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Why there is no ConcurrentHashSet against ConcurrentHashMap

.... newSetFromMap's implementation is found starting on line 3841 in docjar.com/html/api/java/util/Collections.java.html. It's just a wrapper.... – Ray Toal Nov 1 '11 at 23:36 4 ...
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How to make an unaware datetime timezone aware in python

...e returns a new datetime. It says that right there in the docs too, and I completely missed that. Thanks, that's exactly what I was looking for. – Mark Tozzi Aug 15 '11 at 14:24 ...
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How do you run a crontab in Cygwin on Windows?

Some cygwin commands are .exe files, so you can run them with the standard Windows Scheduler, but others don't have an .exe extension so can't be run from DOS (it seems like). ...
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Fast Linux File Count for a large number of files

I'm trying to figure out the best way to find the number of files in a particular directory when there are a very large number of files ( > 100,000). ...
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What's the best way of structuring data on firebase?

...reat post over on the Firebase blog about denormalizing your data: https://www.firebase.com/blog/2013-04-12-denormalizing-is-normal.html I'd indeed suggest keeping the "ID" of each application as a child of each applicant. ...
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Java 8 NullPointerException in Collectors.toMap

...if you have the same key multiple times, as @mmdemirbas pointed out in the comments. If you don't want this, look at the link in the comment. share | improve this answer | fo...
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Python string class like StringBuilder in C#?

... result in very slow running code. In this article I investigate the computational performance of various string concatenation methods. share | improve this answer | ...
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php Replacing multiple spaces with a single space [duplicate]

I'm trying to replace multiple spaces with a single space. When I use ereg_replace , I get an error about it being deprecated. ...
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Delete first character of a string in Javascript

I want to delete the first character of a string, if the first character is a 0. The 0 can be there more than once. 14 Ans...
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Remove non-ascii character in string

...200F ‏ right-to-left-mark Some references on those: http://www.fileformat.info/info/unicode/char/200B/index.htm https://en.wikipedia.org/wiki/Left-to-right_mark Note that although the encoding of the embedded character is UTF-8, the encoding in the regular expression is not. Alth...