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Immutable vs Mutable types
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233
What? Floats are immutable? But can't I do
x = 5.0
x += 7.0
print x # 12.0
Doesn't that "mut...
Adjusting and image Size to fit a div (bootstrap)
...ts may not be the best looking.
.food1 img {
width:100%;
height: 230px;
}
jsFiddle
...per your comment, you could also just block any overflow - see this example to see an image restricted by height and cut off because it's too wide.
.top1 {
height:390px;
background-color:#FFF...
Is there a way to ignore header lines in a UNIX sort?
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(head -n 2 <file> && tail -n +3 <file> | sort) > newfile
The parentheses create a subshell, wrapping up the stdout so you can pipe it or redirect it as if it had come from a single command.
...
Find value in an array
...rray, and if that's the case, you can use Array#include?(value):
a = [1,2,3,4,5]
a.include?(3) # => true
a.include?(9) # => false
If you mean something else, check the Ruby Array API
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Simple proof that GUID is not unique [closed]
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30 Answers
30
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Change column type from string to float in Pandas
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1337
+200
You ha...
Is there an alternative sleep function in C to milliseconds?
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answered Jul 21 '09 at 3:52
cafcaf
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Twitter bootstrap 3 two columns full height
I'm trying to make two-column full-height layout with twitter bootstrap 3. It seems that twitter bootstrap 3 does not support full height layouts.
What I want to do:
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Bootstrap NavBar with left, center or right aligned items
...;
</div>
<div class="navbar-collapse collapse w-100 order-3 dual-collapse2">
<ul class="navbar-nav ml-auto">
<li class="nav-item">
<a class="nav-link" href="#">Right</a>
</li>
<li class="...
Twitter Bootstrap 3.0 how do I “badge badge-important” now
...h!</span>
Or where things are bigger:
<div style="font-size: 36px"><!-- pretend an enclosing class has big font size -->
<span class="label label-success label-as-badge">Yay! Rah!</span>
</div>
11/16/2015: Looking at how we'll do this in Bootstrap 4...