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How do you downgrade rubygems?
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15
This just worked for me on OSX to get from 1.5.0 back to 1.4.2
sudo gem uninstall -v '1.5.0' r...
How do I bottom-align grid elements in bootstrap fluid layout
...a/2969091/244811
– Scott Weaver
Jan 15 '13 at 4:46
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unable to locate nuget.exe when building webservice on appharbor
... so much - I love SO
– adaam
Mar 1 '15 at 14:37
2
What a gem, cant wait for this issue to come up...
Use logging print the output of pprint
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215
Use pprint.pformat to get a string, and then send it to your logging framework.
from pprint im...
anchor jumping by using javascript
... brasofilo
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answered Dec 6 '12 at 2:53
Derek 朕會功夫Derek 朕會功夫
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Latest jQuery version on Google's CDN
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edited Jul 24 '15 at 14:23
answered Sep 26 '12 at 18:39
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To find whether a column exists in data frame or not
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edited Apr 28 '12 at 15:09
answered Apr 23 '12 at 7:03
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Copying files from host to Docker container
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basickarl
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answered Aug 12 '15 at 17:25
0x7d7b0x7d7b
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How can I merge two hashes without overwritten duplicate keys in Ruby?
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answered Dec 30 '09 at 15:45
Alex ReisnerAlex Reisner
27k66 gold badges5151 silver badges5252 bronze badges
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Bitwise operation and usage
...xample is if you only want the lower 4 bits of an integer, you AND it with 15 (binary 1111) so:
201: 1100 1001
AND 15: 0000 1111
------------------
IS 9 0000 1001
The zero bits in 15 in that case effectively act as a filter, forcing the bits in the result to be zero as well.
In addition...