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Rails detect if request was AJAX
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249
You can check for a header[X-Requested-With] to see if it is an AJAX request. Here is a good a...
Adding git branch on the Bash command prompt
...ple (Mac OS X 10.15):
$ find / -name 'git-prompt.sh' -type f -print -quit 2>/dev/null
/Library/Developer/CommandLineTools/usr/share/git-core/git-prompt.sh
Option 2: Pull the script from GitHub.
Next, add the following line to your .bashrc/.zshrc:
source ~/.git-prompt.sh
Finally, change you...
Troubleshooting “The use statement with non-compound name … has no effect”
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answered Feb 16 '12 at 18:42
Lightness Races in OrbitLightness Races in Orbit
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Testing modules in rspec
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221
The rad way =>
let(:dummy_class) { Class.new { include ModuleToBeTested } }
Alternativel...
Iterate a list as pair (current, next) in Python
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132
Here's a relevant example from the itertools module docs:
import itertools
def pairwise(iterabl...
git rebase, keeping track of 'local' and 'remote'
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247
TL;DR;
To summarize (As Benubird comments), when:
git checkout A
git rebase B # rebase ...
Validate uniqueness of multiple columns
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321
You can scope a validates_uniqueness_of call as follows.
validates_uniqueness_of :user_id, :s...
Append integer to beginning of list in Python [duplicate]
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>>>var=7
>>>array = [1,2,3,4,5,6]
>>>array.insert(0,var)
>>>array
[7, 1, 2, 3, 4, 5, 6]
How it works:
array.insert(index, value)
Insert an item at a given position. The first argument is the index of the element before which t...
How do I convert an HttpRequestBase into an HttpRequest object?
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edited Sep 21 '09 at 1:54
answered Sep 21 '09 at 1:44
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Can I change the fill color of an svg path with CSS?
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225
Yes, you can apply CSS to SVG, but you need to match the element, just as when styling HTML. ...