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• Why is Python 3.1.3 in the header listed as a syntax error?

  - by squashua

  Hi, I'm a newbie programmer so I'll do my best to clearly ask my question. I'm running Python scripts in Mac 10.6.5 and now trying to write and save to a text file (following instructions in HeadsUp Python book). Whenever I hit function+F5 (as instructed) I get the same "invalid syntax" error and Idle highlights the "1" in "Python 3.1.3" of the header. Here's the header to which I'm referring: Python 3.1.3 (r313:86882M, Nov 30 2010, 09:55:56) [GCC 4.0.1 (Apple Inc. build 5494)] on darwin Type "copyright", "credits" or "license()" for more information. Extremely frustrating. I've checked and rechecked the code but this doesn't seem to be code related because the "syntax error" is in regards to the header text that posts in every Idle/Python session. Help anyone? Thanks, Squash

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• Which of the two ways should I use to insert tags into mysql?

  - by ggfan

  For each ad, I allow users to choose up to 5 tags. Right now, in my database, I have it like... Posting_id TagID 5 1 5 2 5 3 6 5 6 1 But i was thinking if I should make it like... Posting_id TagID 5 1 2 3 6 5 1 Then first option is much easier to insert and retrieve data. But if I have 100 posts with 3 tags each, that's 300 rows...so ALOT more rows The second option requires using explode() impode(), etc but it is much cleaner. Which option should I do and why? thanks!

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• ASP.Net: Expiring a page when navigating back

  - by K2so

  Basically all pages on this site I am building cannot be accessed when the user clicks on "Back" (or with key control) in the browser, and the page should expire if one is trying to navigate back in history. I put into Global.asax::Application_BeginRequest Response.Cache.SetCacheability(HttpCacheability.NoCache) Response.Cache.SetExpires(DateTime.UtcNow.AddDays(-1)) Response.Cache.SetValidUntilExpires(False) Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches) Response.Cache.SetNoStore() This would clear out the cache and disallow going back to any pages when the user is logged out, but doesn't do the job while the user is logged in. I saw posts where people suggested using a javascript approach, by calling History.Forward(1) on the page. But I wouldn't like to do this, as it will require javascript enabled to work (which user can disable). Appreciate any suggestions.

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• How to unload JVM from a living process?

  - by Guy

  Hi, I'm working with JNI and trying to unload (destroy) the VM using DestoryJavaVM function (I first call DetachCurrentThread method). It seems like the it has now influence on the VM and it is still up after the call. I read in old Sun posts that DestoryJavaVM had problems in the past (JDK1.1-1.3 in 2001) but I'm using JRE 6 and it probably should work now, right? I need to Load\Unload a VM in the same living process since each loading requires another classes to load. Any ideas how it can be done? Thanks, Guy

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• Getting Popular Topics on a Custom Made Forum

  - by Navarr

  For this website we're working on, we're trying to get the most popular topics (based on how many posts have been made in them within the last 24 hours). We have a medium to large based forum, and the current MySQL query looks like this: SELECT `forums_topics`.*, ( SELECT COUNT(`id`) FROM `forums_posts` WHERE `postdate` > (UNIX_TIMESTAMP()-60*60*24) AND `topicid`=`forums_topics`.`id` ) AS `trendy_threads` FROM `forums_topics` WHERE `deleted`=0 ORDER BY `trendy_threads` DESC,`postdate` DESC LIMIT 3 This unfortunately causes an SQL timeout with just one query and Error 500's. How can we get this information as quickly and as efficiently as possible?

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• Codeigniter passing variable to URL

  - by CyberJunkie

  I have a list of posts and an edit link for each. When clicking edit it goes to a page where I can edit the specific post I clicked on. For this I will have to pull from the db the id of the post. Would this be the correct way to do it? <a href="<?php echo site_url("post/edit/$row->id"); ?>">Edit</a> post is my controller, edit is my function, and $row->id should pull the id of the post.

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• How to call function on parent page from iframe using jQuery?

