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Rearrange columns using cut
...made up of
one
range, or many ranges separated by commas. Selected input is written
in the same order that it is read, and is written exactly once.
It reaches field 1 first, so that is printed, followed by field 2.
Use awk instead:
awk '{ print $2 " " $1}' file.txt
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How to copy a collection from one database to another in MongoDB
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The best way is to do a mongodump then mongorestore. You can select the collection via:
mongodump -d some_database -c some_collection
[Optionally, zip the dump (zip some_database.zip some_database/* -r) and scp it elsewhere]
Then restore it:
mongorestore -d some_other_db -c some_or_ot...
Android: Access child views from a ListView
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I've tried this, for doing selections. It usually works but there are off-by-one errors sometimes and it isn't reliable. I wouldn't recommend it.
– Timmmm
Sep 18 '12 at 12:13
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“cannot resolve symbol R” in Android Studio
... compileSdkVersion 21
buildToolsVersion '21.0.1'
......
....
}
Or
Select File | Project Structure change Build Tools Version to 21.1.1
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How do I determine the dependencies of a .NET application?
...re depth >= 0 && m.IsUsing("System.IDisposable")
orderby depth
select new { m, depth }
And its result looks like: (notice the code metric depth, 1 is for direct callers, 2 for callers of direct callers...) (notice also the Export to Graph button to export the query result to a Call Gra...
Ruby on Rails: how do I sort with two columns using ActiveRecord?
...ersonally I find it easier to manage.
SQL gets produced in one step only:
SELECT "models".* FROM "models" ORDER BY "models"."etc" ASC, "models"."bar" DESC, "models"."foo" ASC
Thusly, for the original question:
Model.order(:updated_at).order(:price)
You need not declare data type, ActiveRecord ...
What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
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This is a very good solution for drawer selection and fragmentTransaction
– Gonçalo
May 26 '15 at 14:48
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UPDATE and REPLACE part of a string
... (N'19-4-2015', N'Monay', 2)
DECLARE @Date Nvarchar(200)
SET @Date = (SELECT [Date] FROM Tbl_PersonalDetail WHERE ID = 2)
Update Tbl_PersonalDetail SET [Date] = (REPLACE(@Date , '-','/')) WHERE ID = 2
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Unable to create Android Virtual Device
... "SDK Platforms," check the "Show Packages" box to see the system images.
Select the ones you want, click "Apply" and voilà!
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Microsoft Web API: How do you do a Server.MapPath?
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The selected answer did not work in my Web API application. I had to use
System.Web.HttpRuntime.AppDomainAppPath
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