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How do I read an entire file into a std::string in C++?
... way is to flush the stream buffer into a separate memory stream, and then convert that to std::string:
std::string slurp(std::ifstream& in) {
std::ostringstream sstr;
sstr << in.rdbuf();
return sstr.str();
}
This is nicely concise. However, as noted in the question this per...
Associating enums with strings in C#
...lue))
throw new InvalidEnumArgumentException(
"value", Convert.ToInt32(value), type);
// Get the static field for the value.
FieldInfo fi = type.GetField(value.ToString(),
BindingFlags.Static | BindingFlags.Public);
// Get the description attribute, if ther...
How to convert std::string to NSString?
Hi I am trying to convert a standard std::string into an NSString but I'm not having much luck.
6 Answers
...
How to read data when some numbers contain commas as thousand separator?
...terpret it properly, but you can use gsub to replace "," with "", and then convert the string to numeric using as.numeric:
y <- c("1,200","20,000","100","12,111")
as.numeric(gsub(",", "", y))
# [1] 1200 20000 100 12111
This was also answered previously on R-Help (and in Q2 here).
Alternative...
What is __future__ in Python used for and how/when to use it, and how it works
...t as a function:
>>> print('# of entries', len(dictionary), file=sys.stderr)
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Correct way to convert size in bytes to KB, MB, GB in JavaScript
... it doesn't suit your purpose.
Enjoy.
// pBytes: the size in bytes to be converted.
// pUnits: 'si'|'iec' si units means the order of magnitude is 10^3, iec uses 2^10
function prettyNumber(pBytes, pUnits) {
// Handle some special cases
if(pBytes == 0) return '0 Bytes';
if(pBytes == 1)...
Calling Python in Java?
...nterpreter interpreter = new PythonInterpreter();
interpreter.exec("import sys\nsys.path.append('pathToModules if they are not there by default')\nimport yourModule");
// execute a function that takes a string and returns a string
PyObject someFunc = interpreter.get("funcName");
PyObject result = so...
Hashing a string with Sha256
...What if you want to do a case insensitive comparison?” You also need to convert bytes in UTF-16 if you want to do this kind of stuff. The fact that it's fixed length does not help one bit.
– Arturo Torres Sánchez
Dec 23 '14 at 15:13
...
How to loop through all the properties of a class?
...prop.GetValue(obj));
}
This also provides easy access to things like TypeConverter for formatting:
string fmt = prop.Converter.ConvertToString(prop.GetValue(obj));
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Unpacking, extended unpacking and nested extended unpacking
... # a = 'X', b = 'Y', c = 'Z'
Applying the above rules, we convert "XY" to ('X', 'Y'), and cover the naked commas in parens:
((a, b), c) = (('X', 'Y'), 'Z')
The visual correspondence here makes it fairly obvious how the assignment works.
Here's an erroneous example:
(a,b), c = ...