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What is the fastest way to check if a class has a function defined?
I'm writing an AI state space search algorithm, and I have a generic class which can be used to quickly implement a search algorithm. A subclass would define the necessary operations, and the algorithm does the rest.
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Java 8 Distinct by property
... returns a predicate that maintains state about what it's seen previously, and that returns whether the given element was seen for the first time:
public static <T> Predicate<T> distinctByKey(Function<? super T, ?> keyExtractor) {
Set<Object> seen = ConcurrentHashMap.new...
Good ways to manage a changelog using git?
I've been using Git for a while now, and I recently started using it to tag my releases so that I could more easily keep track of changes and be able to see which version each of our clients are running (unfortunately the code currently mandates that each client have their own copy of the PHP site; ...
Javascript heredoc
... answered Dec 7 '10 at 12:16
Andrew HareAndrew Hare
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Check if object value exists within a Javascript array of objects and if not add a new object to arr
... answered Apr 3 '14 at 17:21
AndyAndy
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How to check sbt version?
...t to use sbt about that (copying Mark Harrah's comment):
The about command was added recently to try to succinctly print the
most relevant information, including the sbt version.
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impr...
Wget output document and headers to STDOUT
I'm trying to output document body and its headers to stdout with wget by wget -S -O - http://google.com
5 Answers
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Fix code indentation in Xcode
Once I start editing my code and adding for loops or if then statements my code indentation is whacked because the previous code maintains its former indentation instead of adjusting automatically.
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Trim spaces from end of a NSString
... answered Apr 22 '11 at 14:15
DanDan
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How to detect escape key press with pure JS or jQuery?
How to detect escape key press in IE, Firefox and Chrome?
Below code works in IE and alerts 27 , but in Firefox it alerts 0
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