  - by Michael

  I have an upload form that posts to a hidden iframe. I am attempting to call a function on the parent page from the iframe, but am getting the error "top.stopUpload is not a function". What is the correct way to do this? PARENT PAGE: $(document).ready(function() { $('#document_upload').submit( function() { $('#upload_progress').show(); }); function stopUpload(success){ if (success == 1){ $('#result', window.parent.document).html( '<span class="msg">The file was uploaded successfully!<\/span>'); } else { $('#result', window.parent.document).html( '<span class="emsg">There was an error during file upload!<\/span>'); } $('#upload_progress').hide(); return true; } }) IFRAME: $(document).ready(function() { top.stopUpload(<?php echo $result; ?>); }

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• CakePHP delete() function is not working

  - by Logic Artist

  Hello, Im just cracking open cakePHP (v1.3.2). I set it up on my local wamp server, seems to work fine except the delete() function doesn't work. I'm following their blog tutorial exactly, its as simple as it can be so I don't understand why its not working. Heres the function in my PostsController class: function delete($id = NULL) { $this->Post->delete($id); $this->Session->setFlash('The post with id: '.$id.' has been deleted.'); $this->redirect(array('action'=>'index')); } The "Delete" link's url looks like http://localhost/posts/delete/id:1 (where the id number matches the particular post, obviously). It redirects and sets the flash message, however there is no number where $id should be in the message, and the post isn't deleted. It seems the proper id is passed through the url, but I don't think it is getting into the function. I dont get it. Any ideas???

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• Has anyone used a rails gem for lightbox functionality? If so which ones?

  - by bgadoci

  Trying to figure out what is the best solution for using lightbox in rails. I have a set up an application that has projects and posts belong_to project. A post can have multiple photos and I am successfully only displaying the first photo in the photos table in the projects show view for each post. I am now trying to allow the user to view the rest of the photos associated with a post through a lightbox feature. Any idea if there is a rails ready solution for something like this?

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• Wordpress sidebar border

  - by Crays

  Hi, i would like to add an image that acts like a border after every list in the sidebar. I knew it has something to do with this #sidebar h2 { border-bottom: 1px solid #d6d6d6; } since i tried that code and a border appeared. But what i wanted is a picture, i could do that with in the posts with: .TitleBorder { background: url(images/border.png) repeat-x; height: 3px; width: 615px; } and <div class="TitleBorder"></div> but in sidebar, i can't do that. Any help?

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• PHP pass variable after form is submitted

  - by user342391

  I have a form that posts to process.php. Process.php send all the data to mysql then returns back to the page using: <?php header("Location: /campaigns"); ?> On the page it returns to I want to display a message saying form submitted. Can I post a variable to the Location: /campaigns. And use the variable to display the message (or modal box)? and if so what would be the best way to do it?

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• How do I post a link to the feed of a page via the Graph API *as* the page?

  - by jsdalton

  I'm working on a plugin for a Wordpress blog that posts a link to every article published to a Facebook Page associated with the blog. I'm using the Graph API and I have authenticated myself, for the time being, via OAuth. I can successfully post a message to the page using curl via a POST request to https://graph.facebook.com/{mypageid}/feed` with e.g. message = "This is a test" and it published the message. The problem is that the message is "from" my user account. I'm an admin on this test page, and when I go to Facebook and post an update from the web, the link comes "from" my page. Is there a way to authenticate myself as a page? Or is there an alternate way to POST to a page feed that doesn't end up being interpreted as a comment from a user? Thanks for any thoughts or suggestions.

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• c++ Sorting a vector based on values of other vector, or what's faster?

