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  • Help finding good players that would display music library as folder structure

    - by cipricus
    I have a big music library. Nothing special here. But I very much dislike the way usually music library is displayed in most recommended players, according to Artist/Album/Year/Genre tags, ignoring my folder structure or making it hardly accessible. The problem is that not all my music is tagged according to genre etc, but all is perfectly ordered by folder structure which takes into account all characteristics handled by tags, as well as many others, which I can change and specify at any time. (I can decide ordering my music by country, inside a sub-category like "baroque music", for example). The advantage of using folder structure in displaying media library is that all the logical structure is displayed, with all sub-categories, which can vary and be changed, visible at the same time. Some Players, like Clementine and Quod Libet, can display folders, but when comes to displaying only the library, they still display it only by tags. I am looking for some plugins to good players that would provide a solution to this, and I am looking for different solutions to this. Therefore I'll display as my own answer some solutions that I have already found and welcome other answers with new and better ways to achieve the same purpose. (Most welcome are of course players that, beside having the capability discussed here, would include other elementary features like playlists in tabs, search, and so forth.)

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  • How to SEO Optimize Javascript Image Loader?

    - by skibulk
    I am building an image-centric catalog website. It catalogs collectible gaming cards numbering 100,000+ pages. Competitor sites recieve millions of hits each month, so with the possibility of excessive traffic, I need to moderate image bandwidth while also optimizing for image SEO. I'm looking for some tips on doing so. Each page on the site features one card with appropriate tags and descriptions. There are however four images for each card - one on matte cardstock, one on foil cardstock, one digital, and one digital foil. In a world with unlimited bandwidth and no-wait page loads, I'd simply embed all four images on the main product page with titles, alt tags, and captions to rank them according to their version keyword. In reality a javascript gallery image loader seems appropriate. Here is a simplified example of my current code. Would this affect SEO in any way? Should I be doing anything differently? Note that I don't want to create a page for each image as I'd have to duplicate the card tags and descriptions on each one, diluting PR for the main page. Thanks for any insight! <script type="text/javascript"> document.write(' <img src="thumbnail1.jpg" data-src="version1.jpg"> <img src="thumbnail2.jpg" data-src="version2.jpg"> <img src="thumbnail3.jpg" data-src="version3.jpg"> <img src="thumbnail4.jpg" data-src="version4.jpg"> '); </script> <noscript> <img src="version1.jpg"> <img src="version2.jpg"> <img src="version3.jpg"> <img src="version4.jpg"> </noscript>

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  • Discovery methods

    - by Owen Allen
    In Ops Center, asset discovery is a process in which the software determines what assets exist in your environment. You can't monitor an asset, or do anything to it through Ops Center, until it's discovered. I've seen a couple of questions about how to discover various types of asset, so I thought I'd explain the discovery methods and what they each do. Find Assets - This discovery method searches for service tags on all known networks. Service tags are small files on some hardware and operating systems that provide basic identification info. Once a service tag has been found, you provide credentials to manage the asset. This method can discover assets quickly, but only if the target assets have service tags. Add Assets with discovery profile - This method lets you specify targets by providing IP addresses, IP ranges, or hostnames, as well as the credentials needed to connect to and manage these assets. You can create discovery profiles for any type of asset. Declare asset - This method lets you specify the details of a server, with or without a configured service processor. You can then use Ops Center to install a new operating system or configure the SP. This method works well for new hardware. These methods are all discussed in more detail in the Asset Management chapter of the Feature Reference guide.

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  • Multilingual sites and Google search results, using sub-folders for language

    - by AWinter
    About three months ago we added an English version of our, previously Japanese only, site under the subfolder /en/ we've tried to follow the sometimes incomplete best practices laid out by Google by adding alternate tags to all pages that are currently translated. The top page for instance has the following meta tags for language. <link rel="canonical" href="/"> <link rel="alternate" hreflang="ja" href="/"> <link rel="alternate" hreflang="en" href="/en/"> While the English main page under /en/ has <link rel="canonical" href="/en/"> <link rel="alternate" hreflang="ja" href="/"> <link rel="alternate" hreflang="en" href="/en/"> Alternate languages are setup in the sitemap. (as per Google's recommendations) It seems however that Google absolutely refuses to show the English top page in results when the user is using English at google.com if you search you'll, as of this post, get the Japanese description and a title that Google has apparently invented instead of the title and description in the meta-tags for the /en/ index page. Does anyone have any experience with subfolders actually working to affect search results? What are the best practices for ensuring that the correct language version of my website is displayed through Google and other search engines? And how long will it take before the new language version becomes prominent in search engine results?

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  • PHP Calculating Text to Content Ratio

    - by James
    I am using the following code to calculate text to code ratio. I think it is crazy that no one can agree on how to properly calculate the result. I am looking any suggestions or ideas to improve this code that may make it more accurate. <?php // Returns the size of the content in bytes function findKb($content){ $count=0; $order = array("\r\n", "\n", "\r", "chr(13)", "\t", "\0", "\x0B"); $content = str_replace($order, "12", $content); for ($index = 0; $index < strlen($content); $index ++){ $byte = ord($content[$index]); if ($byte <= 127) { $count++; } else if ($byte >= 194 && $byte <= 223) { $count=$count+2; } else if ($byte >= 224 && $byte <= 239) { $count=$count+3; } else if ($byte >= 240 && $byte <= 244) { $count=$count+4; } } return $count; } // Collect size of entire code $filesize = findKb($content); // Remove anything within script tags $code = preg_replace("@<script[^>]*>.+</script[^>]*>@i", "", $content); // Remove anything within style tags $code = preg_replace("@<style[^>]*>.+</style[^>]*>@i", "", $content); // Remove all tags from the system $code = strip_tags($code); // Remove Extra whitespace from the content $code = preg_replace( '/\s+/', ' ', $code ); // Find the size of the remaining code $codesize = findKb($code); // Calculate Percentage $percent = $codesize/$filesize; $percentage = $percent*100; echo $percentage; ?> I don't know the exact calculations that are used so this function is just my guess. Does anyone know what the proper calculations are or if my functions are close enough for a good judgement.

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  • Where should "display functions" live in an MVC web app?

