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Filter Java Stream to 1 and only 1 element
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edited Jun 20 at 9:12
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answered Mar 27 '14 at 17:33
skiwiskiwi
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Concurrent HashSet in .NET Framework?
...ortunately. However, there are some workarounds.
ConcurrentDictionary (recommended)
This first one is to use the class ConcurrentDictionary<TKey, TValue> in the namespace System.Collections.Concurrent. In the case, the value is pointless, so we can use a simple byte (1 byte in memory).
pri...
How to convert String object to Boolean Object?
How to convert String object to Boolean object?
14 Answers
14
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Regular Expression for alphanumeric and underscores
...ppreciate the readability of the full POSIX character class names ( http://www.zytrax.com/tech/web/regex.htm#special ), so I'd say:
^[[:alnum:]_]+$
However, while the documentation at the above links states that \w will "Match any character in the range 0 - 9, A - Z and a - z (equivalent of POSI...
sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]
I know nothing about Sed but need this command (which works fine on Ubuntu) to work on a Mac OSX:
4 Answers
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How to remove first 10 characters from a string?
How to ignore the first 10 characters of a string?
12 Answers
12
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What does the “+” (plus sign) CSS selector mean?
...n more
http://css-tricks.com/almanac/selectors/a/adjacent-sibling/
http://www.w3.org/TR/CSS2/selector.html#adjacent-selectors
https://developer.mozilla.org/en-US/docs/Web/CSS/Adjacent_sibling_selectors
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Reading string from input with space character? [duplicate]
I'm using Ubuntu and I'm also using Geany and CodeBlock as my IDE.
What I'm trying to do is reading a string (like "Barack Obama" ) and put it in a variable:
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Remove excess whitespace from within a string
I receive a string from a database query, then I remove all HTML tags, carriage returns and newlines before I put it in a CSV file. Only thing is, I can't find a way to remove the excess white space from between the strings.
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Why is string concatenation faster than array join?
Today, I read this thread about the speed of string concatenation.
9 Answers
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