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What does the 'b' character do in front of a string literal?
... it indicates that the
literal should become a bytes literal
in Python 3 (e.g. when code is
automatically converted with 2to3). A
'u' or 'b' prefix may be followed by
an 'r' prefix.
The Python 3 documentation states:
Bytes literals are always prefixed with 'b' or 'B'; they produce an...
How do I compute derivative using Numpy?
...
143
You have four options
Finite Differences
Automatic Derivatives
Symbolic Differentiation
Compu...
How to convert a factor to integer\numeric without loss of information?
...
734
See the Warning section of ?factor:
In particular, as.numeric applied to
a factor is mean...
Class 'DOMDocument' not found
...
318
You need to install the DOM extension. You can do so on Debian / Ubuntu using:
sudo apt-get in...
How to limit setAccessible to only “legitimate” uses?
...
3 Answers
3
Active
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Lock Escalation - What's happening here?
...
3 Answers
3
Active
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How to find index of list item in Swift?
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831
As swift is in some regards more functional than object-oriented (and Arrays are structs, not o...
Print new output on same line [duplicate]
...word:
>>> for i in range(1, 11):
... print(i, end='')
...
12345678910>>>
Note that you'll have to print() the final newline yourself. BTW, you won't get "12345678910" in Python 2 with the trailing comma, you'll get 1 2 3 4 5 6 7 8 9 10 instead.
...
How to use UIScrollView in Storyboard
... on Attribute Inspector.
2: change Size to Freeform instead of Inferred.
3: Go to the main view on that storyboard, not your scrollview but rather the top level view.
4: Click Size Inspector and set this view to your desired size. I changed my height to 1000.
Now you will see that you storyboar...
What is the difference between “INNER JOIN” and “OUTER JOIN”?
...ables, with a single column each, and data as follows:
A B
- -
1 3
2 4
3 5
4 6
Note that (1,2) are unique to A, (3,4) are common, and (5,6) are unique to B.
Inner join
An inner join using either of the equivalent queries gives the intersection of the two tables, i.e. the two r...