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• django blog - post- reply system display replies

  - by dana

  I have a mini blog app, and a reply system. I want to list all mini blog entries, and their replies, if there are any. i have in views.py def profile_view(request, id): u = UserProfile.objects.get(pk=id) paginator = New.objects.filter(created_by = request.user) replies = Reply.objects.filter(reply_to = paginator) return render_to_response('profile/publicProfile.html', { 'object_list': u, 'list':paginator, 'replies':replies }, context_instance=RequestContext(request)) and in the template: <h3>Recent Entries:</h3> {% for object in list %} <li>{{ object.post }} <br /> {% for object in replies %} {{ object.reply }} <br /> {% endfor %} mention : reply_to is a ForeignKey to New, and New is the name of the 'mini blog' table But it only shows all the replies for each blog entry, not the reply for every entry, if there is one thanks

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• django left join with null

  - by SledgehammerPL

  The model: class Product(models.Model): name = models.CharField(max_length = 128) def __unicode__(self): return self.name class Receipt(models.Model): name = models.CharField(max_length=128) components = models.ManyToManyField(Product, through='ReceiptComponent') class Admin: pass def __unicode__(self): return self.name class ReceiptComponent(models.Model): product = models.ForeignKey(Product) receipt = models.ForeignKey(Receipt) quantity = models.FloatField(max_length=9) unit = models.ForeignKey(Unit) def __unicode__(self): return unicode(self.quantity!=0 and self.quantity or '') + ' ' + unicode(self.unit) + ' ' + self.product.genitive The idea: there are a components on stock. I'd like to find out which recipes I can made with components which I have. It's not easy - but possible - I made a SQL view, which gets the solution. But I'm learning python and Django so I'd like to make it Django-style ;D The concept of solution: get the set of recipes which has at last one component: list_of_available_components = ReceiptComponent.objects.filter(product__in=list_of_available_products).distinct() list_of_related_receipts = Receipt.objects.filter(receiptcomponent__in = list_of_available_components).distinct() get recipes (from list_of_related_receipts) which has not at last one component list_of_incomplete_recipes = (SELECT * FROM drinkbook_receiptcomponent LEFT JOIN drinkstore_stock_products USING(product_id) WHERE drinkstore_stock_products.stock_id IS NULL AND receipt_id IN (SELECT receipt_id FROM drinkbook_receiptcomponent JOIN drinkstore_stock_products USING(product_id))) get recipes (from list_of_related_receipts) which are not in "list_of_incomplete_recipes"

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• Jasper Reports - Add one day to a Date Parameter

  - by Templar

  I'm creating a Jasper report that includes the following parameters: DATESTART (Date) DATEEND (Date) These parameters indicate a date range for a field called DATECREATED (Timestamp) which includes times. I would like the date range to be INCLUSIVE, that is, if I filter for "Jan 1, 2009" to "Jan 31, 2009", any DATECREATED value on Jan 31, 2009 (such as "Jan 31, 2009 15:00") will be included in the report. When I used Crystal Reports in the past, I used the DATEADD function to create a filter expression like the following: {DATECREATED} >= {DATESTART} and {DATECREATED} < DATEADD("d", 1, {DATEEND}) (I realize that this isn't syntactically correct, but you get the idea.) Is there any way to do something similar in Jasper Reports?

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• How do I get the position of a result in the list after an order_by?

  - by Bob Bob

  I'm trying to find an efficient way to find the rank of an object in the database related to it's score. My naive solution looks like this: rank = 0 for q in Model.objects.all().order_by('score'): if q.name == 'searching_for_this' return rank rank += 1 It should be possible to get the database to do the filtering, using order_by: Model.objects.all().order_by('score').filter(name='searching_for_this') But there doesn't seem to be a way to retrieve the index for the order_by step after the filter. Is there a better way to do this? (Using python/django and/or raw SQL.) My next thought is to pre-compute ranks on insert but that seems messy.

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• Is there a redmine plugin to create multiple issues at once?

