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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
...453-0400 or 2008-09-03T20:56:35.450686+05:00 use the following. These will convert all variations into something without variable delimiters like 20080903T205635.450686+0500 making it more consistent/easier to parse.
import re
# This regex removes all colons and all
# dashes EXCEPT for the dash ind...
How to round an average to 2 decimal places in PostgreSQL?
...ording to Bryan's response you can do this to limit decimals in a query. I convert from km/h to m/s and display it in dygraphs but when I did it in dygraphs it looked weird. Looks fine when doing the calculation in the query instead. This is on postgresql 9.5.1.
select date,(wind_speed/3.6)::numeri...
android get real path by Uri.getPath()
...
Sorry and If I want to convert this image to file , without getting the real path how to do it ?
– Chlebta
Nov 24 '14 at 10:44
9...
What are the advantages of NumPy over regular Python lists?
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I've been trying to use "sys.getsizeof()" to compare the size of Python lists and NumPy arrays with the same number of elements and it doesn't seem to indicate that the NumPy arrays were that much smaller. Is this the case or is sys.getsizeof() havin...
Get Unix Epoch Time in Swift
... to get for a given date
Int(myDate.timeIntervalSince1970)
If you want to convert back from UNIX time epoch to Swift Date time, you can use following
let date = Date(timeIntervalSince1970: unixtEpochTime)
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How to get the number of characters in a std::string?
...ng length
std::cout << strlen(str.c_str()) << std::endl; // convert C++ string to C-string then call strlen
return 0;
}
Output:
6
6
6
6
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Why does int num = Integer.getInteger(“123”) throw NullPointerException?
... is not the name of any system property, as discussed here.
If you want to convert this String to int, then use the method as
int num = Integer.parseInt("123").
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Copy constructor for a class with unique_ptr
... unique_ptr can not be shared, you need to either deep-copy its content or convert the unique_ptr to a shared_ptr.
class A
{
std::unique_ptr< int > up_;
public:
A( int i ) : up_( new int( i ) ) {}
A( const A& a ) : up_( new int( *a.up_ ) ) {}
};
int main()
{
A a( 42 );
A ...
What is the Scala identifier “implicitly”?
...ontain a member selection that is applicable to args (even after trying to convert args with Implicit Views). In this case, the compiler looks for implicit members, locally defined in the current or enclosing scopes, inherited, or imported, that are either Functions from the type of that the.prefix ...
Generate an integer that is not among four billion given ones
...lize hardware-supported vector instructions. I think gcc can automatically convert code to using vector operations in some cases though.
– Brian Gordon
Aug 23 '11 at 15:57
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