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How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
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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...
Reset PHP Array Index
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The array_values() function [docs] does that:
$a = array(
3 => "Hello",
7 => "Mo...
What is the difference between git clone and checkout?
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List of Rails Model Types
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The attributes are SQL types, hence the following are supported:
:binary
:boolean
:date
:date...
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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How set the default repository
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moswaldmoswald
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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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Which rows are returned when using LIMIT with OFFSET in MySQL?
... you limit by 18. Which means you consider records 9, 10, 11, 12, 13, 14, 15, 16....24, 25, 26 which are a total of 18 records.
Check this out.
And also the official documentation.
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How to enable Ad Hoc Distributed Queries
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answered Jan 27 '13 at 3:54
Hasib Hasan ArnabHasib Hasan Arnab
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