  - by Jerph

  Redmine has a nice batch edit feature, but nothing equivalent for "batch create" (please correct me if I'm wrong!) FogBugz lets you quickly create multiple tickets with the same properties (type, status, assignment, etc.) via a ajax-ified text box at the bottom of any filtered view of tickets. Tickets created this way match the values of the filter (and the filter grouping value - there's a text-box at the bottom of each group). Toodledo has simpler option: it's "Add multiple tasks" feature is a textarea where each line is turned into an item. Is there a redmine plugin out there that adds functionality like either of the above?

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• Filtering custom fields on wordpress admin page

  - by Kyril

  I'm currently working on a wordpress 2.9.2 plugin (my first) that creates additional custom fields that will later be read from the template. The plugin adds an additional meta box to the "Edit Post" screen which is responsible for manipulating these values. My problem is that the custom fields generated by the plugin also show up in the "Custom Fields" box. Ideally I would like for the custom fields generated by the plugin to be managed separately from any other custom fields for that same post/page. Is there a way that I can filter fields specific to my plugin to prevent them from being displayed in the "Custom Fields" box? I have yet to locate any action or filter that will let me capture and manipulate those values before they are rendered on "Edit Post".

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• Evaluating Django Chained QuerySets Locally

  - by jnadro52

  Hello All: I am hoping someone can help me out with a quick question I have regarding chaining Django querysets. I am noticing a slow down because I am evaluating many data points in the database to create data trends. I was wondering if there was a way to have the chained filters evaluated locally instead of hitting the database. Here is a (crude) example: pastries = Bakery.objects.filter(productType='pastry') # <--- will obviously always hit DB, when evaluated cannoli = pastries.filter(specificType='cannoli') # <--- can this be evaluated locally instead of hitting the DB when evaluated, as long as pastries was evaluated? I have checked the docs and I do not see anything specifying this, so I guess it's not possible, but I wanted to check with the 'braintrust' first ;-). BTW - I know that I can do this myself by implementing some methods to loop through these datapoints and evaluate the criteria, but there are so many datapoints that my deadline does not permit me manually implementing this. Thanks in advance.

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• Getting an entry before and after a given entry in a Django Queryset

  - by Vernon

  I am creating a simple blog as part of a website and I am getting stuck on something that I am assuming is simple. If I call any blog post, say by it's title, from a queryset, how can I get the entry before and after the post in it's published order. I can iterate over the whole thing, get the position of the entry I have and use that to call the one before and the one after. But that is a long bit of code for something that I am sure I can do more simply. What I want would be something like this: next_post = Posts.object.filter(title=current_title).order_by("-published")[-1] Of course because of the filter, it is not going to work, but just to give you the idea of what I am looking for.

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• LINQ - Contains with anonymous type

  - by Marlos

  When using this code (simplified for asking): var rows1 = (from t1 in db.TABLE1 where (t1.COLUMN_A == 1) select new { t1.COLUMN_B, t1.COLUMN_C }); var rows2 = (from t2 in db.TABLE2 where (rows1.Contains(t2.COLUMN_A)) select t2; I got the following error: The type arguments for method 'System.Linq.Enumerable.Contains(System.Collections.Generic.IEnumerable, TSource)' cannot be inferred from the usage. Try specifying the type arguments explicitly. I need to filter the first result by COLUMN_B, but I don't know how. Is there a way to filter it?

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• Huge file in Clojure and Java heap space error

  - by trzewiczek

  I posted before on a huge XML file - it's a 287GB XML with Wikipedia dump I want ot put into CSV file (revisions authors and timestamps). I managed to do that till some point. Before I got the StackOverflow Error, but now after solving the first problem I get: java.lang.OutOfMemoryError: Java heap space error. My code (partly taken from Justin Kramer answer) looks like that: (defn process-pages [page] (let [title (article-title page) revisions (filter #(= :revision (:tag %)) (:content page))] (for [revision revisions] (let [user (revision-user revision) time (revision-timestamp revision)] (spit "files/data.csv" (str "\"" time "\";\"" user "\";\"" title "\"\n" ) :append true))))) (defn open-file [file-name] (let [rdr (BufferedReader. (FileReader. file-name))] (->> (:content (data.xml/parse rdr :coalescing false)) (filter #(= :page (:tag %))) (map process-pages)))) I don't show article-title, revision-user and revision-title functions, because they just simply take data from a specific place in the page or revision hash. Anyone could help me with this - I'm really new in Clojure and don't get the problem.

