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TypeError: 'dict_keys' object does not support indexing
...d.keys() to your shuffle function. Probably this was written with python2.x (when d.keys() returned a list). With python3.x, d.keys() returns a dict_keys object which behaves a lot more like a set than a list. As such, it can't be indexed.
The solution is to pass list(d.keys()) (or simply list(d...
Inspecting standard container (std::map) contents with gdb
...lso a bit frustrating that commands like "plist foo std::string" give syntax errors. It appears that the value_type can't contain any punctuation.
– Bklyn
Jan 9 '09 at 21:49
2
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Check if a variable is a string in JavaScript
...e) // displays "string"
alert(typeof stringObject) // displays "object"
Example from this webpage. (Example was slightly modified though).
This won't work as expected in the case of strings created with new String(), but this is seldom used and recommended against[1][2]. See the other answers for...
Releasing memory in Python
I have a few related questions regarding memory usage in the following example.
4 Answers
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Loop inside React JSX
I'm trying to do something like the following in React JSX (where ObjectRow is a separate component):
66 Answers
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How to get current CPU and RAM usage in Python?
...s (current CPU, RAM, free disk space, etc.) in Python? Bonus points for *nix and Windows platforms.
15 Answers
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How to manage REST API versioning with spring?
I've been searching how to manage a REST API versions using Spring 3.2.x, but I haven't find anything that is easy to maintain. I'll explain first the problem I have, and then a solution... but I do wonder if I'm re-inventing the wheel here.
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How to pick just one item from a generator?
... generator using
g = myfunct()
Everytime you would like an item, use
next(g)
(or g.next() in Python 2.5 or below).
If the generator exits, it will raise StopIteration. You can either catch this exception if necessary, or use the default argument to next():
next(g, default_value)
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How do I match any character across multiple lines in a regular expression?
For example, this regex
24 Answers
24
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
...lem is that when you have a macro replacement, the preprocessor will only expand the macros recursively if neither the stringizing operator # nor the token-pasting operator ## are applied to it. So, you have to use some extra layers of indirection, you can use the token-pasting operator with a recu...