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Java 8 Streams - collect vs reduce
...also another reduce method, where you can return objects of type different from elements of the stream.
– Konstantin Milyutin
Oct 14 '14 at 10:25
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Java: Path vs File
...you ever need a File object for legacy, just call Path#toFile()
Migrating from File to Path
This Oracle page highlights differences, and maps java.io.File functionality to java.nio.file lib (including Path) functionality
Article by Janice J. Heiss and Sharon Zakhour, May 2009, discussing NIO.2 Fi...
Convert System.Drawing.Color to RGB and Hex Value
...t simple and use the native color translator:
Color red = ColorTranslator.FromHtml("#FF0000");
string redHex = ColorTranslator.ToHtml(red);
Then break the three color pairs into integer form:
int value = int.Parse(hexValue, System.Globalization.NumberStyles.HexNumber);
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Java regular expression OR operator
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What if i need to delimit these strings from other pieces of the regex that are also strings? e.g. eee(ff|gg)eee Do I have to use parentheses?
– Eric Conner
Jan 9 '10 at 0:54
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Regular vs Context Free Grammars
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First: Regular grammars can be ambiguous (example from Kai Kuchenbecker: S -> aA | aB, B -> a, A -> a). The only thing is that there is only one way the nodes in the syntax tree can be positioned (for instance the associativity ambiguity does not exist when a regula...
Difference between getAttribute() and getParameter()
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getParameter() returns http request parameters. Those passed from the client to the server. For example http://example.com/servlet?parameter=1. Can only return String
getAttribute() is for server-side usage only - you fill the request with attributes that you can use within the same re...
Convert to binary and keep leading zeros in Python
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Very nice. I never would have known that's what you meant from explanation alone. But now I've seen your example, I'll probably never forget it. Cheers.
– voices
May 11 '19 at 20:04
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Adding the “Clear” Button to an iPhone UITextField
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You can also set this directly from Interface Builder under the Attributes Inspector.
Taken from XCode 5.1
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How do I pick 2 random items from a Python set? [duplicate]
I currently have a Python set of n size where n >= 0. Is there a quick 1 or 2 lines Python solution to do it? For example, the set will look like:
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Remove final character from string [duplicate]
Let's say my string is 10 characters long.
2 Answers
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