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  • Sort data using DataView

    - by Kristina Fiedalan
    I have a DataGridView with column Remarks (Passed, Failed). For example, I want to show all the records Failed in the column Remarks using DataView, how do I do that? Thank you. Here's the code I'm working on: ds.Tables["Grades"].PrimaryKey = new DataColumn[] { ds.Tables["Grades"].Columns["StudentID"] }; DataRow dRow = ds.Tables["Students"].Rows.Find(txtSearch.Text); DataView dataView = new DataView(dt); dataView.RowFilter = "Remarks = " + txtSearch.Text; dgvReport.DataSource = dataView;

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  • Can we use spring FTL based form validations with any controller other than SimpleFormController

    - by Adhir Aima
    Hi, Because of some design specification we have to extend all controllers in spring MVC from a class that extends AbstractCommandController. I am trying to include the spring FTL based form validations in my FTL file, but it gives me an error like Method public org.springframework.web.servlet.support.BindStatus org.springframework.web.servlet.support.RequestContext.getBindStatus(java.lang.String) throws java.lang.IllegalStateException threw an exception when invoked on org.springframework.web.servlet.support.RequestContext@b05cd7 with arguments of types [java.lang.String,] The problematic instruction: == assignment: status=springMacroRequestContext.getBindStatus(path) [on line 120, column 9 in spring.ftl] in user-directive spring.bind [on line 47, column 33 in myProfile.ftl] Java backtrace for programmers: freemarker.template.TemplateModelException: Method public org.springframework.web.servlet.support.BindStatus org.springframework.web.servlet.support.RequestContext.getBindStatus(java.lang.String) throws java.lang.IllegalStateException threw an exception when invoked on org.springframework.web.servlet.support.RequestContext@b05cd7 with arguments of types [java.lang.String,] I have put the command name properly in the controller class and in the controller class, neither the specified name nor the default "command" works. Some help please. And would be much appreciated if it comes with an example. Thanks in advance, Adhir Aima

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  • Android - making a layout like Entourage/Outlook calendar

    - by teepusink
    Hi, I'm trying to build a layout / view like the Entourage/Outlook calendar view, where when I schedule a time block, a new view will popup overlaying the time block. Something like this one except it's daily and not monthly like in the image http://images.appleinsider.com/office-2008-entourage-10.png What is the best way to implement that? Right now I'm using TableLayout to create the time on the 1st column and supposedly overlay to schedule made on the 2nd column. However, things got very messy especially when the minutes go to 15 minutes and there are overlapping schdule. Wonder if using other layout might work better? Thanks, Tee

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  • WPF RichTextBox with no width set

    - by Mick
    I have the following XAML code: <Window x:Class="RichText_Wrapping.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1"> <Grid> <RichTextBox Height="100" Margin="2" Name="richTextBox1"> <FlowDocument> <Paragraph> This is a RichTextBox - if you don't specify a width, the text appears in a single column </Paragraph> </FlowDocument> </RichTextBox> </Grid> ... If you create this window in XAML, you can see that when you don't specify a width for the window, it wraps the text in a single column, one letter at a time. Is there something I'm missing? If it's a known deficiency in the control, is there any workaround? Thanks, Michael

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  • PySide / PyQt QStyledItemDelegate list in table

    - by danodonovan
    Dear All, I'm trying to create a table of lists in Python with Qt (PySide/PyQt - matters not) and my lists are squashed into the table cells. Is there a way to get the list delegates to 'pop out' of their cells? I've attached a simple code snippet - replace 'PySide' with 'PyQt4' depending on your preference from PySide import QtCore, QtGui class ListDelegate(QtGui.QStyledItemDelegate): def createEditor(self, parent, option, index): editor = QtGui.QListWidget(parent) for i in range( 12 ): editor.addItem('list item %d' % i) return editor if __name__ == '__main__': import sys app = QtGui.QApplication(sys.argv) model = QtGui.QStandardItemModel(2, 2) tableView = QtGui.QTableView() delegate = ListDelegate() tableView.setItemDelegate(delegate) tableView.setModel(model) for row in range(2): for column in range(2): item = QtGui.QStandardItem( 'None' ) model.setItem(row, column, item) tableView.setWindowTitle('example') tableView.show() sys.exit(app.exec_()) If you hadn't guessed I'm pretty new to this Qt lark Thanks in advance, Dan

