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Assign output to variable in Bash
...254.169.254/latest/dynamic/instance-identity/document' | python -c "import sys, json; print json.load(sys.stdin)['region']")
echo $INSTANCE_REGION
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How to trigger a build only if changes happen on particular set of files
...name}/"
FILTER_PATH="path/to/folder/to/monitor"
python_func="import json, sys
obj = json.loads(sys.stdin.read())
ch_list = obj['changeSet']['items']
_list = [ j['affectedPaths'] for j in ch_list ]
for outer in _list:
for inner in outer:
print inner
"
_affected_files=`curl --silent ${JOB_URL}...
How can I find the number of arguments of a Python function?
...de.co_argcount
or, if the current function name is undetermined:
import sys
sys._getframe().func_code.co_argcount
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What is the difference between Integer and int in Java?
...int is a primitive data type while Integer is a Helper class, it is use to convert for one data type to other.
For example:
double doubleValue = 156.5d;
Double doubleObject = new Double(doubleValue);
Byte myByteValue = doubleObject.byteValue ();
String myString...
Extract numbers from a string
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It's working great. It converts +387 (61) 634-783 string to 38761634783 directly. You don't have to take care of arrays like Gaurav's answer.
– beytarovski
Jul 2 '16 at 13:13
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Bold words in a string of strings.xml in Android
...xtensions functions on resources (activities|fragments |context) that will convert your string to an html span
e.g.
fun Resources.getHtmlSpannedString(@StringRes id: Int): Spanned = getString(id).toHtmlSpan()
fun Resources.getHtmlSpannedString(@StringRes id: Int, vararg formatArgs: Any): Spanned ...
Deleting lines from one file which are in another file
...ay files that aren't too huge? The fear here is (I assume) awk running the system out of system memory to create the hash, or is there some other limitation?
– rogerdpack
Oct 16 '15 at 16:58
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Adding values to a C# array
...runs = 0; runs < 400; runs++)
{
termsList.Add(value);
}
// You can convert it back to an array if you would like to
int[] terms = termsList.ToArray();
Edit: a) for loops on List<T> are a bit more than 2 times cheaper than foreach loops on List<T>, b) Looping on array is around ...
Scala type programming resources
...version from A to a subtype of B)
an example
more comparison operators
Converting between types and values
In many of the examples, types defined via traits are often both abstract and sealed, and therefore can neither be instantiated directly nor via anonymous subclass. So it is common to use...
How to execute XPath one-liners from shell?
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One package that is very likely to be installed on a system already is python-lxml. If so, this is possible without installing any extra package:
python -c "from lxml.etree import parse; from sys import stdin; print '\n'.join(parse(stdin).xpath('//element/@attribute'))"
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