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Converting datetime.date to UTC timestamp in Python
...esents time in UTC to the corresponding POSIX timestamp (a float).
Python 3.3+
datetime.timestamp():
from datetime import timezone
timestamp = dt.replace(tzinfo=timezone.utc).timestamp()
Note: It is necessary to supply timezone.utc explicitly otherwise .timestamp() assume that your naive datet...
mongoDB/mongoose: unique if not null
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As of MongoDB v1.8+ you can get the desired behavior of ensuring unique values but allowing mult...
How do I capture the output of a script if it is being ran by the task scheduler?
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edited Sep 3 '13 at 23:50
Igor
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Remove characters from NSString?
... Mundi
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answered May 29 '09 at 12:45
Tom JefferysTom Jefferys
12.6...
What is the mouse down selector in CSS?
...ticed that buttons and other elements have a default styling and behave in 3 steps: normal view, hover/focus view and mousedown/click view, in CSS I can change the styling of normal view and hover view like this:
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React.js: Wrapping one component into another
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3 Answers
3
Active
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Open a file with su/sudo inside Emacs
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edited May 9 '13 at 3:44
answered Sep 19 '08 at 2:17
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Why can lambdas be better optimized by the compiler than plain functions?
...in = f(*begin);
}
Calling it with a lambda like this:
int a[] = { 1, 2, 3, 4 };
map(begin(a), end(a), [](int n) { return n * 2; });
Results in this instantiation (created by the compiler):
template <>
void map<int*, _some_lambda_type>(int* begin, int* end, _some_lambda_type f) {
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Query for array elements inside JSON type
I'm trying to test out the json type in PostgreSQL 9.3.
I have a json column called data in a table called reports . The JSON looks something like this:
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Java variable number or arguments for a method
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edited Oct 20 '17 at 1:43
ErikE
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answered...