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Extract elements of list at odd positions
... second at 1 etc.):
1, 3, 5
so the result (actual numbers) will be:
2, 4, 6
Explanation
The [1::2] at the end is just a notation for list slicing. Usually it is in the following form:
some_list[start:stop:step]
If we omitted start, the default (0) would be used. So the first element (at po...
difference between foldLeft and reduceLeft in Scala
...ultingTuple, currentInteger) =>
(currentInteger :: resultingTuple._1, currentInteger + resultingTuple._2)
}
This method takes a List[Int] and returns a Tuple2[List[Int], Int] or (List[Int], Int). It calculates the sum and returns a tuple with a list of integers and it's sum. By the way th...
Loading and parsing a JSON file with multiple JSON objects
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edited May 23 '17 at 11:47
Community♦
111 silver badge
answered Sep 16 '12 at 23:08
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Passing variables through handlebars partial
...tests for these scenarios: https://github.com/wycats/handlebars.js/blob/ce74c36118ffed1779889d97e6a2a1028ae61510/spec/qunit_spec.js#L456-L462
https://github.com/wycats/handlebars.js/blob/e290ec24f131f89ddf2c6aeb707a4884d41c3c6d/spec/partials.js#L26-L32
...
Extracting .jar file with command line
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acdcjunior
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answered Dec 10 '11 at 1:13
AusCBlokeAusCBloke
...
How to enumerate an enum with String type?
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42 Answers
42
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Get the Last Inserted Id Using Laravel Eloquent
...
404
After save, $data->id should be the last id inserted.
$data->save();
$data->id;
Ca...
What's the best way to validate an XML file against an XSD file?
...d:
// URL schemaFile = new URL("http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd");
// local file example:
// File schemaFile = new File("/location/to/localfile.xsd"); // etc.
Source xmlFile = new StreamSource(new File("web.xml"));
SchemaFactory schemaFactory = SchemaFactory
.newInstance(XMLCons...
Check if a variable is a string in JavaScript
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1804
You can use typeof operator:
var booleanValue = true;
var numericalValue = 354;
var stringValu...
How to 'bulk update' with Django?
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edited Apr 21 at 14:13
Flimm
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answe...