In my application I have generated a number of values (three columns, of type int, str and datetime, see example below) and these values are stored in a flat file as comma-separated strings. Furthermo
开发者_运维问答 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form.
signed long long value = -2147483648; cout << ((signed long long)valu开发者_开发百科e); outputs 2147483648 (no minus sign), why?signed long long value = -2147483648;
suppose I have this struct (or class, my question applies to both): struct builtin { int a; int b; builtin() : a(), b(0) { }
Can someone e开发者_StackOverflow中文版xplain the following behaviour: class derivedset1(frozenset):
How do I default-initialize a local variable of primitive type in C++? For example if a have a typedef:
a=\'aaaa\' print isinstance(a, basestring)#true print isinsta开发者_开发百科nce(a, str)#true In Python versions prior to 3.0 there are two kinds of strings \"plain strings\" and \"unicode strings\". P
I created an application for Windows in C++ using QT. If I want to por开发者_运维百科t it to Linux or Mac OS, will sizeof(int) or sizeof(long) change? In other words, do types in QT applications for d