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Extracting just Month and Year separately from Pandas Datetime column
...ly.. df['mnth_yr'] = df.date_column.dt.to_period('M') as below from @jaknap32
– ihightower
Jun 23 '17 at 6:16
1
...
Why use apparently meaningless do-while and if-else statements in macros?
...in the following code:
void doSomething()
{
int i = 25 ;
MY_MACRO(32) ;
}
Because it would expand as:
void doSomething()
{
int i = 25 ;
int i = 32 + 1 ; f(i) ; ; // was MY_MACRO(32) ;
}
This code won't compile, of course. So, again, the solution is using a scope:
#define MY_MA...
What does it mean for a data structure to be “intrusive”?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Pretty-print C++ STL containers
...
vitautvitaut
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What differences, if any, between C++03 and C++11 can be detected at run-time?
...h) is allowed to be more than 8. As a result, both char and int could have 32 bits, in which case sizeof(int) == 1 (and CHAR_BIT == 32).
– Sjoerd
Jun 25 '11 at 1:08
add a comm...
setTimeout / clearTimeout problems
...
answered Jul 28 '18 at 11:32
Kino BacaltosKino Bacaltos
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How do I print to the debug output window in a Win32 app?
I've got a win32 project that I've loaded into Visual Studio 2005. I'd like to be able to print things to the Visual Studio output window, but I can't for the life of me work out how. I've tried 'printf' and 'cout
...
Convert from List into IEnumerable format
...trov
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MFC OnEraseBkgnd浅析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...吧
HBRUSH CDisplayBmpBackGroundDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
if(nCtlColor == CTLCOLOR_DLG || nCtlColor == CTLCOLOR_BTN || nCtlColor == CTLCOLOR_STATIC)
{
pDC->SetBkMode(TRANSPARENT);
}
return HBRUSH(GetStockObject(HOLLOW_BRUSH));
}
4...
Can you grab or delete between parentheses in vi/vim?
...would do the following:
printf("%3.0f\t%6.1f\n", fahr, ((5.0/9.0) * (fahr-32)));
^
Let's say your cursor is positioned at ^. Enter the following sequence to select the part you are looking for:
v2a)
First v enters Visual mode, then you specify that you want t...