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Python: using a recursive algorithm as a generator
...ontrivial constraints. The problem came with a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of using it to fill a list with all the sequences.
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Use jQuery to change an HTML tag?
...here are going to be casualties. i'm sure there is someone out there who knows the relevant jquery to clone the events :)
– Orwellophile
Dec 27 '13 at 23:08
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Can I use if (pointer) instead of if (pointer != NULL)?
...rived_ptr != nullptr) { ... }
(or, preferrably, auto derived_ptr = ...). Now, this is bad, because it leaves the (possibly invalid, i.e. null) derived pointer outside of the safety-guarding if block's scope. This isn't necessary, as C++ allows you to introduce boolean-convertable variables inside ...
What is the 'pythonic' equivalent to the 'fold' function from functional programming?
...better way to write your foldr: reduce(lambda y, x: x**y, reversed(a)). It now has a more natural usage, works with iterators, and consumes less memory.
– Mateen Ulhaq
Oct 20 '18 at 2:12
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Swift how to sort array of custom objects by property value
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do you now need to do images.sortInPlace({ $0.fileID > $1.fileID })?
– Taylor M
Sep 30 '15 at 21:21
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Accessing nested JavaScript objects and arays by string path
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Anyone know how to port this to TypeScript?
– Adam Plocher
Jul 31 '17 at 14:05
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Best way to do multiple constructors in PHP
...l properties from array
}
}
?>
Then if i want a Student where i know the ID:
$student = Student::withID( $id );
Or if i have an array of the db row:
$student = Student::withRow( $row );
Technically you're not building multiple constructors, just static helper methods, but you get to ...
Python int to binary string?
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Of course, with python 3.6+ you can now use f"{37:b}".
– Luke Davis
Nov 6 '17 at 6:48
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When would I use XML instead of SQL? [closed]
I've been working on database-driven web applications for a few years now and recently took on a project involving a CMS that is XML-capable. This has led me to think about the usage of XML/XSLT in general and in what situations it would be more useful than the approach I've always used, which is st...
Web Config Transformation to add a child element
... to do it using XSLT then here is some guidance as I don't have time right now to knock this out.
Look up the identity transform. That will give you a simple XSLT that duplicates exactly what reads.
Add a template above the generic templates with the following match match="add[@name='MvcRoutingS...