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• Adding a control in Datagridview

  - by sameer

  How to add a control in DataGridView? Using Button event. For example i want to create a new a row and column in DataGridView, this i want to happen through button control. How can i do it? I am using C#.net and MS-Access.

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• MySQL - generate numbers for a group of results

  - by FreeIX

  I need a query to return this result: +---------+-----+-------+ | ref_nid | nid | delta | +---------+-----+-------+ | AA | 97 | 1 | | BB | 97 | 2 | | CC | 97 | 3 | | DD | 98 | 1 | | EE | 98 | 2 | | FF | 98 | 3 | +---------+-----+-------+ However, I do not have the delta column. I need to generate it for each nid group. In other words, I need an auto incremented number for each group of the result.

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• Auto update after specific day passed

  - by Crays

  Hey guys, i've this theme of the week script, easy, just post like normally, save in database and echo it in a column. But since its theme of the week, i would like it to automatically renew the value to say "none" or "not set" after a week. I know cron jobs could do this but is there another way? [Running in PHP]

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• ImageButton not aligning to center.

  - by ProfK

  Given the following markup for a GridView column, why are my image buttons showing up as left aligned? <ItemStyle HorizontalAlign="Center" Width="55px" /> <ItemTemplate> <asp:ImageButton ID="removeButton" runat="server" ImageUrl="~/Images/Icons/x-m.png" CommandArgument='<%# Eval("ResourceId") %>' AlternateText="Remove Button" onclick="removeButton_Click" /> </ItemTemplate>

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• Adding Names to columns in a matrix

  - by Jeff

  I have my matrix I have created, a pic found here. http://s816.photobucket.com/albums/zz83/gavakie/?action=view&current=matrix.jpg The first three column what whats being grouped by but I can had the names of those columns, how can I do that in Reporting Services?

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• Grid view w/ progress bars?

  - by Mark

  Trying to decide on the best element to use for a grid view, pretty much exactly like the one you'd see in uTorrent or any other upload/download client. Specifically, I want to have a 'progress' column too (with progress bars). Using VS2010/.NET4. What would you recommend?

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• Group mysql query by 15 min intervals

  - by gsiener

  I've got a monitoring system that is collecting data every n seconds (n ~=10 but varies). I'd like to aggregate the collected data by 15 minute intervals. Is there a way to corral the timestamp column into 15 minute chunks to allow for grouping to work?

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• Select random line in SQL database

  - by Jensen

  Hi, I would like to select a random line in my database. I saw this solution on a website: SELECT column FROM table ORDER BY RAND() LIMIT 1 This SQL query run but someone said me that it was a non performant query. Is there another solution ? Thx

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• Simple question on database query.

  - by GK

  I have been asked in an interview, To write a sql query which fetches the first three records with highest value on some column from a table. i had written a query which fetched all the records with highest value, but didnt get how exactly i can get only first three records of those. could you help me in this. thanks.

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• element-wise lookup on one ndarray to another ndarray of different shapes

  - by fahhean

  Hi, I am new to numpy. Am wonder is there a way to do lookup of two ndarray of different shapes? for example, i have 2 ndarrays as below: X = array([[0, 3, 6], [3, 3, 3], [6, 0, 3]]) Y = array([[0, 100], [3, 500], [6, 800]]) and would like to lookup each element of X in Y, then be able to return the second column of Y: Z = array([[100, 500, 800], [500, 500, 500], [800, 100, 500]]) thanks, fahhean

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• Show Detailed Error in SQL Profiler

  - by AlwaysBeCoding

  Is there any way showing the detailed exception for String or binary data would be truncated. I use LINQ to SQL and i cant figure out which column is that!? Tried numerous things but i get the same meaningless error i got from within Visual Studio. Also I use .NET 3.5 SP1, but errors are still returned useless.

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• Find fields with certain characters

  - by Kemo

  I'm trying to SELECT fields with multiple dots ( . ) in their value. Exactly, I'm trying to find fields with a subdomain as an entry in domain column, e.g.; SELECT * FROM domains WHERE ( number of dots in domain value bigger than 1 ). Any suggestions ?

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• Copying an entire table with Postgres

  - by NudeCanalTroll

  Hello, I'm trying to copy the contents of one table into another in Postgres, however it appears some rows aren't being copied correctly: ActiveRecord::StatementInvalid: PGError: ERROR: column "email_date" is of type timestamp without time zone but expression is of type character varying HINT: You will need to rewrite or cast the expression. Is there any way I can have it automatically skip (or ignore) invalid rows? Here's the query I'm using: SET statement_timeout = 0; INSERT INTO emails3 SELECT * FROM emails

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• How can I get awk input from a file and add my own text to the data?

