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Pandas read_csv low_memory and dtype options
... do anything, since to numpy, a unicode is represented as object.
Usage of converters
@sparrow correctly points out the usage of converters to avoid pandas blowing up when encountering 'foobar' in a column specified as int. I would like to add that converters are really heavy and inefficient to use ...
PHP equivalent of .NET/Java's toString()
How do I convert the value of a PHP variable to string?
24 Answers
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Convert a Map to a POJO
I've been looking at Jackson, but is seems I would have to convert the Map to JSON, and then the resulting JSON to the POJO.
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Alternative to itoa() for converting integer to string C++? [duplicate]
I was wondering 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 do I parse a string to a float or int?
...nteger: ValueError: invalid literal for int() with base 10: '545.222', but converting from a float to an int is a supported conversion.
– David Parks
May 7 '18 at 17:46
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How do I create a URL shortener?
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I would continue your "convert number to string" approach. However, you will realize that your proposed algorithm fails if your ID is a prime and greater than 52.
Theoretical background
You need a Bijective Function f. This is necessary so that y...
How to convert jsonString to JSONObject in Java
... What if I don't know the structure of the string. More clearly, how can I convert a Dynamic generated jsonString to jsonObject?
– Saumyaraj
Mar 20 '14 at 7:02
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How to determine a Python variable's type?
...implemented as a long in C. When integers get bigger than this, we usually convert them to Python longs (with unlimited precision, not to be confused with C longs).
For example, in a 32 bit Python 2, we can deduce that int is a signed 32 bit integer:
>>> import sys
>>> format(sys....
How to create a string with format?
I need to create a string with format which can convert int, long, double etc. types into string. Using Obj-C, I can do it via below way.
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Converting a Date object to a calendar object [duplicate]
...);
date = (Date)formatter.parse(date.toString());
DateFormat is used to convert Strings to Dates (parse()) or Dates to Strings (format()). You are using it to parse the String representation of a Date back to a Date. This can't be right, can it?
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