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How do I get the file extension of a file in Java?
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@zhelon .gz stands for gnu zipped file, and .tar stands for (t)ape (ar)chive. So .tar.gz is a tar file inside a gnu zipped file, which has the .gz extension.
– cirovladimir
Mar 27 '16 at 16:35
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WPF Button with Image
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This is a pretty bad solution as the text and image won't be grayed out when you disable the button.
– Num Lock
May 24 '17 at 9:22
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Is there an ExecutorService that uses the current thread?
...();
}
}
ExecutorService is a more elaborate interface, but could be handled with the same approach.
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Convert form data to JavaScript object with jQuery
...se serializeArray is already written, is unit tested in multiple browsers, and could theoretically be improved in later versions of jQuery. The less code you write that has to access inconsistent things like DOM elements directly, the more stable your code will be.
– Tobias Coh...
Make the current Git branch a master branch
...pository in Git. I made a branch, then did some changes both to the master and to the branch.
14 Answers
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Find number of months between two Dates in Ruby on Rails
...is solution does not consider days. The number of months between 28/4/2000 and 1/5/2000 is not 1 month, but 0.
– dgilperez
Aug 19 '13 at 18:39
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How to deselect a selected UITableView cell?
... edited Oct 14 '16 at 13:04
Aland Kawa
5311 silver badge1212 bronze badges
answered Oct 19 '10 at 12:04
Saik...
Why does ConcurrentHashMap prevent null keys and values?
...s same ie, ambiguities. For example suppose one thread makes a key as null and stores a value against it. Then another thread changed another key to null. When second thread tries to add new value, it will be replaced. If second thread tries to get value, it will get the value for a different key, t...
How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...that are not marked as being in __block storage are retained by the block, and get released by the block when it is destroyed (when its retain count goes to 0). Here's the documentation on that: developer.apple.com/library/mac/documentation/Cocoa/Conceptual/…
– Ryan
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Grep characters before and after match?
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3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o -P '.{0,3}string.{0,4}'
23_string_and
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