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Xml configuration versus Annotation based configuration [closed]
...ing to persisted in one way, then inlined meta-data (i.e. annotations) are more compact and readable.
If, however, your object model was reused in different applications in such a way that each application wanted to persist the model in different ways, then externalising the meta-data (i.e. XML des...
Maintain/Save/Restore scroll position when returning to a ListView
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as @nbarraille said, the code should read more like "v.getTop() - mList.getPaddingTop()." Otherwise you'll spend an hour like I did trying to figure out why it always restores just a hair off...
– jdowdell
Jul 6 '14 at 23:40
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Postgresql - change the size of a varchar column to lower length
...can change around without this table lock/rewrite problem, and they can do more integrity checking than just the weak length check.
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Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
...you, man? I have just provided you what you wanted. You have no excuses anymore. Create threads, make it run faster.
-- I have divided the work into pieces and every process will work on one of these pieces in parallel.
-- Why don't you create threads?
-- Sorry, I don't think it is usable. You ca...
Multiple Inheritance in C#
Since multiple inheritance is bad (it makes the source more complicated) C# does not provide such a pattern directly. But sometimes it would be helpful to have this ability.
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Git pull results in extraneous “Merge branch” messages in commit log
...that was already pushed.
The commits you see are there to combine two (or more) branches. It is perfectly fine to have a commit that does nothing else then merging multiple branches. In fact it makes it very clear when you have a merge commit that combines branches when looking at the history. In c...
Putting an if-elif-else statement on one line?
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If you need it to be more readable, you could put brackets around it, like this: a = 1 if i < 100 else (2 if i > 100 else 0) (Untested, but I think it should work)
– Zac
Sep 27 '16 at 16:48
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Moving average or running mean
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UPD: more efficient solutions have been proposed by Alleo and jasaarim.
You can use np.convolve for that:
np.convolve(x, np.ones((N,))/N, mode='valid')
Explanation
The running mean is a case of the mathematical operation ...
Combine two or more columns in a dataframe into a new column with a new name
...::mutate(). Sorry, just trying to be helpful - I won't pollute the site anymore and abstain from future postings.
– sbha
Mar 27 '19 at 22:44
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Epoch vs Iteration when training neural networks
...ning examples in one forward/backward pass. The higher the batch size, the more memory space you'll need.
number of iterations = number of passes, each pass using [batch size] number of examples. To be clear, one pass = one forward pass + one backward pass (we do not count the forward pass and back...