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Chrome sendrequest error: TypeError: Converting circular structure to JSON
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@FelixKling Unfortunately I couldn't get that to work (might have been doing something wrong) I ended up using this: github.com/isaacs/json-stringify-safe
– Doug Molineux
Nov 13 '15 at 20:22
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How to sort two lists (which reference each other) in the exact same way
...at's easily remedied, if it matters:
>>> list1, list2 = (list(t) for t in zip(*sorted(zip(list1, list2))))
>>> list1
[1, 1, 2, 3, 4]
>>> list2
['one', 'one2', 'two', 'three', 'four']
It's worth noting that the above may sacrifice speed for terseness; the in-place versio...
What does enumerate() mean?
What does for row_number, row in enumerate(cursor): do in Python?
5 Answers
5
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Can't find the PostgreSQL client library (libpq)
I'm trying to install PostgreSQL for Rails on Mac OS X 10.6. First I tried the MacPorts install but that didn't go well so I did the one-click DMG install. That seemed to work.
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What is the difference between save and insert in Mongo DB?
...he same.
save behaves differently if it is passed with an "_id" parameter.
For save, If the document contains _id, it will upsert querying the collection on the _id field, If not, it will insert.
If a document does not exist with the specified _id value, the save() method performs an insert with th...
Why is using 'eval' a bad practice?
...', 'Artist', 'Album', 'Genre', 'Location')
def __init__(self):
for att in self.attsToStore:
setattr(self, att.lower(), None)
def setDetail(self, key, val):
if key in self.attsToStore:
setattr(self, key.lower(), val)
EDIT:
There are some cases where ...
What is the iPad user agent?
...he accepted answer above isn't it anymore. You can't check the user agent for 'iPhone', has to be 'iPad'. I think jleedev's link above is closer to the real deal: Mozilla/5.0 (iPad; U; CPU OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B334b Safari/53...
Regex lookahead, lookbehind and atomic groups
...these things in my regex body but I haven't got a clue what I can use them for.
Does somebody have examples so I can try to understand how they work?
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Compare object instances for equality by their attributes
...sh__:
class MyClass:
...
def __hash__(self):
# necessary for instances to behave sanely in dicts and sets.
return hash((self.foo, self.bar))
A general solution, like the idea of looping through __dict__ and comparing values, is not advisable - it can never be truly genera...
What is the “__v” field in Mongoose
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@ExplosionPills for future reference: no. The version key is only incremented after operations that could cause a conflict, modifying array positions. Other updates won't increment it. The original release post explains it in detail: aaronhe...