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Remove multiple keys from Map in efficient way?
...et returns a Set view of the keys contained in this map. The set is backed by the map, so changes to the map are reflected in the set, and vice-versa.
Contrived example:
Map<String, String> map = new HashMap<>();
map.put("a", "");
map.put("b", "");
map.put("c", "");
Set<String>...
How to navigate through the source code by parts in CamelCase (instead of whole words)?
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CamelHumps makes Ctrl+Right, Ctrl+Left jump by camel humps. How can I still have both functionalities, i.e. jump by words and by CamelHumps with different keys?
– mafonya
Jul 31 '13 at 13:16
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Overwriting my local branch with remote branch [duplicate]
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I did this with one slight change and it didn't work: git fetch --all, git reset --hard SHA1OFANOLDCOMMIT, (some other stuff), git reset --hard origin/branch. The end result was that I was still at the old commit. So, this appro...
Scala underscore - ERROR: missing parameter type for expanded function
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Image Get Requests with AngularJS
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$routeParams doesn't work in resolve function
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How to reset a single table in rails?
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In case anyone tried this and got an error, I did ActiveRecord::Base.connection.execute("DELETE from 'yourtablename'") and it worked because it would give me an error that said sqlite_sequence where name = 'yourtablename' is not a valid table name or something like that.
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Rails: select unique values from a column
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I did a: group(:rating).collect { |r| r.rating } Since map == collect, where can I read about this sintax you used (&:rating)? I don't see this in Ruby's documentation.
– alexandrecosta
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Pythonic way to add datetime.date and datetime.time objects
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How to retrieve a single file from a specific revision in Git?
...sion, meaning you can use any of the following:
branch name (as suggested by ash)
HEAD + x number of ^ characters
The SHA1 hash of a given revision
The first few (maybe 5) characters of a given SHA1 hash
Tip It's important to remember that when using "git show", always specify a path from the root...