there isn't valid, but it's absolutely vital to the function of the page, is there a way I can make the validator ignore this? I don't need to validate the page, I'm no JS expert at all I'm not sure if I can replace it with &amp;. Thanks.

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  • How can I use foreach and fork together to do something in parallel?

    - by kaushalmodi
    This question is not UVM specific but the example that I am working on is UVM related. I have an array of agents in my UVM environment and I would like to launch a sequence on all of them in parallel. If I do the below: foreach (env.agt[i]) begin seq.start(env.agt[i].sqr); end , the sequence seq first executes on env.agt[0].sqr. Once that gets over, it then executes on env.agt[1].sqr and so on. I want to implement a foreach-fork statement so that seq is executed in parallel on all agt[i] sequencers. No matter how I order the fork-join and foreach, I am not able to achieve that. Can you please help me get that parallel sequence launching behavior? Thanks.

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  • How to R/W hard disk when CPU is in Protect Mode?

    - by smwikipedia
    I am doing some OS experiment. Until now, all my code utilized the real mode BIOS interrupt to manipulate hard disk and floppy. But once my code enabled the Protect Mode of the CPU, all the real mode BIOS interrupt service routine won't be available. How could I R/W the hard disk and floppy? I have a feeling that I need to do some hardware drivers now. Am I right? Is this why an OS is so difficult to develop? I know that hardwares are all controlled by reading from and writing to certain control or data registers. For example, I know that the Command Block Registers of hard disk range from 0x1F0 to 0x1F7. But I am wondering whether the register addresses of so many different hardwares are the same on the PC platform? Or do I have to detect that before using them? How to detect them?? For any responses I present my deep appreciation.

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  • For kernel/OS is C still it

    - by Recursion
    I like operating systems and would eventually like to become a OS developer mostly working on kernels. In the future will C still be the language of choice and what else should I be trying to learn.

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