Questions tagged [remap]

257 questions
573
votes
12 answers

Remap values in pandas column with a dict, preserve NaNs

I have a dictionary which looks like this: di = {1: "A", 2: "B"} I would like to apply it to the col1 column of a dataframe similar to: col1 col2 0 w a 1 1 2 2 2 NaN to get: col1 col2 0 w a 1 …
TheChymera
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6 answers

How to remap "Context Menu" key in Mac OS X?

I have a Logitech keyboard (Ultra-Flat Keyboard Dark Shine to be exact), which has the context menu key in the middle of the windows and alt key, which is quite annoying. Here's a screenshot of where the key…
Alvin
33
votes
5 answers

Color similarity/distance in RGBA color space

How to compute similarity between two colors in RGBA color space? (where the background color is unknown of course) I need to remap an RGBA image to a palette of RGBA colors by finding the best palette entry for each pixel in the image*. In the RGB…
Kornel
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2 answers

How do I use OpenCV's remap function?

Here's the simplest possible test case for remap(): import cv2 import numpy as np inimg = np.arange(2*2).reshape(2,2).astype(np.float32) inmap = np.array([[0,0],[0,1],[1,0],[1,1]]).astype(np.float32) outmap =…
john k
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27
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7 answers

Why is so complicated to remap Esc to CAPS LOCK in Vim?

I saw the vim wiki tips and it says that in order to remap Esc to CAPS LOCK you have to edit the following windows code: REGEDIT4 [HKEY_CURRENT_USER\Keyboard Layout] "Scancode Map"=hex:00,00,00,00,00,00,00,00,02,00,00,00,01,00,3a,00,00,00,00,00 Is…
alexchenco
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26
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11 answers

Inverting a real-valued index grid

OpenCV's remap() uses a real-valued index grid to sample a grid of values from an image using bilinear interpolation, and returns the grid of samples as a new image. To be precise, let: A = an image X = a grid of real-valued X coords into the…
SuperElectric
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21
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5 answers

Vim: remap key to toggle line numbering

I added: set number nnoremap :set nonumber! to my vimrc file. Basically what it's supposed to do is let me press F2 to toggle line numbering but it's not working. What have I done wrong?
Nope
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5 answers

Remap or Map function in Javascript

Of late, most of my programming experience has been in Processing, and more recently I have been wanting to branch out a little deeper in to some JavaScript, since they are slightly related. I was just wondering, as my recent searching has turned…
user553149
19
votes
3 answers

Visual Studio 2010: How Can I remap F2 to Rename File rather than Open Object Browser

In Visual Studio 2010 Solution Explorer tree view, how can I remap the F2 key to Rename the Selected File rather than open Object Browser?
19
votes
3 answers

How to remap keys in Chrome OS?

For someone who uses the Ctrl-W bindings in vim habitually, it is incredibly annoying to have Chrome OS ask me, "Wanna close this window, then?" How do I remap keys in Chrome OS? Can't find this top secret setting anywhere.
JD.
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vim change :x function to delete buffer instead of save & quit

I want to set :x in vim gui-mode to delete buffer because I always kill the whole gvim, which is kind of annoying. I know i can specifically set gui problems with if has("gui running") but don't know how to remap :x thanks in advance ps.: maybe the…
epsilonhalbe
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2 answers

Overriding a remapping from a plugin?

After installing vim-ruby-debugger that plugin "hijacks" several mappings. Like n, or t which I use for respectively NERDTreeToggle and Command-T find. The culprit is found at the hardcoded mappings in this ruby-debugger. I'd prefer…
berkes
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10
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3 answers

vim - remapping >> << (indent commands)

I would love to map << and >> to single keys to speed up my workflow, but I can't find any info on how to write the remap in my vimrc. Any idea how I can get my remap on?
tester
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2 answers

Is there a good workaround to the Oracle IMPDP REMAP_SCHEMA issue with triggers (ORA-39083, ORA-00942)?

One can use the Oracle data pump import tool (IMPDP.EXE) to import one schema into another using the REMAP_SCHEMA option. However there is an issue in that triggers are not properly remapped. This leads to the trigger not being created at all with…
VinceJS
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1 answer

C++ algorithm to convert a fisheye image to an equirectangular image with OpenCV4

I want to create a C++ code with the OpenCV4 library that convert a fisheye image to an equirectangular image. I'm using as a test a fisheye image of 1400*1400 pixels loading from a file on my Computer: The build works well but when I try to…
KenZone51
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