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Explain how finding cycle start node in cycle linked list work?
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This is Floyd's algorithm for cycle detection. You are asking about the second phase of the algorithm -- once you've found a node that's part of a cycle, how does one find the start of the cycle?
In the first part of Floyd's algorithm, the hare...
How to use icons and symbols from “Font Awesome” on Native Android Application
...pied fontawesome-webfont.ttf into my assests folder
Found the character entities for icons I wanted, using this page: http://fortawesome.github.io/Font-Awesome/cheatsheet/
Created an entry in strings.xml for each icon. Eg for a heart:
<string name="icon_heart">&#xf004;</string>
Re...
How to uninstall Python 2.7 on a Mac OS X 10.6.4?
...ork/Versions/2.7' | awk '{print $9}' | tr -d @ | xargs rm
If necessary, edit your shell profile file(s) to remove adding /Library/Frameworks/Python.framework/Versions/2.7 to your PATH environment file. Depending on which shell you use, any of the following files may have been modified:
~/.bash_log...
How to filter object array based on attributes?
...ngs in your object,
// the below relies on the fact that <= and >= with a string and number
// will coerce the string to a number before comparing.)
var newArray = obj.homes.filter(function (el) {
return el.price <= 1000 &&
el.sqft >= 500 &&
el.n...
How to set cornerRadius for only top-left and top-right corner of a UIView?
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Pay attention to the fact that if you have layout constraints attached to it, you must refresh this as follows in your UIView subclass:
override func layoutSubviews() {
super.layoutSubviews()
roundCorners(corners: [.topLeft, .topRight], radius: 3.0)
}
If you don't do that it won't show u...
How do I invert BooleanToVisibilityConverter?
I'm using a BooleanToVisibilityConverter in WPF to bind the Visibility property of a control to a Boolean . This works fine, but I'd like one of the controls to hide if the boolean is true , and show if it's false .
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What is WEB-INF used for in a Java EE web application?
I'm working on a Java EE web application with the following source code structure:
5 Answers
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Difference between getDefaultSharedPreferences and getSharedPreferences
...follow
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edited Jan 14 '12 at 19:07
Simone
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How to check that an object is empty in PHP?
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You can cast to an array and then check if it is empty or not
$arr = (array)$obj;
if (!$arr) {
// do stuff
}
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ActionBar text color
how can I change the text color of the ActionBar? I've inherited the Holo Light Theme, I'm able to change the background of the ActionBar but I don't find out what is the attribute to tweak to change the text color.
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