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How does the Java 'for each' loop work?

...'re almost equivalent, but with collections, iterator wins. *This post is based on two answers I wrote on Stack Overflow: Uses and syntax for for-each loop in Java Should I use an Iterator or a forloop to iterate? Some more information: Which is more efficient, a for-each loop, or an iterator? ...
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count the frequency that a value occurs in a dataframe column

...columns you can use: df.apply(pd.value_counts) This will apply a column based aggregation function (in this case value_counts) to each of the columns. share | improve this answer | ...
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Swift performSelector:withObject:afterDelay: is unavailable [duplicate]

...2 let dispatchTime: dispatch_time_t = dispatch_time(DISPATCH_TIME_NOW, Int64(0.1 * Double(NSEC_PER_SEC))) dispatch_after(dispatchTime, dispatch_get_main_queue(), { // your function here }) share | ...
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How to create separate AngularJS controller files?

...y dependencies. var myapp = angular.module('demo', ['ngRoute','ngCookies','ui.bootstrap','nvd3ChartDirectives','ui-rangeSlider','textAngular','angularTreeview']); – vipin Aug 5 '14 at 7:10 ...
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How to ignore xargs commands if stdin input is empty?

...SunOS sun4v $ xargs -n1 echo blah < /dev/null $ uname -is Linux x86_64 $ xargs --version | head -1 xargs (GNU findutils) 4.7.0-git $ xargs -n1 echo blah < /dev/null blah share | improve t...
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Efficiently replace all accented characters in a string?

... Here is a more complete version based on the Unicode standard, taken from here: http://semplicewebsites.com/removing-accents-javascript var Latinise={};Latinise.latin_map={"Á":"A", "Ă":"A", "Ắ":"A", "Ặ":"A", "Ằ":"A", "Ẳ":"A", "Ẵ":"A", "Ǎ":"A",...
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How to add color to Github's README.md file

...the .svg file, the text is not selectable when the SVG image is embedded. Demo: https://gist.github.com/CyberShadow/95621a949b07db295000 share | improve this answer | follow...
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How to prettyprint a JSON file?

...e -l json See the link above for pygmentize installation instruction. A demo of this is in the image below: share | improve this answer | follow | ...
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How do I handle the window close event in Tkinter?

...mple. You just show a messagebox in your WM_DELETE_WINDOW and set the flag based on the user's answer. share | improve this answer | follow | ...
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ng-repeat :filter by single field

... [{foreground : black, background:white}] }. then how can i filter product based on color:background to get white value? – Gery Apr 25 '14 at 9:01 ...