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Reading a string with scanf
...0]). On the other hand, scanf("%s", &string) passes a pointer-to-char[256], but it points to the same place.
Then scanf, when processing the tail of its argument list, will try to pull out a char *. That's the Right Thing when you've passed in string or &string[0], but when you've passed in...
delete_all vs destroy_all?
...w.
– Dylan Markow
Jul 14 '11 at 19:15
suppose i'm running a before_destroy method in the model - if i use delete_all t...
How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
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Ruby: How to iterate over a range, but in set increments?
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See http://ruby-doc.org/core/classes/Range.html#M000695 for the full API.
Basically you use the step() method. For example:
(10..100).step(10) do |n|
# n = 10
# n = 20
# n = 30
# ...
end
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Join strings with a delimiter only if strings are not null or empty
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community wiki
5 revs, 2 users 98%georg
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Why doesn't c++ have &&= or ||= for booleans?
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edited Feb 8 '19 at 16:45
answered Mar 21 '10 at 20:02
Ko...
ActiveRecord: size vs count
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353
You should read that, it's still valid.
You'll adapt the function you use depending on your ne...
SBT stop run without exiting
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edited Jul 26 '13 at 16:50
Eugene Yokota
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How to get a index value from foreach loop in jstl
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