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  • Rails - undefined method `name' for nil:NilClass

    - by sscirrus
    Hi guys, Quick question. Here is my code: #routes map.resources :customers, :has_many => [:addresses, :matchings] map.connect ":controller/:action/:id" #url path: http://127.0.0.1:3000/customers/index/3 #customers controller def index @customer = Customer.find(params[:id]) end #customers view/index.html.erb ... <%= @customer.name %> ... Error: undefined method `name' for nil:NilClass. Here's my reasoning. The parameter :id is coming from my url path (i.e. we're looking for customer #3 in the above path). @customer should find that array easily, then @customer.name should produce the name, but apparently @customer is blank. Why? I assume the problem is that I'm not producing an array in my controller?

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  • UIGraphicsBeginImageContext question in Objective C

    - by Henry D'Andrea
    I need the UIGraphicsBeginImageContext(self.view.frame.size); changed to where the .frame part pulls from webView - (void) save { UIGraphicsBeginImageContext(self.view.frame.size); [self.view.layer renderInContext:UIGraphicsGetCurrentContext()]; UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); UIImageWriteToSavedPhotosAlbum(viewImage, nil, nil, nil); NSLog(@"TEST"); } WEBVIEW CODE: -(BOOL) webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)ntype { NSLog(@"Scheme: %@", request.URL.scheme); if ([request.URL.scheme isEqualToString:@"save"]) { [self save]; } return true; }

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  • Animation on single UIWebView

    - by Shri
    I have searched quite a bit(sample one, Sample two) but cant seem to get the correct answer. I have a webview on my XYZ view controller class. When i press on a button, it takes an URL from an array and re-loads the same webview. Now I need to do the flip book animation on it. Same webview should be reloaded. That is the webview should rotate around its own axis 180/360 degree while the loading of next url is going on. Is this possible?

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  • JSF Rendering Issue (Page getting cached)

    - by Shamik
    I am facing a strange issue with JSF. I have developed one controller and bind it to request scope. I need to access one jsf page like http://localhost:8080/selectRule.jsf?type=A and on the same IE session I want to issue another request like http://localhost:8080/selectRule.jsf?type=B as we can see, only the type is changing here. This is why I have a ruleController bound to request scope, so that every request, creates the controller and pulls out the data depending upon type. I have a private HtmlSelectOneMenu choices item in the page. What I see is, somehow only once in the session the getChoices() is getting called. This is what I see For each url, one new ruleController object is getting created. Only first time getChoices() are called. In the subsequent time, if I change the URL in the web browser, the getChoices() method are not getting called though a new controller is getting created. Note: I am using JSF 1.1

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  • Cache images provided through script

    - by Wim Haanstra
    I have a script, which by using several querystring variables provides an image. I am also using URL rewriting within IIS 7.5. So images have an URL like this: http://mydomain/pictures/ajfhajkfhal/44/thumb.jpg or http://mydomain/pictures/ajfhajkfhal/44.jpg This is rewritten to: http://mydomain/Picture.aspx?group=ajfhajkfhal&id=44&thumb=thumb.jpg or http://mydomain/Picture.aspx?group=ajfhajkfhal&id=44 I added caching rules to IIS to cache JPG images when they are requested. This works with my images that are REAL images on the disk. When images are provided through the script, they are somehow always requested through the script, without being cached. The images do not change that often, so if the cache at least is being kept for 30 minutes (or until file change) that would be best. I am using .NET/C# 4.0 for my website. I tried setting several cache options in C#, but I cant seem to find how to cache these images (client-side), while my static images are cached properly.

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  • ExtJs combobox dispalyfield with hyperlink

    - by abhishek
    I want combobox displayfield value with hyperlink. The selected combobox value should display with a hyperlink, if I click that selected combobox value then it will open in a new tab. var multiComboMap = Ext.create('Ext.form.field.ComboBox', { fieldLabel: 'Select multiple states', renderTo: 'combo-map', multiSelect: true, //disabled: true, displayField:'locationMap', valueField:'locationId', id:'combo-map', width: 500, labelWidth: 130, emptyText: 'To view map select it', store: Ext.create('Ext.data.Store', //get data for the combobox { fields: [ { name: 'locationId', type: 'int' },{ name: 'locationName', type: 'string' },{ name: 'locationMap', type: 'string' } ], proxy: { type: 'ajax', //url: '../data/users.asp', url: '/AOP_MEETING/venueMaster.json', reader: { type: 'json', root: 'venueMasterc' } }, autoLoad: true }), triggerAction:'all', mode:'local', typeAhead: true, lastQuery:'' }); Thanks in advance.

