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How to drop columns using Rails migration
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938
remove_column :table_name, :column_name
For instance:
remove_column :users, :hobby
would r...
while (1) vs. while(True) — Why is there a difference (in python 2 bytecode)?
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3 Answers
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Active
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PHP equivalent of .NET/Java's toString()
...hing (arrays+objects+whatever) to a string?
– ripper234
Jan 3 '13 at 15:42
3
This is the answer -...
How do I include a pipe | in my linux find -exec command?
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Perception
73.9k1414 gold badges167167 silver badges184184 bronze badges
answered Nov 20 '08 at 22:42
Rolf W. Ras...
Can Flask have optional URL parameters?
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363
Another way is to write
@user.route('/<user_id>', defaults={'username': None})
@user.ro...
How do I run a simple bit of code in a new thread?
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341
Good place to start reading is Joe Albahari.
If you want to create your own thread, this is a...
Javascript equivalent of Python's zip function
...ion(array){return array[i]})
});
}
// > zip([1,2],[11,22],[111,222,333])
// [[1,11,111],[2,22,222]]]
// > zip()
// []
This will mimic Python's itertools.zip_longest behavior, inserting undefined where arrays are not defined:
function zip() {
var args = [].slice.call(arguments);
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Elastic Search: how to see the indexed data
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edited Jun 29 '14 at 13:59
notapatch
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answere...
How to break out from a ruby block?
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the Tin Man
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answered Sep 10 '09 at 0:02
JRLJRL
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How do you test that a Python function throws an exception?
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13 Answers
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