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• jquery tablesorter problem in FF only - header row disappears after show-hide of rows

  - by dac

  When the page loads, all the records show. Sorting works great until show-hide is used to filter the rows so only some show. Then the header row--with the arrows for sorting--DISAPPEARS. The problem is only in Firefox. It works great in IE7 and IE8. I'm using jQuery 1.4.2 from google. Code for show-hide $(document).ready(function() { // show all the rows $("#org_status tr").show(); //find selected filter $("#filter_status a").click(function(evt) { evt.preventDefault(); $("#org_status tr").hide(); var id = $(this).attr('id'); $("." + id).show(); }); }); Here is the HTML: <!-- show-hide "buttons" --> <p id='filter_status'>Filter by status: <a href='#' id='All'>All</a> <a href='#' id='Active'>Active</a> <a href='#' id='Inactive'>Inactive</a> <a href='#' id='Pending'>Pending</a> </p> <!-- table to sort -> <table id='org_status' class='info_table tablesorter'> <thead> <tr> <th class='org-name-col'>Name</th> <th class='org-status-col'>Status</th> </tr> </thead> <tbody> <tr class='All Active'> <td><a href='admin/org_edit.php?org=29'>Foo Net</a></td> <td>Active</td>"; </tr> <tr class='All Inactive'> <td><a href='admin/org_edit.php?org=22'>Bar</a></td> <td>Active</td>"; </tr> <tr class='All Pending'> <td><a href='admin/org_edit.php?org=11'> Bar Foo Very Long Org Name Goes Here</a></td> <td>Active</td>"; </tr> </tbody> </table>

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• NHibernate filters don't work with Session.Get

  - by Khash

  I'm trying to implement a Soft-deletable repository. Usually this can be easily done with a Delete Event listener. To filter out the deleted entities, I can add a Where attribute to my class mapping. However, I also need to implement two more methods in the repository for this entity: Restore and Purge. Restore will "undelete" entities and Purge will hard-delete them. This means I can't use Where attribute (since it block out soft-deleted entities to any access) I tried using filters instead. I can create a filter and enable or disable it within session to achieve the same result. But the problem is filters don't have any effect on Session.Get method (they only affect ICriteria based access). Any ideas as to how solve this problem? Thanks

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• What's happened to my directory on GitHub?

  - by Greg K

  I added a new subdir within my git respository: git add feeds Then commited this and pushed it up to GitHub but it seems as though I've commited a symlink / shortcut but not the actual directory and files within. See here: http://github.com/G4EGK/RSS-Reader Any idea what 'feeds' is? I'd like to remove that and correctly add my files. I tried the following but git status said nothing had changed: git rm feeds git add feeds/\*.php To remove feeds do I run the following? git filter-branch --tree-filter 'rm -f feeds' HEAD

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• How to create a tree with filtered nodes from drupal taxonomy.

  - by sprugman

  I'm trying to create a menu tree in drupal like this: - term 1 node 1 node 2 - sub-term 1 node 3 node 4 + sub-term 2 - sub-term 3 node 5 - sub-sub-term 1 node 6 + term 2 etc. (Sub-term 2 and term 2 are toggled closed.) Some requirements: Output this using something like JQuery Menu to get an interactive tree Filter the nodes by cck type Filter the nodes by cck field Only have terms with nodes or other active terms in them show up Mark the current node as such, and automatically open the tree to that point Do I have to write this myself, or are there a combination of modules that can do it? I've got Advanced Taxonomy Blocks, which is pretty close, but it doesn't list the nodes.

