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• How to: compare array with string and create hastags before tweeting

  - by krike

  Let's say I have the following array (which is the returned value of a database query): Array ( [0] => PHP [1] => Webdesign [2] => Wordpress [3] => Drupal [4]) And the following string: Working With Wordpress Shortcodes How can I compare the array with the string to see if the string contains any word stored in the array? (hopefully that made sense to you :d ) When he finds a match (eg: Wordpress) it should create a hashtag like so: Working With #Wordpress Shortcodes

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• Efficiently store last X items in an MySQL Database

  - by Saif Bechan

  I want to store the last 3 items in an MySQL database in an efficient way. So when the 4th item is stored the first should be deleted. The way I do this not is first run a query getting the items. Than check what I should do then insert/delete. There has to be a better way to do this. Any suggestions?

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• Openquery - unable to begin a distrubuted transaction

  - by dc2

  I am trying to use open query to run a stored procedure in a remote database, and insert it into a table in my local database: -- this works exec remotesvr.sys.dbo.golden_table 'some', 'parameters' While the above works out, I try the following: insert into my_local_table exec remotesvr.sys.dbo.golden_table 'some', 'parameters' I get a SQL error to the effect of 'unable to begin a distributed transaction'. Is there any way around this?, i.e. can I execute take the results of a remote stored procedure and put its contents in a local table?

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• Solve:Value was either too large or too small for an Int32.

  - by jithincool

  I am passing query string and the url is as follows- http://localhost:1086/Web/EditMobile.aspx?sno=2. But when i try to enter the url as follows,localhost:1086/Web/EditMobile.aspx?sno=2*3424324423432424* , i get the following error-Value was either too large or too small for an Int32. How do i handle this error. I must get an error report like " the value is not found in the table or database"

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• Do views only perform the joins that they need to, or all joins always?

  - by Nate

  I am on an oracle DB. Lets say I have one view that joins to three tables. The view has two fields each. Each field only needs data from two of the three tables. If I query the view and return only one field, does the view still join to three tables or just to the two tables that it needs to calculate the field?

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• WTF why does this SQL work in VS but not in CODE?

  - by acidzombie24

  The line cmd.ExecuteNonQuery(); cmd.CommandText CREATE TRIGGER subscription_trig_0 ON subscription AFTER INSERT AS UPDATE user_data SET msg_count=msg_count+1 FROM user_data JOIN INSERTED ON user_data.id = INSERTED.recipient; The exception: Incorrect syntax near the keyword 'TRIGGER'. Then using VS 2010, connected to the very same file (a mdf file) i run the query above and i get a success message. WTF!

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• Is it possible to debug an ad-hoc version of an iPhone app on iPhone using XCode?

  - by user262325

  I have an app that reads and writes data from sqlite3. I tested it on the simulator it looks like everything is OK. But if the ad-hoc version does a 'delete' or 'insert' query in the sqlite3 file on iPhone, it crashes. Is it possible to debug ad hoc versions of iPhone apps with XCode?

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• i want to add a column in my table.. can any body help me for that..

  - by Abid

  there is already some columns added in my table starsin.. i want to add a column address in my table starsin by using a query..

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• nhibernate, Retrieve the latest row in a table

  - by Blankman

  A user can have many addresses, but I want to retrieve the latest entry for the user. In sql I would do: SELECT TOP 1 * FROM UserAddress WHERE userID = @userID How can I create a criteria query with the same logic? Is there a TOP functionality?

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• Creating Simple desktop database application

  - by KoolKabin

  Hi guys, I am here to write a small database application that will be running in desktop (offline mode). I am using MSAccess 2007 as my database file and trying to write code in vb.net. I used to write the code vb6 an usually had global variables for storing database connection and executing every query from that. I am trying to upgrade myself from vb6 to vb.net. do i need to read some more simple starter books also?

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• Erlang: How do you reload an application env configuration?

  - by mwt

  How do you reload an application's configuration? Or, what are good strategies for managing dynamic application configuration? For example, let's say I had log levels and I wanted to change them at runtime. Also, let's assume this is one of many such options. Does it make sense to have a "configuration server" that holds configuration state for other parts of the application to query? Do people do that or did I just make it up?

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• How to fetch the first 2 or 3 rows from Mysql DB using Mysql PHP function?

  - by OM The Eternity

  How to fetch the first two rows from Mysql DB using Mysql PHP function? Is there any function which can give me first 2 or 3 rows from the select query we fired?