    - by User
    I'm using the Yii Framework which is an MVC php framework that is pretty similar to your standard web-based MVC framework. I want to display the related data from a many-to-many table as a list of strings in my view. Assuming a table schema like: tag { id, name } post { id, title, content, date } post_tag { post_id, tag_id } A post will display like: Date: 9/27/2012 Title: Some Title Content: blah blah blah... Tags: Smart Funny Cool Informative I can achieve this by doing something like this in my Post view: <?php echo join(' ', array_map(function($tag) { return $tag->name; }, $model->tags)); ?> (where $model->tags is an array of Tag objects associated with my model) My questions are: Is this amount of code/logic okay in the view? (Personally I think I'd rather just reference a property or call a single function.) If not, where should this code live? In the model? the controller? a helper? Potentially I may want to use in in other views as well. Ultimately I think its purely a display issue which would make me think it should be in the view, but then I have to repeat the code in any view I want to use it in.

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  • Multilingual sites and Google search results, do subfolders really work?

    - by AWinter
    About three months ago we added an English version of our, previously Japanese only, site http://www.clubberia.com under the subfolder http://www.clubberia.com/en/ we've tried to follow the sometimes incomplete best practices laid out by Google by adding alternate tags to all pages that are currently translated. The top page for instance has the following meta tags for language. <link rel="canonical" href="/"> <link rel="alternate" hreflang="ja" href="/"> <link rel="alternate" hreflang="en" href="/en/"> While the English main page under /en/ has <link rel="canonical" href="/en/"> <link rel="alternate" hreflang="ja" href="/"> <link rel="alternate" hreflang="en" href="/en/"> We also have these alternate languages setup in the sitemap. (as per Google's recommendations) http://www.clubberia.com/sitemap.xml It seems however that Google absolutely refuses to show the English top page in results when the user is using English at google.com if you search for "clubberia" you'll, as of this post, get the Japanese description and a title that Google has apparently invented instead of the title and description in the meta-tags for the /en/ index page. Does anyone have any experience with subfolders actually working to affect search results? Am I being too impatient, or possibly doing something incorrect? Should we just give up on subfolders and push to subdomains (not the prettiest option)?

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  • After each command tmux prints: ps1_update: command not found

    - by B.I.
    On Linux Ubuntu 11.04, after each command (cd, ls, vim...) successful or not, tmux prints out as a last line ps1_update: command not found. Is there any config option I am missing? Thank you very much! tmux.conf # http://lukaszwrobel.pl/blog/tmux-tutorial-split-terminal-windows-easily # just remember that after every modification, tmux must be refreshed # to take new settings into account. # This can be achieved either by restarting it or by typing in: # tmux source-file .tmux.conf # Here is a list of a few basic tmux commands: # Ctrl+b " - split pane horizontally. # Ctrl+b % - split pane vertically. # Ctrl+b arrow key - switch pane. # Hold Ctrl+b, don't release it and hold one of the arrow keys - resize pane. # !Ctrl+b c - (c)reate a new window. # !Ctrl+b n - move to the (n)ext window. # Ctrl+b p - move to the (p)revious window. # Shift+LMB - select text. # ALT+Arrows to move among panes. # rebind default prefix to C-a unbind C-b set -g prefix C-a # use ALT+Arrows to move around panes bind -n M-Left select-pane -L bind -n M-Right select-pane -R bind -n M-Up select-pane -U bind -n M-Down select-pane -D # activity monitoring setw -g monitor-activity on set -g visual-activity on # highlight current pane set-window-option -g window-status-current-bg yellow # enable pane switching with mouse set-option -g mouse-select-pane on # read bashrc source ~/.bashrc # Sane scrolling set -g terminal-overrides 'xterm*:smcup@:rmcup@' commandline print out ($(cat)user@tiki:~/.vim$ ls autoload bash_profile bashrc bundle README.md tmux.conf vimrc xmonad xmonad-ubuntu-conf xsessionrc ps1_update: command not found ($(cat)user@tiki:~/.vim$ ll total 56 drwxrwxr-x 2 user user 4096 Mar 17 10:20 autoload/ -rw-rw-r-- 1 user user 170 Mar 17 10:20 bash_profile -rw-rw-r-- 1 user user 4004 Apr 2 11:37 bashrc drwxrwxr-x 20 user user 4096 Aug 20 10:55 bundle/ -rw-rw-r-- 1 user user 11170 Aug 20 11:24 README.md -rw-rw-r-- 1 user user 1243 Mar 17 10:20 tmux.conf ps1_update: command not found ($(cat)user@tiki:~/.vim$ And the following is plain terminal output, without tmux running user@tiki:~$ ls backup_list.md Documents Dropbox examples.desktop hakers_and_painters.md~ hyundai Music projects ror Ubuntu One Videos windows.sh Desktop Downloads elif.txt hakers_and_painters.md help.txt maqola.txt Pictures Public tmp update_background.sh VirtualBox VMs user@tiki:~$ ll total 116 -rw-rw-r-- 1 user user 380 Aug 9 17:34 backup_list.md drwxr-xr-x 6 user user 4096 Jul 15 09:26 Desktop/ drwxr-xr-x 2 user user 4096 Jul 7 11:26 Documents/ drwxr-xr-x 11 user user 20480 Aug 20 13:53 Downloads/ -rwx------ 1 user user 729 May 7 14:45 update_background.sh* drwxr-xr-x 2 user user 4096 Dec 10 2013 Videos/ drwxrwxr-x 4 user user 4096 Sep 10 2013 VirtualBox VMs/ -rwxrwxr-x 1 user user 36 Jan 11 2014 windows.sh* user@tiki:~$ cd Desktop/ user@tiki:~/Desktop$ ll total 36 -rw-rw-r-- 1 user user 3388 Jul 14 17:10 daily--report.md -rw-rw-r-- 1 user user 71 Jan 28 2014 fernandez readme.md -rw-rw-r-- 1 user user 23 Jan 28 2014 fernandez readme.md~ drwx------ 4 user user 4096 Mar 23 14:02 my_docs/ drwx------ 2 user user 4096 Feb 3 2014 Origami/ drwx------ 7 user user 4096 Feb 1 2013 Plants_vs._Zombies_v1.2.0.1065/ -rwxr-xr-x 1 user user 301 Apr 15 11:28 Sky Fight.desktop* drwx------ 2 user user 4096 Feb 11 2014 webdesign/ -rwxrwxr-x 1 user user 26 Jan 11 2014 windows.sh~* user@tiki:~/Desktop$

