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How do I interpret precision and scale of a number in a database?
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How to check if a value exists in a dictionary (python)
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>>> d = {'1': 'one', '3': 'three', '2': 'two', '5': 'five', '4': 'four'}
>>>...
How to dynamically build a JSON object with Python?
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Dan Loughney
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answered Apr 16 '14 at 13:07
Martijn Pieters♦Mar...
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...
How to get the home directory in Python?
...rom os.path import expanduser
home = expanduser("~")
If you're on Python 3.5+ you can use pathlib.Path.home():
from pathlib import Path
home = str(Path.home())
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What does an Asterisk (*) do in a CSS selector?
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edited Jul 30 '09 at 3:43
answered Jul 30 '09 at 3:18
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How to add additional fields to form before submit?
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163
Yes.You can try with some hidden params.
$("#form").submit( function(eventObj) {
$("<...
printf format specifiers for uint32_t and size_t
...me as unsigned long (possibly 64 bits) when it's actually an unsigned int (32 bits). Try using %zu in both cases.
I'm not entirely certain though.
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XPath: select text node
...re NovatchevDimitre Novatchev
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Constructor initialization-list evaluation order
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