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std::vector performance regression when enabling C++11
...nteresting performance regression in a small C++ snippet, when I enable C++11:
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How to get everything after last slash in a URL?
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Efficiency of Java “Double Brace Initialization”?
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How is this fibonacci-function memoized?
...is asked for again. If we define some list, xs=[0..] and later ask for its 100th element, xs!!99, the 100th slot in the list gets "fleshed out", holding the number 99 now, ready for next access.
That is what that trick, "going-through-a-list", is exploiting. In normal doubly-recursve Fibonacci def...
Java 8 stream reverse order
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For the specific question of generating a reverse IntStream, try something like this:
static In...
Converting a List to a comma separated string
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List<int> list = ...;
string.Join(",", list.Select(n => n.ToString()).ToArray())
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What are the most common font-sizes for H1-H6 tags [closed]
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It would depend on the browser's default stylesheet. You can view an (unofficial) table of CSS2...
how get yesterday and tomorrow datetime in c#
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You can find this info right in the API reference.
var today = DateTime.Today;
var tomorrow =...
VBA读写UTF8文本文件，VBA生成UTF-8无BOM格式的文件 - 更多技术 - 清泛网 -...
...Sub Test() Dim sht As Worksheet, scr, content As String, i, arr_acsp_xz(1 To 8), arr_acsp_xz_data(1 To 8), arr_wemzs(1 To 1 VBA读写UTF8文本文件
Sub Test()
Dim sht As Worksheet, scr, content As String, i, arr_acsp_xz(1 To 8), arr_acsp_xz_data(1 To 8), arr_wemzs(1 To 13), arr_wemzs_...