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Linq to SQL how to do “where [column] in (list of values)”
I have a function where I get a list of ids, and I need to return the a list matching a description that is associated with the id. E.g.:
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Best approach for designing F# libraries for use from both F# and C#
...sign a library in F#. The library should be friendly for use from both F# and C# .
4 Answers
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IntelliJ: Working on multiple projects
...d. You shouldn't use three instances of intellij. You can open one Project and add other 'parts' of application as Modules. Add them via project browser, default hotkey is alt+1
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C++: What is the size of an object of an empty class?
... It surely could not be 0 bytes since it should be possible to reference and point to it like any other object. But, how big is such an object?
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What is the difference between ports 465 and 587?
These ports 465 and 587 are both used for sending mail (submitting mail) but what is the real difference between them?
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psql: FATAL: Ident authentication failed for user “postgres”
I have installed PostgreSQL and pgAdminIII on my Ubuntu Karmic box.
23 Answers
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Should I commit or rollback a read transaction?
...tion, you should close it. Committing releases any locks you may have had, and is equally sensible with ReadUncommitted or Serializable isolation levels. Relying on implicit rollback - while perhaps technically equivalent - is just poor form.
If that hasn't convinced you, just imagine the next guy ...
List vs Set vs Bag in NHibernate
What's the difference between a list, set and bag in the NHibernate mapping file? How does each relate to .NET collections?
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Why use argparse rather than optparse?
I noticed that the Python 2.7 documentation includes yet another command-line parsing module. In addition to getopt and optparse we now have argparse .
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How do I check if there are duplicates in a flat list?
...N log N) for non-hashable comparables, otherwise it's down to O(N squared) and there's nothing one can do about it:-(.
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