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When should I choose Vector in Scala?
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edited May 3 '14 at 23:00
simbo1905
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How can I add a third button to an Android Alert Dialog?
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137
This code snippet should help explain the three different buttons you can use:
alertDialog...
Java 8 stream reverse order
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edited Jan 29 '16 at 18:31
answered Jun 3 '14 at 9:13
Stu...
Placement of the ng-app directive (html vs body)
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3 Answers
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Append an element with fade in effect [jQuery]
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$(html).hide().appendTo("#mycontent").fadeIn(1000);
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Rails has_and_belongs_to_many migration
...First run your migrations, then edit the generated migration file.
Rails 3
rails g migration create_restaurants_users_table
Rails 4:
rails g migration create_restaurants_users
Rails 5
rails g migration CreateJoinTableRestaurantUser restaurants users
From the docs:
There is also a gene...
jquery-ui sortable | How to get it work on iPad/touchdevices?
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3 Answers
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Two versions of python on linux. how to make 2.7 the default
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You probably don't actually want to change your default Python.
Your distro installed a standar...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...e (just don't look at me when they're not as fast :)
Options
Low Memory (32-bit int, 32-bit machine)(from here):
unsigned int
reverse(register unsigned int x)
{
x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));
x = (((x & 0xcccccccc) >> 2) | ((x & ...
Why not use Double or Float to represent currency?
...ately represent most simple fractions. For instance, you can't represent 1/3: the decimal representation is repeating (0.3333...), so there is no finite integer that you can multiply by a power of 10 to get 1/3. You could settle on a long sequence of 3's and a small exponent, like 333333333 * 10-10,...