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Extracting text OpenCV
...orithm above can also find intersecting or nested objects (like the entire top area for the first card) some of which could be uninteresting for your purposes.
Below is the code written in python with pyopencv, it should easy to port to C++.
import cv2
image = cv2.imread("card.png")
gray = cv2.cvt...
reference assignment is atomic so why is Interlocked.Exchange(ref Object, Object) needed?
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How do I make a list of data frames?
... list of data frames into one big data frame. If you want to stack them on top of each other, you would use rbind for a pair of them, but for a list of data frames here are three good choices:
# base option - slower but not extra dependencies
big_data = do.call(what = rbind, args = df_list)
# data...
Evenly distributing n points on a sphere
...ou see that i edited my answer to include an explanation of node[k] at the top? i think that may be all you need...
– andrew cooke
Mar 7 '12 at 12:51
...
Is it .yaml or .yml?
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What is “entropy and information gain”?
...he tree predicted the outcome correctly).
The decision tree is built in a top-down fashion, but the question is how do you choose which attribute to split at each node? The answer is find the feature that best splits the target class into the purest possible children nodes (ie: nodes that don't con...
lenses, fclabels, data-accessor - which library for structure access and mutation is better
...use.
Many of these libraries also provide a bunch of extra combinators on top, and usually some form of template haskell machinery to automatically generate lenses for the fields of simple record types.
With that in mind, we can turn to the different implementations:
Implementations
fclabels
fc...
Is file append atomic in UNIX?
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...
I was speaking about 16-bit operands, why the top bits don't get zeroed in that case. They don't in non-64-bit modes. And that's kept in 64-bit mode too.
– Alexey Frunze
Jun 24 '12 at 12:04
...
Why does git perform fast-forward merges by default?
...rded to include them.
But if you anticipate an iterative workflow on one topic/feature branch (i.e., I merge, then I go back to this feature branch and add some more commits), then it is useful to include only the merge in the main branch, rather than all the intermediate commits of the feature br...