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  • Real World Application of XPath & XSLT

    - by Knowledge Craving
    Can any professional please specify some real world application, where he / she has used this XPath & XSLT for any logic / view? It creates a great query among some of the people I've communicated with, and so I myself also wants to know about this. I wish that this question will create a starting point from where new developers will take home some practical experience. Any help is greatly appreciated.

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  • emacs local version control

    - by aaa
    hello. I am wondering if there is local version control/snapshots for emacs independent of VC? let me clarify: every time I save buffer, I would like to be able to keep track of changes of each save in session. I know I can do something similar with backup files, but they are not automated like VC and a somewhat cumbersome. I have searched Google, but did not find the solution. Perhaps my query string was not good. Thanks

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  • SQL Oracle Combining Multiple Results Rows

    - by Stuav
    I have the below query Select case upper(device_model) when 'IPHONE' then 'iOS - iPhone' when 'IPAD' then 'iOS - iPad' when 'IPOD TOUCH' then 'iOS - iPod Touch' Else 'Android' End As Device_Model, count(create_dtime) as Installs_Oct17_Oct30 From Player Where Create_Dtime >= To_Date('2012-Oct-17','yyyy-mon-dd') And Create_Dtime <= To_Date('2012-Oct-30','yyyy-mon-dd') Group By Device_Model Order By Device_Model This spits out multiple rows of results that read "Android"....I would like there to be only 4 results rows, one for each case....so it comes out like this: Device_Model Installs_Oct17_Oct30 Android 987 iOS - iPad 12003 iOS - iPhone 8563 iOS- iPod Touch 3482

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  • How to write stored procedure to do this?

    - by chobo
    I would like to create a stored procedure that takes in a string of comma separated values like this "1,2,3,4", and break it apart and use those numbers to run a query on a different table. so in the same stored procedure it would do something like select somefield from sometable where somefield = 1 select somefield from sometable where somefield = 2 select somefield from sometable where somefield = 3 select somefield from sometable where somefield = 4 Thanks!

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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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  • Calculating average (AVG) and grouping by week on large data set takes too long

    - by caioiglesias
    I'm getting average prices by week on 7 million rows, it's taking around 30 seconds to get the job done. This is the simple query: SELECT AVG(price) as price, yearWEEK(FROM_UNIXTIME(timelog)) as week from pricehistory where timelog > $range and product_id = $id GROUP BY week The only week that actually gets data changed and is worth averaging every time is always the last one, so this calculation for the whole period is a waste of resources. I just wanted to know if mysql has a tool to help out on this.

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  • Mysql filling in missing dates

    - by bsandrabr
    I have the following query SELECT * FROM attend RIGHT OUTER JOIN noattend ON attend.date = noattend.date2 WHERE attend.date BETWEEN '2010-02-01' AND '2010-04-01' AND attend.customerid =1 ORDER BY date DESC LIMIT 0 , 30 Attend is the table with customerid noattend is the table with a row for each date (date2) I followed the advice in other questions to right outer join it to create values where there is no record in attend but it still isn't filling in the empties any help much appreciated

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  • error with linq join

    - by Luca Romagnoli
    I have this linq query: var segreterie = from s in db.USR_Utenti join h in db.USR_Accounts on new {s.ID, settings.GruppoSegreteria} equals new {h.USR_UtentiReference,h.ID_Gruppo} select s; that has this problem: The type of one of the expressions in the join clause is incorrect. Type inference failed in the call to 'Join'. how can i do to solve it?

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  • MySQL INSERT IGNORE not working

    - by gAMBOOKa
    Here's my table with some sample data a_id | b_id ------------ 1 225 2 494 3 589 When I run this query INSERT IGNORE INTO table_name (a_id, b_id) VALUES ('4', '230') ('2', '494') It inserts both those rows when it's supposed to ignore the second value pair (2, 494) No indexes defined, neither of those columns are primary. What don't I know?

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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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  • 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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  • Equivalent of Oracle’s RowID in MySQL

    - by echo
    is there an equivalent of oracle's rowid in mysql? delete from my_table where rowid not in (select max(rowid) from my_table group by field1,field2) I want to make a mysql equivalent of this query!!! What i'm trying to do is, : The my_table has no primary key.. i'm trying to delete the duplicate values and impose a primary key (composite of field1, field2)..!!

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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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  • 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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  • 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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  • Returning Null values with COUNT

    - by Randy B.
    With this query, I get a result that is two short of the table because they are not included in count, and I would like get the NULL values in the result. To do this, I am pretty sure I need to use a subquery of some kind, but I am not sure how, since the attribute in question is an aggregate. SELECT Equipment.SerialNo , Name, COUNT(Assignment.SerialNo) FROM Equipment INNER JOIN Assignment ON Assignment.SerialNo = Equipment.SerialNo GROUP BY Equipment.SerialNo, Name

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