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How to take column-slices of dataframe in pandas
...achine learning data from a CSV file. The first 2 columns are observations and the remaining columns are features.
10 Answe...
How to get a pixel's x,y coordinate color from an image?
...ur PNG. The following creates an off-screen canvas that is the same width and height as your image and has the image drawn on it.
var img = document.getElementById('my-image');
var canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
canvas.getContext('2...
Swap key with value JSON
...rmance good? Semantic is perfect: we can see that is really a simple "map and swap" solution.
– Peter Krauss
Jan 3 '19 at 17:41
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Convert XML to JSON (and back) using Javascript
How would you convert from XML to JSON and then back to XML?
12 Answers
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Why should I use document based database instead of relational database?
...paper documents, e.g. by scanning office mail. The data is the scanned PDF and you have some meta data which always exists (scanned at, scanned by, type of document) and lots of possible metadata fields which exists sometime (customer number, supplier number, order number, keep on file until, OCRed ...
Restore LogCat window within Android Studio
I have recently started to use Android Studio v0.1.1, And i can't seem to find LogCat... Is it gone? Or if not, how can I enable it?
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Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
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(true here refers to do you want to initialize the class?)
On the other hand, ClassLoader.loadClass(String):
Invoking this method is equivalent to invoking loadClass(name, false).
(here, the boolean has nothing to do with initialization; but if you check loadClass(String, boolean) documentat...
jQuery: Can I call delay() between addClass() and such?
...t or dequeue is to let jQuery know that you are done with this queued item and that it should move on to the next one.
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Pass arguments to Constructor in VBA
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Here's a little trick I'm using lately and brings good results. I would like to share with those who have to fight often with VBA.
1.- Implement a public initiation subroutine in each of your custom classes. I call it InitiateProperties throughout all my classes....
How to load/edit/run/save text files (.py) into an IPython notebook cell?
... individual cells of an open IPython notebook so that they can edited, run and then saved. Can this be done?
4 Answers
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