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What is the purpose o<em>fem> “!” and “?” at the end o<em>fem> method names?
Sometimes I see methods in Ruby that have "?" and "!" at the end o<em>fem> them, e.g:
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UIViewController viewDidLoad vs. viewWillAppear: What is the proper division o<em>fem> labor?
I have always been a bit unclear on the type o<em>fem> tasks that should be assigned to viewDidLoad vs. viewWillAppear : in a UIViewController su<em>bcem>lass.
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How to <em>fem>ind a min/max with Ruby
I want to use min(5,10) , or Math.max(4,7) . Are there <em>fem>unctions to this e<em>fem><em>fem>ect in Ruby?
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How do I get the type name o<em>fem> a generic type argument?
I<em>fem> I have a method signature like
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In Python script, how do I set PYTHONPATH?
I know how to set it in my /etc/pro<em>fem>ile and in my environment variables.
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Get all column names o<em>fem> a DataTable into string array using (LINQ/Predicate)
I know we can easily do this by a simple loop, but I want to persue this LINQ/Predicate?
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Understanding keystore, certi<em>fem>icates and alias
Is the keystore the actual certi<em>fem>icate, or is the alias the certi<em>fem>icate?
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How to pass an ArrayList to a varargs method parameter?
Basically I have an ArrayList o<em>fem> locations:
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Escape single quote character <em>fem>or use in an SQLite query
I wrote the database schema (only one table so <em>fem>ar), and the INSERT statements <em>fem>or that table in one <em>fem>ile. Then I created the database as <em>fem>ollows:
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git -> show list o<em>fem> <em>fem>iles changed in recent commits in a speci<em>fem>ic directory
In Subversion svn log is the command to display commit log messages -- <em>fem>or details see the online manual at http://svnbook.red-bean.com/en/1.7/svn.re<em>fem>.svn.c.log.html
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