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What happens when a duplicate key is put into a HashMap?

...rts null values.) So if you don't assign the returned value when calling mymap.put("1", "a string"), it just becomes unreferenced and thus eligible for garbage collection. share | improve this ans...
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What is a good reason to use SQL views?

...the purpose of views. What is a good use for views? Should I use them in my website and what are the benefits of them? 10...
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what is the difference between 'transform' and 'fit_transform' in sklearn

... I have modified my question. The two functions return the same kind of values. – tqjustc May 23 '14 at 22:50 2 ...
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Measure the time it takes to execute a t-sql query

... I usually stick SET @t1 = GETDATE(); at the top of my query and then paste SET @t2 = GETDATE();SELECT 'NOTE 1',DATEDIFF(millisecond,@t1,@t2) AS elapsed_ms;SET @t1 = GETDATE(); at judicious points within the query (editting "NOTE 1" appropriately). Treating the selects as bre...
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Calculate the execution time of a method

... @series0ne, very good point. I will update my answer to include your valuable comment. – Darin Dimitrov Dec 24 '12 at 10:43 7 ...
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Is there a MySQL option/feature to track history of changes to records?

I've been asked if I can keep track of the changes to the records in a MySQL database. So when a field has been changed, the old vs new is available and the date this took place. Is there a feature or common technique to do this? ...
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How to print colored text in Python?

... But suppose my default prompt is not black - do You think it's possible to make python resotre after these tricks? – Adobe Aug 1 '12 at 9:04 ...
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How to trigger a build only if changes happen on particular set of files

...kins/Hudson to trigger a build only for changes on a particular project in my Git tree? 8 Answers ...
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Remove all special characters from a string [duplicate]

... thanks it solved my problem,+1 for the same – Alok Deshwal Nov 23 '15 at 5:28 ...
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Is there a function to make a copy of a PHP array to another?

...hat includes internal pointers as well). I suppose it's time for me to ask my own question. – Andrew Larsson Jul 18 '13 at 0:30 ...