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Swift - encode URL

...= "test/test" let escapedString = originalString.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed) print(escapedString!) Output: test%2Ftest Swift 1 In iOS 7 and above there is stringByAddingPercentEncodingWithAllowedCharacters var originalString = "test/test" var escapedString...
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How do I efficiently iterate over each entry in a Java Map?

...erret The only reason you might want to use an iterator is if you need to call its remove method. If that is the case, this other answer shows you how to do it. Otherwise, the enhanced loop as shown in the answer above is the way to go. – assylias Oct 8 '12 at ...
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List comprehension: Returning two (or more) items for each item

... print timeit(stmt='list(chain.from_iterable((f(x), g(x)) for x in xrange(10**6)))', setup='gc.enable(); from itertools import chain; f = lambda x: x + 2; g = lambda x: x ** 2', number=20) print timeit(stmt='list(chain.from_iterable(fg(x) for x in xrange(10**6)))', ...
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Best way to work with dates in Android SQLite [closed]

...at, the default if you use datetime('now') (yyyy-MM-dd HH:mm:ss) will then allow sorting by the date column. Retrieving dates as strings from SQLite you can then format/convert them as required into local regionalised formats using the Calendar or the android.text.format.DateUtils.formatDateTime me...
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How to get a random number in Ruby

...6). A roll in craps could be simulated with 2 + rand(6) + rand(6). Finally, if you just need a random float, just call rand with no arguments. As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that Marc-André himself helped to debug,...
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Cocoa Core Data efficient way to count entities

...n do with SELECT count(1) ...). Now I just solved this task with selecting all with NSFetchedResultsController and getting the count of the NSArray ! I am sure this is not the best way... ...
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How can I declare and define multiple variables in one line using C++?

I always though that if I declare these three variables that they will all have the value 0 10 Answers ...
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How to trim a string in SQL Server before 2017?

... Incidentally, what possible reason could Microsoft have for including an LTRIM and RTRIM function without a TRIM? It's peculiar. – Ben Hoffstein Oct 7 '08 at 18:06 ...
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How to set HttpResponse timeout for Android in Java

...oment once my HTTP request is made, I then check the status code upon the call returning, however I get a NullPointerException when checking this code if the call has timed out... basically, how do I handle the situation when the call does timeout? (I'm using very similar code to your answer given) ...
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Calling Python in Java?

... 101 Jython: Python for the Java Platform - http://www.jython.org/index.html You can easily call p...