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How to try convert a string to a Guid [duplicate]
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If all you want is some very basic error checking, you could just check the length of the string.
string guidStr = "";
if( guidStr.Length == Guid.Empty.ToString().Length )
Guid g = new Guid( guidStr );
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Find string between two substrings [duplicate]
... end = s.index( last, start )
return s[start:end]
except ValueError:
return ""
def find_between_r( s, first, last ):
try:
start = s.rindex( first ) + len( first )
end = s.rindex( last, start )
return s[start:end]
except ValueError:
return...
pg_config executable not found
I am having trouble installing psycopg2. I get the following error when I try to pip install psycopg2 :
43 Answers
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How to remove the first character of string in PHP?
...et($str[0])
will not work as you cannot unset part of a string:-
Fatal error: Cannot unset string offsets
Convert boolean to int in Java
...er of readability. foo && (!bar || baz) ? 1 : 0 would be a syntax error. (I know it's been 6 years)
– Konrad Morawski
Apr 26 '16 at 11:23
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What is the Python 3 equivalent of “python -m SimpleHTTPServer”
...se python3 -m http.server 8081 --bind 127.0.0.1, otherwise you will get an error that /usr/bin/python: No module named http
– Haris Np
May 16 '19 at 8:06
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ld cannot find an existing library
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it did not solve the error cannot fine -LGL . could you please give more information on what libtool does and how it solves library issues?
– Shahryar Saljoughi
May 9 '17 at 10:06
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python capitalize first letter only
...t(y)
# 0ThisIsCamelCase
As @Xan pointed out, the function could use more error checking (such as checking that x is a sequence - however I'm omitting edge cases to illustrate the technique)
Updated per @normanius comment (thanks!)
Thanks to @GeoStoneMarten in pointing out I didn't answer the que...
Positive Number to Negative Number in JavaScript?
...3-1 => false
so slideNum remains positive??
It looks more like a logic error to me.
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How do I tell CPAN to install all dependencies?
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If you get an error Can't locate object method "install" via package "xxx" at -e line 1. add a "+" right before the module name.
– Yann Sagon
Mar 28 '14 at 16:12
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