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Can I zip more than two lists together in Scala?
...s of arbitrary size, but the transpose function does exactly what you need if you don't mind getting a list of lists instead.
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Scala: What is the difference between Traversable and Iterable traits in Scala collections?
I have looked at this question but still don't understand the difference between Iterable and Traversable traits. Can someone explain ?
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The order of elements in Dictionary
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If you want the elements ordered, use an OrderedDictionary. An ordinary hastable/dictionary is ordered only in some sense of the storage layout.
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Are trailing commas in arrays and objects part of the spec?
...s: ECMAScript 5 and ECMAScript 3
Section 11.1.5 in the ECMAScript 5 specification:
ObjectLiteral :
{ }
{ PropertyNameAndValueList }
{ PropertyNameAndValueList , }
So yes, it is part of the specification.
Update: Apparently this is new in ES5. In ES3 (page 41), the definition was...
R object identification
...26, e=letters))
data(cars)
obj <- lm(dist ~ speed, data=cars)
..etc.
If obj is an S3 or S4 object, you can also try methods or showMethods, showClass, etc. Patrick Burns' R Inferno has a pretty good section on this (sec #7).
EDIT: Dirk and Hadley mention str(obj) in their answers. It really...
How can I change the text inside my with jQuery?
... span').html('baa baa <strong>black sheep</strong>');
text() if just text content. html() if it contains, well, html content.
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Is there any reason to use a synchronous XMLHttpRequest?
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I think they might become more popular as HTML 5 standards progress. If a web application is given access to web workers, I could foresee developers using a dedicated web worker to make synchronous requests for, as Jonathan said, to ensure one request happens before another. With the current ...
pypi UserWarning: Unknown distribution option: 'install_requires'
... Say I want to use pip, then how do I run the setup.py file if I only want to build an extension in-place?
– Fred Foo
May 24 '12 at 11:41
12
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How to find the foreach index?
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definitely, this question isn't very specific, i took it to mean the OP was largely unaware of the $key=>$value syntax
– Owen
Sep 27 '08 at 0:23
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How can I use PHP to dynamically publish an ical file to be read by Google Calendar?
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This should be very simple if Google Calendar does not require the *.ics-extension (which will require some URL rewriting in the server).
$ical = "BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
UID:" . md5(uniqid(m...