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  • get_or_create generic relations in Django & python debugging in general

    - by rabidpebble
    I ran the code to create the generically related objects from this demo: http://www.djangoproject.com/documentation/models/generic_relations/ Everything is good intially: >>> bacon.tags.create(tag="fatty") <TaggedItem: fatty> >>> tag, newtag = bacon.tags.get_or_create(tag="fatty") >>> tag <TaggedItem: fatty> >>> newtag False But then the use case that I'm interested in for my app: >>> tag, newtag = bacon.tags.get_or_create(tag="wholesome") Traceback (most recent call last): File "<console>", line 1, in <module> File "/usr/local/lib/python2.6/dist-packages/django/db/models/manager.py", line 123, in get_or_create return self.get_query_set().get_or_create(**kwargs) File "/usr/local/lib/python2.6/dist-packages/django/db/models/query.py", line 343, in get_or_create raise e IntegrityError: app_taggeditem.content_type_id may not be NULL I tried a bunch of random things after looking at other code: >>> tag, newtag = bacon.tags.get_or_create(tag="wholesome", content_type=TaggedItem) ValueError: Cannot assign "<class 'generics.app.models.TaggedItem'>": "TaggedItem.content_type" must be a "ContentType" instance. or: >>> tag, newtag = bacon.tags.get_or_create(tag="wholesome", content_type=TaggedItem.content_type) InterfaceError: Error binding parameter 3 - probably unsupported type. etc. I'm sure somebody can give me the correct syntax, but the real problem here is that I have no idea what is going on. I have developed in strongly typed languages for over ten years (x86 assembly, C++ and C#) but am new to Python. I find it really difficult to follow what is going on in Python when things like this break. In the languages I mentioned previously it's fairly straightforward to figure things like this out -- check the method signature and check your parameters. Looking at the Django documentation for half an hour left me just as lost. Looking at the source for get_or_create(self, **kwargs) didn't help either since there is no method signature and the code appears very generic. A next step would be to debug the method and try to figure out what is happening, but this seems a bit extreme... I seem to be missing some fundamental operating principle here... what is it? How do I resolve issues like this on my own in the future?

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  • derby + hibernate ConstraintViolationException using manytomany relationships

    - by user364470
    Hi, I'm new to Hibernate+Derby... I've seen this issue mentioned throughout the google, but have not seen a proper resolution. This following code works fine with mysql, but when I try this on derby i get exceptions: ( each Tag has two sets of files and vise-versa - manytomany) Tags.java @Entity @Table(name="TAGS") public class Tags implements Serializable { @Id @GeneratedValue(strategy=GenerationType.AUTO) public long getId() { return id; } @ManyToMany(targetEntity=Files.class ) @ForeignKey(name="USER_TAGS_FILES",inverseName="USER_FILES_TAGS") @JoinTable(name="USERTAGS_FILES", joinColumns=@JoinColumn(name="TAGS_ID"), inverseJoinColumns=@JoinColumn(name="FILES_ID")) public Set<data.Files> getUserFiles() { return userFiles; } @ManyToMany(mappedBy="autoTags", targetEntity=data.Files.class) public Set<data.Files> getAutoFiles() { return autoFiles; } Files.java @Entity @Table(name="FILES") public class Files implements Serializable { @Id @GeneratedValue(strategy=GenerationType.AUTO) public long getId() { return id; } @ManyToMany(mappedBy="userFiles", targetEntity=data.Tags.class) public Set getUserTags() { return userTags; } @ManyToMany(targetEntity=Tags.class ) @ForeignKey(name="AUTO_FILES_TAGS",inverseName="AUTO_TAGS_FILES") @JoinTable(name="AUTOTAGS_FILES", joinColumns=@JoinColumn(name="FILES_ID"), inverseJoinColumns=@JoinColumn(name="TAGS_ID")) public Set getAutoTags() { return autoTags; } I add some data to the DB, but when running over Derby these exception turn up (the don't using mysql) Exceptions SEVERE: DELETE on table 'FILES' caused a violation of foreign key constraint 'USER_FILES_TAGS' for key (3). The statement has been rolled back. Jun 10, 2010 9:49:52 AM org.hibernate.event.def.AbstractFlushingEventListener performExecutions SEVERE: Could not synchronize database state with session org.hibernate.exception.ConstraintViolationException: could not delete: [data.Files#3] at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:96) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66) at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2712) at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2895) at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java:97) at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:268) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:260) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:184) at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:51) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1206) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:613) at org.hibernate.context.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:344) at $Proxy13.flush(Unknown Source) at data.HibernateORM.removeFile(HibernateORM.java:285) at data.DataImp.removeFile(DataImp.java:195) at booting.DemoBootForTestUntilTestClassesExist.main(DemoBootForTestUntilTestClassesExist.java:62) I have never used derby before so maybe there is something crutal that i'm missing 1) what am I doing wrong? 2) is there any way of cascading properly when I have 2 many-to-many relationships between two classes? Thanks!

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  • Entity Framework 4 CTP 5 POCO - Many-to-many configuration, insertion, and update?

    - by Saxman
    I really need someone to help me to fully understand how to do many-to-many relationship with Entity Framework 4 CTP 5, POCO. I need to understand 3 concepts: How to config my model to indicates some tables are many-to-many. How to properly do insert. How to properly do update. Here are my current models: public class MusicSheet { [Key] public int ID { get; set; } public string Title { get; set; } public string Key { get; set; } public virtual ICollection<Author> Authors { get; set; } public virtual ICollection<Tag> Tags { get; set; } } public class Author { [Key] public int ID { get; set; } public string Name { get; set; } public string Bio { get; set; } public virtual ICollection<MusicSheet> MusicSheets { get; set; } } public class Tag { [Key] public int ID { get; set; } public string TagName { get; set; } public virtual ICollection<MusicSheet> MusicSheets { get; set; } } As you can see, the MusicSheet can have many Authors or Tags, and an Author or Tag can have multiple MusicSheets. Again, my questions are: What to do on the EntityTypeConfiguration to set the relationship between them as well as mapping to an table/object that associates with the many-to-many relationship. How to insert a new music sheets (where it might have multiple authors or multiple tags). How to update a music sheet. For example, I might set TagA, TagB to MusicSheet1, but later I need to change the tags to TagA and TagC. It seems like I need to first check to see if the tags already exists, if not, insert the new tag and then associate it with the music sheet (so that I doesn't re-insert TagA?). Or this is something already handled by the framework? Thank you very much. I really hope to fully understand it rather than just doing it without fully understand what's going on. Especially on #3.

