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Ternary operator (?:) in Bash
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why the [[ and ]] ? it works just as well like this : [ $b = 5 ] && a="$c" || a="$d"
– kdubs
Oct 29 '14 at 14:57
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Find the similarity metric between two strings
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Interesting article and tool: chairnerd.seatgeek.com/…
– Anthony Perot
Jan 5 '16 at 19:04
7
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CSS Box Shadow Bottom Only [duplicate]
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Just in case anyone wants to understand why this works: * The first value sets the x-offset of the light source to 0. * The second value sets y-offset of the light source to +4. * The third value sets a blur effects of 2px. (Makes the shadow non-uniform). * The...
What's the difference between $evalAsync and $timeout in AngularJS?
I've been using AngularJS for a little while now, and have found the need to use $timeout every once in a while (Seems to usually be to init a jQuery plugin).
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When should I use a composite index?
..._C )
will benefit a query that uses those fields for joining, filtering, and sometimes selecting. It will also benefit queries that use left-most subsets of columns in that composite. So the above index will also satisfy queries that need
index( column_A, column_B, column_C )
index( column_A, col...
ImportError: No module named matplotlib.pyplot
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You have two pythons installed on your machine, one is the standard python that comes with Mac OSX and the second is the one you installed with ports (this is the one that has matplotlib installed in its library, the one that comes with macosx does not).
/usr/bin/python
Is the stand...
Find the Smallest Integer Not in a List
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If the datastructure can be mutated in place and supports random access then you can do it in O(N) time and O(1) additional space. Just go through the array sequentially and for every index write the value at the index to the index specified by value, recursively placin...
UIImageView aspect fit and center
I have an image view, declared programmatically, and I am setting its image, also programmatically.
10 Answers
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How to programmatically round corners and set random background colors
I'd like to round the corners of a view and also change the color of the view based on the contents at runtime.
8 Answers
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Iterate through pairs of items in a Python list [duplicate]
... the advantage that this works on iterators is that this does not require random access into a stream of data (i.e. array access); rather, it only needs to ingest each item once, and caches it for the next evaluation. So if you have, say, a Twitter firehose, you don't ever need to read the firehose ...