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How does Java handle integer underflows and overflows and how would you check for it?

...eld a negative value, so an overflow occurs if arg1 + arg2 > MAX_VALUE. Now the maximum value that could result would be MAX_VALUE + MAX_VALUE (the extreme case both arguments are MAX_VALUE). For a byte (example) that would mean 127 + 127 = 254. Looking at the bit representations of all values th...
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Installing pip packages to $HOME folder

...to $HOME/Library/Python. This might change in a future release. But, for now, on 2.7 (and 3.2, if hg were supported on Python 3), the above locations will be $HOME/Library/Python/x.y/bin/hg and $HOME/Library/Python/x.y/lib/python/site-packages. ...
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How do I manually create a file with a . (dot) prefix in Windows? For example, .htaccess

... I did not know that. So one can simple create the file by typing ".htaccess." in explorer, and the last dot will be removed automatically. Nice. – foens Mar 14 '13 at 9:18 ...
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WARN Could not determine content-length of response body. Set content-length of the response or set

I just upgraded to rails 3.2.2, and now on rails s, page load, I get all these errors in the log: 3 Answers ...
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Any implementation of Ordered Set in Java?

...urque: good find, and thanks for the edits. OP wanted access by index, and now that I's looked at it and think about it, I think skip lists actually don't have that capability either... – Michael Borgwardt Jul 7 '15 at 8:01 ...
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How to add and get Header values in WebApi

...= null) { return NotFound(); } return Ok(product); } Now we can send the request from page using JQuery: $.ajax({ url: 'api/products/10', type: 'GET', headers: { 'username': 'test','password':'123' }, success: function (data) { alert(data); }, f...
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Get Month name from month number

...atInfo(); string strMonthName = mfi.GetMonthName(8).ToString(); //August Now, get first three characters string shortMonthName = strMonthName.Substring(0, 3); //Aug share | improve this answer ...
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Exclude .svn directories from grep [duplicate]

...: alias sgrep='find . -path "*/.svn" -prune -o -print0 | xargs -0 grep' Now you can do this: sgrep some_var ... and get expected results. Of course, if you're an insane person like me who just has to use the same .bashrc everywhere, you could spend 4 hours writing an overcomplicated bash func...
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File tree view in Notepad++

...es .Net v2 ) step-2) Again on Notepad++ Toolbar: Explorer->Explorer Now you can view files with tree view. Update: After adding Explorer, right click to edit a file in Notepad++ may stop working. To make it work again, restart Notepad++ afresh. ...
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How to test if a dictionary contains a specific key? [duplicate]

...d it helped a lot, but I was wondering - are you able to accept the answer now, 4.5yrs later?:) Or it can't be marked anymore due to the duplicate label? – Michal Dec 18 '15 at 14:24 ...