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How do you rename a table in SQLite 3.0?
How do you rename a table in SQLite 3.0?
2 Answers
2
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How does Django's Meta class work?
...:55
Moon
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answered Apr 27 '12 at 3:04
TadeckTadeck
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Change a column type from Date to DateTime during ROR migration
...ge_date_format_in_my_table
Then in your migration file:
For Rails >= 3.2:
class ChangeDateFormatInMyTable < ActiveRecord::Migration
def up
change_column :my_table, :my_column, :datetime
end
def down
change_column :my_table, :my_column, :date
end
end
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How can I get nth element from a list?
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Look here, the operator used is !!.
I.e. [1,2,3]!!1 gives you 2, since lists are 0-indexed.
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In CMake, how can I test if the compiler is Clang?
...also work correctly if a compiler wrapper like ccache is used.
As of CMake 3.0.0 the CMAKE_<LANG>_COMPILER_ID value for Apple-provided Clang is now AppleClang. To test for both the Apple-provided Clang and the regular Clang use the following if condition:
if (CMAKE_CXX_COMPILER_ID MATCHES "Cla...
Setting href attribute at runtime
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379
To get or set an attribute of an HTML element, you can use the element.attr() function in jQue...
Flatten an Array of Arrays in Swift
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Swift >= 3.0
reduce:
let numbers = [[1,2,3],[4],[5,6,7,8,9]]
let reduced = numbers.reduce([], +)
flatMap:
let numbers = [[1,2,3],[4],[5,6,7,8,9]]
let flattened = numbers.flatMap { $0 }
joined:
let numbers = [[1,2,3],[4],[5,6,7...
How to abandon a hg merge?
...iscard uncommitted changes with the -C (or --clean) flag:
hg update -C -r 3
BEWARE: Everything that was not committed will be gone!
After that you should probably use some kind of code formatter tool to do the entire operation, or at least some find and replace with regular expressions. Somethin...
What is the difference between ui-bootstrap-tpls.min.js and ui-bootstrap.min.js?
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3 Answers
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