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How to suppress warnings globally in an R Script
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235
You could use
options(warn=-1)
But note that turning off warning messages globally might not ...
PDO's query vs execute
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145
query runs a standard SQL statement and requires you to properly escape all data to avoid SQL In...
What is the difference between git clone and checkout?
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5 Answers
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HTML span align center not working?
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Reut Sharabani
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answered Dec 5 '11 at 21:41
WillWill
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List of Rails Model Types
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251
The attributes are SQL types, hence the following are supported:
:binary
:boolean
:date
:date...
Reset PHP Array Index
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253
The array_values() function [docs] does that:
$a = array(
3 => "Hello",
7 => "Mo...
'No Transport' Error w/ jQuery ajax call in IE
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What are differences between PECL and PEAR?
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Using Position Relative/Absolute within a TD?
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Display image as grayscale using matplotlib
...rt("L")
arr = np.asarray(image)
plt.imshow(arr, cmap='gray', vmin=0, vmax=255)
plt.show()
If you want to display the inverse grayscale, switch the cmap to cmap='gray_r'.
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