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• Git history cleanup doesn't seem to have an effect

  - by eaigner

  Hi, i ran the following 2 commands to clean up .pbxuser and .mode1v3 files from my git repository, but afterwards when i e.g. fire up gitx i can still see them in the history. git filter-branch --tree-filter "git rm -rf --cached --ignore-unmatch *.pbxuser" HEAD rm -rf .git/refs/original/ && git reflog expire --all && git gc --aggressive --prune What did i misunderstand here? The commands seem to do the job but why is gitx still viewing the diffs in its history? Regards, Erik

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• Searching for Nodes with Specific Text using the Prototype Javascript Framework

  - by Alan Storm

  Does the Prototype Javascript library have a selector that's equivalent to jQuery's :contains()? If not, what would what be "The Prototype Way" to selector/filter-down a list of elements that contains a particular string. For example, using the following $$('#some_div dd a') I may get back an array of 50 or so links. I only want the links that contain the work 'home'. In jQuery I'd do this jQuery('#some_div dd a:contains('home')'); Is it possible to do something similar using Prototype? If not, is there an elegant way to filter out the array of 50 elements that gets returned.

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• Django models | get specific columns

  - by MMRUser

  Is there a way to filter and get only specific columns ex-: get all entries within the column first_name.

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• CSS: semi-transparent background, but not text

  - by Stijn Sanders

  Is there a way in CSS to make the background of an element semi-transparent, but still have the text of the element non-transparent? (Without separating the text and background in two elements positioned over eachother.) I've tried <p style="position:absolute;background-color:green;filter:alpha(opacity=60);opacity:.6;"><span style="color:white;filter:alpha(opacity=100);opacity:1;">Hello world</span></p> But it looks like child elements are subjected to the opacity of their parent(s), so 'opacity:1' is still drawn as 'opacity:.6' from the parent.

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• Phonegap/Cordova orientation change Android 4

  - by user1477576

  I have a problem changing the orientation of the device (Android 4). In other versions it works fine. Versión of Cordova: cordova-1.8.0.js / cordova-1.8.1.js In Android 4 the app crash or show: "A network error occurred. (file:///android_asset/www/index.html)" I searched a lot about this and no answer solves the problem. In most cases users suggest adding: android:configChanges="orientation|keyboardHidden|screenSize" In other cases: super.setIntegerProperty("loadUrlTimeoutValue",60000); That not work for me :( My manifest activity: <activity android:name=".AppNameActivity" android:label="@string/app_name" android:configChanges="orientation|keyboardHidden|screenSize"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> The application should run on Android 2.2 to 4. Thank you very much for the help.

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• How to have combobox take data from a child datasource

  - by SkollSunman

  I am trying to have a datagridview with two comboboxes, a company name and a supplier account number. When a company name is selected the relevant supplier account numbers (a company can have more than one supplier account) should be filtered for that company in that row. I have a datagridview with two bindingsources: supplierBindingSource and companyBindingSource and the Supplier account combobox uses the supplierBindingSource for its datasource and company name uses the companyBindingSource for its datasource. A company can have a supplier and/or customer account so the supplierBindingSource is a child or a companyBindingSource. The supplier accounts correctly filter based on the selected company name however when another company name is selected in another row all the supplier accounts are filtered for that company. Saving still works properly, regardless of what the combo box show but currently it is very confusing for a user to select a supplier account when the labels don't show what is being saved. Is it possible to have only the selected row to filter based on the company name rather than every row? EDIT: Thanks to the answer from http://social.msdn.microsoft.com/Forums/windows/en-US/b23d9e8f-a00a-49ba-adf5-52d87c1b2890/parent-child-comboboxes-in-datagridview I have been able to make some progress. The supplier account gets filtered when the drop down box is selected and restored to the full list when selection is finished. However now I am trying to have the company selected (and not filtered) when a supplier account is selected. The issue I've run into now is that I can get the companyID (which is the valuemember for the company combobox) but I cannot select the appropriate company without just setting the value of the combobox to the companyID which displays the companyID instead of the company name. Is there a way to select the company using the companyID while preserving the displaymember/valuemember dynamic? EDIT 2: The wall of text may be off putting. Some code to help elucidate my issue DataGridViewComboBoxCell dgcb2 = (DataGridViewComboBoxCell)sdgvSalesOrderLines[cmbSupplierName.Index, e.RowIndex]; var companyID = col.FirstOrDefault(c => c.AccountID == Convert.ToInt32(dgcb.Value)).CompanyID; dgcb2.Value = companyID.toString(); The second line gets the companyID and that works just fine, the final line sets the combobox to display the companyID whereas I would like it to set the valuemember value to companyID so that it would display the corresponding company name. I can set the second line to give me the company name instead but if the value of the combobox isn't the companyID then the supplier account cannot filter based on the company selected.

