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How to model type-safe enum types?
...nother class that is basically a wrapper around a string and can be freely converted in both directions (as is the case for Symbol). I guess that's what you meant when saying "It won't give you any type safety", it just wasn't very clear given that OP explicitly asked for type safe solutions. I wasn...
std::wstring VS std::string
...std::endl ; <- error
std::cout << "wtext : UNABLE TO CONVERT NATIVELY." << std::endl ;
std::wcout << L"wtext : " << wtext << std::endl;
std::cout << "sizeof(wtext) : " << sizeof(wtext) << std::endl ;
std::cout <...
How do I load a file from resource folder?
...ce returns a URL, not a file. The getFile method of java.net.URL does not convert a URL to a file; it just returns the path and query portions of the URL. You shouldn't even try to convert it to a File; just call openStream and read from that.
– VGR
Apr 7 '...
How do I create a datetime in Python from milliseconds?
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Just convert it to timestamp
datetime.datetime.fromtimestamp(ms/1000.0)
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Simplest SOAP example
...ross all browsers:
https://github.com/ilinsky/xmlhttprequest
This JS code converts XML into easy to use JavaScript objects:
http://www.terracoder.com/index.php/xml-objectifier
The JS code above can be included in the page to meet your no external library requirement.
var symbol = "MSFT";
var xml...
Is there a built in function for string natural sort?
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Try this:
import re
def natural_sort(l):
convert = lambda text: int(text) if text.isdigit() else text.lower()
alphanum_key = lambda key: [ convert(c) for c in re.split('([0-9]+)', key) ]
return sorted(l, key = alphanum_key)
Output:
['elm0', 'elm1', 'Elm...
What happens if you static_cast invalid value to enum class?
...tic.cast]/10
A value of integral or enumeration type can be explicitly converted to an enumeration type. The value is unchanged if the original value is within the range of the enumeration values (7.2). Otherwise, the resulting value is unspecified (and might not be in that range).
Let's look ...
Print a string as hex bytes?
...s hex doesn't really make sense; you'll want to print bytes object as hex (convert str to bytes by calling .encode()).
– mic_e
May 8 '15 at 12:53
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Encrypt & Decrypt using PyCrypto AES 256
...se a random, 16-byte IV.
iv = Random.new().read(AES.block_size)
# Convert the IV to a Python integer.
iv_int = int(binascii.hexlify(iv), 16)
# Create a new Counter object with IV = iv_int.
ctr = Counter.new(AES.block_size * 8, initial_value=iv_int)
# Create AES-CTR cipher...
What is the easiest/best/most correct way to iterate through the characters of a string in Java?
StringTokenizer ? Convert the String to a char[] and iterate over that? Something else?
15 Answers
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