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• MySQL: how to index an "OR" clause

  - by JoséMi

  I'm executing the following query SELECT COUNT(*) FROM table WHERE field1='value' AND (field2 = 1000 OR field3 = 2000) There is one index over field1 and another composited over field2&field3. I see MySQL always selects the field1 index and then makes a join using the other two fields which is quite bad because it needs to join 146.000 rows. Suggestions on how to improve this? Thanks

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• Use subform record set as domain argument in DAvg()

  - by harto

  Is it possible to use a subform's 'current' record set as the domain argument to DAvg() (etc.)? Basically, I have a subform that displays a subset of records from a query. I would like to run DAvg() over this subset. This is how I've gotten around it: =DAvg([FieldToAvg], [SubformQuery], "ChildField=Forms.MasterForm.MasterField And FieldToAvg > 0") but what I actually want is something like: =DAvg([FieldToAvg], [SubformCurrentlyDisplayedData], "FieldToAvg > 0") Is this possible in Access 2007?

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• Recommendation for a HTTP parsing library in C/C++

  - by michael

  Hi, I am looking for HTTP parsing library for C/C++. I have looked curl library, but it seems it is a http client library. I am looking for a library which parses HTTP header (e.g. a way to get the query string, get cookie, get request url, get Post Data)? Thank you.

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• MSSQL. Compare columns in two tables.

  - by maxt3r

  Hi, i've recently done a migration from a really old version of some application to the current version and i faced some problems while migrating databases. I need a query that could help me to compare columns in two tables. I mean not the data in rows, i need to compare the columns itself to figure out, what changes in table structure i've missed.

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• what is the optimal database connection strategy

  - by ooo

  i have a asp.net mvc website which runs a number of queries for each page. Should i open up a single connection or open and close a connection on each query?

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• self join table

  - by San82moon

  HI, i have a table, new_id----old_id----created_on 1234------5678------20100912 5678------3456------20100808 etc. i wrote this query, $q = "select event1.new_id, event1.old_id, event1.created_on,event2.new_id, event2.old_id, event2.created_on FROM replaced_isbns event1 JOIN replaced_isbns event2 ON event2.new_id = event1.old_id WHERE event1.new_id='$id'"; but i get result as 5678 - 1234, ie only one row, i want all rows... plz help me. Thanks, SLC

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• Creating Auto Incrementing column in Google Appengine

  - by demos

  What is the easiest and most efficient way to create an auto-increment counter for every data row in google appengine? basically I want to give every row a unique row_number so that I can overcome the issue of only being able to get the first 1000 results in a select query. I can thus add a counter lies between condition and mine all the entires in the table.

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• mozilla firefox page redirection

  - by java_geek

  When i search for some query and click on any of the results, the link is being redirected to some random sites. What could be the reason behind this? This happens with firefox

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• Should I use "User Defined Functions" in SQL server, or C#?

  - by sanity

  I have a fairly complicated mathematical function that I've been advised should be implemented as a User Defined Function in SQL Server so that it can be used efficiently from within a SQL query. The problem is that it must be very efficient as it may be executed thousands of times per second, and I subsequently heard that UDFs are very inefficient. Someone suggested that I could implement the function in C# instead, and that this would be much more efficient. What should I do?

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• Mysql - NOW() function calling

  - by Ockonal

  Hello, I'm using php for making queries for mysql. Here is one: UPDATE `subscribers` SET `curDate` = NOW() WHERE `e_mail` = "$resEmail" curDate - DateTime type. The problem is that after this query curDate of given email is 0000-00-00 00:00:00 What's wrong?

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• Is it possible to get the Identity value in the ItemInserted event in a listView?

  - by Abe Miessler

  I'd rather not make a call to the database to query @@IDENTITY. Is there some way to get the identity value for what was just inserted?

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• Mysql Left join with condition on column

  - by skicster

  Hi, can you help me with sql query? I have this problem: I have two tables "Join" table: Reservation_has_meal +----------------+ | id_reservation | | id_meal | | pieces | +----------------+ and table with data: Meal +-------------+ | id_meal | | name | +-------------+ Sample data for Meal: 1 | carrot 2 | potatoe 3 | cucumber Reservation_has_meal 1 | 2 | 5230 1 | 3 | 1203 How can I get this result for reservation with id_reservation=1: id_meal | id_Reservation | name | pcs | -------------------------------------------- 1 | 1 | carrot | null| 2 | 1 | potatoe | 5230| 3 | 1 | cucumber | 1203| -------------------------------------------- And result for id_reservation = 2: id_meal | id_Reservation | name | pcs | -------------------------------------------- 1 | 2 | carrot | null| 2 | 2 | potatoe | null| 3 | 2 | cucumber | null| -------------------------------------------- Thanks for advice.

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• How to define a current user?

  - by ie

  Is it possible to define a current user? I found a stored procedure 'sp_mgGetConnectedUsers'. It returns a result set with the only unique field 'Address'. How could I associate an executing query with such 'Address'. Please advice. Note: As far as I understand, another way to get the current user is to set a unique application Id for each connection, but I don't like this way much.

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