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hexadecimal string to byte array in python
...ex string that represents a series of values of different types. I wish to convert this Hex String into a byte array so that I can shift each value out and convert it into its proper data type.
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Passing variable number of arguments around
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To pass the ellipses on, you have to convert them to a va_list and use that va_list in your second function. Specifically;
void format_string(char *fmt,va_list argptr, char *formatted_string);
void debug_print(int dbg_lvl, char *fmt, ...)
{
char formatt...
How to convert floats to human-readable fractions?
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Here's a link explaining the math behind converting a decimal to a fraction:
http://www.webmath.com/dec2fract.html
And here's an example function for how to actually do it using VB (from www.freevbcode.com/ShowCode.asp?ID=582):
Public Function Dec2Frac(ByVal f As...
ValueError: setting an array element with a sequence
...2,3]) #good
numpy.array([1, (2,3)]) #Fail, can't convert a tuple into a numpy
#array element
numpy.mean([5,(6+7)]) #good
numpy.mean([5,tuple(range(2))]) #Fail, can't convert a tuple into a numpy
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'Static readonly' vs. 'const'
... preferred (any short is an object, but not all object are short). So y is converted to short, and that overload is used. Then Equals compares two short of identical value, and that gives true.
When y is not a constant, no implicit conversion from int to short exists. That's because in general an i...
Concept of void pointer in C programming
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In C, a void * can be converted to a pointer to an object of a different type without an explicit cast:
void abc(void *a, int b)
{
int *test = a;
/* ... */
This doesn't help with writing your function in a more generic way, though.
You...
Casting vs using the 'as' keyword in the CLR
... The cast is
// the best code if that's the behaviour you want.
TargetType convertedRandomObject = (TargetType) randomObject;
If randomObject might be an instance of TargetType and TargetType is a reference type, then use code like this:
TargetType convertedRandomObject = randomObject as TargetTyp...
tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
...tCharacterRef( const char* p, char* value, int* length );
static void ConvertUTF32ToUTF8( unsigned long input, char* output, int* length );
// converts primitive types to strings
static void ToStr( int v, char* buffer, int bufferSize );
static void ToStr( unsigned v, char* buff...
Simple insecure two-way data “obfuscation”?
...region
return UTFEncoder.GetString(decryptedBytes);
}
/// Convert a string to a byte array. NOTE: Normally we'd create a Byte Array from a string using an ASCII encoding (like so).
// System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
// return ...
Java's L number (long) specification
...riable like: long _lo = 30; and not 30L does this mean my variable will be converted into float ? Or in case of _lo = _lo + 2.77 that _lo will be casted into float although it was declared as long
– luigi7up
Oct 19 '12 at 10:28
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