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UIView's frame, bounds, center, origin, when to use what?
...e system and bounds is using coordinate of the local view (therefore its x and y are 0, but not always), but it's still confusing to me when to use what.
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Conceptually, how does replay work in a game?
...tates that your game engine is deterministic and that it operates with a fixed time step. I believe all Blizzard's RTS games have been built this way. Non-deterministic games would include additional synchronization data to ensure consistency in the long run.
– John Leidegren
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Merge multiple lines (two blocks) in Vim
... lines n..m and append them to lines a..b . If you prefer a pseudocode explanation: [a[i] + b[i] for i in min(len(a), len(b))]
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What is a “batch”, and why is GO used?
...t were input into it up till the "go" need to be sent to the server to be executed.
Why/when do you need it?
GO in MS SQL server has a "count" parameter - so you can use it as a "repeat N times" shortcut.
Extremely large updates might fill up the SQL server's log. To avoid that, they might need to...
Git push rejected after feature branch rebase
...ote branches is in local having some new commits at the end like that:
Z--X--R <- origin/some-branch (can be fast-forwarded to Y commit)
\
T--Y <- some-branch
When you perform git rebase commits D and E are applied to new base and new commits are created. T...
Merging two images in C#/.NET
Simple idea: I have two images that I want to merge, one is 500x500 that is transparent in the middle the other one is 150x150.
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How to convert a Title to a URL slug in jQuery?
...ion, convert it to lowercase, and replace the spaces with hyphens. So for example, Shane's Rib Shack would become shanes-rib-shack.
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rails i18n - translating text with links inside
I'd like to i18n a text that looks like this:
9 Answers
9
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Two versions of python on linux. how to make 2.7 the default
I've got two versions of python on my linuxbox:
6 Answers
6
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Numpy: Divide each row by a vector element
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Here you go. You just need to use None (or alternatively np.newaxis) combined with broadcasting:
In [6]: data - vector[:,None]
Out[6]:
array([[0, 0, 0],
[0, 0, 0],
[0, 0, 0]])
In [7]: data / vector[:,None]
Out[7]:
array([[1, 1, 1],
[1, 1, 1],
[1, 1, 1]])
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