If we combine the left search with the right search, we need to make the lines with shorter height move.
We can simulate the order of the place order. Store them in a matrix and then combine the answer string.
Given a string s, find the length of the longest substring without repeating characters.
Normally, if I want to find whether the key exists in map STL(C++), the first thing come up to my mind is if(map1[key1]). However, this is wrong, because if there is no key equals to key1, map1[key1] will return 0 and if there is a key1 but its value is 0, then it will also return 0; So this method is not feasible.
Sometimes we want to write something that we don't want all the web users to read. And the way we add password at
is no safe. So we can use hexo plugin hexo-blog-encrypt to set password for our post.Get a star function to your blog or webpage so that reader can give feedbacks to your article.
Every time I use git to commit to my repository, I need to type my username and keys. So how can I get rid of it?
I want to add a share function to my blog. So that readers can share my articles easily. I use a plugin Share.js. Even though this project has been not maintained for long, it’s still can be used.
This article records my experience of using the hexo related popular posts plugin. And how to modify the plugin to make it suitable for my theme.