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  • Entity Framework mant to many insert

    - by Jacob
    I've been playing around with Entity Framework v2 and added some code to insert new entity with many to many relationship , lets say this entity is called meeting. I add hours to meeting : meeting.Hours.Add(hour); and I get different errors on different occasions On Update : Cannot insert the value NULL into column 'Meetings_Id', table 'Plan.dbo.MeetingHour'; column does not allow nulls. INSERT fails. The statement has been terminated. On Inset : An item with the same key has already been added. But the tricky party is that if I add this manually trough SQL Server Management Studio , I can update the entity with the same value , clearing it first (meeting.Hour.Clear()) Can't see what could be the problem , maybe entity model isn't mapped correctly ?

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  • org.hibernate.TransientObjectException during Criteria.list()

    - by rancidfishbreath
    I have seen posts all over the internet that talk about how to fix the TransientObjectExceptions during save/update/delete but I am having this problem when calling list on my Criteria. I have two objects A and B. A has a field named b which is of type B. In my mapping b is mapped as a many-to-one. This all runs in a larger persistence framework (the framework is kind of like Core Data) and so I don't use any cascades in my hibernate mappings since cascades are handled at a higher level. This is the interesting code surrounding my criteria: A a = new A(); B b = new B(); a.setB(b); session.save("B", b); // Actually handled by the higher level session.save("A", a); // framework, this is just for clarity // transaction committed and session closed ... // new session opened Criteria criteria = session.createCriteria(A.class); criteria.add(Restrictions.eq("b", b)); List<?> objects = criteria.list(); Basically I am looking for all objects of type A such that A.b equals a particular instance of b (I actually tried restructuring a query so that I was passing in the id of b just to make sure that b wasn't causing me problems). Here is the stack trace that occurs when I call criteria.list(): org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: B at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:244) at org.hibernate.type.EntityType.getIdentifier(EntityType.java:449) at org.hibernate.type.ManyToOneType.nullSafeSet(ManyToOneType.java:141) at org.hibernate.loader.Loader.bindPositionalParameters(Loader.java:1769) at org.hibernate.loader.Loader.bindParameterValues(Loader.java:1740) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1612) at org.hibernate.loader.Loader.doQuery(Loader.java:717) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:270) at org.hibernate.loader.Loader.doList(Loader.java:2294) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2172) at org.hibernate.loader.Loader.list(Loader.java:2167) at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:119) at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1706) at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347) Here is my mapping: <class entity-name="A" lazy="false"> <tuplizer entity-mode="dynamic-map" class="MyTuplizer" /> <id type="long" column="id"> <generator class="native" /> </id> <many-to-one name="b" entity-name="B" column="b_id" lazy="false" /> </class> <class entity-name="B" lazy="false"> <tuplizer entity-mode="dynamic-map" class="MyTuplizer" /> <id type="long" column="id"> <generator class="native" /> </id> </class> Can anyone help me figure out why I would be getting a TransientObjectException during a fetch? Preferably I would like to find a solution that does not rely on cascades since they tend to mask problems that occur in the higher level framework.

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  • How will a search engine read data from my Ajax-based webapp?

    - by Jack W-H
    OK, not entirely related to programming, so I'm sorry. But I'd like to know about this: So I've got a webapp. There's one column where a list of results are fetched from the database. When you click one, jQuery fetches the information associated with that result and puts it into the second column - all without a refresh and using Ajax. Is it possible for Google to still read it etc.? I understand it can follow links... but presumably not Javascript actions etc.? If this is the case, what do other Ajax-heavy websites do about search engine optimisation? Jack

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  • e-shop implementation: Status for Orders?

