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(Mac) -bash: __git_ps1: command not found
...rompt will change to "os ". To change "os" to something else, modify "os" string in export PS1 line.
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Repeating characters in VIM insert mode
Is there a way of repeating a character while in Vim's insert mode? For example, say I would like to insert 80 dashes, in something like emacs I would type:
...
Determining 32 vs 64 bit in C++
...
static_assert(sizeof(void*) * CHAR_BIT == 32) is more expressive and technically correct (although I don't know any architecture where bytes have different amount of bits than 8)
– Xeverous
Mar 4 '19 at 14:27
...
Why does Git treat this text file as a binary file?
...ut need of a null (00h) byte for anything other than the nul char (the 'C' string terminator). Thus Git's text definition is that the content (well the first 1k bytes) should not have a null byte when utf-8 encoded. Try stackoverflow.com/questions/2241348/… for a fun read. My original comment ref...
Why don't structs support inheritance?
...Basically, they're supposed to hold simple data and therefore do not have "extra features" such as inheritance. It would probably be technically possible for them to support some limited kind of inheritance (not polymorphism, due to them being on the stack), but I believe it is also a design choice ...
How do I retrieve my MySQL username and password?
....7.*, there is no column in mysql.user called password, use authentication_string instead.
– Adib Aroui
Jul 25 '16 at 19:03
3
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C＋＋模板的特化 - C/C++ - 清泛网 - 专注C/C++及内核技术
... t1, const T t2)
{
return t1 < t2 ? t2 : t1;
}
template <>
const char* mymax(const char* t1,const char* t2)
{
return (strcmp(t1,t2) < 0) ? t2 : t1;
}
但是你不能这么搞：
template <>
bool mymax(const char* t1,const char* t2)
{
return (strcmp(t1,t2) < 0);
}
其实...
efficient circular buffer?
... return(self._data[key])
def __repr__(self):
"""Return string representation"""
return self._data.__repr__() + ' (' + str(len(self._data))+' items)'
[Edited]: Added optional data parameter to allow initialization from existing lists, e.g.:
circularlist(4, [1, 2, 3, 4, ...
What is the difference between an int and an Integer in Java and C#?
... Integer:
Integer i = new Integer(6);
You could call some method on i:
String s = i.toString();//sets s the string representation of i
Whereas with an int:
int i = 6;
You cannot call any methods on it, because it is simply a primitive. So:
String s = i.toString();//will not work!!!
would...
Why does ContentResolver.requestSync not trigger a sync?
...sync contacts using a com.google style account.
All your contentAuthority strings have to all match, and match with what you're syncing -- This should be a string you define, if you're creating your own database, or you should use some existing device strings if you're syncing known data types (lik...