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how to change any data type into a string in python
How can I change any data type into a string in Python?
10 Answers
10
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Remove substring from the string
I am just wondering if there is any method to remove string from another string?
Something like this:
10 Answers
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Unable to cast object of type 'System.DBNull' to type 'System.String`
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A shorter form can be used:
return (accountNumber == DBNull.Value) ? string.Empty : accountNumber.ToString()
EDIT: Haven't paid attention to ExecuteScalar. It does really return null if the field is absent in the return result. So use instead:
return (accountNumber == null) ? string.Empty :...
Warning: “format not a string literal and no format arguments”
...r userInfo]);
Or, since you say errorMsgFormat is a format string with a single placeholder, are you trying to do this?
NSLog(@"%@, %@", [NSString stringWithFormat:errorMsgFormat, error],
[error userInfo]);
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Alternative to itoa() for converting integer to string C++? [duplicate]
...ing if there was an alternative to itoa() for converting an integer to a string because when I run it in visual Studio I get warnings, and when I try to build my program under Linux, I get a compilation error.
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How to do URL decoding in Java?
...t have anything to do with character encodings such as UTF-8 or ASCII. The string you have there is URL encoded. This kind of encoding is something entirely different than character encoding.
Try something like this:
try {
String result = java.net.URLDecoder.decode(url, StandardCharsets.UTF_8....
Double vs single quotes
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" " allows you to do string interpolation, e.g.:
world_type = 'Mars'
"Hello #{world_type}"
share
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improve this answer
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:: (double colon) operator in Java 8
...r<Integer> b1 = System::exit; // void exit(int status)
Consumer<String[]> b2 = Arrays::sort; // void sort(Object[] a)
Consumer<String> b3 = MyProgram::main; // void main(String... args)
class Hey {
public double getRandom() {
return Math.random();
}
}
Callable&...
ValueError : I/O operation on closed file
Here, p is a dictionary, w and c both are strings.
2 Answers
2
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PHP - How to check if a string contains a specific text [duplicate]
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@Blender sorry, you're right. I was thinking of the .NET String.IndexOf which returns -1 in event of a non-match. I've corrected my answer.
– Dai
Mar 9 '13 at 1:54
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