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How to disable python warnings
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answered Jan 22 '13 at 16:28
Pavel AnossovPavel Anossov
51.3k1111 gold badges130130 silver badges116116 bronze badges
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Select rows of a matrix that meet a condition
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162
This is easier to do if you convert your matrix to a data frame using as.data.frame(). In tha...
Using git commit -a with vim
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194
In vim, you save a file with :wEnter while in the normal mode (you get to the normal mode by ...
What is pseudopolynomial time? How does it differ from polynomial time?
...hms that run in pseudopolynomial time have runtimes like O(nW) (for the 0/1 Knapsack Problem ) or O(√n) (for trial division ); why doesn't that count as polynomial time?
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How to check if a given directory exists in Ruby
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edited Aug 12 '17 at 2:51
Totor
73755 silver badges1717 bronze badges
answered Jul 6 '09 ...
How to change ProgressBar's progress indicator color in Android
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Difference between single and double quotes in Bash
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614
Single quotes won't interpolate anything, but double quotes will. For example: variables, backt...
How to convert a NumPy array to PIL image applying matplotlib colormap
...irst ensure your NumPy array, myarray, is normalised with the max value at 1.0.
Apply the colormap directly to myarray.
Rescale to the 0-255 range.
Convert to integers, using np.uint8().
Use Image.fromarray().
And you're done:
from PIL import Image
from matplotlib import cm
im = Image.fromarray(n...
count members with jsonpath?
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I.e. to test that API returns an array of 4 items:
accepted value: [1,2,3,4]
mockMvc.perform(get(API_URL))
.andExpect(jsonPath("$", hasSize(4)));
to test that API returns an object containing 2 members:
accepted value: {"foo": "oof", "bar": "rab"}
mockMvc.perform(get(API_URL))
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Javascript: get package.json data in gulpfile.js
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116
Don't use require('./package.json') for a watch process. Using require will resolve the module...