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Counting array elements in Python [duplicate]
...value you are looking for. For instance:
import numpy as np
a = np.arange(10).reshape(2, 5)
print len(a) == 2
This code block will return true, telling you the size of the array is 2. However, there are in fact 10 elements in this 2D array. In the case of multi-dimensional arrays, len() gives you...
JAX-RS / Jersey how to customize error handling?
...sight though.
– Jon Onstott
Jan 22 '10 at 22:12
65
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
...is the other way around:
def foo(a, b, c):
print(a, b, c)
obj = {'b':10, 'c':'lee'}
foo(100,**obj)
# 100 10 lee
Another usage of the *l idiom is to unpack argument lists when calling a function.
def foo(bar, lee):
print(bar, lee)
l = [1,2]
foo(*l)
# 1 2
In Python 3 it is possible t...
Adding a column to a data.frame
... 2 0.98086928 0.33093795 1
3 3 0.28908651 0.74077119 1
4 4 0.10476768 0.56784786 1
5 1 0.75478995 0.60479945 2
6 2 0.26974011 0.95231761 2
7 3 0.53676266 0.74370154 2
8 4 0.99784066 0.37499294 2
9 5 0.89771767 0.83467805 2
10 6 0.05363139 0.32066178 ...
How to set timer in android?
....currentTimeMillis() - starttime;
int seconds = (int) (millis / 1000);
int minutes = seconds / 60;
seconds = seconds % 60;
text.setText(String.format("%d:%02d", minutes, seconds));
return false;
}
});
//runs without timer be...
How do I start PowerShell from Windows Explorer?
...er font.
– Michael S.
Feb 14 '15 at 10:38
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Random “Element is no longer attached to the DOM” StaleElementReferenceException
... the element to become present:
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS)
In my experience though, explicitly waiting is always more reliable.
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Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
... [A-Za-z0-9_] word characters (including the underscore)
Example at regex101.com
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Accessing a Shared File (UNC) From a Remote, Non-Trusted Domain With Credentials
...
10 Answers
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Swipe to Delete and the “More” button (like in Mail app on iOS 7)
...suggest few hints.
– Solid Soft
Oct 10 '14 at 9:27
@SolidSoft Do you have an example project I could look at? I might ...