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Why do I need 'b' to encode a string with Base64?
...mail.
Hence, it wants a string of 8-bit bytes. You create those in Python 3 with the b'' syntax.
If you remove the b, it becomes a string. A string is a sequence of Unicode characters. base64 has no idea what to do with Unicode data, it's not 8-bit. It's not really any bits, in fact. :-)
In your ...
How to declare std::unique_ptr and what is the use of it?
...accepts a T*).
In the first example:
unique_ptr<int> uptr (new int(3));
The pointer is the result of a new expression, while in the second example:
unique_ptr<double> uptr2 (pd);
The pointer is stored in the pd variable.
Conceptually, nothing changes (you are constructing a uniqu...
Maximum length for MD5 input/output
... a fixed-length output of 128 bits, typically represented as a sequence of 32 hexadecimal digits.
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Why does Lua have no “continue” statement?
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edited Apr 1 '13 at 20:56
finnw
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How to subtract date/time in JavaScript? [duplicate]
...e() - new Date(dateStr.replace(/-/g,'/')));
i.e. turning "2011-02-07 15:13:06" into new Date('2011/02/07 15:13:06'), which is a format the Date constructor can comprehend.
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How exactly does a generator comprehension work?
...s each item out of the expression, one by one.
>>> my_list = [1, 3, 5, 9, 2, 6]
>>> filtered_list = [item for item in my_list if item > 3]
>>> print(filtered_list)
[5, 9, 6]
>>> len(filtered_list)
3
>>> # compare to generator expression
...
>>&...
Reimport a module in python while interactive
...
389
This should work:
reload(my.module)
From the Python docs
Reload a previously imported m...
Using a dictionary to count the items in a list [duplicate]
...
in 2.7 and 3.1 there is special Counter dict for this purpose.
>>> from collections import Counter
>>> Counter(['apple','red','apple','red','red','pear'])
Counter({'red': 3, 'apple': 2, 'pear': 1})
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TypeError: not all arguments converted during string formatting python
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answered Aug 5 '13 at 8:19
nneonneonneonneo
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How to replace text between quotes in vi
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183
Use ci", which means: change what inside the double quotes.
You can also manipulate other tex...