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What does value & 0xff do in Java?
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173
It sets result to the (unsigned) value resulting from putting the 8 bits of value in the lowest ...
Set value for particular cell in pandas DataFrame using index
...y df.
In [18]: %timeit df.set_value('C', 'x', 10)
100000 loops, best of 3: 2.9 µs per loop
In [20]: %timeit df['x']['C'] = 10
100000 loops, best of 3: 6.31 µs per loop
In [81]: %timeit df.at['C', 'x'] = 10
100000 loops, best of 3: 9.2 µs per loop
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In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
...ize method from 'active_support'.
>> time = Time.new
=> Fri Oct 03 01:24:48 +0100 2008
>> time.strftime("%a %b #{time.day.ordinalize}")
=> "Fri Oct 3rd"
Note, if you are using IRB with Ruby 2.0, you must first run:
require 'active_support/core_ext/integer/inflections'
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How to send email to multiple recipients using python smtplib?
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13 Answers
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How to provide different Android app icons for different gradle buildTypes?
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answered Apr 5 '14 at 3:27
InsanityOnABunInsanityOnABun
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How to format current time using a yyyyMMddHHmmss format?
...eroDay = "02"
stdHour = "15"
stdHour12 = "3"
stdZeroHour12 = "03"
stdMinute = "4"
stdZeroMinute = "04"
stdSecond = "5"
stdZeroSecond = "05"
stdLongYear = "2006"
stdYear = "06"
stdPM ...
Why is a round-trip conversion via a string not safe for a double?
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3 Answers
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How can I map True/False to 1/0 in a Pandas DataFrame?
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AMC
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answered Dec 8 '14 at 16:36
UserUser
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Rebuild IntelliJ project indexes
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263
File -> Invalidate caches...
(Force rebuild of all caches and indices on next startup)
Restar...
What does rake db:test:prepare actually do?
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3 Answers
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