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How to remove item from list in C#?
... use Remove(T item):
var itemToRemove = resultlist.Single(r => r.Id == 2);
resultList.Remove(itemToRemove);
When you are not sure the item really exists you can use SingleOrDefault. SingleOrDefault will return null if there is no item (Single will throw an exception when it can't find the item...
What is a plain English explanation of “Big O” notation?
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
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From the Java 11 BigDecimal docs:
When a MathContext object is supplied with a precision settin...
How to store standard error in a variable
...d output.
ERROR=$( { ./useless.sh | sed s/Output/Useless/ > outfile; } 2>&1 )
Note that the semi-colon is needed (in classic shells - Bourne, Korn - for sure; probably in Bash too). The '{}' does I/O redirection over the enclosed commands. As written, it would capture errors from sed ...
How to subtract 2 hours from user's local time?
...e JavaScript code block that will allow me to display the local time minus 2 hours?
2 Answers
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Unpacking, extended unpacking and nested extended unpacking
...et's see how it works for a slightly more complex example:
(a,b), c, = [1,2],'this' # a = '1', b = '2', c = 'this'
Applying the above rules, we get
((a, b), c) = ((1, 2), ('t', 'h', 'i', 's'))
But now it's clear from the structure that 'this' won't be unpacked, but assigned directl...
How do I modify fields inside the new PostgreSQL JSON datatype?
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Find row where values for column is maximal in a pandas DataFrame
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Use the pandas idxmax function. It's straightforward:
>>> import pandas
>>>...
Scala how can I count the number of occurrences in a list
I want to implement it like this: list.count(2) (returns 3).
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