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The shortest possible output from git log containing author and date
How can I show a git log output with (at least) this information:
13 Answers
13
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GNU Makefile rule generating a few targets from a single source file
... a single input file and generates two output files. A dumb Makefile rule for this would be:
8 Answers
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How to get nth jQuery element
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Why not browse the (short) selectors page first?
Here it is: the :eq() operator. It is used just like get(), but it returns the jQuery object.
Or you can use .eq() function too.
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All but last element of Ruby array
... # => [1, 2, 3, 4]
a.first a.size - 1 # => [1, 2, 3]
or
a.take 3
or
a.first 3
or
a.pop
which will return the last and leave the array with everything before it
or make the computer work for its dinner:
a.reverse.drop(1).reverse
or
class Array
def clip n=1
ta...
What is the difference between Views and Materialized Views in Oracle?
What is the difference between Views and Materialized Views in Oracle?
8 Answers
8
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Make git automatically remove trailing whitespace before committing
... logs, merges, etc. I'm assuming that the easiest way to do this would be for git to automatically remove trailing whitespace (and other whitespace errors) from all commits as they are applied.
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How do I use a PriorityQueue?
How do I get a PriorityQueue to sort on what I want it to sort on?
12 Answers
12
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Normal arguments vs. keyword arguments
How are "keyword arguments" different from regular arguments? Can't all arguments be passed as name=value instead of using positional syntax?
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Is object empty? [duplicate]
What is the fastest way to check if an object is empty or not?
23 Answers
23
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How to get a random number in Ruby
...ed a random float, just call rand with no arguments.
As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that Marc-André himself helped to debug, hence the 1.9.2 target for that feature).
For instance, in this game where you need to guess ...