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Alter Mm>y m>SQL table to add comments on columns
I have been checking the Mm>y m>SQL Documentation for ALTER TABLE m>and m> it does not seem to include a wam>y m> to add or modifm>y m> a comment to a column. How can I do this?
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Index on multiple columns in Rubm>y m> on Rails
...:user_id, :article_id], m>y m>ou can perform a fast querm>y m> on user_id or user_id m>AND m> article_id, but NOT on article_id.
m>Y m>our migration add_index line should look something like this:
add_index :user_views, [:user_id, :article_id]
Question regarding 'unique' option
An easm>y m> wam>y m> to do this in Rails ...
Logback to log different messages to two files
... two logger instances which each log to a separate file; one for analm>y m>tics m>and m> one for all purpose logging. Does anm>y m>one know if this is possible with Logback, or anm>y m> other logger for that matter?
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Static implicit operator
...this code:
XmlBase mm>y m>Base = new XmlBase();
XElement mm>y m>Element = mm>y m>Base;
m>And m> the compiler won't complain! At runtime, the conversion operator will be executed - passing mm>y m>Base in as the argument, m>and m> returning a valid XElement as the result.
It's a wam>y m> for m>y m>ou as a developer to tell the compiler:...
How to calculate time in hours between two dates in iOS
...nds-into-minutes
--edit: See ÐąrέÐέvil's answer below for correctlm>y m> hm>and m>ling dam>y m>light savings/leap seconds
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Can I use a min-height for table, tr or td?
...>Ipsum</div>
</td>
</tr>
</table>
m>and m> set the divs to the min-height:
div {
min-height: 300px;
}
Hope this is what m>y m>ou want ...
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How to swap kem>y m>s m>and m> values in a hash
How do I swap kem>y m>s m>and m> values in a Hash?
6 Answers
6
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How can I convert immutable.Map to mutable.Map in Scala?
...gs factorm>y m>. Unlike the ++ approach, this uses the CanBuildFrom mechanism, m>and m> so has the potential to be more efficient if librarm>y m> code was written to take advantage of this:
val m = collection.immutable.Map(1->"one",2->"Two")
val n = collection.mutable.Map(m.toSeq: _*)
This works because...
Does application.m>y m>ml support environment variables?
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@IgorDonin, would concatenation of variable assignments m>and m> program call an option for m>y m>ou? E. g.: $Mm>Y m>_ENV=value && java -jar ...
– PAX
Mam>y m> 12 at 12:31
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ASP.Net MVC Html.HiddenFor with wrong value
I'm using MVC 3 in mm>y m> project, m>and m> I'm seeing a verm>y m> strange behavior.
4 Answers
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