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String formatting in Python 3
...format standard, but lets one easily do things like:
>>> width = 10
>>> precision = 4
>>> value = decimal.Decimal('12.34567')
>>> f'result: {value:{width}.{precision}}'
'result: 12.35'
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Rails raw SQL example
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HuyHuy
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How to completely remove an issue from GitHub?
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answered Jun 21 '10 at 0:59
Mauricio SchefferMauricio Scheffer
95.2k2020 gold badges185185 silver badges272272 bronze badges
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How to make the python interpreter correctly handle non-ASCII characters in string operations?
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edited Dec 6 '11 at 10:03
answered Aug 27 '09 at 16:57
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How to pass arguments to a Button command in Tkinter?
...:43
nbro
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answered Aug 3 '11 at 3:07
VooVoo
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Check if a string matches a regex in Bash script
...r 01...09 either 01..09 end of line
# start of line or 10,11,12 or 10..29
# or 30, 31
That is, you can define a regex in Bash matching the format you want. This way you can do:
[[ $date =~ ^regex$ ]] && echo "matched" ...
Python circular importing?
...jpmc's answer that you should refactor the module organization is probably 100% correct. Either move class B into module a, or move class C into module b so you can break the cycle. It's also worth noting that even if only one direction of the circle has top-level code involved (e.g. if class C didn...
Upgrading PHP in XAMPP for Windows?
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answered Jan 28 '10 at 13:39
s-sharmas-sharma
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AfxGetMainWnd函数解惑 - C/C++ - 清泛网 - 专注C/C++及内核技术
...时也会失灵。不信， 你测试一下下面的代码：
unsigned __stdcall SecondThreadFunc( void* pArguments )
{
CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
if (NULL!=pMainWnd)
{
CView *pView = pMainWnd->GetActiveView();
if (NULL...
QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别 - 更多技术 - 清泛...
QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别通过实例说明PHP中QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别。实例：
1、http://localhost/aaa/ （打开aaa中的index.php）
$_SERVER['QUERY_STRING'] = "";
$_SERVER['REQUEST_URI'] = "/aaa/";
$_SERVER['SCRIPT_NAME...