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How to change a nullable column to not nullable in a Rails migration?
...
208
If you do it in a migration then you could probably do it like this:
# Make sure no null valu...
z-index not working with position absolute
...iner {
width: 60px;
height: 22px;
background: #333;
border-radius: 20px;
position: relative;
cursor: pointer;
}
.change .slide {
transform: translateX(33px);
}
.slide {
transition: 0.5s;
width: 20px;
height: 20px;
background: #fff;
border-radius: 20px;
margin: 2px 2px;
...
Declare multiple module.exports in Node.js
...dMethod;?
– YPCrumble
Jun 29 '15 at 20:51
3
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jQuery click events firing multiple times
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answered Feb 20 '13 at 22:31
RobRob
8,92399 gold badges3131 silver badges4949 bronze badges
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Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?
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answered Jan 23 '13 at 20:38
JLRisheJLRishe
86.2k1414 gold badges107107 silver badges141141 bronze badges
...
Change Default Scrolling Behavior of UITableView Section Header
...bottom..
– Joseph Lin
May 11 '11 at 20:35
3
This is creative but you need to do adjust the indexP...
How do I redirect with JavaScript? [duplicate]
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answered Jan 20 '11 at 9:52
seedgseedg
20.4k99 gold badges3636 silver badges5959 bronze badges
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Ruby: Calling class method from instance
... = year, make
end
end
Now let's use our class:
t = Truck.new("Honda", 2000)
t.make
# => "Honda"
t.year
# => "2000"
t = Truck.new
t.make
# => "Toyota"
t.year
# => nil
share
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impro...
Fast way of counting non-zero bits in positive integer
...half again as much time).
On the other hand, gmpy popcount() took about 1/20th of the time of bin(n).count("1"). So if you can install gmpy, use that.
To answer a question in the comments, for bytes I'd use a lookup table. You can generate it at runtime:
counts = bytes(bin(x).count("1") for x in ...
How to list all the files in a commit?
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20
If you want it to work on the root commit, use the --root flag. From the man page: "When --root is specified the initial commit will be sh...