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Git: Set up a fetch-only remote?
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edited Apr 22 '15 at 20:31
gunr2171
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Git update submodules recursively
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drewagdrewag
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What's the (hidden) cost of Scala's lazy val?
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edited Feb 20 '14 at 20:33
vergenzt
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Select random lines from a file
...DomainsFeatured
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answered Feb 25 '13 at 11:03
dogbanedogbane
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How to find the size of an array in postgresql
...in a single or multidimensional array. So select cardinality(ARRAY[[1,2], [3,4]]); would return 4, whereas select array_length(ARRAY[[1,2], [3,4]], 1) would return 2. If you're counting the first dimension, array_length is a safer bet.
– Roshambo
Sep 20 '17 at ...
How do Trigonometric functions work?
...ndard interval. For starters, you could reduce angles to be between 0 and 360 degrees. But by using a few identities, you realize you could get by with less. If you calculate sines and cosines for angles between 0 and 45 degrees, you can bootstrap your way to calculating all trig functions for all...
Multiple Parameters for jQuery selector?
...#id .class')
– chobo2
Apr 20 '10 at 3:22
That really is backwards from what you would have thought looking at the sour...
Parse JSON in JavaScript? [duplicate]
...gramming for an ancient browser, such as IE 7 (2006), IE 6 (2001), Firefox 3 (2008), Safari 3.x (2009), etc. Alternatively, you may be in an esoteric JavaScript environment that doesn't include the standard APIs. In these cases, use json2.js, the reference implementation of JSON written by Douglas C...