大约有 19,000 项符合查询结果(耗时:0.0462秒) [XML]
Divide a number by 3 without using *, /, +, -, % operators
...0*3 + a/100*3 + a/1000*3 + (..). In binary it's almost the same: 1 / 3 = 0.0101010101 (base 2), which leads to a / 3 = a/4 + a/16 + a/64 + (..). Dividing by 4 is where the bit shift comes from. The last check on num==3 is needed because we've only got integers to work with.
– Y...
How do you create a transparent demo screen for an Android app?
...r.
– Benito Bertoli
Aug 31 '12 at 8:01
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Why is reading lines from stdin much slower in C++ than Python?
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einpoklum
76.5k3535 gold badges190190 silver badges393393 bronze badges
answered Feb 21 '12 at 3:24
Vaughn CatoVaughn Cato
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How do function pointers in C work?
...b\x5c\x24\x08\x8b\x00\x8b\x1b\x31\xc3\x31\xd8\x31\xc3\x8b\x4c\x24\x04\x89\x01\x8b\x4c\x24\x08\x89\x19\xc3 <- This swaps the values of a and b")(&a,&b);
Write a for-loop counter to 1000, calling some function each time
((int(*)())"\x66\x31\xc0\x8b\x5c\x24\x04\x66\x40\x50\xff\xd3\x58\x66\...
Enum ToString with user friendly strings
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answered Jan 26 '09 at 11:01
Ray BooysenRay Booysen
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How can I test that a value is “greater than or equal to” in Jasmine?
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AndrewAndrew
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In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
...e 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 get a random number in Ruby
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answered May 5 '10 at 14:01
Marc-André LafortuneMarc-André Lafortune
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Throwing exceptions from constructors
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Darren Cook
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answered May 1 '09 at 10:02
NaveenNaveen
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Difference between static class and singleton pattern?
...methods.
– Jon Skeet
Sep 7 '13 at 8:01
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@AmirBareket: It's not a singleton according to the sin...
