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Why do you have to call .items() when iterating over a dictionary in Python?
...f least astonishment, in would also have to take such a tuple as its left-hand operand in the containment check.
How useful would that be? Pretty useless indeed, basically making if (key, value) in C a synonym for if C.get(key) == value -- which is a check I believe I may have performed, or wanted...
How to delete last character in a string in C#?
Building a string for post request in the following way,
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How can I list all foreign keys referencing a given table in SQL Server?
...highly referenced table in a SQL Server database. How can I get a list of all the foreign key constraints I will need to remove in order to drop the table?
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
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There is no difference at all.
Second representation makes query more readable and makes it look very clear as to which join corresponds to which condition.
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Running python script inside ipython
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best answer for simplicity and conciseness
– Evhz
Feb 14 at 13:32
Synt...
Setting variable to NULL after free
... int *nPtr=NULL;. Now, I would agree that this would be redundant, with a malloc following right in the next line. However, if there is code between the declaration and the first initialization, somebody might start using the variable even though it has no value yet. If you null-initialize, you get ...
Restore the state of std::cout after manipulating it
...//Your code here...
cout.flags( f );
You can put these at the beginning and end of your function, or check out this answer on how to use this with RAII.
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How do I 'overwrite', rather than 'merge', a branch on another branch in Git?
...(git commit-tree -m "Throw away branch 'A'" -p A -p B B^{tree})
This basically acts like the (non-existent) merge -s theirs strategy.
You can find the resulting history in the plumbing branch of the demo repository
Not very readable and not as easy to remember compared to the -s ours switch, but it...
_csv.Error: field larger than field limit (131072)
... csv
csv.field_size_limit(sys.maxsize)
sys.maxsize works for Python 2.x and 3.x. sys.maxint would only work with Python 2.x (SO: what-is-sys-maxint-in-python-3)
Update
As Geoff pointed out, the code above might result in the following error: OverflowError: Python int too large to convert to C l...
MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...架类的头文件中定义一个CDockablePane的数组
CDockablePane m_Panes[5];//一个CDockablePane的数组
2. CFrameWndEx:: OnCreate() 在Create函数中自动生成了以下代码，对MFC比较熟悉的这里就不讲了：
CMFCPopupMenu::SetForceMenuFocus(FALSE);
InitUserToolbars(N...