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  • Recognizing the source of Facebook application user

    - by Joel
    Hello, When serving an iframe application in Facebook, is there anyway I can know when a user visits my site through Facebook as an application or if he reached the site directly (typed my domain URL in the browser)? I know I can check if the user has a cookie (named "u") which tells me that the user used facebook to get an access_token. However, if the user visited the application one minute ago and got the access_token cookie, but then typed the URL in the browser, checking for the existence of the cookie will return TRUE, although the visitor arrived to the site directly. Thanks, Joel

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  • javascript---click copy the content to the clipboard

    - by runeveryday
    the following is the code. but it doesn't work. what's wrong with it? thank you. <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>no title</title> <script type="text/javascript"> function copyToClipBoard(content){ var clipBoardContent = ''; clipBoardContent = content; window.clipboardData.setData("Text",clipBoardContent); alert('have copied to the clipboard'); } <body> <textarea rows="4" cols="60" id="url">www.example.com</textarea> <input type="button" value="click me" onclick="copyToClibBoard (document.getElementById ('url').value);" /> </body>

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  • How can I separate error_messages from two forms on one page?

    - by itkevin
    I have two forms in one view updating the User Profile. One Form is to Update my name etc. and one is to change my password. Profile Form: - form_for @user, :url => account_path do |f| = f.error_messages ...form fields here... Password Form: - form_for @user, :url => account_path do |pf| = pf.error_messages ...password fields here... As you can see they both point to the same update action in the users controller. If I type in a invalid password both error_messages show me the same error message. How can I output separate error messages per form?

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  • How to merge branches in Git by "hunk"

    - by user1316464
    Here's the scenario. I made a "dev" branch off the "master" branch and made a few new commits. Some of those changes are going to only be relevant to my local development machine. For example I changed a URL variable to point to a local apache server instead of the real URL that's posted online (I did this for speed during the testing phase). Now I'd like to incorporate my changes from the dev branch into the master branch but NOT those changes which only make sense in my local environment. I'd envisioned something like a merge --patch which would allow me to choose the changes I want to merge line by line. Alternatively maybe I could checkout the "master" branch, but keep the files in my working directory as they were in the "dev" branch, then do a git add --patch. Would that work?

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  • Send 404 when requesting index.php through .htaccess?

    - by Daniel
    I've recently refactored an existing CodeIgniter application to use url segments instead of query strings, and I'm using a rewriterule in htaccess to rewrite stuff to index.php: RewriteRule ^(.*)$ /index.php/$1 [L] My problem right now is that a lot of this website's pages are indexed by google with a link to index.php. Since I made the change to use url segments instead, I don't care about these google results anymore and I want to send a 404 (no need to use 301 Move permanently, there have been enough changes, it'll just have to recrawl everything). To get to the point: How do I redirect requests to /index.php?whatever to a 404 page? I was thinking of rewriting to a non-existent file that would cause apache to send a 404. Would this be an acceptable solution? How would the rewriterule for that look like? edit: Currently, existing google results will just cause the following error: An Error Was Encountered The URI you submitted has disallowed characters.

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  • Download Specific Images

    - by thebourneid
    I'm trying to search and download specific images /front and back cover / of a website if found but whatever I do I always download only one of them. What should I change in my code to download both of them if found? while ($title_found =~ /'(http:\/\/images.blu-ray.com\/movies\/covers\/\d+_.*?)'/gis) { $url = getSite($1); if ($title_found =~ /front/) { $filename = 'front.jpg'; } elsif ($title_found =~ /back/) { $filename = 'back.jpg'; } } my $dir = 'somepath'.$filename; open F, ">", $dir; binmode F; print F $url; close F; return 0;

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  • UIWebview isn't displaying content I want it to display

    - by Knodel
    In my app I have a UIWebView which loads different rtf files. I use this function to load these files: - (void)loadFile:(NSString*)file { NSString* resourcePath = [[NSBundle mainBundle] resourcePath]; NSString* sourceFilePath = [resourcePath stringByAppendingPathComponent:file]; NSURL* url = [NSURL fileURLWithPath:sourceFilePath isDirectory:NO]; NSURLRequest* request = [NSURLRequest requestWithURL:url]; [webview loadRequest:request]; } The UIWebView displays nothing. When I enter the debugger, the file string value is which I need, but resourcePath and sourceFilePath values are "nil". What am I doing wrong? Thanks in advance!