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  • Searching in Ruby on Rails - How do I search on each word entered and not the exact string?

    - by bgadoci
    I have built a blog application w/ ruby on rails and I am trying to implement a search feature. The blog application allows for users to tag posts. The tags are created in their own table and belong_to :post. When a tag is created, so is a record in the tag table where the name of the tag is tag_name and associated by post_id. Tags are strings. I am trying to allow a user to search for any word tag_name in any order. Here is what I mean. Lets say a particular post has a tag that is 'ruby code controller'. In my current search feature, that tag will be found if the user searches for 'ruby', 'ruby code', or 'ruby code controller'. It will not be found if the user types in 'ruby controller'. Essentially what I am saying is that I would like each word entered in the search to be searched for, not necessarily the 'string' that is entered into the search. I have been experimenting with providing multiple textfields to allow the user to type in multiple words, and also have been playing around with the code below, but can't seem to accomplish the above. I am new to ruby and rails so sorry if this is an obvious question and prior to installing a gem or plugin I thought I would check to see if there was a simple fix. Here is my code: View: /views/tags/index.html.erb <% form_tag tags_path, :method => 'get' do %> <p> <%= text_field_tag :search, params[:search], :class => "textfield-search" %> <%= submit_tag "Search", :name => nil, :class => "search-button" %> </p> <% end %> TagsController def index @tags = Tag.search(params[:search]).paginate :page => params[:page], :per_page => 5 @tagsearch = Tag.search(params[:search]) @tag_counts = Tag.count(:group => :tag_name, :order => 'count_all DESC', :limit => 100) respond_to do |format| format.html # index.html.erb format.xml { render :xml => @tags } end end Tag Model class Tag < ActiveRecord::Base belongs_to :post validates_length_of :tag_name, :maximum=>42 validates_presence_of :tag_name def self.search(search) if search find(:all, :order => "created_at DESC", :conditions => ['tag_name LIKE ?', "%#{search}%"]) else find(:all, :order => "created_at DESC") end end end

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  • Django save_m2m() and excluded field

    - by jul
    hi, in a ModelForm I replaced a field by excluding it and adding a new one with the same name, as shown below in AddRestaurantForm. When saving the form with the code shown below, I get an error in form.save_m2m() ("Truncated incorrect DOUBLE value"), which seems to be due to the function to attempt to save the tag field, while it is excluded. Is the save_m2m() function supposed to save excluded fields? Is there anything wrong in my code? Thanks Jul (...) new_restaurant = form.save(commit=False) new_restaurant.city = city new_restaurant.save() tags = form.cleaned_data['tag'] if(tags!=''): tags=tags.split(',') for t in tags: tag, created = Tag.objects.get_or_create(name = t.strip()) tag.save() new_restaurant.tag.add(tag) new_restaurant.save() form.save_m2m() models.py class Tag(models.Model): name = models.CharField(max_length=100, unique=True) class Restaurant(models.Model): name = models.CharField(max_length=50) city=models.ForeignKey(City) category=models.ManyToManyField(Category) tag=models.ManyToManyField(Tag, blank=True, null=True) forms.py class AddRestaurantForm(ModelForm): name = forms.CharField(widget=forms.TextInput(attrs=classtext)) city = forms.CharField(widget=forms.TextInput(attrs=classtext), max_length=100) tag = forms.CharField(widget=forms.TextInput(attrs=classtext), required=False) class Meta: model = Restaurant exclude = ('city','tag') Traceback: File "/var/lib/python-support/python2.5/django/core/handlers/base.py" in get_response 92. response = callback(request, *callback_args, **callback_kwargs) File "/home/jul/atable/../atable/resto/views.py" in addRestaurant 498. form.save_m2m() File "/var/lib/python-support/python2.5/django/forms/models.py" in save_m2m 75. f.save_form_data(instance, cleaned_data[f.name]) File "/var/lib/python-support/python2.5/django/db/models/fields/ related.py" in save_form_data 967. setattr(instance, self.attname, data) File "/var/lib/python-support/python2.5/django/db/models/fields/ related.py" in set 627. manager.add(*value) File "/var/lib/python-support/python2.5/django/db/models/fields/ related.py" in add 430. self._add_items(self.source_col_name, self.target_col_name, *objs) File "/var/lib/python-support/python2.5/django/db/models/fields/ related.py" in _add_items 497. [self._pk_val] + list(new_ids)) File "/var/lib/python-support/python2.5/django/db/backends/util.py" in execute 19. return self.cursor.execute(sql, params) File "/var/lib/python-support/python2.5/django/db/backends/mysql/ base.py" in execute 84. return self.cursor.execute(query, args) File "/var/lib/python-support/python2.5/MySQLdb/cursors.py" in execute 168. if not self._defer_warnings: self._warning_check() File "/var/lib/python-support/python2.5/MySQLdb/cursors.py" in _warning_check 82. warn(w[-1], self.Warning, 3) File "/usr/lib/python2.5/warnings.py" in warn 62. globals) File "/usr/lib/python2.5/warnings.py" in warn_explicit 102. raise message Exception Type: Warning at /restaurant/add/ Exception Value: Truncated incorrect DOUBLE value: 'a'

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  • how to rollback/undo yum update on fedora after messing the fedora versions

