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Android Studio: Plugin with id 'android-library' not found
... 'com.android.tools.build:gradle:1.1.1'
}
}
Replace version string 1.0.+ with the latest version. Released versions of Gradle plugin can be found in official Maven Repository or on MVNRepository artifact search.
share
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How do I test if a variable is a number in Bash?
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One approach is to use a regular expression, like so:
re='^[0-9]+$'
if ! [[ $yournumber =~ $re ]] ; then
echo "error: Not a number" >&2; exit 1
fi
If the value is not necessarily an integer, consider amending the regex appropriately; for instance:
^[0-9]+([.][0-9]+)?$
....
Position: absolute and parent height?
...idden;
}
.one {
position: relative;
float: left;
margin-top: 10px;
margin-left: 10px;
background: red;
width: 30px;
height: 30px;
}
.two {
position: relative;
float: right;
margin-top: 10px;
margin-right: 10px;
background: blue;
width: 30px;
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How to use split?
...= 'something -- something_else';
var substr = str.split(' -- ');
// substr[0] contains "something"
// substr[1] contains "something_else"
If this value is in some field you could also do:
tRow.append($('<td>').text($('[id$=txtEntry2]').val().split(' -- ')[0])));
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Float vs Decimal in ActiveRecord
...a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly.
That's why there is a Decimal format. If you do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.100000000000000005551115123125782702...
Possible heap pollution via varargs parameter
...heap never gets polluted, this should never throw a CCE
B b = listOfBs.get(0);
@SafeVarargs does not prevent this at all. However, there are methods which provably will not pollute the heap, the compiler just can't prove it. Previously, callers of such APIs would get annoying warnings that were c...
How to make a transparent HTML button?
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edited Aug 12 '16 at 20:49
answered Mar 26 '14 at 20:33
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Run Cron job every N minutes plus offset
*/20 * * * *
3 Answers
3
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Getting random numbers in Java [duplicate]
I would like to get a random value between 1 to 50 in Java.
2 Answers
2
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How to create a custom attribute in C#
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edited Sep 30 '19 at 20:33
zdwyer
431010 bronze badges
answered Feb 2 '11 at 20:40
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