  - by pollux

  Hi, There are a couple of other posts about sorting a vector A based on values in another vector B. Most of the other answers tell to create a struct or a class to combine the values into one object and use std::sort. Though I'm curious about the performance of such solutions as I need to optimize code which implements bubble sort to sort these two vectors. I'm thinking to use a vector<pair<int,int>> and sort that. I'm working on a blob-tracking application (image analysis) where I try to match previously tracked blobs against newly detected blobs in video frames where I check each of the frames against a couple of previously tracked frames and of course the blobs I found in previous frames. I'm doing this at 60 times per second (speed of my webcam). Any advice on optimizing this is appreciated. The code I'm trying to optimize can be shown here: http://code.google.com/p/projectknave/source/browse/trunk/knaveAddons/ofxBlobTracker/ofCvBlobTracker.cpp?spec=svn313&r=313 Thanks

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• HTML/Javascript disabled and then reenabled checkbox is being POSTED

  - by NeverStopLearning

  I have a page with a checkbox that is disabled/reenabled with javascript on button click. If I never disable the checkbox then its value is correctly POSTed, however if I disable the checkbox even once it gets posted without value (posts as "name=" even when checked). I have inspected the POST value through firebug. Why does it behaves like this? Am I missing something? I ve read somewhere that disabled controls are not posted, thats OK, but this control is not disabled when the submit is clicked. I am using ASP.NET with more complex setup to test this, but essentially this is the core of the problem. The brower is FF latest. I found very similar question, however without an answer: disabled control being reenabled but still not posting back contents to server

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• SQL Outer joins

  - by dsquaredtech

  Three tables courses,registration,students columns in students firstname,lastname,studentid,major,admitdate,graddate,gender,dob columns in registration courseid,studentid columns in courses coursenumber,coursename,credits select statement I need to modify select lastname as 'Last Name',sum(credits) as 'Credits Registered For' from students as s inner join registration as r on s.studentid = r.studentid inner join courses as c on c.coursenumber = c.courseid group by last name; the question on the lab is... Modify the previous query to show all students, even if they have not registered for a class. You should have 14 rows. Students who are not registered will show NULL in output. I know this requires outer join of some sort but I'm not fully grasping these joins i've read multiple posts on here and other sites but can't seem figure it out.

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• Counting values in data frame subject to conditions

  - by unixsnob

  I have been searching around and I cannot figure out how to sumarise the data I have in my data frame (subject to some ranges). I know that it can be done when applying some combination of daaply/taaply or table but I haven't been able to get the exact result I was expecting. Basically I want to turn this: part_no val1 val2 val3 2 1 2 3 45.3 2 1 3 4 -12.3 3 1 3 4 99.3 3 1 5 2 -3.2 3 1 4 3 -55.3 Into this: part_no val3_between0_50 val3_bw50_100 val3_bw-50_0 val3_bw-100_-50 2 1 0 0 1 0 3 0 1 0 1 1 This is dummy data, I got a lot more rows, but the idea is the same. I just want to count the number of values for a participant that meet certain condition. If anyone could explain it sort of step by step, I would really appreciate it. I saw lots of different little posts around, but none do exactly this and my attempts only got me half way there. Like using table, etc. Thanks!

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• Getting Null value with JSON from MySQL, how to retrive data from MySQL to JSON correctly?

  - by sky

  I'm using following code but cannot return data from MySQL. This is the output: <script type="text/javascript"> var somethings= [null,null,null]; </script> It does have three post, but I couldn't get the title(message) output. EDIT: this is the code I'm using: <?php $session = mysql_connect('localhost','name','pass'); mysql_select_db('dbname', $session); $result= mysql_query('SELECT * FROM posts', $session); $somethings= array(); while ($row= mysql_fetch_assoc($result)) { $somethings[]= $row['something']; } ?> <script type="text/javascript"> var somethings= <?php echo json_encode($somethings); ?>; </script> This is the table: message Try iPhone post! Welcome to Yo~ :) ??!

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• Stacking multiple slideshows using Jquery

  - by plasticletter

  Hi, JQuery newbie here! I'm having difficulty stacking more than one slideshow with each it's own individual controls. The one slideshow works just fine. However, when I add another slideshow I lose the controls and title for that one. link: http://dl.dropbox.com/u/1466448/numbered/stack.html I read on other related posts about using a unique ID for each slideshow but I have very limited experience in jquery to understand that approach. Any help would be greatly appreciated. Thanks! -Thai

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• Find and sort by number of ocurrences of tag with Active Admin and act_as_taggable_on

  - by nunopolonia

  I'm using act_as_taggable_on and Active Admin on a Rails project. In that project there are Posts and each Post has Tags. I want to show a list of Tags in Active Admin and the number of ocurrences of each one. The way I found to do this was: index do column :name column :ocurrences do |tag| ocurrences = Post.tag_counts.find(tag.id).count end default_actions end Which will search the Tag List every time for every Post, which performance wise looks really bad. I would also like to be able to sort the tags by ocurrence. Any idea of how I can do it?

