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Retrieving the text of the selected in element
...b's answer below for a nice HTML5 one-liner.
– Christallkeks
Jan 17 '18 at 0:42
1
@Christallkeks ...
Detach many subdirectories into a new, separate Git repository
...mp;& git reset -q $GIT_COMMIT -- apps/AAA libs/XXX' --prune-empty -- --all
As mentioned by void.pointer in his/her comment, this will remove everything except apps/AAA and libs/XXX from current repository.
Prune empty merge commits
This leaves behind lots of empty merges. These can be remove...
Is it possible to refresh a single UITableViewCell in a UITableView?
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The OP isn't animating anything, so there's no need to call the begin/endupdates
– kubi
Jul 15 '13 at 17:38
2
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Javascript add leading zeroes to date
... Very nice way of doing it. I think the accepted answer is really nice, but this even cleaner in my opinion
– Binke
Jan 19 '16 at 10:52
1
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How to add elements of a Java8 stream into an existing List
...ting collection.
The reason is that collectors are designed to support parallelism, even over collections that aren't thread-safe. The way they do this is to have each thread operate independently on its own collection of intermediate results. The way each thread gets its own collection is to call ...
Change text color of one word in a TextView
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Fixed, thanks! I don't recall if I copied this from actual code or from memory with a color generator website so it might not have worked before.
– Dan
May 14 '12 at 19:16
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embedding image in html email
...ted html email with embedded gif images. This email is generated using Oracle PL/SQL. My attempts have failed, with the image showing up as a red X (in Outlook 2007 and yahoo mail)
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Efficient way to remove keys with empty strings from a dict
I have a dict and would like to remove all the keys for which there are empty value strings.
17 Answers
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How to include js file in another js file? [duplicate]
...swered Jan 8 '11 at 15:49
Matt BallMatt Ball
323k8585 gold badges598598 silver badges672672 bronze badges
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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
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add_column :status, :string, :default => "P"
....
OR
You can use a callback, before_save
class Task < ActiveRecord::Base
before_save :default_values
def default_values
self.status ||= 'P' # note self.status = 'P' if self.status.nil? might be safer (per @frontendbeauty)
end
end
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