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How to remove a field from params[:something]
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214
Rails 4/5 - edited answer
(see comments)
Since this question was written newer versions of Ra...
ipython notebook clear cell output in code
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275
You can use IPython.display.clear_output to clear the output of a cell.
from IPython.display ...
Select 50 items from list at random to write to file
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278
If the list is in random order, you can just take the first 50.
Otherwise, use
import random...
The modulo operation on negative numbers in Python
...the denominator (divisor). Your expression yields 3 because
(-5) / 4 = -1.25 --> floor(-1.25) = -2
(-5) % 4 = (-2 × 4 + 3) % 4 = 3.
It is chosen over the C behavior because a nonnegative result is often more useful. An example is to compute week days. If today is Tuesday (day #2), what is the...
How to exit a function in bash
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Aug 4 '13 at 11:12
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Sorting Python list based on the length of the string
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205
When you pass a lambda to sort, you need to return an integer, not a boolean. So your code sh...
Using PropertyInfo to find out the property type
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2 Answers
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What is the JSF resource library for and how should it be used?
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256
Actually, all of those examples on the web wherein the common content/file type like "js", "cs...
How do I draw a grid onto a plot in Python?
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223
You want to use pyplot.grid:
x = numpy.arange(0, 1, 0.05)
y = numpy.power(x, 2)
fig = plt.fi...
How do you make lettered lists using markdown?
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Andrew Mascillaro
3691212 bronze badges
answered Mar 15 '13 at 0:01
creativecodercreativecoder
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