    - by Guillermo
    Hello Again my fellow programmers out there, I'm designing and programming from scratch a online shop. It has a Module to manage "Orders" that are recieved via the frontend. I'm needing to have a status to know whats happening with an order in s certain moment, let's say the statuses are: Pending Payment Confirmed - Awaiting shipment Shipped Cancelled My question is a simple one, but is very important to decide on the store design, and is: What would you do so store this status: Would you create a column for it in the Orders table or would you just "calculate" the status of each order depending if payments has been recieved or shipments has been made for every order? (except I suppose for a is_cancelled column) What would be the best approach to model this kind of problem? PD: I even wish in the future to have these statuses configurable buy other clientes using the same software..

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  • How to compare sqlite TIMESTAMP values

    - by Roel
    I have an Sqlite database in which I want to select rows of which the value in a TIMESTAMP column is before a certain date. I would think this to be simple but I can't get it done. I have tried this: SELECT * FROM logged_event WHERE logged_event.CREATED_AT < '2010-05-28 16:20:55' and various variations on it, like with the date functions. I've read http://sqlite.org/lang_datefunc.html and http://www.sqlite.org/datatypes.html and I would expect that the column would be a numeric type, and that the comparison would be done on the unix timestamp value. Apparantly not. Anyone who can help? If it matters, I'm trying this out in Sqlite Expert Personal.

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  • Best way to sort MySql results based on two columns and show results using pagination?

    - by understack
    I want to sort results set first based on one column and then based on second column. I know how to do it on server side. And then I want to show these results with pagination feature. Question: would it be better to do it on client side via ajax in jQuery? I'm using Zend Framework. Would Zend_Paginator module be useful in this scenario? Basically I want to evaluate all the possible ways? Which one would be best and/or simplest option given I'm using jQuery and Zend Framework?

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  • How to populate List<string> with Datarow values from single columns...

    - by James
    Hi, I'm still learning (baby steps). Messing about with a function and hoping to find a tidier way to deal with my datatables. For the more commonly used tables throughout the life of the program, I'll dump them to datatables and query those instead. What I'm hoping to do is query the datatables for say column x = "this", and convert the values of column "y" directly to a List to return to the caller: private List<string> LookupColumnY(string hex) { List<string> stringlist = new List<string>(); DataRow[] rows = tblDataTable.Select("Columnx = '" + hex + "'", "Columny ASC"); foreach (DataRow row in rows) { stringlist.Add(row["Columny"].ToString()); } return stringlist; } Anyone know a slightly simpler method? I guess this is easy enough, but I'm wondering if I do enough of these if iterating via foreach loop won't be a performance hit. TIA!

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  • GWT PagingScrollTable ( set a style on a particular cell of the header table )

    - by Mario
    I have a column Definition for each colume that extends AbstractColumnDefinition these columns are put in a DefaultTableDefinition PART OF a PagingScrollTable example: NAME | SIZE | RES | DELETE | this style (AT THE END OF THE PAGE ) is added to the column names if you notice all of them are with a cursor pointer , meaning a hand shows up when i hover above each one. I want to remove the cursor for some cells in the header like delete. HOW DO YOU set/add/remove a style on a particular cell of the header table of a PagingScrollTable? THANK YOU .gwt-ScrollTable .headerTable td { border-left: 1px solid #CCCCCC; border-right: 1px solid #CCCCCC; border-bottom: 1px solid black; vertical-align: bottom; cursor: pointer; }

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  • Rails: Cannot add :precision or :scale options with change_column in a migration?

    - by Josh Pinter
    This seems to have been asked before: http://stackoverflow.com/questions/1402547/rails-decimal-precision-and-scale But when running a change_column migration for :precision or :scale they don't actually affect the schema or database, but db:migrate runs without errors. My migration file looks like this: class ChangePrecisionAndScaleOfPaybackPeriodInTags < ActiveRecord::Migration def self.up change_column :tags, :payback_period, :decimal, { :scale => 3, :precision => 10 } end def self.down change_column :tags, :payback_period, :decimal end end But my schema (and the data) remains as: t.decimal "rate" # previous column t.decimal "payback_period" t.string "component_type" # next column Anybody else have this issue? Thanks, Josh

