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What is the difference between Ruby 1.8 and Ruby 1.9
...in Ruby.
What's changed?
Single character strings.
Ruby 1.9
irb(main):001:0> ?c
=> "c"
Ruby 1.8.6
irb(main):001:0> ?c
=> 99
String index.
Ruby 1.9
irb(main):001:0> "cat"[1]
=> "a"
Ruby 1.8.6
irb(main):001:0> "cat"[1]
=> 97
{"a","b"} No Longer Supported
R...
How can I reorder my divs using only CSS?
... position: relative; }
#firstDiv { position: absolute; height: 100px; top: 110px; }
#secondDiv { position: absolute; height: 100px; top: 0; }
Again, if you don't know the height want for at least #firstDiv, there's no way you can do what you want via CSS alone. If any of this content is dynamic,...
Why do people say there is modulo bias when using a random number generator?
...8 possible outcomes:
000 = 0, 001 = 1, 010 = 2, 011 = 3
100 = 4, 101 = 5, 110 = 6, 111 = 7
We can reduce the size of the outcome set to exactly 6 by taking the value modulo 6, however this presents the modulo bias problem: 110 yields a 0, and 111 yields a 1. This die is loaded.
Potential Solutio...
How do I encode/decode HTML entities in Ruby?
...Successfully installed htmlentities-4.2.4
: jmglov@laurana; irb
irb(main):001:0> require 'htmlentities'
=> []
irb(main):002:0> HTMLEntities.new.decode "¡I'm highly annoyed with character references!"
=> "¡I'm highly annoyed with character references!"
...
How to Compare Flags in C#?
...agTest.Flag1) is a bitwise AND operation.
FlagTest.Flag1 is equivalent to 001 with OP's enum. Now let's say testItem has Flag1 and Flag2 (so it's bitwise 101):
001
&101
----
001 == FlagTest.Flag1
share
...
What is the difference between UTF-8 and Unicode?
... IS a character space from 0x04000000 to 0x7FFFFFFF, or in binary it's 1111110v 10vvvvvv 10vvvvvv 10vvvvvv 10vvvvvv 10vvvvvv - and that's indeed 6 bytes. However, 6 bytes IS the maximum, and not as the article confusingly claims "six bytes or more".
– syntaxerror
...
What is the maximum length of latitude and longitude? [closed]
... 11 km
2 0.0100000 1,105.74 1 km
3 0.0010000 110.57
4 0.0001000 11.06
5 0.0000100 1.11
6 0.0000010 0.11 11 cm
7 0.0000001 0.01 1 cm
Degrees-minute-second (DMS) representation
For DMS notation 1 arc second = ...
Why would finding a type's initializer throw a NullReferenceException?
...ller:
0:000> k3
Child-SP RetAddr Call Site
00000000`001fec70 000007fe`8d450110 mscorlib_ni!System.RuntimeType.GetConstructorImpl(System.Reflection.BindingFlags, System.Reflection.Binder, System.Reflection.CallingConventions, System.Type[], System.Reflection.ParameterModifier[]...
Using group by on multiple columns
...+
| Subject | Semester | Attendee |
+---------+----------+----------+
| ITB001 | 1 | John |
| ITB001 | 1 | Bob |
| ITB001 | 1 | Mickey |
| ITB001 | 2 | Jenny |
| ITB001 | 2 | James |
| MKB114 | 1 | John |
| MKB114 | 1 | Eri...
Javascript shorthand ternary operator
...
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