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• SQL Update help

  - by Cyborgo

  I have a really simple question, is it possible to update a table with new values using just one update statement. Say for example I have a table with author, title, date, popularity. Now I got some new data which has author name, title corresponding new popularity. How do I update the table now in one statement. Note that author and title are not unique.

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• LINQ - How to change value in select or foreach loop ?

  - by Eugene

  IQueryable items = from rr in _dt.AllItems where rr.ID == ItemID select new{rr.Item, rr.SecondItem}; SecondItem is returning false or true. Is it possible to replace with different string values (for example with On and Off) and add to the items (IQueryable)?

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• Calculate time from timezones in php

  - by Ramya

  Hai I have the system with employees having different timezones in their profile. I would like to show the date according to their timezones specified. The GMT time zone values are placed in the database. could you guys help me

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• C#: how to explicitly set culture for Double.Parse(string num)

  - by Nike

  I download one program that read file and then parse double values from String to Double. But I get an exception because this file contains numbers with '.' separator, but there is ',' in my culture. How can I set culture explicitly?

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• About to migrate :string but I'm thinking :text might be better. Performance/Purpose?

  - by Sam

  class CreateScrapes < ActiveRecord::Migration def self.up create_table :scrapes do |t| t.text :saved_characters t.text :sanitized_characters t.string :href t.timestamps end end def self.down drop_table :scrapes end end I'm about to rake db:migrate and I'm think about the attribute type if I should be using text or string. Since saved_characters and sanitized_characters will be arrays with thousands of unicode values, its basically comma delimited data, I'm not sure if `:text' is really the right way to go here. What would you do?

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• Active record NEW causing a warning

  - by Jon

  I got this snippet of controller code from Railscast 193, functionally its all working, but i am getting a warning message. http://railscasts.com/episodes/193-tableless-model @search = Search.new(:text => params[:search]) getting warning: /Users/Server/.gem/ruby/1.8/gems/activerecord-2.3.4/lib/active_record/named_scope.rb:13: warning: multiple values for a block parameter (0 for 1) from /Users/Server/.gem/ruby/1.8/gems/activerecord-2.3.4/lib/active_record/named_scope.rb:92 Any ideas why i am getting the warning? thanks

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• Is there something like SESSION in Windows application?

  - by Manish

  Is there something like SESSION in Windows application? I want to store a few values to be persistent between forms.

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• How to define ENUM in SQL Server 2005?

  - by KuldipMCA

  Is there any way to define ENUM in SQL Server 2005? I have fixed values which I need to use in procedures and functions.

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• How can I get all the methods in a Protocol?

  - by jdinuncio

  Hello, How can I get a collection of all the (class) methods in a given protocol in smalltalk/squeak/pharo? I'm trying to collect the values returned by a group of methods. I don't want to have to store the methods in an instance or class variable. So I though I could add them to a protocol and in this way to "mark" them. Thanks.

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• reset the data in the table of data set in c#.net

  - by shruti

  im populating the data in the combo box using dataset tables...with some table name..now i want to clear those entries or data populated in the combobox every time when the button is clicked...so that new entries can be done.... is there any way to clear the comobo box values??

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• Shell loops using non-integers?

  - by mary

  I wrote a .sh file to compile and run a few programs for a homework assignment. I have a "for" loop in the script, but it won't work unless I use only integers: #!/bin/bash for (( i=10; i<=100000; i+=100)) do ./hw3_2_2 $i done The variable $i is an input for the program hw3_2_2, and I have non-integer values I'd like to use. How could I loop through running the code with a list of decimal numbers?

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• How do I select the first row per group in an SQL Query?

  - by mafutrct

  I've got this SQL query: SELECT Foo, Bar, SUM(Values) AS Sum FROM SomeTable GROUP BY Foo, Bar ORDER BY Foo DESC, Sum DESC This results in an output similar to this: 47 1 100 47 0 10 47 2 10 46 0 100 46 1 10 46 2 10 44 0 2 I'd like to have only the first row per Foo and ignore the rest. 47 1 100 46 0 100 44 0 2 How do I do that?

