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Counting array elements in Python [duplicate]
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304
The method len() returns the number of elements in the list.
Syntax:
len(myArray)
Eg:
myAr...
Rotating a two-dimensional array in Python
...nclose the whole thing in list() to get an actual list back out, so as of 2020 it's actually:
list(zip(*original[::-1]))
Here's the breakdown:
[::-1] - makes a shallow copy of the original list in reverse order. Could also use reversed() which would produce a reverse iterator over the list rather...
“Wrong type argument: commandp” error when binding a lambda to a key
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answered Aug 9 '09 at 7:04
brendanbrendan
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How do I undo a checkout in git?
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edited Aug 31 '10 at 2:31
answered Aug 30 '10 at 15:41
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Should I use scipy.pi, numpy.pi, or math.pi?
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202
>>> import math
>>> import numpy as np
>>> import scipy
>>>...
How to get result of console.trace() as string in javascript with chrome or firefox?
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103
I'm not sure about firefox, but in v8/chrome you can use a method on the Error constructor call...
Using build types in Gradle to run same app that uses ContentProvider on one device
...ing it.
First of all at the moment I am working with:
Android Studio Beta 0.8.2
Gradle plugin 0.12.+
Gradle 1.12
My goal is to run Debug version along with Release version on the same device using the same ContentProvider.
In build.gradle of your app set suffix for Debug build:
buildTypes {
d...
Vim: How do you open another [No Name] buffer like the one on startup?
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answered Dec 18 '10 at 13:18
Randy MorrisRandy Morris
35.9k55 gold badges6262 silver badges7373 bronze badges
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Why does gulp.src not like being passed an array of complete paths to files?
...run
– Cynthia Sanchez
Sep 7 '15 at 10:44
4
There's probably always a common base somewhere in the...
string sanitizer for filename
... you are happy to be used? For example, you could allow just good ol' a-z, 0-9, _, and a single instance of a period (.). That's obviously more limiting than most filesystems, but should keep you safe.
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