    - by misteryes
    I want to install texlive on my fedora 16 laptop with the following procedure: # yum remove tex-* texlive-* # cat > /etc/yum.repos.d/texlive.repo <<EOF [texlive] name=texlive baseurl=http://jnovy.fedorapeople.org/texlive/2012/packages.f17/ enabled=1 gpgcheck=0 EOF # yum update; # yum install texlive after yum update, I notice that my laptop is fedora 16, while I used 2012/packages.fc17/ so I modify /etc/yum.repos.d/texlive.repo to use 2011/packages.fc16 and do yum update again however, there are many errors [root@kitty esolve]# yum update Loaded plugins: auto-update-debuginfo, langpacks, presto, refresh-packagekit http://repos.fedorapeople.org/repos/leigh123linux/cinnamon/fedora-16/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found : http://repos.fedorapeople.org/repos/leigh123linux/cinnamon/fedora-16/x86_64/repodata/repomd.xml Trying other mirror. Setting up Update Process Resolving Dependencies --> Running transaction check ---> Package dvipng.x86_64 0:1.14-1.fc15 will be obsoleted ---> Package kpathsea.x86_64 0:2007-66.fc16 will be obsoleted --> Processing Dependency: libkpathsea.so.4()(64bit) for package: evince-dvi-3.2.1-2.fc16.x86_64 ---> Package mkvtoolnix.x86_64 0:5.8.0-1 will be updated ---> Package mkvtoolnix.x86_64 0:6.3.0-1 will be an update ---> Package nautilus-dropbox.x86_64 0:1.4.0-1.fc10 will be updated ---> Package nautilus-dropbox.x86_64 0:1.6.0-1.fc10 will be an update ---> Package texlive-dvipng-bin.x86_64 2:svn26509.0-19.20130317_r29408.fc17 will be obsoleting --> Processing Dependency: texlive-kpathsea-lib = 2:2012-19.20130317_r29408.fc17 for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 --> Processing Dependency: texlive-base for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 --> Processing Dependency: tex-dvipng for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 --> Processing Dependency: libpng15.so.15()(64bit) for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 --> Processing Dependency: libkpathsea.so.6()(64bit) for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 ---> Package texlive-kpathsea.noarch 2:svn28792.0-19.fc17 will be obsoleting --> Processing Dependency: texlive-kpathsea-bin for package: 2:texlive-kpathsea-svn28792.0-19.fc17.noarch --> Running transaction check ---> Package kpathsea.x86_64 0:2007-66.fc16 will be obsoleted --> Processing Dependency: libkpathsea.so.4()(64bit) for package: evince-dvi-3.2.1-2.fc16.x86_64 ---> Package texlive-base.noarch 2:2012-19.20130317_r29408.fc17 will be installed ---> Package texlive-dvipng.noarch 2:svn26689.1.14-19.fc17 will be installed ---> Package texlive-dvipng-bin.x86_64 2:svn26509.0-19.20130317_r29408.fc17 will be obsoleting --> Processing Dependency: libpng15.so.15()(64bit) for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 ---> Package texlive-kpathsea-bin.x86_64 2:svn27347.0-19.20130317_r29408.fc17 will be installed ---> Package texlive-kpathsea-lib.x86_64 2:2012-19.20130317_r29408.fc17 will be installed --> Finished Dependency Resolution Error: Package: evince-dvi-3.2.1-2.fc16.x86_64 (@fedora) Requires: libkpathsea.so.4()(64bit) Removing: kpathsea-2007-66.fc16.x86_64 (@so-updates) libkpathsea.so.4()(64bit) Obsoleted By: 2:texlive-kpathsea-svn28792.0-19.fc17.noarch (texlive) Not found Error: Package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 (texlive) Requires: libpng15.so.15()(64bit) You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest and when I do yum install texlive, it simply tries to install the f17 version, which failed. what Can I do to install f16 version? how can I undo yum update with 2012/packages.f17/ I tried yum history, and for today's history, I only have Loaded plugins: auto-update-debuginfo, langpacks, presto, refresh-packagekit ID | Login user | Date and time | Action(s) | Altered ------------------------------------------------------------------------------- 124 | esolve ... <esolve> | 2013-09-12 18:35 | Erase | 24 123 | root <root> | 2013-08-23 11:08 | Update | 1 122 | root <root> | 2013-08-21 14:13 | Update | 1 < 121 | esolve ... <esolve> | 2013-05-31 15:36 | Install | 1 > 120 | root <root> | 2013-05-29 15:13 | Install | 1 < 119 | root <root> | 2013-04-18 13:13 | Update | 1 >< which seems not related to yum update the history results: 1003 yum update 1004 vim 1005 vim /etc/yum.repos.d/texlive.repo 1006 yum update 1007 yum install texlive 1008 vim /etc/yum.repos.d/texlive.repo 1009 clear 1010 yum history 1011 yum history list 1012 vim 1013 vim /etc/yum.repos.d/texlive.repo 1014 yum history list 1015 history also I tried yum history undo 124 but it failed! [root@kitty esolve]# yum history undo 124 Loaded plugins: auto-update-debuginfo, langpacks, presto, refresh-packagekit http://repos.fedorapeople.org/repos/leigh123linux/cinnamon/fedora-16/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found : http://repos.fedorapeople.org/repos/leigh123linux/cinnamon/fedora-16/x86_64/repodata/repomd.xml Trying other mirror. Undoing transaction 124, from Thu Sep 12 18:35:31 2013 Erase R-2.14.1-1.fc16.x86_64 ? Erase R-core-2.14.1-1.fc16.x86_64 ? Erase R-devel-2.14.1-1.fc16.x86_64 ? Erase a2ps-4.14-12.fc15.x86_64 ? Erase docbook-utils-pdf-0.6.14-29.fc16.noarch ? Erase html2ps-1.0-0.7.b7.fc15.noarch ? Erase jadetex-3.13-10.fc15.noarch ? Erase kile-2.1.1-1.fc16.x86_64 ? Erase linuxdoc-tools-0.9.66-9.fc15.x86_64 ? Erase tetex-dvipost-1.1-12.fc15.x86_64 ? Erase tex-cm-lgc-0.5-18.fc15.noarch ? Erase tex-preview-11.86-6.fc16.noarch ? Erase texinfo-tex-4.13a-15.fc15.x86_64 ? Erase texlive-2007-66.fc16.x86_64 ? Erase texlive-dvips-2007-66.fc16.x86_64 ? Erase texlive-latex-2007-66.fc16.x86_64 ? Erase texlive-texmf-2007-40.fc16.noarch ? Erase texlive-texmf-dvips-2007-40.fc16.noarch ? Erase texlive-texmf-fonts-2007-40.fc16.noarch ? Erase texlive-texmf-latex-2007-40.fc16.noarch ? Erase texlive-utils-2007-66.fc16.x86_64 ? Erase texmaker-1:3.2.2-1.fc16.x86_64 ? Erase texmf-RR-Inria-4.11-inria.0.noarch ? Erase xdvik-22.84.14-9.fc15.x86_64 ? Error: No package(s) available to install

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  • 24+ Coda Alternatives for Windows and Linux

