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Run a string as a command within a Bash script
...rameters so I ended up with something like:
my_exe ()
{
mysql -sN -e "select $1 from heat.stack where heat.stack.name=\"$2\";"
}
This is something I use to monitor openstack heat stack creation. In this case I expect two conditions, an action 'CREATE' and a status 'COMPLETE' on a stack named ...
How to drop a list of rows from Pandas dataframe?
... +1, this is the only answer that tells you how to remove a row selecting a column different from the first one.
– Alejo Bernardin
May 3 at 5:31
add a comment
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Environment variable substitution in sed
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The selected answer describes a workaround ... don't use slash for the delimiter
– Eddie
Feb 18 '14 at 22:16
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Is there a method that calculates a factorial in Java?
...of understanding your problem, and once you've done that you might as well select the implementation that's best suited for the job.
– Matt G
May 21 '09 at 2:24
2
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EF5: Cannot attach the file ‘{0}' as database '{1}'
...When I try to detach it the database doesn't appear in the list for detach selection, "Take offline" also takes me to the error above.
Which leads me to think this is a solid bug in LocalDB.
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CSV new-line character seen in unquoted field error
...e text files that use CR for end of line. If using MS Office make sure you select either plain CSV format or CSV (MS-DOS). Do not use CSV (Macintosh) as save-as type.
My preferred EOL version would be LF (Unix/Linux/Apple), but I don't think MS Office provides the option to save in this format.
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Random date in C#
...tDate).TotalMinutes / int.MaxValue;
var dateResults = randomResult.Select(s => startDate.AddMinutes(s * calculationValue)).ToList();
return dateResults;
}
public static IEnumerable<int> GetRandomNumbers(int size)
{
var data = new byte[4];
using (...
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 ...
IntelliJ Organize Imports
...ditor -> Auto Import -> Java (left panel) and make the below things:
Select check box for "Add unambigious imports on the fly" and "Optimize imports on the fly"
Refer this.
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Is there a reason that we cannot iterate on “reverse Range” in ruby?
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When trying to add years to a form, I used: = f.select :model_year, (Time.zone.now.year + 1).downto(Time.zone.now.year - 100).to_a
– Eric Norcross
May 2 '18 at 0:14
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