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• Making a Png Image transparent in older versions of Internet Explorer...

  - by GUNNOO

  Hello People i have a problem with the png formatted images, i used some PNG images in my mock. when i view the mock in I.E the background of the images are not transparent. i got one solution for making it trasparent in "I.E" from the previous POSTS in the Forum. But my Problem is, i want that image to be tiled horizantlly...using that Filter thing. can any one solve this plz....plz.... i need a solution for making a png in I.E and at the same time it shud be tiled horizontally.

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• string having '<br/>' throws unterminated string literal js error.

  - by kranthi

  Hi All, I am fetching some data from Db and displaying it in a textarea using jquery in the following way. $('#textareatest').val('<% =teststring %>').It is possible that the string 'teststring' can contain XHTML line breaks(<br/>).whenever the string contains <br/> I am getting the 'unterminated string literal' error.I saw a number of posts considering '\n' as line breaks and suggesting to escape it.I tried to escape the <br/> similarly,but it didn't work. Could someone please help me with this? UPDATE:: I've already escaped single quotes. here is an example string test string<br /> Thanks.

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• Using non-Railsy route to prepopulate a form

  - by user94154

  I have many instances of a Rails model, Post. When viewing an individual post, I'd like to create a form to create a child of Post called Comment. I'd like to prepopulate this form with a hidden tag that contains the post_id which is the foreign key in Comment. The Railsy way to do this is to create a fancy-ish route such as: /comments/new/post/:post_id However, this gunks up the routes file and doesn't leave much flexibility. Let's say I want to create a link somewhere else that prepopulates a different attribute of the form...then I'd have to add another route for this. So I think I'm going to create urls like this on /posts/show/:id: /comments/new?comment[post_id]=<%= @post.id %> This way I can add any other attributes as I need. I know the plus side associated with this, now what are the downsides?

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• Can’t dup NilClass - how to trace to offender

  - by fullware

  This exception occurs often and intermittently when in development mode, and appears to get triggered by model associations. Does There are lots of references found by google but none seem to help to trace the problem to an offending class. Does anyone have any insight into how to trace the occurrence of this exception to it's cause? I've seen the posts on adding "unloadable" but I'm not sure I buy it--unless there's a way to trace it somehow to its cause. I'm not in favor of indiscriminately adding such things to every class in hopes the problem might go away. Rails 2.3.5.

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• A beginner's question...How do I use $_POST instead of $_GET? (PHP)

  - by ggfan

  Okay, for all my coding so far I been using GETs and only $_POST on the same script. Ex: profile.php would show all the posts an user made and under each of their post, they can edit their post. The way I been using it is through $_GETs. So.. //this is the link users click to edit their post echo '<td><a href="editad.php?posting_id='.$row3['posting_id'].' ">Edit</a>'; //on the editad.php $posting_id=$_GET['posting_id']; if (isset($posting_id)){ //show all the forms, sqls to do the editing } else{ //if the $_GET hasn't been set echo "You have not specified which ad to edit. Please go back"; } How do I do this via POST? Thanks :)

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• How to display Youtube videos in a jQuery lightbox (Wordpress)?

  - by janoChen

  I tried lightbox-plus, fancybox, etc... But I couldn't figure how to do it. Those videos are images posts with a link containing a Youtube video: <p><a href="http://www.youtube.com/watch?v=zUN826BdvV4"> <img class="alignnone size-thumbnail wp-image-40" title="Screenshot" src="http://localhost/custom-post-type/ wp-content/uploads/2011/01/Screenshot2-150x150.png" alt="" width="150" height="150" /></a></p> Fancybox for Wordpress, for example, let me add a lightbox to images, but if the image links to a Youtube video it doesn't work. Any suggestions?

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