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• JQgrid - escape ':' in searchoptions (value part)

  - by bsreekanth

  Hello, How to set the values for filter is explained here link text. I have two requirements. 1. the default value needs to be empty. I expect, if defaultValue is not set, the filter is empty, but that is not happening in my case. The first value is 2. How to escape ':' in my value. The character ':' and ';' are used to seperate the index and values. But, in my value string it contains a ':' (eg: searchoptions:{value:"1:'Level: 1'"} , where Level: 1 is my first value). How to escape : in the value part. I tried \ , / etc. thanks.

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• search map based on key wildcard

  - by Hugo Koopmans

  I have the following map of maps: <map:map xmlns:map="http://marklogic.com/xdmp/map" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <map:entry key="101201"> <map:value> "content" </map:value> </map:entry> ... more maps ... Now I would like to search/filter the map based on the key using a wildcard. Actually I want to filter based on the first 4 characters of the key="101201" so key="1012**". Question: Give me all maps that have a key that is matching '1012*' ... Can that be done efficiently? tx for your time hugo

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• ACTION_MY_PACKAGE_REPLACED not received

  - by Ton

  I am using ACTION_MY_PACKAGE_REPLACED to receive when my app is updated or resinstalled. My problem is that the event is never triggered (I tried Eclipse and real device). This is what I do: Manifest: <receiver android:name=".MyEventReceiver" > <intent-filter android:priority="1000" > <action android:name="android.intent.action.ACTION_MY_PACKAGE_REPLACED" /> </intent-filter> </receiver> Code: public class MyEventReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { if ("android.intent.action.ACTION_MY_PACKAGE_REPLACED".equals(intent.getAction())) { //Restart services } } } This code is simple, in real one I used other events like BOOT_COMPLETED and others, and they work but ACTION_MY_PACKAGE_REPLACED. Thanks.

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• Union on ValuesQuerySet in django

  - by Wuxab

  I've been searching for a way to take the union of querysets in django. From what I read you can use query1 | query2 to take the union... This doesn't seem to work when using values() though. I'd skip using values until after taking the union but I need to use annotate to take the sum of a field and filter on it and since there's no way to do "group by" I have to use values(). The other suggestions I read were to use Q objects but I can't think of a way that would work. Do I pretty much need to just use straight SQL or is there a django way of doing this? What I want is: q1 = mymodel.objects.filter(date__lt = '2010-06-11').values('field1','field2').annotate(volsum=Sum('volume')).exclude(volsum=0) q2 = mymodel.objects.values('field1','field2').annotate(volsum=Sum('volume')).exclude(volsum=0) query = q1|q2 But this doesn't work and as far as I know I need the "values" part because there's no other way for Sum to know how to act since it's a 15 column table.

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• [Cocoa] Temporarily disabled NSArrayController filterPredicate, or consult ManagedObjectContext?

  - by ndg

  I have an NSArrayController which is bound to a class in my Managed Object Context. During runtime the NSArrayController can have a number of different filter predicates applied. At certain intervals, I want to iterate through my NSArrayController's contents regardless of the filter predicate applied to it. To do this, I set the filterPredicate to nil and then reinstate it after having iterated through my array. This seems to work, but I'm wondering if it's best practice? Should I instead be polling my Managed Object Context manually? NSPredicate *predicate = nil; predicate = [myArrayController filterPredicate]; [myArrayController setFilterPredicate:nil]; for(MyManagedObject *object in [myArrayController arrangedObjects]) { // ... } [myArrayController setFilterPredicate:predicate];

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