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In Ruby, how do I skip a loop in a .each loop, similar to 'continue' [duplicate]
...
Use next:
(1..10).each do |a|
next if a.even?
puts a
end
prints:
1
3
5
7
9
For additional coolness check out also redo and retry.
Works also for friends like times, upto, downto, each_with_index, select, map and other iterator...
What is an efficient way to implement a singleton pattern in Java? [closed]
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Stephen DenneStephen Denne
32.8k1010 gold badges4141 silver badges5959 bronze badges
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SVN: Is there a way to mark a file as “do not commit”?
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Joshua McKinnonJoshua McKinnon
23.2k1010 gold badges5252 silver badges6060 bronze badges
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Generate random integers between 0 and 9
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2106
Try:
from random import randrange
print(randrange(10))
Docs: https://docs.python.org/3/librar...
How to iterate over arguments in a Bash script
...dir/myfile"
$ ls -Fltr
total 0
drwxr-xr-x 3 jleffler staff 102 Nov 1 14:55 my dir/
drwxr-xr-x 3 jleffler staff 102 Nov 1 14:55 anotherdir/
$ ls -Fltr *
my dir:
total 0
-rw-r--r-- 1 jleffler staff 0 Nov 1 14:55 my file
anotherdir:
total 0
-r...
Interfaces with static fields in java for sharing 'constants'
...antiated. ;)
– Peter Lawrey
Dec 30 '10 at 20:59
5
But why implementing those interfaces in the fi...
Simple explanation of MapReduce?
... away the very concept of looping. In Google's scenario they probably have 1000s of machines for calculating pageranks, links and whatnot. What do they do when they need to add a few more servers? Modifying every single looping code is probably not an option. So what they did is that they write thei...
Difference between a “coroutine” and a “thread”?
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answered Dec 20 '09 at 3:10
Alex MartelliAlex Martelli
724k148148 gold badges11261126 silver badges13241324 bronze badges
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HTML Script tag: type or language (or omit both)?
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gregers
10.2k88 gold badges4040 silver badges4040 bronze badges
answered Feb 15 '10 at 16:50
MatchuMatchu
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Go Error Handling Techniques [closed]
...onad, if you squint at it a bit. Comparing it to en.wikipedia.org/wiki/Null_Object_pattern is more useful, I think.
– user7610
Jan 17 '16 at 18:48
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