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How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
... else:
return chr(idx + ord('A') - 1) + result
for i in xrange(1, 1024):
print "%4d : %s" % (i, ColIdxToXlName(i))
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Modern way to filter STL container?
...
In C++20, use filter view from the ranges library: (requires #include <ranges>)
// namespace views = std::ranges::views;
vec | views::filter([](int a){ return a % 2 == 0; })
lazily returns the even elements in vec.
(See [range.adaptor.object]/4 and [...
OnNotify函数 ON_NOTIFY消息总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...可以通过pNMHDR或者pLVKeyDow访问通告消息结构体。
ON_NOTIFY_RANGE
如果你需要处理一组控件的同一个WM_NOTIFY消息，你可使用ON_NOTIFY_RANGE而不是ON_NOTIFY。例如，你有一组按钮，想让它们对某一通告消息执行相同的动作。
When you use ON_NO...
How do I loop through a list by twos? [duplicate]
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You can use for in range with a step size of 2:
Python 2
for i in xrange(0,10,2):
print(i)
Python 3
for i in range(0,10,2):
print(i)
Note: Use xrange in Python 2 instead of range because it is more efficient as it generates an iterab...
DateTime2 vs DateTime in SQL Server
... support for globally deployed
applications.
datetime2 has larger date range, a larger default fractional precision, and optional user-specified precision. Also depending on the user-specified precision it may use less storage.
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How to specify a min but no max decimal using the range data annotation attribute?
...
How about something like this:
[Range(0.0, Double.MaxValue, ErrorMessage = "The field {0} must be greater than {1}.")]
That should do what you are looking for and you can avoid using strings.
...
Ruby: How to iterate over a range, but in set increments?
So I'm iterating over a range like so:
4 Answers
4
...
How do you split a list into evenly sized chunks?
...(lst, n):
"""Yield successive n-sized chunks from lst."""
for i in range(0, len(lst), n):
yield lst[i:i + n]
import pprint
pprint.pprint(list(chunks(range(10, 75), 10)))
[[10, 11, 12, 13, 14, 15, 16, 17, 18, 19],
[20, 21, 22, 23, 24, 25, 26, 27, 28, 29],
[30, 31, 32, 33, 34, 35...
Python: Continuing to next iteration in outer loop
...
for ii in range(200):
for jj in range(200, 400):
...block0...
if something:
break
else:
...block1...
Break will break the inner loop, and block1 won't be executed (it will run only if the i...
Advantages of std::for_each over for loop
....begin(), collection.end(), [](Element& e)
{
foo(e);
});
when the range-based for loop syntax is available:
for(Element& e : collection)
{
foo(e);
}
This kind of syntax has been available in Java and C# for some time now, and actually there are way more foreach loops than classica...