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design a stack such that getMinimum( ) should be O(1)

... EDIT: This fails the "constant space" constraint - it basically doubles the space required. I very much doubt that there's a solution which doesn't do that though, without wrecking the runtime complexity somewhere (e.g. making push/pop O(n)). Note that this doesn't change the complex...
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How do you format an unsigned long long int using printf?

...want to try using the inttypes.h library that gives you types such as int32_t, int64_t, uint64_t etc. You can then use its macros such as: uint64_t x; uint32_t y; printf("x: %"PRId64", y: %"PRId32"\n", x, y); This is "guaranteed" to not give you the same trouble as long, unsigned long long etc, ...
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How to save a BufferedImage as a File

...tion e) { // handle exception } It's important to surround the write call with a try block because, as per the API, the method throws an IOException "if an error occurs during writing" Also explained are the method's objective, parameters, returns, and throws, in more detail: Writes an image u...
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String formatting in Python 3

...format(goals=2, penalties=4) "({goals} goals, ${penalties})".format(**self.__dict__) "first goal: {0.goal_list[0]}".format(self) "second goal: {.goal_list[1]}".format(self) "conversion rate: {:.2f}".format(self.goals / self.shots) # '0.20' "conversion rate: {:.2%}".format(self.goals / self.shots) ...
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Correct way to use _viewstart.cshtml and partial Razor views?

I'm using _viewstart.cshtml to automagically assign the same Razor Layout to my views. 1 Answer ...
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How do I set cell value to Date and apply default Excel date format?

...ing Apache POI for some time to read existing Excel 2003 files programmatically. Now I have a new requirement to create entire .xls files in-memory (still using Apache POI) and then write them to a file at the end. The only problem standing in my way is the handling of cells with dates. ...
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Entity Framework 4 Single() vs First() vs FirstOrDefault()

...where you are expecting a single record but they won't warn you if you actually get more than that single record back which could be important depending on the situation. – Steve Willcock Aug 14 '10 at 22:47 ...
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SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?

... cross join produces a cartesian product between the two tables, returning all possible combinations of all rows. It has no on clause because you're just joining everything to everything. A full outer join is a combination of a left outer and right outer join. It returns all rows in both tables t...
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Early exit from function?

... return; } This will send a return value of undefined to whatever called the function. var x = myfunction(); console.log( x ); // console shows undefined Of course, you can specify a different return value. Whatever value is returned will be logged to the console using the above example...
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi

... basics. Though of course, that doesn't mean I haven't missed something totally obvious. :-) 13 Answers ...