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When to use Comparable and Comparator
...he instances properties.
EX: Person.id
Some of the Predefined Classes like String, Wrapper classes, Date, Calendar has implemented Comparable interface.
Comparator - java.util.Comparator: int compare(Object o1, Object o2)
A comparator object is capable of comparing two different objects. The cl...
Collections.emptyList() vs. new instance
...oo> always creates a new instance of the object so it has a very slight extra cost associated with it which may give you a reason to use Collections.emptyList. I like using emptyList just because it's more readable.
shar...
Cocoa Touch: How To Change UIView's Border Color And Thickness?
...?.CGColor
}
}
}
This way, your default View always has those extra editable fields in Attributes Inspector. Another advantage is that you don't have to change the class to MycustomView every time.
However, one drawback to this is that you will only see your changes when you run your ap...
Generate sql insert script from excel worksheet
...the last in the columns list and then it would not be necessary to have an extra column at all.
– Andrey Morozov
Mar 20 '15 at 6:48
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How do I get list of methods in a Python class?
...e predicate part is key, otherwise you get the same thing as dict with the extra meta info. Thanks.
– Purrell
Dec 15 '09 at 23:48
2
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How can prepared statements protect from SQL injection attacks?
...l commands, it will not be executed. Also, if the id is a number, then the string content will generate a report or value zero.
– Soley
Sep 7 '15 at 11:24
...
Opening Vim help in a vertical split window
...r way to also address :h with the same autocmd? Currently i write it in an extra line: autocmd FileType help wincmd L autocmd FileType h wincmd L
– danbruegge
Jan 27 '15 at 11:58
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Why does UITableViewCell remain highlighted?
...efly before being deselected. In theory I think you do not have to do any extra work to have it deselect right away on its own, so code in viewDidAppear should not be needed...
– Kendall Helmstetter Gelner
Dec 3 '09 at 20:40
...
How can I troubleshoot my Perl CGI script?
.... Be sure to remove this before moving to a production environment, as the extra information can be a security risk.
What did the error log say?
Servers keep error logs (or they should, at least).
Error output from the server and from your script should
show up there. Find the error log and see ...
Ignoring directories in Git repositories on Windows
...
or just add an extra . at the end so explorer stops thinking .gitignore is the extension. Then on entry that trailing dot with no extension just gets eaten and you are left with .gitignore TL;DR: try to name it .gitignore. => you end up...