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How do I grant myself admin access to a local SQL Server instance?
...LE [sysadmin] ADD MEMBER [<<DOMAIN\USERNAME>>]; and do not add extra semicolon after GO or the command never executes.
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Generate a random alphanumeric string in Cocoa
...ll a method, pass it the length and have it generate a random alphanumeric string.
20 Answers
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std::string length() and size() member functions
...ion and found that there is actually a method called length() for std::string (I always used size() ). Is there any specific reason for having this method in std::string class? I read both MSDN and CppRefernce, and they seem to indicate that there is no difference between size() and lengt...
How to initialize private static members in C++?
... above if the static member variable is of const int type (e.g. int, bool, char). You can then declare and initialize the member variable directly inside the class declaration in the header file:
class foo
{
private:
static int const i = 42;
};
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Convert a Unicode string to a string in Python (containing extra symbols)
How do you convert a Unicode string (containing extra characters like £ $, etc.) into a Python string?
9 Answers
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Convert any object to a byte[]
...for the .Net platform
Binary Serialization
XML Serialization: Produces a string which is easily convertible to a byte[]
ProtoBuffers
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How to convert a string or integer to binary in Ruby?
How do you create integers 0..9 and math operators + - * / in to binary strings.
For example:
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How do I design a class in Python?
... a defined noun, or some other kind of "primitive" or "atomic" data like a string or a float or something irreducible.
For each action or operation, you have to identify which noun has the responsibility, and which nouns merely participate. It's a question of "mutability". Some objects get update...
Is there a typical state machine implementation pattern?
...ant to drive your FSM, so you could incorporate the action of reading next char into the the macro itself:
#define FSM
#define STATE(x) s_##x : FSMCHR = fgetc(FSMFILE); sn_##x :
#define NEXTSTATE(x) goto s_##x
#define NEXTSTATE_NR(x) goto sn_##x
now you have two types of transitions:...
C++ Dynamic Shared Library on Linux
...ostream>
#include "myclass.h"
using namespace std;
int main(int argc, char **argv)
{
/* on Linux, use "./myclass.so" */
void* handle = dlopen("myclass.so", RTLD_LAZY);
MyClass* (*create)();
void (*destroy)(MyClass*);
create = (MyClass* (*)())dlsym(handle, "create_object");
destroy...