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Call int() function on every list element?
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edited May 29 '18 at 16:43
Aran-Fey
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...ferent sizes, a pattern came up. Invariably, transposing a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major.
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inserting characters at the start and end of a string
...you can also create a string with n Ls by using multiplication:
m = 1
n = 2
yourstring = ("L" * m) + yourstring + ("L" * n)
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How to create a drop shadow only on one side of an element?
Is there a way to drop the shadow only on the bottom?. I have a menu with 2 images next to each other. I don't want a right shadow because it overlaps the right image. I don't like to use images for this so is there a way to drop it only on the bottom like:
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How to cast int to enum in C++?
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248
int i = 1;
Test val = static_cast<Test>(i);
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推荐系统算法初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...多口味偏小众的用户无法找到自己感兴趣的内容。
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互联网时代信息量已然处于爆炸状态,若是将所有内容都放在网站首页上用户是无从阅读的,信息的利用率将会十分低下。因此我们需要推荐系统来帮助...
How to remove elements from a generic list while iterating over it?
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27 Answers
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Which is more efficient, a for-each loop, or an iterator?
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268
If you are just wandering over the collection to read all of the values, then there is no diff...
jQuery form serialize - empty string
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216
You have to give the input element a name. E.g.:
<form id="form1" action="/Home/Test1" met...
How can I pass a member function where a free function is expected?
...ion(void (*fptr)(void*, int, int), void* context) {
fptr(context, 17, 42);
}
void non_member(void*, int i0, int i1) {
std::cout << "I don't need any context! i0=" << i0 << " i1=" << i1 << "\n";
}
struct foo {
void member(int i0, int i1) {
std::cout...