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  • Can't access variables from dynamically loaded javascript

    - by Menno
    I'm using a fairly simple system to load javascript dynamically: include = function (url) { var e = document.createElement("script"); e.src = url; e.type="text/javascript"; document.getElementsByTagName("head")[0].appendChild(e); }; Let's say I have a file test.js which has the following contents: var foo = 4; Now, in my original script, I want to use include(test.js); console.log(foo); However, I get a 'foo has not been defined' error on this. I'm guessing it has to do with the dynamic script being included as the last child of the <head> tag. How can I get this to work?

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  • photo and video sharing on facebook in asp.net

    - by IphoneDeveloper
    i have to share the photo on facebook for which i have written the following code try { labelSteps_1_2.Text = "<a name=\"fb_share\" type=\"button\"></a>" + "<script " + "src=\"http://static.ak.fbcdn.net/connect.php/js/FB.Share\" " + "type=\"text/javascript\"></script>"; HtmlMeta tag = new HtmlMeta(); tag.Name = "title"; tag.Content = "This is the Title"; Page.Header.Controls.Add(tag); HtmlLink link = new HtmlLink(); link.Href = "http://admin.bizofair.com/UploadOffers/O_O11090004_14032012053503_183_183.jpeg"; link.Attributes["rel"] = "image_src"; link.Style.Add("color", "red"); Page.Header.Controls.Add(link); } catch (Exception ex) { // Handle the exception } on page load but it is not showing the image and when i have paste url of my image in facebook debugger on facebook developer it is giving error Errors That Must Be Fixed Can't Download: Could not retrieve data from URL.

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  • How can I use cURL to open multiple URLs simultaneously with PHP?

    - by Rob
    Here is my current code: $SQL = mysql_query("SELECT url FROM urls") or die(mysql_error()); //Query the urls table while($resultSet = mysql_fetch_array($SQL)){ //Put all the urls into one variable // Now for some cURL to run it. $ch = curl_init($resultSet['url']); //load the urls curl_setopt($ch, CURLOPT_TIMEOUT, 2); //No need to wait for it to load. Execute it and go. curl_exec($ch); //Execute curl_close($ch); //Close it off } //While loop I'm relatively new to cURL. By relatively new, I mean this is my first time using cURL. Currently it loads one for two seconds, then loads the next one for 2 seconds, then the next. however, I want to make it load ALL of them at the same time. I'm sure its possible, I'm just unsure as to how. If someone could point me in the right direction, I'd appreciate it.

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  • Replacing backslashes in Python strings

    - by user323659
    I have some code to encrypt some strings in Python. Encrypted text is used as a parameter in some urls, but after encrypting, there comes backslashes in string and I cannot use single backslash in urllib2.urlopen. I cannot replace single backslash with double. For example: print cipherText '\t3-@\xab7+\xc7\x93H\xdc\xd1\x13G\xe1\xfb' print cipherText.replace('\\','\\\\') '\t3-@\xab7+\xc7\x93H\xdc\xd1\x13G\xe1\xfb' Also putting r in front of \ in replace statement did not worked. All I want to do is calling that kind of url: http://awebsite.me/main?param="\t3-@\xab7+\xc7\x93H\xdc\xd1\x13G\xe1\xfb" And also this url can be successfully called: http://awebsite.me/main?param="\\t3-@\\xab7+\\xc7\\x93H\\xdc\\xd1\\x13G\\xe1\\xfb" Any idea will be appreciated.

