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How to clone an InputStream?

...d the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream. Then you can obtain the associated array of bytes and open as many "cloned" ByteArrayInputStreams as you like. ByteArrayOutputStream baos = new ByteArrayOutputStream(); // ...
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Auto layout constraints issue on iOS7 in UITableViewCell

...out/commit/bde387b27e33605eeac3465475d2f2ff9775f163#commitcomment-4633188 From what they advice there: self.contentView.bounds = CGRectMake(0, 0, 99999, 99999); I've induced my solution: right click the storyboard Open As -> Source Code search for string "44" there it's gonna be like . &...
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Maven command to determine which settings.xml file Maven is using

..... [INFO] Error stacktraces are turned on. [DEBUG] Reading global settings from c:\....\apache-maven-3.0.3\conf\settings.xml [DEBUG] Reading user settings from c:\....\.m2\settings.xml [DEBUG] Using local repository at C:\....\repository ... (Original directory names are removed by me) ...
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Difference between final and effectively final

...th lambdas in Java 8 and I came across warning local variables referenced from a lambda expression must be final or effectively final . I know that when I use variables inside anonymous class they must be final in outer class, but still - what is the difference between final and effectively fina...
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What does “Protocol … can only be used as a generic constraint because it has Self or associated typ

... Protocol Observing inherits from protocol Hashable, which in turn inherits from protocol Equatable. Protocol Equatable has the following requirement: func ==(lhs: Self, rhs: Self) -> Bool And a protocol that contains Self somewhere inside it canno...
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How to check whether a string contains a substring in Ruby

...e succinct idiom than the accepted answer above that's available in Rails (from 3.1.0 and above) is .in?: my_string = "abcdefg" if "cde".in? my_string puts "'cde' is in the String." puts "i.e. String includes 'cde'" end I also think it's more readable. See the in? documentation for more info...
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?

...se examples use D3's zoom behavior to implement zooming and panning. Aside from whether the circles are rendered in Canvas or SVG, the other major distinction is whether you use geometric or semantic zooming. Geometric zooming means you apply a single transform to the entire viewport: when you zoom...
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?

... Use collections.Counter: >>> from collections import Counter >>> A = Counter({'a':1, 'b':2, 'c':3}) >>> B = Counter({'b':3, 'c':4, 'd':5}) >>> A + B Counter({'c': 7, 'b': 5, 'd': 5, 'a': 1}) Counters are basically a subclass ...
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Get mouse wheel events in jQuery?

... Not especially. From what I've seen, many people will either avoid dealing with scroll tracking, or they'll use a timer instead (e.g. check the user's position on the page every x milliseconds, etc). If there's a more performant solution ou...
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Regular expression \p{L} and \p{N}

... Apart from the fact that capturing parentheses were used, the REs will actually compile to the same thing (well, in any optimizing RE engine that supports the \p{…} escape sequence style in the first place). ...