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How to change the default collation of a table?
creates a table with the default collation latin1_general_ci ;
4 Answers
4
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What's the best way to iterate over two or more containers simultaneously
...ny advantage of your indices implementation in comparison to boost counting_range? One could simply use boost::counting_range(size_t(0), containerA.size())
– SebastianK
Nov 6 '14 at 13:11
...
xtreme toolkit pro——CXTPReportControl控件教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...自定义控件，将该控件的class属性改为XTPReport，ID改为;IDC_REPORTCTRL_LIST。
（2）添加一个自定义变量：CXTPReportControl m_wndReportCtrl;
（3）将控件和变量联系起来，在对话框初始化函数OnInitDialog()中添加如下代码：
m_wndReportCtrlList.Sub...
What happens to a detached thread when main() exits?
...), and that's well-defined, as long as it touches neither (automatic|thread_local) variables of other threads nor static objects.
This appears to be allowed to allow thread managers as static objects (note in [basic.start.term]/4 says as much, thanks to @dyp for the pointer).
Problems arise when t...
Django migration strategy for renaming a model and relationship fields
...ration(migrations.Migration):
dependencies = [
('myapp', '0001_initial'),
]
operations = [
migrations.RenameModel('Foo', 'Bar'),
migrations.RenameField('AnotherModel', 'foo', 'bar'),
migrations.RenameField('YetAnotherModel', 'foo', 'bar')
]
You ma...
Programmatically fire button click event?
...
Yes,
[_button setHighlighted:YES];
[_button sendActionsForControlEvents:UIControlEventTouchUpInside];
[_button setHighlighted:NO];
But the problem here is you will not be able to see those event because its too fast . so what you...
WinDbg基础资料（日本語） - IT优秀资料 - 清泛网 - 专注C/C++及内核技术
... Commands
参考資料:
http://www.windbg.info/download/doc/pdf/WinDbg_A_to_Z_color_JP.pdf
①PDB設定
.sympath
.sympath SRV*c:\symbols*http://msdl.microsoft.com/download/symbols;c:\Symbols\mydll
環境変数:
_NT_SYMBOL_PATH
SRV*C:\Symbols*http://msdl.microsoft.com/download/symbol...
Display names of all constraints for a table in Oracle SQL
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You need to query the data dictionary, specifically the USER_CONS_COLUMNS view to see the table columns and corresponding constraints:
SELECT *
FROM user_cons_columns
WHERE table_name = '<your table name>';
FYI, unless you specifically created your table with a lower case ...
Order data frame rows according to vector with specific order
...
I prefer to use ***_join in dplyr whenever I need to match data. One possible try for this
left_join(data.frame(name=target),df,by="name")
Note that the input for ***_join require tbls or data.frame
...
How to write a multidimensional array to a text file?
...200).reshape((4,5,10))
with open('test.txt', 'w') as outfile:
for slice_2d in x:
np.savetxt(outfile, slice_2d)
However, our goal is to be clearly human readable, while still being easily read back in with numpy.loadtxt. Therefore, we can be a bit more verbose, and differentiate the slic...