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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...
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...
How to escape single quotes within single quoted strings
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Is there a way to pass the DB user password into the command line tool mysqladmin?
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3 Answers
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How to escape a JSON string containing newline characters using JavaScript?
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avngr
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answered Nov 23 '10 at 6:41
AlexAlex
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React.js: Wrapping one component into another
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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
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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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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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