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Rails: fields_for with index?
... many years ago, for a modern approach see:
https://stackoverflow.com/a/22640703/105403
This would actually be a better approach, following Rails documentation more closely:
<% @questions.each.with_index do |question,index| %>
<% f.fields_for :questions, question do |fq| %>
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How do I restore a missing IIS Express SSL Certificate?
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194
After going to Add/Remove Programs and choosing the "Repair" option on IIS Express, the certific...
How can I pretty-print JSON in a shell script?
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4550
With Python 2.6+ you can just do:
echo '{"foo": "lorem", "bar": "ipsum"}' | python -m json...
Gradle store on local file system
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rodionrodion
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Determine installed PowerShell version
...ble.PSVersion
Major Minor Build Revision
----- ----- ----- --------
4 0 -1 -1
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How to take the first N items from a generator or list in Python? [duplicate]
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edited Jun 11 '16 at 4:17
answered Mar 8 '11 at 15:00
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Python Linked List
...ked list in python? In scheme, a linked list is defined simply by '(1 2 3 4 5) . Python's lists, [1, 2, 3, 4, 5] , and tuples, (1, 2, 3, 4, 5) , are not, in fact, linked lists, and linked lists have some nice properties such as constant-time concatenation, and being able to reference separate par...
Iterate a list as pair (current, next) in Python
...ators:
def threes(iterator):
"s -> (s0,s1,s2), (s1,s2,s3), (s2, s3,4), ..."
a, b, c = itertools.tee(iterator, 3)
next(b, None)
next(c, None)
next(c, None)
return zip(a, b, c)
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How can I make Bootstrap columns all the same height?
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Solution 4 using Bootstrap 4
Bootstrap 4 uses Flexbox so there is no need for extra CSS.
Demo
<div class="container">
<div class="row ">
<div class="col-md-4" style="background-color: red">
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What is the advantage to using bloom filters?
...re. If a 1% false
positive rate seems too high, each
time we add about 4.8 bits per element
we decrease it by ten times.
Pretty clear to me.
A bloom filter doesn't store the elements themselves, this is the crucial point. You don't use a bloom filter to test if an element is present, you us...