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Multiple columns index when using the declarative ORM extension of sqlalchemy
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those are just Column objects, index=True flag works normally:
class A(Base):
__tablename__ = 'table_A'
id = Column(Integer, primary_key=True)
a = Column(String(32), index=True)
b = Column(String(32), index=True)
if you'd like a composite index, again Table is present here as u...
Why doesn't Haskell's Prelude.read return a Maybe?
...Edit: As of GHC 7.6, readMaybe is available in the Text.Read module in the base package, along with readEither: http://hackage.haskell.org/packages/archive/base/latest/doc/html/Text-Read.html#v:readMaybe
Great question! The type of read itself isn't changing anytime soon because that would break ...
Difference between static STATIC_URL and STATIC_ROOT on Django
...d of STATIC_URL method, and the bug was gone. Good call on the suggestions based on versions.
– User
Jun 29 '14 at 15:08
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How to check if an object is serializable in C#
...s types that may break serialization and could change at runtime. List(Of baseclass) could have items added of subclassA which is not serializable, where baseclass and subclassB are serializable.
– VoteCoffee
May 18 at 12:09
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When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
... end up being very similar in practice because they both are event message based: See my answer to RabbitMQ vs Akka.
If you're going to code only for the JVM then Akka is probably a good choice. Otherwise I would use RabbitMQ.
Also if you're a Scala developer, then Akka should be a no-brainer. How...
How to checkout in Git by date?
...regression in the source code. I'd like to tell Git: "checkout the source based on a parameterized date/time". Is this possible?
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SQL - Update multiple records in one query
...update query each time I preferred this,
UPDATE mst_users
SET base_id = CASE user_id
WHEN 78 THEN 999
WHEN 77 THEN 88
ELSE base_id END WHERE user_id IN(78, 77)
78,77 are the user Ids and for those user id I need to update the base_id 999 and 88 respectively.This works for ...
How to Parse Command Line Arguments in C++? [duplicate]
... Alternatively, if you can't use boost for some reason then the standard c based "getopt" function will also get the job done.
– Matt
Jul 16 '09 at 2:47
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Unit Testing bash scripts
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There is actually a shunit2, an xUnit based unit test framework for Bourne based shell scripts. I haven't used it myself, but it might be worth checking out.
Similar questions have been asked before:
Unit Testing for Shell Scripts
Test Anything Protocol in Sh...
Status bar won't disappear
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You should add this value to plist: "View controller-based status bar appearance" and set it to "NO".
This will enable you to set the status bar to hidden mode. This sets it to a global unlike other provided answers.
UPDATE: If you want that the status bar would be hidden on ...