It looks like there’s an extra space character in your string. You can use trim() to remove leading and trailing whitespaces: Or if you think the presence of a space means there’s something else wrong, you’ll have to look into it yourself, since we don’t have the rest of your code.
Which, not only is ugly and slow I’d dispute both. A regex or other string parsing method would be uglier and slower. I’m not sure that anything much could be faster than the above. It calls the function and returns. Try/Catch doesn’t introduce much overhead because the most common exception is caught without an extensive … Read more
Use sprintf(): All numbers that are representable by int will fit in a 12-char-array without overflow, unless your compiler is somehow using more than 32-bits for int. When using numbers with greater bitsize, e.g. long with most 64-bit compilers, you need to increase the array size—at least 21 characters for 64-bit types.
You can use Object.keys() and map() to do this
An ORA-01722 error occurs when an attempt is made to convert a character string into a number, and the string cannot be converted into a number. Without seeing your table definition, it looks like you’re trying to convert the numeric sequence at the end of your values list to a number, and the spaces that … Read more
Because a Person is not nessecarily a User, the compiler is not able to implicitly convert a Person to a User. In your particular case, since you know you have a list of Users, you can explicitly tell it, “I know this Person is actually a User” with the following: The cast ((User)) will throw an exception at runtime if the instance is not actually a User, but … Read more
One way to convert to string is to use astype: However, perhaps you are looking for the to_json function, which will convert keys to valid json (and therefore your keys to strings): Note: you can pass in a buffer/file to save this to, along with some other options…
Use chr() and ord():
Use chr() and ord():