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• Get "UserDefinedProperty" of AppointmentItem

  - by Marc van Breemen

  I writing an application that looks for changed appointment items in an Outlook 2007 agenda folder. In the UserDefinedProperties of the folder and the UserProperties of the appointment item are values stored I need to access. I'm using the following VB code to do this:

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• Date in Dropdown list box

  - by cinu

  I have 3 drop down list having Date,Month ,Year.So when Updating I want this 3 Field to be a single Datafield in Sql Database. Iam using Asp.Net 2.0 Version(VB.Net).(Now these 3 Dropdown list values are saved as 3 Datafields in sql Database)

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• How Can I Convert the Value - listViewRecs.SelectedItems[0].SubItems[0] - to Integer? - C#.NET

  - by peace

  int val = lstvRecordsCus.SelectedItems[0].SubItems[0]; The returned value is an int in a string datatype. I need the right hand side to return the value in int instead of string. I tried Convert.ToInt32, it didn't work. Any idea? All the values that comes from SelectedItems[0].SubItems[0] is of type int.

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• Recalculate Counter Cache of 120k Records [Rails / ActiveRecord]

  - by Sebastian

  The following situation: I have a poi model, which has many pictures (1:n). I want to recalculate the counter_cache column, because the values are inconsistent. I've tried to iterate within ruby over each record, but this takes much too long and quits sometimes with some "segmentation fault" bugs. So i wonder, if its possible to do this with a raw sql query?

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• How can I show the Percentage Value On my Legends in Report (Pie Chart)

  - by David Stein

  I'm new to SQL Server. how can I add the values of my Pie Chart to the Legend next to the Series fields? In this case I want the percentage. For example: United States 43.2% Canada 22% etc.

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• MySql Join using 4 tables

  - by Ionut Flavius Pogacian

  I have 4 tables and i want to join them and extarct 4 values. I wrote the followig MySql Query, but it does not work. select `a`.`id`,`a`.`page` xpage,`a`.`action`, `b`.`header` xheader, `b`.`page_id`, `c`.`content` xcontent,`b`.`page_id`, `d`.`footer` xfooter,`d`.`page_id` join `header` b on `a`.`id`=`b`.`page_id` join `content` c on `a`.`id`=`c`.`page_id` and `a`.`id`=`d`.`page_id` join `footer` d on `a`.`id`=`d`.`page_id` where `a`.`page`='main'

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• retriving python objects ...python newbie

  - by gizgok

  I have a Club class and Player Class.The player class has an attribute Fav.clubs which will have unique club values.So the user is suppose to enter various club names.Based on the club names I have to retrieve those club objects and establish the relationship that this particular player has this Fav.clubs.The attribute Fav.clubs in Player class should store the names of Club .Now what I have to do is,take input from user about fav.clubs.This will be a list.After that traverse each element in the list and acc to string name find the corresponding club object and then store that object instance in Player class.

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• Need an app config file opinion here.....

  - by Chris

  I know that app config is used to provide environmental type of values for process variables. And it is very much key/value oriented. But I have a process (windows service) that uses a skeleton xml template file to produce a fuller version of that file after processesing. What about the idea of including that 'skeleton xml' in the app config file? I am trying to aviod having a standalone xml skeleton file, since it is 'configuration' related, in a way.

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• How to make a report with count of type of cases in each month in Acess 2010

  - by amir shadaab

  I have a database is access with each record having a date and yes/no type columns for each record which shows which category the record comes under. I want to create a report which shows the types of cases in each month by taking a date range as a parameter through prompts. I have done the prompt part but I'm not sure how the query should be to show values for each month in that date range. Can someone please help me with this?

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• writing to a dataframe from a for-loop in R

  - by CCID

  I'm trying to write from a loop to a data frame in R, for example a loop like this for (i in 1:20) { print(c(i+i,i*i,i/1))} and to write each line of 3 values to a data frame with three columns, so that each iteration takes on a new row. I've tried using matrix, with ncol=3 and filled by rows, but only get the last item from the loop. Thanks.

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• How to set the transaction isolation level of a

  - by Michael Wiles

  How do I set the global transaction isolation level for a postgres data source. I'm running on jboss and I'm using hibernate to connect. I know that I can set the isolation level from hibernate, does this work for Postgres? This would be by setting the hibernate.connection.isolation hibernate property to 1,2,4,8 - the various values of the relevant static fields. I'm using the org.postgresql.xa.PGXADataSource

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• Preventing FireFox from remebering the input value on refresh with Meta tag

  - by Nir

  When I refresh a page with FireFox, the values of the check boxes, input fields etc. are kept. Is there a way to make FireFox not keep them, using a meta tag without Javascript? Thanks!

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• A Byte Array with all 0x00 is Equaled to 0x08?

  - by Ngu Soon Hui

  I think I encountered something extraordinary strange in VS 2008. All the array values are 0x00, but why it is displayed 0x00000008 at the start of the variable?

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