    - by Matt
    Coda plays an important role in designing layout on Mac. There are numerous coda alternatives for windows and Linux too. It is not possible to describe each and everyone so some of the coda alternatives, which work on both windows and Linux platforms, are discussed below. EditPlus $35.00 Good thing about EditPlus is that it highlights URLs and email addresses, activating them when you ‘crtl + double-click’. It also has a built in browser for previewing HTML, and FTP and SFTP support. Also supports Macros and RegEx find and replace. UltraEdit $49.99 It is another good coda alternative for windows and Linux. It is the best suited editor for text, HTML and HEX. It also plays an advanced PHP, Perl, Java and JavaScript editor for programmers. It supports disk-based 64-bit or standard file handling on 32-bit Windows platforms or window 2000 and later versions. HippoEdit $39.95 HippoEDIT has the best autocomplete it gives pop a ‘tooltip’ above your cursor as you type, suggesting words you’ve already typed. It does syntax highlighting for over 2 dozen language. Sublime Text $59.00 Sublime Text awesome ‘zoomed out’ view of the file lets you focus on the area you want. It lets you open a local file when you right-click on its link, and there are a few automation features, so this would make a solid choice of a text editor. Textpad $24.70 TextPad is simple editor with nifty features such as column select, drag-and-drop text between files, and hyperlink support. It also supports large files. Aptana Free Aptana Studio is one of the best editors working on both windows and Linux. It is a complete web development setting that has a nice blend of powerful authoring tools with a collection of online hosting and collaboration services. It is quite helpful as it support for PHP, CSS, FTP, and more. SciTE Free It is a SCIntilla based Text Editor. It has gradually developed as a generally useful editor. It provides for building and running programs. It is best to be used for jobs with simple configurations. SciTE is currently available for Intel Win32 and Linux compatible operating systems with GTK+. It has been run on Windows XP and on Fedora 8 and Ubuntu 7.10 with GTK+ 2.12 E Text Editor $34.96 E Text Editor is a new text editor for Windows, which also works on Linux as well. It has powerful editing features and also some unique abilities. It makes text manipulation quite fast and easy, and makes user focus on his writing as it automatically does all the manual work. It can be extend it in any language. It supports Text Mate bundles, thus allows the user to tap into a huge and active community. Editra Free Editra is an upcoming editor, with some fantastic features such as user profiles, auto-completion, session saving, and syntax highlighing for 60+ languages. Plugins can extend the feature set, offering an integrated python console, FTP client, file browser, and calculator, among others. PSPad Free PSPad is a good Template for writing CSS, as it an internal web browser, and a macro recorder to the table. It also supports hex editing, and some degree of code compiling. JEdit Free It is a mature programmer’s text editor and has taken a good deal of time to be developed as it is today. It is better than many costlier development tools due to its features and simplicity of use. It has been released as free software with full source code, provided under the terms of the GPL 2.0. Which also adds to its attractiveness. NEdit Free It is a multi-purpose text editor for the X Window System, which also works on Linux. It combines a standard, easy to use, graphical user interface with the full functionality and stability required by users who edit text for long period a day. It also provides for thorough support for development in various languages. It also facilitates the use of text processors, and other tools at the same time. It can be used productively by anyone who needs to edit text. It is quite a user-friendly tool. Its salient features include syntax highlighting with built in pattern, auto indent, tab emulation, block indentation adjustment etc. As of version 5.1, NEdit may be freely distributed under the terms of the GNU General Public License. MadEdit Free Mad Edit is an Open-Source and Cross-Platform Text/Hex Editor. It is written in C++ and wxWidgets. MadEdit can edit files in Text/Column/Hex modes. It also supports many useful functions, such as Syntax Highlighting, Word Wrap, Encoding for UTF8/16/32,and others. It also supports word count, which makes it quite a useful text editor for both windows and Linux. It has been recently modified on 10/09/2010. KompoZer Free Kompozer is a complete web authoring system that has a combination of web file management and easy-to-use WYSIWYG web page editing. KompoZer has been designed to be completely and extensively easy to use. It is thus an ideal tool for non-technical computer users who want to create an attractive, professional-looking web site without knowing HTML or web coding. It is based on the NVU source code. Vim Free Vim or “Vi IMproved” is an advanced text editor. Its salient features are syntax highlighting, word completion and it also has a huge amount of contributed content. Vim has several “modes” on offer for editing, which adds to the efficiency in editing. Thus it becomes a non-user-friendly application but it is also strength for its users. The normal mode binds alphanumeric keys to task-oriented commands. The visual mode highlights text. More tools for search & replace, defining functions, etc. are offered through command line mode. Vim comes with complete help. NotePad ++ Free One of the the best free text editor for Windows out there; with support for simple things—like syntax highlighting and folding—all the way up to FTP, Notepad++ should tick most of the boxes Notepad2 Free Notepad2 is also based on the Scintilla editing engine, but it’s much simpler than Notepad++. It bills itself as being fast, light-weight, and Notepad-like. Crimson Editor Free Crimson Editor has the ability to edit remote files, using a built-in FTP client; there’s also a spell checker. TotalEdit Free TotalEdit allows file comparison, RegEx search and replace, and has multiple options for file backup / versioning. For cleanup, it offers (X)HTML and XML customizable formatting, and a spell checker. In-Type Free ConTEXT Free SourceEdit Free SourceEdit includes features such as clipboard history, syntax highlighting and autocompletion for a decent set of languages. A hex editor and FTP client. RJ TextED Free RJ TextED supports integration with TopStyle Lite. Provides HTML validation and formatting. It includes an FTP client, a file browser, and a code browser, as well as a character map and support for email. GEDIT Free It is one of the best coda alternatives for windows and Linux. It has syntax highlighting and is best suitable for programming. It has many attractive features such as full support for UTF-8, undo/redo, and clipboard support, search and replace, configurable syntax highlighting for various languages and many more supportive features. It is extensible with plug ins. Other important coda alternatives for windows and Linux are Redcar, Bluefish Editor, NVU, Ruby Mine, Slick Edit, Geany, Editra, txt2html and CSSED. There are many more. Its up to user to decide which one suits best to his requirements. Related posts:10 Useful Text Editor For Developer Applications to Install & Run Windows on Linux Open Source WYSIWYG Text Editors

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  • Using Regex, how can I remove certain characters from inside angle-brackets, leaving the characters

