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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
...
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 ...
What is the best way to auto-generate INSERT statements for a SQL Server table?
...data (Extended characters or Unicode). If needed
you might want to convert the datatypes of character variables in this procedure to their respective unicode counterparts
like nchar and nvarchar
Example 1: To generate INSERT statements for table 'titles':
EXEC sp_generate...
Passing variable number of arguments around
...
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...
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...
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...
'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
...
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...
convert ArrayList to JSONArray
... an ArrayAdapter for a ListView. I need to take the items in the list and convert them to a JSONArray to send to an API. I've searched around, but haven't found anything that explains how this might work, any help would be appreciated.
...
What is the difference between const_iterator and non-const iterator in the C++ STL?
...a const violation, in my opinion). If you want do that anyway, you have to convert it to a non-const iterator using std::advance() or boost::next(). Eg. boost::next(container.begin(), std::distance(container.begin(), the_const_iterator_we_want_to_unconst)). If container is a std::list, then the runn...