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What does the “map” method do in Ruby?
..., convert each element by some rule
names.map! {|name| name.capitalize } # now names contains ['Danil', 'Edmund']
names.each { |name| puts name + ' is a programmer' } # here we just do something with each element
The output:
Danil is a programmer
Edmund is a programmer
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Get the name of the currently executing method
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Great solution Mark The best solution at now. Great job
– jonathanccalixto
Sep 19 '16 at 8:13
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HTML table headers always visible at top of window when viewing a large table
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Could you add a fiddle with a working code? (I know that there is in the site...)
– Michel Ayres
Mar 14 '14 at 14:53
12
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How do I change Bootstrap 3 column order on mobile layout?
... I have been wondering what the push and pull classes are good for - now I know. Thanks.
– cdonner
May 25 '14 at 17:21
29
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Add custom icons to font awesome
...ab, fas, far, fal) you'll be at greater risk of a naming conflict—if not now, then possibly in the future as we continue adding icons with those standard prefixes. Using a custom prefix won't make an svg any less likely to "fit into the website"—but I'm not sure what you mean by that phrase, so ...
Add to Array jQuery
I know how to initliaize one but how do add I items to an Array? I heard it was push() maybe? I can't find it...
4 Answer...
Why does one hot encoding improve machine learning performance?
... the constraint w×x + b > 0, or equivalently w×x < b.
The problem now is that the weight w cannot encode a three-way choice. The three possible values of w×x are 0, w and 2×w. Either these three all lead to the same decision (they're all < b or ≥b) or "UK" and "French" lead to the sa...
Should the hash code of null always be zero, in .NET
...m, either re-implement the hash code to return non-zero, add a default "unknown" enum entry equivalent to null, or simply don't use nullable enums.
Interesting find, by the way.
Another problem I see with this generally is that the hash code cannot represent a 4 byte or larger type that is nullabl...
Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?
I would like to know when do we need to place a file under
5 Answers
5
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jQuery AJAX cross domain
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It's 2016. CORS is now a widely supported standard, as opposed to JSONP which can only be described as a hack. @joshuarh's answer below should be the preferred one now.
– Vicky Chijwani
Jul 20 '16 at 9:16
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