romnum | Roman Numerals Kata in Go
kandi X-RAY | romnum Summary
kandi X-RAY | romnum Summary
A Number to Roman Numerals converter written in Go followed by TDD pattern. Wrote this after getting inpired by watching this video on Youtube.
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QUESTION
I'm having trouble combining powershell native regex capture group syntax $n
with the .net one $args.groups[n].value
.
The HTML code is as follows:
ANSWER
Answered 2020-May-15 at 19:26There's only one syntax - -replace
internally calls Regex.Replace()
, and Regex.Replace()
also supports $N
references.
Your problem is two-fold - first, when you use double-quotes, like so: "$1"
, PowerShell will attempt to expand/resolve $1
as a variable before the substitution pattern is passed to -replace
.
Second problem is that PowerShell only expands variable values in double-quoted strings, not whole expressions. For that, you need to enclose the expression in a subexpression $()
.
So, either escape the $
with a backtick (`
) and enclose the expression in $()
, or use a single-quoted string:
QUESTION
dictionary_name = {'name': 'John', 'Age': '20'}
name = dictionary_name.pop('name')
print(name)
...ANSWER
Answered 2020-Jan-16 at 01:57I found it out. This is the solution:
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