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Can anyone please tell whether it is possible to create the shared object(.so) files from the existing .cc files?
Thanks !
Yes, you should look into make.
http://www.cs.colby.edu/maxwell/courses/tutorials/maketutor/
You need to compile your object files and then create an shared object out of those.
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Customer.select('email, status_id, COUNT(*) AS cnt').group(:email).having('cnt > 1').update_all(:status_id => 2)
above is my ruby query that I want to convert into mysql.
Please Help me. Please save my life.
Thanks
You can just append .to_sql to the end of your call. That will give you the SQL query.
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i am developing a ruby on rails question bank application.i want to know how to retrive a random records from database with out any duplication.and i am using a MYSQL as a database.Also all the random records show in the view.
Solution: 1
User.limit(10).order("RAND()")
Solution: 2
ids = User.pluck(:id).shuffle[0..9]
User.where(id: ids)
Sorry about my last, i write that almost thoughtlessly.
registers = YourModel.order("RANDOM()").limit(number_of_records)
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How can I read data from a external webpage and store that into my database.
if I already have permission to access that data from that external webpage?
I am using sql server 2008.
In your position I would use c# and do:
Get data from website -> Reading data from a website using C#
Write data to sql database -> Code for inserting data into SQL Server database using Enterprise library
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I see appharbor is very promising alternative to windows azure. Are all the applications created there for trial are open source by default? If yes does deleting the application also deletes the source code.
No, you can use AppHarbor for free and keep your source code private.
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I was checking out what it would take to add my free extension to Magento Connect. I noticed a list of open source licenses. Can anyone point out the major difference?
Roughly speaking they're all about the same. Each license permits anyone to reuse your code as long as they credit you, but the (L)GPL, MPL and OSL prohibit someone from doing so with a different license to the one you chose.