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What is the command to list the available avdnames
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do
echo "$N) $DEVICE"
let N=$N+1
done
# Request an emulator to start
read -p "
Choose an emulator: " num
# If the input is valid, launch our emulator on a separate PID and exit
if [ $num -lt $N ] && [ $num -gt 0 ];
then
DEVICE=${DEVICES[$num-1]}
emulator "@$DEVICE" > /dev/null ...
Rails: select unique values from a column
I already have a working solution, but I would really like to know why this doesn't work:
12 Answers
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Uniq by object attribute in Ruby
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@brauliobo for Ruby 1.8 you need to read just below in this same SO: stackoverflow.com/a/113770/213191
– Peter H. Boling
Jul 20 '16 at 3:27
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Animation CSS3: display + opacity
...tually useless because the first Opera version to support animations was already based on webkit.
– Rico Ocepek
Feb 23 '18 at 12:51
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How does having a dynamic variable affect performance?
I have a question about the performance of dynamic in C#. I've read dynamic makes the compiler run again, but what does it do?
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How to get UILabel to respond to tap?
...NSMutableAttributedString = NSMutableAttributedString(string: "Tap here to read the latest Football News.")
newsString.addAttributes([NSUnderlineStyleAttributeName: NSUnderlineStyle.StyleDouble.rawValue], range: NSMakeRange(4, 4))
sampleLabel.attributedText = newsString.copy() as? NSAttribut...
How to test if a double is an integer
... I really love the simplicity of this solution. It's both easy to read and to implement.
– krispy
Feb 27 '14 at 21:03
1
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What's the best way to do “application settings” in Android? [closed]
... by only the calling application. Other two mode supported are MODE_WORLD_READABLE and MODE_WORLD_WRITEABLE. In MODE_WORLD_READABLE other application can read the created file but can not modify it. In case of MODE_WORLD_WRITEABLE other applications also have write permissions for the created file....
PostgreSQL query to list all table names?
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tablename as table
from
pg_tables
where schemaname = 'public'
Read more about pg_tables
share
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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
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This thread mentions:
If you don't remember the empty tree sha1, you can always derive it with:
git hash-object -t tree /dev/null
Or, as Ciro Santilli proposes in the comments:
printf '' | git hash-object --stdin -t tree
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