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Change a column type from Date to DateTime during ROR migration
... You're right, I just assumed a beginner would choose the latest technology available, but that's, of course, unsure
– apneadiving
Mar 4 '11 at 8:46
12
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Implementation difference between Aggregation and Composition in Java
... }
}
Something around this.
EDIT: an example as requested
public class Test
{
public static void main(String[] args)
{
University university = new University();
//the department only exists in the university
Department dep = university.createDepartment();
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What's the difference between Cache-Control: max-age=0 and no-cache?
...-age=0
This is equivalent to clicking Refresh, which means, give me the latest copy unless I already have the latest copy.
no-cache
This is holding Shift while clicking Refresh, which means, just redo everything no matter what.
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What is HTML5 ARIA?
...vior for mainstream users. This greatly reduces the cost of modifying and testing the website or application.
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How can I add remote repositories in Mercurial?
...for a team with developers using both Git and Mercurial.
Note: I haven't tested that tool with the latest versions of Mercurial.
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Moving average or running mean
...now works instead (very quickly I might add). for 6,000 row series %timeit test1.rolling(20).mean() returned 1000 loops, best of 3: 1.16 ms per loop
– Vlox
May 2 '17 at 17:41
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Why does the indexing start with zero in 'C'?
...gits (including
leading zeros) only if numbering starts at 0.
This can be tested quite easily. In base-2, take 2^3 = 8
The 8th number is:
8 (binary: 1000) if we start count at 1
7 (binary: 111) if we start count at 0
111 can be represented using 3 bits, while 1000 will require an extra bit (4 bit...
What are the primary differences between Haskell and F#? [closed]
...t MVC, your business logic in C#, your core algorithms in F# and your unit tests in Ironruby.... All amongst the the .Net framework.
Listen to the Software Engineering radio with Simon Peyton Jones for more info on Haskell: Episode 108: Simon Peyton Jones on Functional Programming and Haskell
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Parallel foreach with asynchronous lambda
... Console.WriteLine(i); throw new Exception("test exception"); }, maxDegreeOfParallelism: 2);
– nicolay.anykienko
Oct 18 '18 at 19:42
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See “real” commit date in github (hour/day)
... for screenshots), the above Javascript-based solutions do not match the latest Github HTML (see comments). And they did not take into account the fact that the timestamps are auto-updated based on a timer ("X minutes ago" has to change every minute), so they will periodically reappear.
The followi...