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How do I use a file grep comparison inside a bash if/else statement?
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just use bash
while read -r line
do
case "$line" in
*MYSQL_ROLE=master*)
echo "do your stuff";;
*) echo "doesn't exist";;
esac
done <"/etc/aws/hosts.conf"
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How to access test resources in Scala?
...ust a normal Scala IO object so you can do anything you want with it, like reading the contents and using it for test data.
There are other methods to get the resource as well (for example as a stream). For more information look at the getResource methods on the Java Docs: Class.
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Why is “if not someobj:” better than “if someobj == None:” in Python?
...irst test, Python try to convert the object to a bool value if it is not already one. Roughly, we are asking the object : are you meaningful or not ? This is done using the following algorithm :
If the object has a __nonzero__ special method (as do numeric built-ins, int and float), it calls this ...
Fetch the row which has the Max value for a column
...-OCT-2011", then I want to get "22-OCT-2011". Been scratching my head and reading this snippet for a while now...
– Cory Kendall
Mar 17 '12 at 8:18
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WPF: How to display an image at its original size?
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@KyleDelaney Have you read the article I linked in the answer?
– Paya
Apr 19 '17 at 18:52
1
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Validate uniqueness of multiple columns
... You probably want to add a custom error msg like , :message => ' has already this friend.'
– laffuste
May 15 '14 at 9:34
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show 2 more c...
Difference between database and schema
... is in use. You have to first remove all objects from the schema.
Related reading:
What good are SQL Server schemas?
MSDN: User-Schema Separation
share
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improve this answer
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Removing a model in rails (reverse of “rails g model Title…”)
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:( Read the first line and did it. It was my fault, but a correctly-ordered answer may have helped.
– Mike T
Jul 22 '13 at 19:40
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How to check for Is not Null And Is not Empty string in SQL server?
... IS NOT NULL
Nowadays (4.5 years on), to make it easier for a human to read, I would just use
WHERE your_column <> ''
While there is a temptation to make the null check explicit...
WHERE your_column <> ''
AND your_column IS NOT NULL
...as @Martin Smith demonstrates in th...
How to show git log history for a sub directory of a git repo?
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For people skim-reading, this shows changes in A and B, not just A as OP requested
– aidan
Jan 29 '18 at 5:55
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