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  • Loading a set of images with primefaces

    - by RhigoHR
    Hi people! I have the next code to load a set of images whose streams are in a datamodel called names. My problem is when I declare the var inside the p:datatable tag seems like has nothing. Any idea? thx! <p:dataTable value="#{controlador.names}" var="nombre" rendered="true"> <p:column rendered="true"> <h:outputText value="#{nombre.stream}"/> <p:graphicImage value="#{nombre.stream}"/> </p:column> </p:dataTable>

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  • Core Data Image Won't Load Into NSTableView Image Cell

    - by jcady
    In my code I am storing an image into my Core Data model (works fine). If I set up my view to have an NSImageView and bind its Data to Controller Key: selection and modelKeyPath: myImagePath, it works. It will show each image for the selected row. I then create a new column in my NSTableView and drag an image cell onto the column. However, I cannot get my Core Data bindings to have the image show up in the cell. I have tried binding both value and data, but no luck. Since I am sure the image is stored properly, what am I doing wrong in my binding to prevent the image from showing up in the table cell? Thanks so much. (My background: new Cocoa developer who has recently gone through the entire Hillegass book.)

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  • Why isn't "String or Binary data would be truncated" a more descriptive error?

    - by rwmnau
    To start: I understand what this error means - I'm not attempting to resolve an instance of it. This error is notoriously difficult to troubleshoot, because if you get it inserting a million rows into a table 100 columns wide, there's virtually no way to determine what column of what row is causing the error - you have to modify your process to insert one row at a time, and then see which one fails. That's a pain, to put it mildly. Is there any reason that the error doesn't look more like this? String or Binary data would be truncated Error inserting value "Some 18 char value" into SomeTable.SomeColumn VARCHAR(10) That would make it a lot easier to find and correct the value, if not the table structure itself. If seeing the table data is a security concern, then maybe something generic, like giving the length of the attempted value and the name of the failing column?

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  • Are these tables respect the 3NF Database Normalization?

    - by penas
    AUTHOR table Author_ID, PK First_Name Last_Name TITLES table TITLE_ID, PK NAME Author_ID, FK DOMAIN table DOMAIN_ID, PK NAME TITLE_ID, FK READERS table READER_ID, PK First_Name Last_Name ADDRESS CITY_ID, FK PHONE CITY table CITY_ID, PK NAME BORROWING table BORROWING_ID,pk READER_ID, fk TITLE_ID, fk DATE HISTORY table READER_ID TITLE_ID DATE_OF_BORROWING DATE_OF_RETURNING Are these tables respect the 3NF Database Normalization? What if 2 authors work together for the same title? The column Addresss should have it's own table? When a reader borrows a book, I make an entry in BORROWING table. After he returns the book, I delete that entry and I make another one entry in HISTORY table. Is this a good idea? Do I brake any rule? Should I have instead one single BORROWING table with a DATE_OF_RETURNING column?

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  • Doctrine Mssql uniqueidentifier isn't cast as char or nvarchar when retrieved from the database.

    - by Tres
    When I retrieve a record from the database which has a column of type "uniqueidentifier", Doctrine fills it with "null" rather than the unique id from the database. Some research and testing has brought this down to a PDO/dblib driver issue. When directly querying via PDO, null is returned in place of the unique id. For reference, http://trac.doctrine-project.org/ticket/1096, has a bit on this, however, it was updated 11 months ago with no comment for resolution. A way around this, as mentioned at http://bugs.php.net/bug.php?id=24752&edit=1, is to cast the column as a char. However, it doesn't seem Doctrine exposes the native field type outside of generating models which makes it a bit hard to detect uniqueidentifier types and cast them internally when building the sql query. Has anyone found a workaround for this?

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  • Join collection of objects into comma-separated string

    - by Helen Toomik
    In many places in our code we have collections of objects, from which we need to create a comma-separated list. The type of collection varies: it may be a DataTable from which we need a certain column, or a List<Customer>, etc. Now we loop through the collection and use string concatenation, for example: string text = ""; string separator = ""; foreach (DataRow row in table.Rows) { text += separator + row["title"]; separator = ", "; } Is there a better pattern for this? Ideally I would like an approach we could reuse by just sending in a function to get the right field/property/column from each object.