  - by xs2dhillon

  Assume that I have a text file separated by colons. I understand how to display the entire text file or any specific column using awk. However, what I want to do is to get the awk output and then display it by adding my own text using a shell script? For example, assume that my text file is: England:London:GMT USA:Washington:EST France:Paris:GMT What I want to do is to display this input into the below format: COUNTRY: England CAPITOL: London TIMEZONE: GMT COUNTRY: USA CAPITOL: Washington TIMEZONE: EST COUNTRY: France CAPITOL: Paris TIMEZONE: GMT

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• Hibernate violation error

  - by sarah

  Hi All, I am having a designation table with d_name as primary key which i am using in user table as foreign key reference .I am using hbm for mapping in designation hbm i have id defined as d_name mapped to database column .I am getting a error saying "integrity constraint violation(user_designation_fk) parent key not found. " Where am i going wrong /this error is coming while i am tring to add a user selecting a designation reading from designation table.

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• Making ListView in a WinForm Sortable?

  - by Soo

  In Windows' file explorer, you can sort ListViews by clicking on the column header to sort by. Is it possible to add this type of functionality to a ListView in a WinForm? If so, how can this be done? Thanks! :D

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• classic asp delete rows and columns from an excel file

  - by rdm

  Hi, how can I remove specific rows and columns from an excel file using only classic ASP? For example, given the excel file col1 col2 col3 one two three four five six I want to be able to programmatically delete the first row and second column to produce one three four six Thanks!

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• What the name of the row caret in a DataGridView

  - by Spike

  What is the official DataGridView nomenclature description of the little black triangle in the first column? Also, what it is for and which bit of the API can tell me where it is? It just seems to be set to the row of the last cell I changed the selected state of.

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• Counting the instances of customers

  - by Mikae Combarado

  Say that I have a table with one column named CustomerId. The example of the instance of this table is : CustomerId 14 12 11 204 14 204 I want to write a query that counts the number of occurences of customer IDs. At the end, I would like to have a result like this : CustomerId NumberOfOccurences 14 2 12 1 11 1 204 2 14 1 I cannot think of a way to do this.

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• scaffold does not update view

  - by doemsche

  Hi there I have a question to the following procedure: script/generate scaffold product title:string description:text db:migrate #then I generate a migration which adds a column description to the table products and migrate the db again. My question is: why is the field description not added to the project-views? Is that normal rails scaffold behaviour? I think I saw in a video tutorial that the scaffold updates as well the views, which would be very convenient. Thanks in advance for any help!

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• IntegrityError with Booleand Fields and Postgresql

  - by xRobot

  I have this simple Blog model: class Blog(models.Model): title = models.CharField(_('title'), max_length=60, blank=True, null=True) body = models.TextField(_('body')) user = models.ForeignKey(User) is_public = models.BooleanField(_('is public'), default = True) When I insert a blog in admin interface, I get this error: IntegrityError at /admin/blogs/blog/add/ null value in column "is_public" violates not-null constraint Why ???

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• How to index small words (3 letters) with SQL Full-text search?

  - by Sly

  I have an Incident table with one row that has the value 'out of office' in the Description column. However the following query does not return that row. SELECT * FROM Incident WHERE CONTAINS( (Incident.Description), '"out*"' ) The word 'out' is not in the noise file (I cleared the noise file completely). Is it because SQL Full-text search does not index small words? Is there a setting for that? Note: I'm on SQL 2005.

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• Item of one combobox should not come into the other

  - by syedsaleemss

  Im using c# .net windows form application. I have a database with some tables.I have two comboboxes (A & B). I have populated a combo box A with column names of a table using sys.columns. Now when i select an item in combo box A ,combo box B should be populated with the same items except the selected item which was selected in combobox A .

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• wxGrid different cursor

  - by snorlaks

  Hello, Im using wxGrid which has 3 columns. I would like cursor to be differen (Hand) when mous is over cells from 2 and 3 column. How can I do that ? Thanks for help

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• How can I find columns which have non-null values?

  - by aartist

  I have many columns in oracle database and some new are added with values. I like to find out which columns have values other than 0 or null. So I am looking for column names for which some sort of useful values exists at least in one row. How do I do this? Update: This sounds very close. How do I modify this to suit my needs? select column_name, nullable, num_distinct, num_nulls from all_tab_columns where table_name = 'SOME_TABLE'

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