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How do I find numeric columns in Pandas?
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Exactly. As a best practice I try to use and convert to as many numpy methods as possible. This is due to pandas dynamism. The API changes frequently. For undocumented methods it's just plain reckless, no matter how useful it is.
– mik
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What do numbers using 0x notation mean?
...omplement- a clever way that does not require '-' sign. So, it's basically converting from binary to hex, negative or positive.
– Shuvo Sarker
Mar 6 at 21:05
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What is the use of the @Temporal annotation in Hibernate?
...ion is not specified in core Java APIs. @Temporal is a JPA annotation that converts back and forth between timestamp and java.util.Date. It also converts time-stamp into time. For example, in the snippet below, @Temporal(TemporalType.DATE) drops the time value and only preserves the date.
@Temporal...
SQL Server SELECT into existing table
...(SELECT DISTINCT
SUBSTRING(
(
SELECT ', table1.' + SYSCOL1.name AS [text()]
FROM sys.columns SYSCOL1
WHERE SYSCOL1.object_id = SYSCOL2.object_id and SYSCOL1.is_identity <> 1
ORDER BY SYSCOL1.object_id
FOR XML PATH ('')
...
Array extension to remove object by value
... implement this using extensions.
The reason you get the error 'T' is not convertible to 'T' is that you are actually defining a new T in your method that is not related at all to the original T. If you wanted to use T in your method, you can do so without specifying it on your method.
The reason ...
Why are floating point numbers inaccurate?
...11001100110011001100110011001100110011001100110 x 1011
Which we can then convert from binary to decimal:
1.1499999999999999 x 23 (inexact!)
And multiply to reveal the final representation of the number we started with (9.2) after being stored as a floating point value:
9.1999999999999993...
Python - abs vs fabs
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math.fabs() converts its argument to float if it can (if it can't, it throws an exception). It then takes the absolute value, and returns the result as a float.
In addition to floats, abs() also works with integers and complex numbers. I...
Check if a number has a decimal place/is a whole number
...s whether a number is whole or not. If your input is a string, you need to convert it into a number first e.g. via parseFloat(), of course.
– le_m
Apr 22 '19 at 11:43
add a co...
Position of least significant bit that is set
...n here or one of the ones on the Bit Twiddling Hacks page can trivially be converted to give lowest set bit using the above identities and has the advantage of being branchless.
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JSON formatter in C#?
... and call SerializeObject with the Formatting.Indented enum -
var x = JsonConvert.SerializeObject(jsonString, Formatting.Indented);
Documentation: Serialize an Object
Update -
Just tried it again. Pretty sure this used to work - perhaps it changed in a subsequent version or perhaps i'm just ...