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  • Unable to publish files in SharePoint

    - by iHeartDucks
    When I publish a file from code byte[] fileBytes = objItem.File.OpenBinary(); string DestinationURL = string.Format(@"{0}/{1}", objDestinationFolder.Url, objItem.File.Name); //Copy the file. SPFile objDestinationFile = objDestinationFolder.Files.Add(DestinationURL, fileBytes, true); objDestinationFile.Update(); objDestinationFile.Publish(string.Format("File Copied from {0}", objItem.Url)); I get an error message which says You can only publish, unpublish documents in a minor version enabled list Ii checked the permissions of the list and it has "Create major and minor (draft) versions" checked. Any ideas?

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  • Ampersand in JSON/PHP in POST

    - by svenkapudija
    I'm having a text field which is send via JSON and jQuery (wrapped with .toJSON function) to my server via AJAX and POST request. On PHP side I'm doing json_decode . Everything works but if I put ampersand (&) inside it splits up the POST parameter so its incomplete on PHP side (at least what var_dump($_POST) is writing out). Shouldn't the toJSON and json_decode do all the job (escaping)? I tried encodeURIComponent, & to &amp;, & to \u0026 and it's not working. What I'm doing wrong? AJAX call function execute() { this.setupUrl(); return $.ajax({ type: this.requestMethod, data: this.getDataParams(), url: this.url }); } function getDataParams() { if(this.data != undefined) { if(this.requestMethod == 'POST' || this.requestMethod == 'PUT') { return "data=" + $.toJSON(this.data); } else if (this.requestMethod == 'GET') { return this.data; } } else { return null; } }

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  • Php regular expression to match a div

    - by Thoman
    Hello This is mycode <?php /** * @author Joomlacoders * @copyright 2010 */ $url="http://urlchecker.net/html/demo.html"; $innerHtml=file_get_contents($url); //echo $innerHtml; preg_match_all("{\<div id='news-id-.*d'\>(.*)\</div\>}",$innerHtml,$matches); //<div id='news-id-160346'> var_dump($matches); ?> I want find all content in div id='news-id-160346'. Please help me

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  • Can not make a request to google map

    - by Eme Emertana
    Hi I am making a restful request to google map, but I run into following error; java.io.IOException: Server returned HTTP response code: 400 for URL: http://maps.googleapis.com/maps/api/distancematrix/xml?origins=Washington, DC USA&destinations=Los+Angeles+CA+USA&mode=driving&sensor=false at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1436) at java.net.URLConnection.getContent(URLConnection.java:688) I believe its making a correct connection as I can get the correct response by copying the above URL into my browser, I am wondering why I am getting 400 error code in my console and I dont get the correct response when java is sending the request.

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  • Jquery ui autocomplete different source

    - by voidnull
    Hi i try to use jquery ui autocomplete. I have different autocomplete field in one page and i need to get data with different sources (different url) depend to wich autocomplete field is used. i know how can i get the typed data (request.term), but i cant find the way to get the selected field ID. $(".ac").autocomplete({ source: function(request, response) { id = '??? the actually used field #id ???'; $.ajax({ type: "POST", url: "/admin_/sql/autocomplete/"+id, data: "test=...", async: false, success: function(data) { } }); }, search: function() { // }, focus: function() { // return false; }, select: function(event, ui) { // return false; } });

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  • What is the best way to inject a javascript script from another domain into a page? (without using a

    - by lowellk
    Here is a snippet of javascript for loading a script onto a given page asynchronously. I was wondering if there was anything wrong with it? Can it be improved? I haven't played with this yet, but some things I'm worried about are: - cross browser support - when script.readyState is true, will the old version of that function get clobbered? - can i always count on there being a head or body element? Here it is: function injectScript(url, callback){ var script = document.createElement('script'); script.type = "text/javascript"; script.setAttribute('async', 'true'); script.src = url; (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(script); if (callback) { if (script.readyState){ script.onreadystatechange = function(){ if(script.readyState === "loaded" || script.readyState === "complete"){ script.onreadystatechange = null; callback(); } }; }else{ script.onload = function() { callback(); } } } }

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  • PHP read a cookie that is on another domain

    - by pnm123
    Hello, I have two domains. One domain contains the login script. It creates a cookie when logged in. Another domain have a URL shortener. So, on the 2nd domain that have the URL Shortener script have a file called session.php. Usually I was using $_COOKIE['sessionid'] to get the session id and match it using database. How can I get the session id now? I have tried few ways but none of them have solve my problem. Thank you, pnm123

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