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How do I update a Linq to SQL dbml file?

...to keep the model in sync. Delete the modified tables from the designer, and drag them back onto the designer surface from the Database Explorer. I have found that, for this to work reliably, you have to: a. Refresh the database schema in the Database Explorer (right-click, refresh) b. Save th...
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Difference between framework and static library in xcode4, and how to call them

I am quite new to xcode and objective-c. I want to ask a very basic question. 2 Answers ...
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Generate a random point within a circle (uniformly)

I need to generate a uniformly random point within a circle of radius R . 21 Answers ...
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How to debug a bash script? [closed]

...s, for x.) Also, shells generally provide options '-n' for 'no execution' and '-v' for 'verbose' mode; you can use these in combination to see whether the shell thinks it could execute your script — occasionally useful if you have an unbalanced quote somewhere. There is contention that the '-x...
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What is the difference between Serializable and Externalizable in Java?

What is the difference between Serializable and Externalizable in Java? 11 Answers ...
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Using an ORM or plain SQL? [closed]

... ORMs have some nice features. They can handle much of the dog-work of copying database columns to object fields. They usually handle converting the language's date and time types to the appropriate database type. They generally handle one-to-many relationships pret...
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What is the purpose of “&&” in a shell command?

As far as I know, using & after the command is for running it in the background. 9 Answers ...
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Postgres and Indexes on Foreign Keys and Primary Keys

Does Postgres automatically put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table? ...
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Usage of __slots__?

...s__ in Python — especially with respect to when I would want to use it, and when not? 11 Answers ...
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MySQL maximum memory usage

... MySQL's maximum memory usage very much depends on hardware, your settings and the database itself. Hardware The hardware is the obvious part. The more RAM the merrier, faster disks ftw. Don't believe those monthly or weekly news letters though. MySQL doesn't scale linear - not even on Oracle hard...