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  • print matrix in dialog box

    - by Edan
    Hello, I'm having a little difficulty to print a matrix array on dialog box. The matrix is integer and as far as i understood i need to change it into string? anyway, here's the code: public void print_Matrix(int row, int column) { for (int i = 0; i <= row; i++) { for (int j = 0; j <= column; j++) { JOptionPane.showMessageDialog(null, matrix_Of_Life); } } what I need to do in order to print array into dialog box? thanks.

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  • Plz Help! How to maintain status of gridview checkbox

    - by Royson
    Hi, On my form on left side i have tree-view with check-boxes and on right side grid-view with check-box column. Treeview shows all folders. if user clicked on treenode their files all displayed in gridview. If user checked some files and selects another node and return back it should display checked files as it is. How do i maintain grid-view checked-box column status..? One more query If i checked specific node it should checked all rows of a gridview.

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  • Python read multiline JSON

    - by Paul W
    I have been trying to use JSON to store settings for a program. I can't seem to get Python 2.6 's JSON Decoder to decode multi-line JSON strings... Here is example input: .settings file: """ {\ 'user':'username',\ 'password':'passwd',\ }\ """ I have tried a couple other syntaxes for this file, which I will specify below (with the traceback they cause). My python code for reading the file in is import json settings_text = open(".settings", "r").read() settings = json.loads(settings_text) The Traceback for this is: Traceback (most recent call last): File "json_test.py", line 4, in <module> print json.loads(text) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/json/__init__.py", line 307, in loads return _default_decoder.decode(s) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/json/decoder.py", line 322, in decode raise ValueError(errmsg("Extra data", s, end, len(s))) ValueError: Extra data: line 1 column 2 - line 7 column 1 (char 2 - 41) I assume the "Extra data" is the triple-quote. Here are the other syntaxes I have tried for the .settings file, with their respective Tracebacks: "{\ 'user':'username',\ 'pass':'passwd'\ }" Traceback (most recent call last): File "json_test.py", line 4, in <module> print json.loads(text) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/json/__init__.py", line 307, in loads return _default_decoder.decode(s) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/json/decoder.py", line 319, in decode obj, end = self.raw_decode(s, idx=_w(s, 0).end()) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/json/decoder.py", line 336, in raw_decode obj, end = self._scanner.iterscan(s, **kw).next() File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/json/scanner.py", line 55, in iterscan rval, next_pos = action(m, context) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/json/decoder.py", line 155, in JSONString return scanstring(match.string, match.end(), encoding, strict) ValueError: Invalid \escape: line 1 column 2 (char 2) '{\ "user":"username",\ "pass":"passwd",\ }' Traceback (most recent call last): File "json_test.py", line 4, in <module> print json.loads(text) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/json/__init__.py", line 307, in loads return _default_decoder.decode(s) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/json/decoder.py", line 319, in decode obj, end = self.raw_decode(s, idx=_w(s, 0).end()) File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/json/decoder.py", line 338, in raw_decode raise ValueError("No JSON object could be decoded") ValueError: No JSON object could be decoded If I put the settings all on one line, it decodes fine.

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  • Custom Display Form with Custom Workflow button

    - by Ifi
    I have created a new custom list form that will show 4 fields on the page from a Custom List called "Shipment". I have added Form Action button that I would like to run a custom action that is set inside of a Workflow. Currently, the form displays the fields for "Manifest Number", "Pickup Location", "Delivery Location", & "Scheduled Pickup Time". When the user clicks the Form Action button, what I want the Workflow to do is go to the ID field of the displayed content in the Form and change the value of the "Picked Up" column from No to Yes. The problem I am having is passing the ID of the displayed information from the Form to the Workflow as a variable. I can get the "Picked Up" column to update if I specify the value in the "Update List Item" window under the "Find the List Item" section, but I cannot figure out how to do this dynamically from the Form

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