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Using 'return' in a Ruby block
...value = block.call
irb(main):003:1> puts "value=#{value}"
irb(main):004:1> end
=> nil
irb(main):005:0>
irb(main):006:0* thing {
irb(main):007:1* return 6 * 7
irb(main):008:1> }
LocalJumpError: unexpected return
from (irb):7:in `block in irb_binding'
from (irb):2:in...
How to remove specific elements in a numpy array
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For your specific question:
import numpy as np
a = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9])
index = [2, 3, 6]
new_a = np.delete(a, index)
print(new_a) #Prints `[1, 2, 5, 6, 8, 9]`
Note that numpy.delete() returns a new array since array scalars are immutable, similar to strings in Python, so e...
Replace whitespaces with tabs in linux
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answered Sep 14 '09 at 22:03
DigitalRossDigitalRoss
132k2323 gold badges226226 silver badges307307 bronze badges
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Is there a method to generate a UUID with go language
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u[8] = (u[8] | 0x80) & 0xBF // what's the purpose ?
u[6] = (u[6] | 0x40) & 0x4F // what's the purpose ?
These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, th...
Is a one column table good design? [closed]
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answered Jun 4 '09 at 17:22
Erik FunkenbuschErik Funkenbusch
89.5k2525 gold badges173173 silver badges272272 bronze badges
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How do I find the stack trace in Visual Studio?
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edited Dec 17 '15 at 22:40
Jim Aho
4,98577 gold badges4141 silver badges6565 bronze badges
answered Ju...
Rails 3.1: Engine vs. Mountable App
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143
I have noticed the following:
Full Engine
With a full engine, the parent application inherit...
Can you break from a Groovy “each” closure?
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194
Nope, you can't abort an "each" without throwing an exception. You likely want a classic loop i...
How to sort objects by multiple keys in Python?
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community wiki
14 revs, 4 users 85%hughdbrown
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