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Confusion between factor levels and factor labels
...ends?
– donodarazao
May 3 '11 at 13:02
6
I would often transform the levels right before plotting...
CSS: transition opacity on mouse-out?
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202
You're applying transitions only to the :hover pseudo-class, and not to the element itself.
.i...
How to implement Rate It feature in Android App
... SharedPreferences prefs = mContext.getSharedPreferences("apprater", 0);
if (prefs.getBoolean("dontshowagain", false)) { return ; }
SharedPreferences.Editor editor = prefs.edit();
// Increment launch counter
long launch_count = prefs.getLong("launch_count", 0)...
How to get min/max of two integers in Postgres/SQL?
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306
Have a look at GREATEST and LEAST.
UPDATE my_table
SET my_column = GREATEST(my_column - 10, 0)...
Compare integer in bash, unary operator expected
... specifying a default value for $i if $i is blank, as follows:
if [ "${i:-0}" -ge 2 ] ; then ...
This will substitute the value 0 instead of $i is $i is undefined. I still maintain the quotes because, again, if $i is a bunch of blanks then it does not count as undefined, it will not be replaced ...
DbArithmeticExpression arguments must have a numeric common type
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edited Dec 14 '17 at 11:03
community wiki
7 r...
Checking for NULL pointer in C/C++ [closed]
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206
In my experience, tests of the form if (ptr) or if (!ptr) are preferred. They do not depend on ...
Test if something is not undefined in JavaScript
I'm checking if(response[0].title !== undefined) , but I get the error:
11 Answers
11...
Entity Framework - Start Over - Undo/Rollback All Migrations
... to rollback all migrations you can use:
Update-Database -TargetMigration:0
or equivalent:
Update-Database -TargetMigration:$InitialDatabase
In some cases you can also delete database and all migration classes.
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Xcode stops working after set “xcode-select -switch”
... JimJim
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