    - by Iain Fraser
    Edit: To be clear, please understand that I am not using Regex to parse the html, that's crazy talk! I'm simply wanting to clean up a messy string of html so it will parse Edit #2: I should also point out that the control character I'm using is a special unicode character - it's not something that would ever be used in a proper tag under any normal circumstances Suppose I have a string of html that contains a bunch of control characters and I want to remove the control characters from inside tags only, leaving the characters outside the tags alone. For example Here the control character is the numeral "1". Input The quick 1<strong>orange</strong> lemming <sp11a1n 1class1='jumpe111r'11>jumps over</span> 1the idle 1frog Desired Output The quick 1<strong>orange</strong> lemming <span class='jumper'>jumps over</span> 1the idle 1frog So far I can match tags which contain the control character but I can't remove them in one regex. I guess I could perform another regex on my matches, but I'd really like to know if there's a better way. My regex Bear in mind this one only matches tags which contain the control character. <(([^>])*?`([^>])*?)*?> Thanks very much for your time and consideration. Iain Fraser

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  • Subversion svn:externals - What's wrong here?

    - by Brandon Montgomery
    I first want to say I've read the Subversion manual. I've read this question. I've also read this question. Here's my dilemma. Let's say I have 3 repositories laid out like this: DataAccessObject/ branches/ tags/ trunk/ DataAccessObject/ DataAccessObjectTests/ PlanObject/ branches/ tags/ trunk/ PlanObject/ PlanObjectTests/ WinFormsPlanViewer/ branches/ tags/ trunk/ WinFormsPlanViewer/ The PlanObject and DataAccessObject repositories contain shared projects. They are used by the WinFormsPlanViewer, but also by several other projects in several other repositories. Bear with me here. I put an svn:externals definition on the WinFormsPlanViewer/trunk folder like this: https://server/svn/PlanObject/trunk Objects https://server/svn/DataAccessObject/trunk Objects And here's what I see after I do an svn update. WinFormsPlanViewer/ branches/ tags/ trunk/ WinFormsPlanViewer/ Objects/ DataAccessObject/ DataAccessObjectTests/ The PlanObject stuff doesn't even come down in the update! I don't know if this has anything to do with it, but there's an externals definition on the PlanObject/trunk folder also: https://server/svn/DataAccessObject/trunk Objects What's going on here? What am I doing wrong? Are there bad consequences of referencing the PlanObject and the DataAccessObject from the WinFormsPlanViewer using svn:externals when the PlanObject references the DataAccessObject using svn:externals also?

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  • Autocomplete Error Question - Ruby on Rails

    - by bgadoci
    I have built a very simple blog application using Ruby on Rails. New to both Ruby and Rails so excuse the stupid questions. I currently have two tables that relate to this question. I have a Post table and a Tag table. Basically I set it up such that Post has_many :tags and Tag belongs_to :post. I am using AJAX to process and display the tags in the show view of the post. I installed the auto_complete plugin and I am getting an error when I enter the letters in the text_field_with_auto_complete for tag creation. My suspicion is this is because the form is a remote_form_for or something I am doing wrong in the routes.rb. Here is the error and code: Error Processing PostsController#show (for 127.0.0.1 at 2010-04-13 23:25:46) [GET] Parameters: {"tag"=>{"tag_name"=>"f"}, "id"=>"auto_complete_for_tag_tag_name"} Post Load (0.1ms) SELECT * FROM "posts" WHERE ("posts"."id" = 0) ActiveRecord::RecordNotFound (Couldn't find Post with ID=auto_complete_for_tag_tag_name): app/controllers/posts_controller.rb:22:in `show' Rendered rescues/_trace (26.0ms) Rendered rescues/_request_and_response (0.2ms) Rendering rescues/layout (not_found) remote_form_for located in /views/posts/show.html.erb <% remote_form_for [@post, Tag.new] do |f| %> <p> <%= f.label :tag_name, "Tag" %><br/> <%= text_field_with_auto_complete :tag, :tag_name, {}, {:method => :get} %> </p> <p><%= f.submit "Add Comment" %></p> <% end %> tags_controller.rb (I'll spare you all the actions but added the following here) auto_complete_for :tag, :tag_name routes.rb map.resources :posts, :has_many => :comments map.resources :posts, :has_many => :tags map.resources :tags, :collection => {:auto_complete_for_tag_tag_name => :get }

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  • CSS style to create an HTML with an image on left and input text boxes on right that fills all space

    - by dafi
    I need to create an HTML page (a JqueryUI dialog but this isn't the problem) containing an image on left (size is fixed to 75x75) and on right some input text boxes, input boxes must resize to all remaining space. You can see an example at http://img683.imageshack.us/img683/5412/19483174.jpg The problem is that when I resize the dialog controls move under image as shown at http://img510.imageshack.us/img510/4817/44749696.jpg How can I resolve this problem in all browser and if possible using only CSS? Below I show my HTML code and the CSS I'm using HTML code <div id="dialog-form" title="Modify Post"> <form action=""> <fieldset> <img id="dialog-modify-thumb" src="http://dummyimage.com/75x75/000/fff" alt="" width="75" height="75"/> <div id="dialog-modify-controls"> <label for="dialog-modify-caption">Caption</label> <input type="text" name="dialog-modify-caption" id="dialog-modify-caption"/> <br/> <label for="dialog-modify-tags">Tags</label> <input type="text" name="dialog-modify-tags" id="dialog-modify-tags"/> <br/> <label for="dialog-modify-publish-date">Publish Date</label> <input type="text" name="dialog-modify-publish-date" id="dialog-modify-publish-date"/> </div> </fieldset> </form> </div> The CSS #dialog-modify-thumb { margin-right: 3px; border: 1px solid; display: block; float:left; } #dialog-form input[type='text'] { width: 100%; } #dialog-modify-controls { float: right; width:100%; }

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  • Getting Started with Ruby & Ruby on Rails

    - by JakeTheSnake
    Some background: I'm a jack-of-all traits, one of which is programming. I learned VB6 through Excel and PHP for creating websites and so far it's worked out just fine for me. I'm not CS major or even mathematically inclined - logic is what interests me. Current status: I'm willing to learn new and more powerful languages; my first foray into such a route is learning Ruby. I went to the main Ruby website and did the interactive intro. (by the way, I'm currently getting redirected to google.com when I try the link...it's happening to other websites as well...is my computer infected?) I liked what I learned and wanted to get started using Ruby to create websites. I downloaded InstantRails and installed it; everything so far has been fine - the program starts up just fine, and I can test some Ruby code in the console. However my troubles begin when I try and view a web page with Ruby code present. Lastly, my problem: As in PHP, I can browse to the .php file directly and through using PHP tags and some simple 'echo' statements I can be on my way in making dynamic web pages. However with the InstantRails app working, accessing a .rb or .rhtml page doesn't produce similar results. I made a simple text file named 'test.rb' and put basic HTML tags in there (html, head, body) and the Ruby tags <%= and % with some ruby code inside. The web page actually shows the tags and the code - as if it's all just plain HTML. I take it Ruby isn't parsing the page before it is displayed to the user, but this is where my lack of understanding of the Ruby environment stops me short. Where do I go from here?

