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How do you 'redo' changes after 'undo' with Emacs?
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To undo: C-_
To redo after a undo: C-g C-_
Type multiple times on C-_ to redo what have been undone by C-_
To redo an emacs command multiple times, execute your command then type C-xz and then type many times on z key to repea...
How do I get a class instance of generic type T?
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edited Dec 24 '14 at 10:32
answered Mar 26 '14 at 23:20
d...
What is difference between instantiating an object using new vs. without
... Manoj RManoj R
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List View Filter Android
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
How to write DataFrame to postgres table?
There is DataFrame.to_sql method, but it works only for mysql, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine.
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Ruby on Rails: How can I revert a migration with rake db:migrate?
...ake db:migrate VERSION=<version number>
– Ajedi32
Jun 3 '13 at 19:06
3
At least for rails 3...
Maven: how to do parallel builds?
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JonnyRaaJonnyRaa
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Add new item in existing array in c#.net
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– dblood
Jun 14 '12 at 14:32
This is very useful found it whilst searching for "how to append to an array in...
How to cast List to List
...n also upcast to (List) instead of to (Object).
– 200_success
Feb 15 '16 at 11:12
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Possible heap pollution via varargs parameter
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This answer is a fine explanation of what heap pollution is, but it doesn't really explain why varargs are so particularly likely to cause ...