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Why can I type alias functions and use them without casting?
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:after vs. ::after
...in DOM tree. They are called "Pseudo-Elements" and are used to insert some content before/after an element (eg: ::before, ::after) or, select some part of an element (eg: ::first-letter). Currently there is only 5 standard pseudo elements: after, before, first-letter, first-line, selection.
On the ...
Rails migrations: self.up and self.down versus change
...add_column :users, :image_file_name, :string
add_column :users, :image_content_type, :string
add_column :users, :image_file_size, :integer
add_column :users, :image_updated_at, :datetime
end
end
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Transform DateTime into simple Date in Ruby on Rails
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Change SVN repository URL
.../sub.someaddress.com.tr/project
Keep using /project given that the actual contents of your repository probably won't change.
Note: svn relocate is not available before version 1.7 (thanks to ColinM for the info). In older versions you would use:
svn switch --relocate OLD NEW
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What does “Receiver type 'CALayer' for instance message is a forward declaration” mean here?
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Are tuples more efficient than lists in Python?
...tuple) only returns some_tuple itself if some_tuple is hashable—when its contents are recursively immutable and hashable. Otherwise, tuple(some_tuple) returns a new tuple. For m>ex m>ample, when some_tuple contains mutable items.
– Luciano Ramalho
Nov 13 '19 at 13...
How to iterate through a DataTable
...; DataRowCollection -> DataRow (which one can use & look for column contents for that row, either using columnName or ordinal).
-> = contains.
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Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
...osed, you should always pass another OutputStream if you want to alter the content after the servlet has done its job.
EDIT : I'm always closing the stream and I didn't had any problems with Tomcat/Jetty. I don't think you should have any problems with any container, old or new.
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What components are MVC in JSF MVC framework?
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