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How to redirect the output of the time command to a file in Linux?
...
271
Try
{ time sleep 1 ; } 2> time.txt
which combines the STDERR of "time" and your command ...
How to remove specific value from array using jQuery
I have an array that looks like this: var y = [1, 2, 3];
20 Answers
20
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Get first day of week in SQL Server
... some sensible logic built in to round up or down:
SELECT DATEDIFF(YEAR, '2010-01-01', '2011-12-31');
SELECT DATEDIFF(YEAR, '2010-12-31', '2011-01-01');
To answer how to get a Sunday:
If you want a Sunday, then pick a base date that's not a Monday but rather a Sunday. For example:
DECLARE @dt D...
Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
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Not answering the specifics of your question so much as the title: the 2006 Technical Report on C++ Performance has an interesting section on IOStreams (p.68). Most relevant to your question is in Section 6.1.2 ("Execution Speed"):
Since certain aspects of IOStreams processing are
distribu...
How to sort an array by a date property
...te) - new Date(a.date);
});
More Generic Answer
array.sort(function(o1,o2){
if (sort_o1_before_o2) return -1;
else if(sort_o1_after_o2) return 1;
else return 0;
});
Or more tersely:
array.sort(function(o1,o2){
return sort_o1_before_o2 ? -1 : sort_o1_after_o2 ?...
byte + byte = int… why?
...
229
The third line of your code snippet:
byte z = x + y;
actually means
byte z = (int) x + (in...
How do I override nested NPM dependency versions?
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243
You can use npm shrinkwrap functionality, in order to override any dependency or sub-dependenc...
数据结构、算法复杂度一览表 - 更多技术 - 清泛网 - 专注IT技能提升
...数组作为优先队列)
图G(V,E), V为顶点集, E为边集
O(|V|^2)
O(|V|^2)
O(|V|)
Bellman-Ford最短路径算法
图G(V,E), V为顶点集, E为边集
O(|V||E|)
O(|V||E|)
O(|V|)
排序算法(来源)
算法
数据结构
时间复杂度
...
数据结构、算法复杂度一览表 - 更多技术 - 清泛网 - 专注IT技能提升
...数组作为优先队列)
图G(V,E), V为顶点集, E为边集
O(|V|^2)
O(|V|^2)
O(|V|)
Bellman-Ford最短路径算法
图G(V,E), V为顶点集, E为边集
O(|V||E|)
O(|V||E|)
O(|V|)
排序算法(来源)
算法
数据结构
时间复杂度
...
数据结构、算法复杂度一览表 - 更多技术 - 清泛网 - 专注IT技能提升
...数组作为优先队列)
图G(V,E), V为顶点集, E为边集
O(|V|^2)
O(|V|^2)
O(|V|)
Bellman-Ford最短路径算法
图G(V,E), V为顶点集, E为边集
O(|V||E|)
O(|V||E|)
O(|V|)
排序算法(来源)
算法
数据结构
时间复杂度
...