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  • cakephp paginate multiple habtm

    - by izmanromli
    hi guys, i have multiple habtm like these : // User model var $hasMany = array('Post'); // Post model var $hasAndBelongsToMany = array('Category', 'Tag'); // Category model var $hasAndBelongsToMany = array('Post'); // Tag model var $hasAndBelongsToMany = array('Post'); I tried to fetch all post along with its user and tags (within a certain category), somehow if i fetch tags, the result was wrong. $this->paginate = array ( 'Post' => array ( 'limit' => 2, 'fields' => array( 'Post.title', 'Post.content', 'Post.slug', 'Post.created', 'Tag.name', 'User.username', 'User.created', 'User.post_count', 'User.avatar_file_name'), 'joins' => array ( array( 'table' => 'categories_posts', 'alias' => 'CategoriesPost', 'type' => 'inner', 'conditions'=> array('CategoriesPost.post_id = Post.id') ), // FETCH USER array( 'table' => 'users', 'alias' => 'User', 'type' => 'inner', 'conditions'=> array('Post.user_id = User.id') ), // FETCH TAGS array( 'table' => 'posts_tags', 'alias' => 'PostsTag', 'type' => 'inner', 'conditions'=> array('PostsTag.post_id = Post.id') ), array( 'table' => 'tags', 'alias' => 'Tag', 'type' => 'inner', 'conditions'=> array('Tag.id = PostsTag.tag_id') ), array( 'table' => 'categories', 'alias' => 'Category', 'type' => 'inner', 'conditions'=> array('Category.id = CategoriesPost.category_id', 'Category.slug' => $slug) ) ) ) ); $posts = $this->paginate(); could anyone gimme a solution since i'm a newbie? many thanks...

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  • How can I remove certain characters from inside angle-brackets, leaving the characters outside alone

    - by Iain Fraser
    Edit: To be clear, please understand that I am not using Regex to parse the html, that's crazy talk! I'm simply wanting to clean up a messy string of html so it will parse Edit #2: I should also point out that the control character I'm using is a special unicode character - it's not something that would ever be used in a proper tag under any normal circumstances Suppose I have a string of html that contains a bunch of control characters and I want to remove the control characters from inside tags only, leaving the characters outside the tags alone. For example Here the control character is the numeral "1". Input The quick 1<strong>orange</strong> lemming <sp11a1n 1class1='jumpe111r'11>jumps over</span> 1the idle 1frog Desired Output The quick 1<strong>orange</strong> lemming <span class='jumper'>jumps over</span> 1the idle 1frog So far I can match tags which contain the control character but I can't remove them in one regex. I guess I could perform another regex on my matches, but I'd really like to know if there's a better way. My regex Bear in mind this one only matches tags which contain the control character. <(([^>])*?`([^>])*?)*?> Thanks very much for your time and consideration. Iain Fraser

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  • How to add video into a webpage for mobile web browsers.

    - by payling
    Our company is making a mobile version of our website. We have several product videos we want to show on the mobile version. When I try to use <a href="video.wmv">video</a> I get sound playing but a black screen on my htc incredible android os phone. I'm thinking that the video is playing but in a different browser window. I need it to display all in one window without having to switch to a different window. I tried the html embed tags and get no video or sound at all, from what I've read these tags are not very realiable cross browser. I also just tried the html5 video tags below. I get an icon identifying that it's a video file but it doesn't play. <video src="video.wmv" controls="controls"> your browser does not support the video tag </video> Is there a special format the video file needs to be in? Should I be using the href or embed tags, what other options do I have? If it helps to know, I'm using the mobile doctype on my webpages. Thanks

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  • Updating join fields in an ORM command

    - by Jono
    I have a question about object relational updates on join fields. I am working on a project using codeigniter with datamapper dmz. But I think my problem is with general understanding of ORMs. So fell free to answer with any ORM you know. I have two tables, Goods and Tags. One good can have many tags. Everything is working, but I am looking for a way to merge tags. Meaning I decide I want to remove tag A and instead have everything that is tagged by it, now be tagged by tag B. I only have models for the goods and the tags. There is no separate model for the join relationship, as I believe these ORMs were designed to work. I know how to delete a tag. But I dont know how to reach into the join table to redirect the references since there is no model for the join table. I would rather use the ORM then issuing a raw SQL command.

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  • rails semi-complex STI with ancestry data model planning the routes and controllers

    - by ere
    I'm trying to figure out the best way to manage my controller(s) and models for a particular use case. I'm building a review system where a User may build a review of several distinct types with a Polymorphic Reviewable. Country (has_many reviews & cities) Subdivision/State (optional, sometimes it doesnt exist, also reviewable, has_many cities) City (has places & review) Burrow (optional, also reviewable ex: Brooklyn) Neighborhood (optional & reviewable, ex: williamsburg) Place (belongs to city) I'm also wondering about adding more complexity. I also want to include subdivisions occasionally... ie for the US, I might add Texas or for Germany, Baveria and have it be reviewable as well but not every country has regions and even those that do might never be reviewed. So it's not at all strict. I would like it to as simple and flexible as possible. It'd kinda be nice if the user could just land on one form and select either a city or a country, and then drill down using data from say Foursquare to find a particular place in a city and make a review. I'm really not sure which route I should take? For example, what happens if I have a Country, and a City... and then I decide to add a Burrow? Could I give places tags (ie Williamsburg, Brooklyn) belong_to NY City and the tags belong to NY? Tags are more flexible and optionally explain what areas they might be in, the tags belong to a city, but also have places and be reviewable? So I'm looking for suggestions for anyone who's done something related. Using Rails 3.2, and mongoid.

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