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I want to delete all bin and obj folders to force all projects to rebuild everything
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433
This depends on the shell you prefer to use.
If you are using the cmd shell on Windows then th...
Is arr.__len__() the preferred way to get the length of an array in Python?
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1233
my_list = [1,2,3,4,5]
len(my_list)
# 5
The same works for tuples:
my_tuple = (1,2,3,4,5)
len...
Get property value from string using reflection
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edited May 3 '13 at 23:12
answered Jul 28 '09 at 22:02
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
...wo arrays to be evaluated in boolean context (by
calling __bool__ in Python3 or __nonzero__ in Python2).
Your original code
mask = ((r["dt"] >= startdate) & (r["dt"] <= enddate))
selected = r[mask]
looks correct. However, if you do want and, then instead of a and b use (a-b).any() or ...
Bash array with spaces in elements
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Any of these declarations of $FILES should work:
FILES=(2011-09-04\ 21.43.02.jpg
2011-09-05\ 10.23.14.jpg
2011-09-09\ 12.31.16.jpg
2011-09-11\ 08.43.12.jpg)
or
FILES=("2011-09-04 21.43.02.jpg"
"2011-09-05 10.23.14.jpg"
"2011-09-09 12.31.16.jpg"
"2011-09-11 08.43.12.jpg")
or
FILES[0]="2011-0...
How to pass command line arguments to a shell alias? [duplicate]
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– kaizer1v
Nov 10 '17 at 3:46
8
@kaizer1v, My observation on CentOS7.3 bash version 4....
How to enable curl, installed Ubuntu LAMP stack?
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answered May 30 '10 at 18:36
rabidmachine9rabidmachine9
6,9891010 gold badges4141 silver badges5757 bronze badges
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How to use background thread in swift?
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Swift 3.0+
A lot has been modernized in Swift 3.0. Running something on the background thread looks like this:
DispatchQueue.global(qos: .background).async {
print("This is run on the background queue")
DispatchQueue.mai...
Getting number of elements in an iterator in Python
...1?
– Mike Williamson
Mar 11 '14 at 23:33
Interesting, so it's the halting problem
– Akababa
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How to copy Docker images from one host to another without using a repository
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edited Aug 20 '19 at 10:33
Gautam Krishna R
1,5571616 silver badges2525 bronze badges
answered May 29 ...