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Difference between rake db:migrate db:reset and db:schema:load
...atabases.rake (for Rails 3.2.x) and https://github.com/rails/rails/blob/v4.0.5/activerecord/lib/active_record/railties/databases.rake (for Rails 4.0.x)
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Docker: adding a file from a parent directory
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– Marcel Hernandez
Mar 25 '16 at 20:31
Not that I know of. You could push the image to the registry instead of using...
How to insert text into the textarea at the current cursor position?
...d others
else if (myField.selectionStart || myField.selectionStart == '0') {
var startPos = myField.selectionStart;
var endPos = myField.selectionEnd;
myField.value = myField.value.substring(0, startPos)
+ myValue
+ myField.value.substring(endPos, ...
What's the difference between Application.ThreadException and AppDomain.CurrentDomain.UnhandledExcep
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edited Apr 25 '14 at 7:02
answered Jan 6 '10 at 17:03
Ha...
generate model using user:references vs user_id:integer
...un the migration. In rails console, you can see that this is the case:
:001 > Micropost
=> Micropost(id: integer, user_id: integer, created_at: datetime, updated_at: datetime)
The second command adds a belongs_to :user relationship in your Micropost model whereas the first does not. When...
How to kill zombie process
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edited Mar 11 at 13:00
answered Jun 5 '13 at 16:17
Wi...
What column type/length should I use for storing a Bcrypt hashed password in a Database?
... $
a 53 characters long base-64-encoded value (they use the alphabet ., /, 0–9, A–Z, a–z that is different to the standard Base 64 Encoding alphabet) consisting of:
22 characters of salt (effectively only 128 bits of the 132 decoded bits)
31 characters of encrypted output (effectively only 18...
How does the HyperLogLog algorithm work?
...eam is 2^(size of the prefix).
That is, in a random stream of integers, ~50% of the numbers (in binary) starts with "1", 25% starts with "01", 12,5% starts with "001". This means that if you observe a random stream and see a "001", there is a higher chance that this stream has a cardinality of 8.
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Find the similarity metric between two strings
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How to change the default charset of a MySQL table?
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If you want to change the table default character set and all character columns to a new chara...